Marsh, Helene D.: SEE ALSO Aragones & Marsh, 2000; Bryden et al., 1978, 1998; Corkeron et al., 1997; Denton et al., 1980; Elliott et al., 1979; Eros et al., 2000; Heinsohn et al.; Hernandez et al., 1995; Hudson & Marsh, 1986; Lanyon et al., 1989; Lanyon & Marsh, 1995; Leatherwood & Reeves, 1989; McCabe et al., 1978; Murray et al., 1977; Nishiwaki & Marsh, 1985; Ponte et al., 1994; Preen et al., 1989, 1997; Preen & Marsh, 1995; Rowlatt & Marsh, 1985; Smith & Marsh, 1990; Spain et al.; Tikel et al., 1996; Appendix 1, _Dugong Newsletter_.
( detail)
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Heinsohn, George Edwin; Marsh, Helene D.; Spain, Alister V.
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1976 |
Extreme risk of mortality to dugongs (Mammalia: Sirenia) from netting operations.
Austral. Jour. Wildl. Res.
3(2): 117-121. 1 tab. 1 fig.
–Account of techniques used in catching Australian dugongs for research, behavior of dugongs in nets, and effects on dugong populations of netting operations in Queensland and Kenya.
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Spain, Alister V.; Heinsohn, George Edwin; Marsh, Helene D.; Correll, R. L.
(detail)
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1976 |
Sexual dimorphism and other sources of variation in a sample of dugong skulls from North Queensland (Mammalia: Sirenia).
Austral. Jour. Zool.
24(4): 491-497. 3 tabs. 1 fig.
–Analysis of 26 variables in 32 adult skulls found sexual dimorphism principally in the snout region; also found were lesser amounts of allometric variation, again mainly in the anterior part of the skull.
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Heinsohn, George Edwin; Marsh, Helene D.
(detail)
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1977 |
Sirens of tropical Australia.
Austral. Nat. Hist.
19(4): 106-111. 8 figs. Oct.-Dec. 1977.
–Pop. acc. of dugongs and dugong research in Australia, mainly covering the same material presented by Heinsohn, Wake, Marsh & Spain, 1977.
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Heinsohn, George Edwin; Wake, Judith Ann; Marsh, Helene D.; Spain, Alister V.
(detail)
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1977 |
The dugong (Dugong dugon (Müller)) in the seagrass system.
Aquaculture
12(3): 235-248. 4 figs.
–Abstr.: Heinsohn (1981b). Review, mainly from published literature, of dugong feeding habits, movements, trophic relations, exploitation, and conservation problems. Suggests dugongs should be studied for possible sustained-yield meat production.
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Marsh, Helene D.
(detail)
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1977 |
The alimentary canal of the dugong. [Abstr.]
Bull. Austral. Mamm. Soc.
4(1): 32. Sept. 1977 (read May 1977).
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Marsh, Helene D.; Heinsohn, George Edwin; Spain, Alister V.
(detail)
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1977 |
The stomach and duodenal diverticula of the dugong (Dugong dugon). In: R. J. Harrison (ed.), Functional anatomy of marine mammals.
London, Academic Press:
Vol. 3: 271-295. 1 tab. 10 figs.
–Describes the gross anatomy, histology, and histochemistry of the stomach and diverticula and discusses their functional and ecological implications. Reports occurrences of the parasites Paradujardinia halichoris and Lankatrema sp.
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Murray, R. M.; Marsh, Helene D.; Heinsohn, George Edwin; Spain, Alister V.
(detail)
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1977 |
The role of the midgut caecum and large intestine in the digestion of sea grasses by the dugong (Mammalia: Sirenia).
Compar. Biochem. Physiol.
56A: 7-10. 2 tabs.
–Reports on the analysis of gut contents for plant species, apparent digestibilities, and volatile fatty acids; the blood was analyzed for phosphorus and urea. Digestion was found to occur principally in the hindgut.
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Marsh, Helene D.
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1978 |
Age determination in the dugong Dugong dugon, using dentinal growth layers. [Abstr.]
Bull. Austral. Mamm. Soc.
5(1): 37-38. Read May 1978.
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Marsh, Helene D.; Spain, Alister V.; Heinsohn, George Edwin
(detail)
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1978 |
Minireview: physiology of the dugong.
Compar. Biochem. Physiol., Part A,
61(2): 159-168. 1 tab. 3 figs.
–Briefly summarizes published literature and some unpublished data on dugong anatomy, feeding, digestion, fat composition, excretion, reproduction, respiration, circulation, nervous and endocrine systems, social behavior, and vocalizations.
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McCabe, M.; Hamilton, R.; Marsh, Helene D.
(detail)
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1978 |
Some studies on the oxygen affinity of haemoglobin from the dugong.
Compar. Biochem. Physiol., Part A,
61(1): 19-22. 2 tabs. 3 figs.
–Reports that the oxygen-hemoglobin equilibrium curves did not show the pronounced sigmoidality seen in humans; the oxygen affinities were rather high; and the Bohr effect was not very marked. Significant subunit dissociation of dugong hemoglobin may occur at low concentrations.
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Marsh, Helene D.; Channells, Peter W.; Morrissey, Janice
(detail)
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1979 |
A bibliography of the Recent Sirenia.... Prepared for the Dugong Seminar Workshop held at James Cook University, May 8-13th 1979.
Townsville (Australia), James Cook Univ.:
i + 163.
–Lists 1,746 titles alphabetically by author; no index. Some entries are annotated. The preface states that "This bibliography was prepared as a background paper for the Dugong Workshop .... It was prepared in a limited time and without access to a major library. Accordingly, we were forced to rely on previous published and unpublished bibliographies of the recent Sirenia." This was the most comprehensive sirenian bibliography compiled prior to the present one, and it contains many paleontological and desmostylian as well as neontological references.
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Denton, G. R. W.; Marsh, Helene D.; Heinsohn, George Edwin; Burdon-Jones, C.
(detail)
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1980 |
The unusual metal status of the dugong Dugong dugon.
Marine Biology
57(3): 201-219. 6 tabs. 5 figs.
–Reports very high levels of iron and zinc found in dugong livers; levels of copper, cadmium, cobalt, and silver were also high in livers, and cadmium in kidneys; manganese concentrations were comparable to those in other marine mammals; nickel, lead, and chromium were not detected in any tissue. Concentrations of several metals varied with age of the dugongs. Seagrasses were probably the source of the iron, but anthropogenic pollution was not implicated.
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Marsh, Helene D.
(detail)
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1980 |
Age determination of the dugong (Dugong dugon (Müller)) in northern Australia and its biological implications. In: W. F. Perrin & A. C. Myrick, Jr. (eds.), Age determination of toothed whales and sirenians.
Repts. Internatl. Whaling Comm., Special Issue
3: 181-201. 6 tabs. 19 figs.
–Describes in detail the morphology and internal structure of the incisors and cheek teeth, and correlates their growth layers, size, and eruption with season of death, body length, puberty, and closure of cranial sutures. Growth layers were also observed in the tympanic bones and ribs, but not the humerus or malleus. Concludes that the tusks are best for age determination, that one growth layer group is deposited in them per year, and that marked accessory layering probably represents individual rather than latitudinal variation. Life span is in excess of 50 years. Puberty in both sexes occurs at 9 or more years of age in the Townsville population, but several years later in the Mornington Island population. The tusks of males erupt at about 12 and 14+ years in these two populations, respectively. An age-length growth curve for both sexes, based on number of dentinal growth layer groups, is presented. Techniques used in aging dugong teeth are also described on pp. 41-45 of this volume.
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Marsh, Helene D.; Glover, Timothy D.
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1981 |
A preliminary description of the reproductive organs of the male dugong and suggested methods of specimen collection. In: H. Marsh (ed.), The dugong. Proceedings of a seminar/workshop held at James Cook University of North Queensland 8-13 May 1979 (q.v.).
[Townsville (Australia)], James Cook Univ. (vii + 400):
261-273. 4 figs.
–Abstr.: Proc. Soc. Study Fert. Camb. 1979: 16. Describes the gross anatomy of the male reproductive tract, and recommends procedures for tissue and blood collection and preservation. Also suggests topics and approaches for future study.
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Marsh, Helene D.; Heinsohn, George Edwin
(detail)
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1981 |
Report of the aerial survey workshop. In: H. Marsh (ed.), The dugong. Proceedings of a seminar/workshop held at James Cook University of North Queensland 8-13 May 1979 (q.v.).
[Townsville (Australia)], James Cook Univ. (vii + 400):
345-353. 2 tabs. 1 fig.
–Describes a workshop on aerial survey techniques, consisting of flights over the Cleveland Bay area (Queensland). Dugong sightings by different teams of observers are tabulated and compared, showing repeatability of the results.
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Marsh, Helene D.; Kasuya, Toshio
(detail)
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1981 |
Report of the age determination workshop. In: H. Marsh (ed.), The dugong. Proceedings of a seminar/workshop held at James Cook University of North Queensland 8-13 May 1979 (q.v.).
[Townsville (Australia)], James Cook Univ. (vii + 400):
354-368. 3 tabs. 1 fig.
–Describes a workshop on the preparation and reading of growth layers in dugong tusks, with tabulation and comparison of the results obtained by experienced and inexperienced readers. Tusks from lower latitudes tended to be harder to score due to their numerous accessory layers.
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Marsh, Helene D.; Gardner, Blair R.; Heinsohn, George Edwin
(detail)
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1981 |
Present-day hunting and distribution of dugongs in the Wellesley Islands (Queensland): implications for conservation.
Biol. Conserv.
19(4): 255-267. 2 tabs. 4 figs. Apr. 1981.
–Describes present hunting techniques using harpoons and outboard motors, and the results of aerial surveys of the Wellesley Islands area. Peak hunting activity coincides with seasonal movements of dugongs; 374 animals were counted, of which about 40 are taken each year. Hunting is now easier and less dangerous, but some sociological factors discourage it, and some hunters try to avoid taking pregnant females.
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Marsh, Helene D. (ed.)
(detail)
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1981a |
The dugong. Proceedings of a seminar/workshop held at James Cook University of North Queensland 8-13 May 1979.
[Townsville, Australia], James Cook Univ.:
vii + 400. Illus.
–The "second ed." of this work (1984) is essentially identical in content, but is typeset rather than reproduced from typescript and has different pagination (viii + 240), and the paper by Blair has been updated with newly published names of parasites. The original pagination is used here for indexing. Contains 22 seminar papers and abstracts, listed in this bibliography by their authors (1-203); two sets of conservation recommendations (205-216); 10 background papers, listed here by author (217-343); 2 workshop reports, listed here by author (345-368); and, as appendices, sample data sheets for carcass salvage and aerial surveys used by the James Cook University and Papua New Guinea dugong projects (369-398) and a list of participants in the conference (399-400). See also Marsh, Channells, & Morrissey (1979).
The seminar papers and abstracts are by Bertram, Nishiwaki et al., Hendrokusumo et al., Brownell et al., Jones, Heinsohn (2), Elliott, Prince et al., Marsh (2), Anderson, Chase, Hudson, Spain & Marsh, Murray, Denton, Miyazaki et al., Campbell & Ladds, Yamasaki et al., Kamiya & Yamasaki, and Kataoka & Asano. The background papers are by Heinsohn (2), Denton, Rainey, Marsh (2), Marsh & Glover, Blair, Spain & Marsh, and Channells & Morrissey. The workshop reports are by Marsh & Heinsohn and Marsh & Kasuya.
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Spain, Alister V.; Marsh, Helene D.
(detail)
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1981a |
Geographic variation and sexual dimorphism in the skulls of two Australian populations of Dugong dugon (Müller) (Mammalia: Sirenia). In: H. Marsh (ed.), The dugong. Proceedings of a seminar/workshop held at James Cook University of North Queensland 8-13 May 1979 (q.v.).
[Townsville (Australia)], James Cook Univ. (vii + 400):
143-161. 2 tabs.
–Compares adult skulls from the Townsville and Wellesley Island areas, Queensland, on the basis of 74 variables. Sexual dimorphism was found in a wider range of characters than previously known, and geographic differences were also found.
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Marsh, Helene D.
(detail)
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1981b |
The life history parameters of the dugong and their implications for conservation. [Abstr.] In: H. Marsh (ed.), The dugong. Proceedings of a seminar/workshop held at James Cook University of North Queensland 8-13 May 1979 (q.v.).
[Townsville (Australia)], James Cook Univ. (vii + 400):
88-90.
–Abstr. of Marsh (1980).
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Spain, Alister V.; Marsh, Helene D.
(detail)
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1981b |
Dugong skull measurements. In: H. Marsh (ed.), The dugong. Proceedings of a seminar/workshop held at James Cook University of North Queensland 8-13 May 1979 (q.v.).
[Townsville (Australia)], James Cook Univ. (vii + 400):
286-301. 1 tab. 5 figs.
–Describes in detail a set of 79 standard cranial measurements, noting which are important in studies of allometry, sexual dimorphism, and geographic variation within Queensland.
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Marsh, Helene D.
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1981c |
The food of the dugong. [Abstr.] In: H. Marsh (ed.), The dugong. Proceedings of a seminar/workshop held at James Cook University of North Queensland 8-13 May 1979 (q.v.).
[Townsville (Australia)], James Cook Univ. (vii + 400):
164-165.
–Abstr. of Marsh, Channells, Heinsohn & Morrissey (1982).
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Marsh, Helene D.
(detail)
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1981d |
Preliminary description of the reproductive organs of the female dugong and suggested methods of specimen collection as part of a carcass salvage program. In: H. Marsh (ed.), The dugong. Proceedings of a seminar/workshop held at James Cook University of North Queensland 8-13 May 1979 (q.v.).
[Townsville (Australia)], James Cook Univ. (vii + 400):
248-259. 1 tab. 6 figs.
–Describes the gross anatomy of the female reproductive tract, discusses the evidences of ovulation and pregnancy, and recommends procedures for specimen collection and preservation.
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Marsh, Helene D.
(detail)
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1981e |
Techniques used for determining age in dugongs based on the examination of layers in hard tissues. In: H. Marsh (ed.), The dugong. Proceedings of a seminar/workshop held at James Cook University of North Queensland 8-13 May 1979 (q.v.).
[Townsville (Australia)], James Cook Univ. (vii + 400):
311-343. 1 fig.
–Describes in detail techniques for collecting, processing, sectioning, staining, and examining dugong teeth. Also discusses layering in bones and the use of aspartic acid racemization in teeth and eyelenses. Includes a glossary (335-339).
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Marsh, Helene D.; Heinsohn, George Edwin
(detail)
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1982 |
Conserving the dugong: Australia's responsibility.
Bull. Austral. Littoral Soc.
5(5): 1-5. 2 figs. Nov. 1982.
–Text reprinted: Marsh & Heinsohn (1983). Gen. acc. of dugong biology, threats to dugong survival, and conservation needs in Australia and Papua New Guinea.
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Marsh, Helene D.; Channells, Peter W.; Heinsohn, George Edwin; Morrissey, Janice
(detail)
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1982 |
Analysis of stomach contents of dugongs from Queensland.
Austral. Wildl. Res.
9(1): 55-67. 3 tabs. 4 figs.
–Abstr.: Marsh (1981c). Stomach contents of 96 dugongs confirmed that the diet consists almost entirely of seagrasses of all available genera, and probably reflects the generic composition of the beds where the animals were captured. Rhizomes were present in all stomachs, including that of a neonatal calf. Non-epiphytic algae were found in 51% of stomachs, but in small amounts. Also discusses the effects of cyclones on dugong feeding areas and diet, and the dietary importance of seagrass rhizomes vs. leaves and stems.
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Marsh, Helene D.
(detail)
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1983 |
Conserving the dugong (cowfish) in Vanuatu.
Naika, Jour. Vanuatu Nat. Sci. Soc.
No. 9: 1-5. 1 fig. Mar. 1983.
–French & Pidgin summs. Gen. acc. of dugong biology, with some comments on dugongs in Vanuatu and recommendations for their protection.
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Marsh, Helene D.; Anderson, Paul K.
(detail)
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1983 |
Probable susceptibility of dugongs to capture stress.
Biol. Conserv.
25(1): 1-3. Jan. 1983.
–Reports an elevated blood serum potassium level in a dugong chased by a speedboat and harpooned; recommends caution in research and management actions that may result in stress to dugongs.
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Heinsohn, George Edwin; Marsh, Helene D.
(detail)
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1984 |
Sirens of northern Australia: the dugongs. In: M. Archer & G. Clayton (eds.), Vertebrate zoogeography and evolution in Australasia (animals in space and time).
Carlisle (Western Australia), Hesperian Press (1203 pp.):
1003-1010. 13 figs.
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Marsh, Helene D.; Eisentraut, M.
(detail)
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1984 |
Die Gaumenfalten des Dugong.
Zs. Säugetierk.
49(5): 314-315. 1 fig.
–Illustrates and briefly describes the rather reduced pattern of palatal ridges in a dugong.
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Marsh, Helene D.; Heinsohn, George Edwin; Channells, Peter W.
(detail)
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1984 |
Changes in the ovaries and uterus of the dugong, Dugong dugon (Sirenia: Dugongidae), with age and reproductive activity.
Austral. Jour. Zool.
32(6): 743-766. 4 tabs. 13 figs.
–Gross and histological studies of 49 female reproductive tracts showed extreme flattening of the ovaries, a high frequency of sterile cycles, low fecundity, greater activity of the right ovary than the left, and the presence of ovarian cysts and parasites. The dugong appears to be polyovular and polyestrous. Placental scars are considered the best index to parity. Similarities of reproductive biology between dugongs and elephants are pointed out.
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Marsh, Helene D.; Heinsohn, George Edwin; Glover, Timothy D.
(detail)
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1984 |
Changes in the male reproductive organs of the dugong, Dugong dugon (Sirenia: Dugondidae [sic]) with age and reproductive activity.
Austral. Jour. Zool.
32(6): 721-742. 5 tabs. 12 figs.
–Gross and histological studies of 59 male reproductive tracts showed wide variation in testicular activity; many males in a population at any given time seem not to be producing sperm. Differences from and resemblances to other "paenungulates" and other mammals are discussed.
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Marsh, Helene D.; Heinsohn, George Edwin; Marsh, Lachlan M.
(detail)
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1984 |
Breeding cycle, life history and population dynamics of the dugong, Dugong dugon (Sirenia: Dugongidae).
Austral. Jour. Zool.
32(6): 767-788. 5 tabs. 3 figs.
–Reports that fertility is discontinuous in both males and females; calving is diffusely seasonal; neonates are 1.0-1.3 m long; sexual maturity is attained at 2.2-2.5 m and at least 9-10 years; gestation lasts about 1 year and lactation at least 1.5 years; the sex ratio is 1:1; the calving interval is 3-7 years; mortality is more important than the age of maturity in influencing population dynamics; estrus can occur during lactation; the low nutritive value of seagrasses may explain the discontinuous fertility; and the delay in maturity may be density-dependent. Gives original accounts of three births, one shark attack, and one case of males fighting with their tusks.
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Marsh, Helene D.
(detail)
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1984a |
How Borroloola "May-Day" launched air rescue for dugongs and turtles.
Habitat Australia
12(4): 2-5. 4 figs. Aug. 1984.
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Marsh, Helene D.
(detail)
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1984c |
Stranded!
Simply Living
2(5): 106-107. 6 figs.
–Pop. acc. of rescuing dugongs and turtles stranded by Cyclone Kathy in northern Australia.
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Marsh, Helene D.
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1984d |
Marine mammals: gargantuan yet graceful. In: The Readers' Digest book of the Great Barrier Reef.
Sydney, Readers' Digest:
298-303. 10 figs.
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Nishiwaki, Masaharu; Marsh, Helene D.
(detail)
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1985 |
Dugong, Dugong dugon (Müller, 1776). In: S. H. Ridgway & R. J. Harrison (eds.), Handbook of marine mammals. Vol. 3.
London, Academic Press:
1-31. 1 tab. 10 figs.
–Rev.: G.B. Rathbun, Mar. Mamm. Sci. 2(3): 236-237, Jul. 1986.
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Rowlatt, Ursula; Marsh, Helene D.
(detail)
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1985 |
The heart of the dugong (Dugong dugon) and the West Indian manatee (Trichechus manatus) (Sirenia).
Jour. Morph.
186(1): 95-106. 6 figs.
–Describes the gross anatomy of the heart and great vessels and their situation in the thorax. Most of the description is intended to apply to both species but is apparently based mainly on the dugong. Some differences between dugong and manatee hearts are explicitly pointed out and interpreted as consistent with greater stamina in the dugong; but otherwise the authors suggest only that "a morphologically unusual heart may be expected in a morphologically unusual thorax."
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Hudson, Brydget E. T.; Marsh, Helene D.
(detail)
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1986 |
Present and future value of data concerning the Torres Strait area accumulated by the Australian Coastal Surveillance Centre. In: A. K. Haines, G. C. Williams, & D. Coates (eds.), Torres Strait Fisheries Seminar, Port Moresby, 11-14 February 1985.
Canberra, Austral. Govt. Publ. Serv. (vii + 344):
316-334. 6 tabs. 7 figs.
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Marsh, Helene D.; Freeland, W. J.; Limpus, Colin J.; Reed, P. C.
(detail)
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1986 |
The stranding of dugongs and sea turtles resulting from Cyclone Kathy, March 1984: a report on the rescue effort and the biological data obtained.
Conservation Commission of the Northern Territory (Darwin, Australia), Tech. Rept.
No. 25: iv + 60. 8 tabs. 24 figs. May 1986.
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Marsh, Helene D.
(detail)
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1986a |
The status of the dugong in Torres Strait. In: A. K. Haines, G. C. Williams & D. Coates (eds.), Torres Strait Fisheries Seminar, Port Moresby, 11-14 February 1985.
Canberra, Austral. Govt. Publ. Serv. (vii + 344):
53-76. 8 tabs. 4 figs.
–On the basis of an aerial survey, available life-history data, and available catch statistics, a population model is formulated that indicates that the Torres Strait dugong population has been seriously overexploited in the recent past, is insufficient to support the present catch level, and is in danger of extermination.
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Marsh, Helene D.
(detail)
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1986b |
'Dugong is Number One Tucker.'
Oceanus
29(2): 102. 1 fig. Summer 1986.
–See also B.E.T. Hudson (1986).
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Marsh, Helene D.
(detail)
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1986c |
Dugong life history: implications for management of Australian populations. In: S. Burgin (ed.), Endangered species: social, scientific, economic and legal aspects in Australia and the South Pacific. Proceedings of a conference held at the University of Sydney, May 11 and 12, 1984.
Sydney, Total Environment Centre (iv + 231):
163-187. 5 tabs.
–Abstr.: Austral. Mar. Science Assoc. Bull. 79: 26-27, 1982.
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Marsh, Helene D.
(detail)
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1986d |
Research on dugongs and other marine mammals by James Cook University of North Queensland. In: P. D. Shaughnessy (ed.), Report of CSIRO Marine Mammal Workshop.
CSIRO Tech. Memo.
No. 26: 42-43. Mar. 1986.
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Marsh, Helene D.
(detail)
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1988a |
An ecological basis for dugong conservation in Australia. In: M. L. Augee (ed.), Marine mammals of Australasia: field biology and captive management.
Sydney, Roy. Zool. Soc. New South Wales (vii + 140):
9-21. 2 tabs. 3 figs. Mar. 1988.
–Gen. acc. of dugong biology, ecology, and status in Australia, with preliminary data from a radiotracking study and dugong population estimates for several parts of the northern coast.
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Marsh, Helene D.
(detail)
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1988b |
Dugong research: current status and opportunities. In: A. J. Dartnall (ed.), Australian tropical marine science and technology: current status and opportunities.
[Canberra], Austral. Marine Sciences & Technologies Committee, Austral. Inst. Marine Science, Dept. of Science, & Great Barrier Reef Marine Park Authority (1-260):
128-130.
–Short summary of the types and results of dugong research being conducted in Australia.
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Marsh, Helene D.
(detail)
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1988c |
Dugongs of the southeast coast.
Whalewatcher
22(4): 8-10. Cover illus. + 3 figs. Winter 1988.
–Detailed gen. acc. of dugongs in Australia.
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Marsh, Helene D.
(detail)
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1988d |
The dugong problem. In: F. Gray & L. Zann (eds.), Traditional knowledge of the marine environment in northern Australia. Proceedings of a workshop held in Townsville, Australia, 29 and 30 July 1985.
Great Barrier Reef Marine Park Authority Workshop Ser.
No. 8: 120-131.
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Marsh, Helene D.
(detail)
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1988e |
The importance of marine parks for the management of dugongs in Australian waters.
Proc. Symp. Endangered Marine Animals & Marine Parks
(Cochin, India, Jan. 12-16, 1985)
1: 495-502. 1 fig. Oct. 1988.
–Reviews dugong life history, causes of mortality, and the role of marine parks and other conservation measures needed for dugong protection.
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Lanyon, Janet M.; Limpus, Colin J.; Marsh, Helene D.
(detail)
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1989 |
Dugongs and turtles: grazers in the seagrass system. In: A. W. D. Larkum, A. J. McComb & S. A. Shepherd (eds.), Biology of seagrasses: a treatise on the biology of seagrasses with special reference to the Australian region.
New York, Elsevier Science Publ. Co., Inc. (885 pp.):
610-634. 1 tab. 5 figs.
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Preen, Anthony R.; Marsh, Helene D.; Heinsohn, George Edwin
(detail)
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1989 |
Recommendations for the conservation and management of dugong in the Arabian region.
MEPA Coastal & Marine Management Series
(Meteorological & Environmental Protection Administration, Saudi Arabia),
Rept. No. 10, Vol. 2: iv + 43. 3 figs. 4 maps. Jan. 1989.
–Vol. 1: Preen (1989a). Excerpts reprinted in B. Heneman, 1991, The Gulf War oil spills: The ICBP survey of the Saudi Arabian Gulf coast, March, 1991. A report to the International Council for Bird Preservation and the National Commission on Wildlife Conservation and Development, Kingdom of Saudi Arabia. Bolinas (Calif.), publ. by the author (v + 21 + 111 pp.): Annex 12, pp. 1-8.
Gives a summary and timetable for conservation actions proposed (1-3), discusses the international significance of dugongs in the region and the threats they face (5-6), presents the recommendations in detail (7-15), describes each of 12 areas recommended for protection (17-23), maps areas specially at risk from oil spills (25-27), provides instructions and data sheets for identifying stranded marine mammals (31-39; in Engl. & Arabic), and offers advice on the design and conduct of aerial surveys in the Arabian Gulf and Red Sea (41-42).
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Marsh, Helene D.
(detail)
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1989a |
Mass stranding of dugongs by a tropical cyclone in northern Australia.
Mar. Mamm. Sci.
5(1): 78-84. 1 tab. 4 figs. Jan. 1989.
–Reports the stranding of at least 27 dugongs in the Northern Territory in 1984, of which 23 were rescued. Describes the condition, behavior, sex, and reproductive status of the stranded animals, and gives data on the age, reproductive status, stomach contents, and heavy metal status of 3 that were necropsied.
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Marsh, Helene D.; Sinclair, D. F.
(detail)
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1989a |
Correcting for visibility bias in strip transect aerial surveys of aquatic fauna.
Jour. Wildl. Manage.
53(4): 1017-1024. 1 tab. 1 fig.
–Reports on the procedures used to develop survey-specific perception-bias and availability-bias correction factors in surveys of dugongs in northern Australia.
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Marsh, Helene D.
(detail)
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1989b |
Tracking dugongs by satellite.
The Pilot
(Newsletter of the UNEP Marine Mammal Action Plan)
No. 3: 10-11. 1 fig. Apr. 1989.
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Marsh, Helene D.
(detail)
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1989c |
Dugongidae. Chapter 57 in: D. W. Walton & B. J. Richardson (eds.), Fauna of Australia, Vol. 1B. Mammalia.
Canberra, Austral. Govt. Publ. Serv. (ix + 401-1227):
1030-1038. 3 figs.
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Marsh, Helene D.
(detail)
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1990 |
Sea cows. In: E. Gould & G. McKay (eds.), Mammals.
New York & Sydney, Mallard Press (Encyclopedia of Animals) (240 pp.):
164-166. 4 figs.
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Marsh, Helene D.; Rathbun, Galen B.
(detail)
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1990 |
Development and application of conventional and satellite radio tracking techniques for studying dugong movements and habitat use.
Austral. Wildl. Res.
17(1): 83-100. 4 tabs. 8 figs.
–Describes techniques used on, and data obtained from, 6 male dugongs radiotagged in North Queensland and tracked for 1-16 months. Their movement patterns were surprisingly similar to those of Florida manatees; all spent most of their time in relatively small and overlapping home ranges near inshore seagrass beds. Only one pubertal male undertook long-distance movements (>140 km in 2 days). Another dugong repeatedly travelled 10 km up a tidal creek. Concludes that conventional transmitters are better for behavioral observations, but satellite transmitters are better for tracking movements.
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Marsh, Helene D.; Saalfeld, W. Keith
(detail)
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1990 |
The distribution and abundance of dugongs in the Great Barrier Reef Marine Park south of Cape Bedford.
Austral. Wildl. Res.
17(5): 511-524. 4 tabs. 8 figs.
–Aerial surveys in 1986-87 gave a population estimate of 3,479 ± S.E. 459 dugongs in the region. Highest densities were observed on inshore seagrass beds and in waters less than 5 m deep. Maps of dugong density and distribution are given, and recommendations are made on the timing of future surveys.
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Smith, Andrew J.; Marsh, Helene D.
(detail)
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1990 |
Management of tradtional hunting of dugongs [Dugong dugon (Müller, 1776)] in the northern Great Barrier Reef, Australia.
Environ. Manage.
14(1): 47-55. 1 tab. 1 fig. Jan. 1990.
–Outlines relevant legislation and past attempts to regulate dugong take in the Hopevale and Lockhart River aboriginal communities; summarizes aerial survey and catch data. Concludes that present harvest levels are probably less than the sustainable yield, and recommends a flexible management system that is conservative but involves the traditional hunters themselves in making management decisions.
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Marsh, Helene D.
(detail)
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1991 |
Our tropical siren.
Austral. Geogr.
No. 21: 42-57. Cover illus. + 30 figs. Jan.-Mar. 1991.
–See also Preen (1991).
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Marsh, Helene D.; Saalfeld, W. Keith
(detail)
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1991 |
The status of the dugong in Torres Strait. In: D. Lawrence & T. Canfield-Smith (eds.), Sustainable development for traditional inhabitants of the Torres Strait region.
Great Barrier Reef Marine Park Authority Workshop Ser.
No. 16: 187-194. 2 tabs. 1 fig.
–Aerial survey data from 1987-88, and earlier catch statistics, indicate a minimum population estimate of 12,522 ± S.E. 1,487 dugongs in the region but are deemed insufficient to determine either the current catch level or the maximum sustainable harvest.
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Marsh, Helene D.; Corkeron, Peter J.; Limpus, Colin J.; Shaughnessy, Peter Douglas; Ward, T. M.
(detail)
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1993 |
Conserving marine mammals and reptiles in Australia and Oceania. In: C. Moritz & J. Kikkawa (eds.), Conservation biology in Australia and Oceania.
Chipping Norton (New South Wales), Surrey Beatty & Sons (xii + 403 pp.):
225-244. 3 tabs. 8 figs.
–?Repr.: Marsh, Corkeron et al., 1995. Gen. acc. of dugong biology, status, and conservation problems, based mainly on data from Australia (232-234).
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Marsh, Helene D.; Lefebvre, Lynn W.
(detail)
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1994 |
Sirenian status and conservation efforts.
Aquatic Mammals
20(3): 155-170. 2 tabs. 9 figs.
–Summarizes published and unpublished data on the status of the living taxa of sirs., emphasizing T. m. manatus, T. m. latirostris, and D. dugon (155-164); outlines conservation efforts in Florida and Australia (164-165); and reports the outcomes of three recent international meetings on sir. rersearch and conservation (165-168).
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Marsh, Helene D.; Prince, Robert I. T.; Saalfeld, W. Keith; Shepherd, R.
(detail)
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1994 |
The distribution and abundance of the dugong in Shark Bay, Western Australia.
Wildl. Res.
21(2): 149-161. 4 tabs. 4 figs.
–Aerial surveys in winter 1989 gave a minimum population estimate of 10,146ñ1,665 (s.e.) dugongs at an overall density of 0.71ñ0.12 (s.e.) dugongs/kmý, the highest density ever recorded on a large-scale survey. The high proportion of calves (19%) suggested an exceptionally high calving rate in 1988. Dugong density was highest in relatively deep water (12-16 m). Surveys in summer 1990 and 1991 confirmed that dugong distribution in Shark Bay varies seasonally with water temperature.
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Ponte, Fernando; Marsh, Helene D.; Jackson, Richard
(detail)
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1994 |
Indigenous hunting rights: ecological sustainability and the reconciliation process in Queensland.
Search
(Doncaster)
25(9): 258-261. 2 tabs. 2 figs. Oct. 1994.
–Outlines the efforts needed to bridge the gap between legal recognition of Aboriginal and Islander hunting rights (e.g., in regard to dugongs; 260-261) and public opposition to exercise of those rights.
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Hernandez, Patricia; Reynolds, John E., III; Marsh, Helene D.; Marmontel, Miriam
(detail)
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1995 |
Age and seasonality in spermatogenesis of Florida manatees. In: T. J. O'Shea, B. B. Ackerman, & H. F. Percival (eds.), Population biology of the Florida manatee (q.v.).
Information & Technology Rept.
(U.S. Dept. Interior, Natl. Biological Service) (vi + 289)
1: 84-97. 3 tabs. 10 figs. 1 app. Aug. 1995.
–Abstr. in O'Shea et al. (1992: 17).
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Lanyon, Janet M.; Marsh, Helene D.
(detail)
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1995 |
Digesta passage times in the dugong.
Austral. Jour. Zool.
43(2): 119-127. 3 tabs. 1 fig.
–Captive dugongs kept on a low-fiber, low-intake diet at Jakarta exhibited very slow passage times of 146-166 hours, similar to those of T. manatus. This is attributed to the long digestive tract, and results in almost complete digestion of low-fiber food.
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Marsh, Helene D.; Rathbun, Galen B.; O'Shea, Thomas J.; Preen, Anthony R.
(detail)
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1995 |
Can dugongs survive in Palau?
Biol. Conserv.
72(1): 85-89. 2 tabs. 2 figs.
–An aerial survey of Palau in 1991 found even fewer dugongs per flight-hour than earlier surveys, while interviews indicated that regular poaching continued along with illegal sale of jewellery made from dugong ribs. The authors believe that dugongs will go extinct in Palau unless poaching is stopped immediately.
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Preen, Anthony R.; Marsh, Helene D.
(detail)
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1995 |
Response of dugongs to large-scale loss of seagrass from Hervey Bay, Queensland, Australia.
Wildl. Res.
22: 507-519. 5 tabs. 5 figs.
–Following floods and a cyclone in 1992, a massive seagrass die-off resulted in the emigration and/or starvation of most of the Hervey Bay dugong population. Full recovery of this population may take more than 25 years.
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Marsh, Helene D.
(detail)
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1995a |
Fixed-width aerial transects for determining dugong population sizes and distribution patterns. In: T. J. O'Shea, B. B. Ackerman, & H. F. Percival (eds.), Population biology of the Florida manatee (q.v.).
Information & Technology Rept.
(U.S. Dept. Interior, Natl. Biological Service) (vi + 289)
1: 56-62. 2 tabs. 2 figs. Aug. 1995.
–Abstr. in O'Shea et al. (1992: 11).
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Marsh, Helene D.
(detail)
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1995b |
The life history, pattern of breeding, and population dynamics of the dugong. In: T. J. O'Shea, B. B. Ackerman, & H. F. Percival (eds.), Population biology of the Florida manatee (q.v.).
Information & Technology Rept.
(U.S. Dept. Interior, Natl. Biological Service) (vi + 289)
1: 75-83. 7 tabs. 3 figs. Aug. 1995.
–Abstr. in O'Shea et al. (1992: 10-11).
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Marsh, Helene D.
(detail)
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1996 |
Progress towards the sustainable use of dugongs by Indigenous peoples in Queensland. In: M. Bomford & J. Caughley (eds.), Sustainable use of wildlife by Aboriginal peoples and Torres Strait Islanders.
Canberra, Australian Govt. Publ. Service (ix + 216):
139-151. 3 figs. 2 pls.
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Tikel, Daniella; Blair, David; Marsh, Helene D.
(detail)
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1996 |
Marine mammal faeces as a source of DNA.
Molec. Ecol.
5(3): 456-457. 1 fig.
–Reports a mtDNA D-loop sequence obtained from feces of a dugong from Borroloola, Australia, and compares it with sequences from a Torres Strait dugong and a Florida manatee.
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Marsh, Helene D.
(detail)
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1997 |
Going, going, dugong.
Nature Australia
25(9): 50-57. 8 figs. Winter 1997.
–Gen. acc. of dugong population biology, status, and conservation in Australia.
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Marsh, Helene D.; Arnold, P. W.; Limpus, Colin J.; Birtles, Alastair; Breen, Barbara; Robins, J.; Williams, R.
(detail)
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1997 |
Endangered and charismatic megafauna. In: The Great Barrier Reef: science, use and management. A national conference.... [Held] 25-29 November 1996, James Cook University of North Queensland, Townsville, Queensland, Australia. Proceedings, Volume 1, Invited Papers.
Townsville:
124-138.
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Marsh, Helene D.; Harris, A. N. M.; Lawler, Ivan R.
(detail)
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1997 |
The sustainability of the indigenous dugong fishery in Torres Strait, Australia/Papua New Guinea.
Conserv. Biol.
11(6): 1375-1386. 8 tabs. 4 figs. Dec. 1997.
–Spanish summ. On the basis of aerial surveys in 1987 and 1991 and catch statistics, concludes that the annual catch approximates 5% of the estimated dugong population and is likely to be unsustainable. An increase in the Torres Strait population between the aerial surveys is thought to have been due to redistribution of dugongs within the survey region or to immigration, probably from Irian Jaya. For effective dugong management, the Torres Strait Islanders must be involved in management decisions and efforts.
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Preen, Anthony R.; Marsh, Helene D.; Lawler, Ivan R.; Prince, Robert I. T.; Shepherd, R.
(detail)
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1997 |
Distribution and abundance of dugongs, turtles, dolphins and other megafauna in Shark Bay, Ningaloo Reef and Exmouth Gulf, Western Australia.
Wildl. Res.
24(2): 185-208. 5 tabs. 10 figs.
–Aerial surveys in 1989 and 1994 estimated populations of about 10,000 dugongs at Shark Bay and about 1,000 each at Ningaloo Reef and Exmouth Gulf. Extension of the Shark Bay Marine Park to coincide with the marine section of the Shark Bay World Heritage Area is recommended.
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Marsh, Helene D.; Beck, Cathy A.; Vargo, Tim
(detail)
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1998 |
Comparison of the capabilities of dugongs and West Indian manatees to masticate seagrasses.
Mar. Mamm. Sci.
15(1): 250-255. 1 tab. 2 figs. "Jan. 1999" (mailed Dec. 3, 1998).
–Compares fragment sizes of seagrasses (Halodule and Thalassia) in stomach contents of dugongs and of Florida and Puerto Rican manatees. The fragments from dugong stomachs were smaller despite the dugong's simpler teeth, indicating that other parts of the masticatory apparatus are also important in fragmentation of food.
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Aragones, Lemnuel V.; Marsh, Helene D.
(detail)
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2000 |
Impact of dugong grazing and turtle cropping on tropical seagrass communities.
Pacif. Conserv. Biol.
5: 277-288. 3 tabs. 2 figs.
–Elaborate simulations of leaf-cropping and rhizome removal in 2 seagrass beds in Australia's Great Barrier Reef region, extending over 1-13 months, showed that "herbivory" improved the structure and dynamics of these communities from the viewpoint of megaherbivores, by altering biomass, detritus volume, productivity, and species composition. Recovery occurred after several months to a year.
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Marsh, Helene D.
(detail)
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2000 |
Evaluating management initiatives aimed at reducing the mortality of dugongs in gill and mesh nets in the Great Barrier Reef World Heritage Area.
Mar. Mamm. Sci.
16(3): 684-694. 1 tab. 1 fig. July 2000.
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Marsh, Helene D.; De'ath, Glenn; Gribble, Neil; Lane, Baden
(detail)
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2001 |
Shark control records hindcast serious decline in dugong numbers off the urban coast of Queensland.
Great Barrier Reef Marine Park Authority Research Publication
No. 70: 1-24. 1 tab. 8 figs.
–Publ. together with Marsh & Lawler (2001).
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Marsh, Helene D.; Lawler, Ivan R.
(detail)
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2001 |
Dugong distribution and abundance in the Southern Great Barrier Reef Marine Park and Hervey Bay: results of an aerial survey in October-December 1999.
Great Barrier Reef Marine Park Authority Research Publication
No. 70: 25-87. 8 tabs. 3 figs. 3 appendix tabs.
–Publ. together with Marsh et al. (2001).
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Marsh, Helene D.
(detail)
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2002 |
Dugong (Dugong dugon). In: W. F. Perrin, B. Wrsig, & J. G. M. Thewissen (eds.), Encyclopedia of marine mammals.
San Diego, Academic Press (xxxviii + 1414):
344-347. 2 figs.
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Marsh, Helene D.; Lawler, Ivan R.
(detail)
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2002 |
Dugong distribution and abundance in the Northern Great Barrier Reef Marine Park: November 2000.
Great Barrier Reef Marine Park Authority Research Publication
77.
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Marsh, Helene D.; Penrose, Helen; Eros, Carole; Hugues, Joanna
(detail)
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2002 |
Dugong: status reports and action plans for countries and territories in its range.
Cambridge (U.K.), IUCN:
viii + 162. 2 tabs. Illus.
–Also publ. as: Dugong: status reports and action plans for countries and territories. UNEP Early Warning and Assessment Report Series 1 (Cambridge, UNEP), 2002.
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Marsh, Helene D.; Arnold, P.; Freeman, M.; Haynes, D.; Laist, David; Read, A.; Reynolds, John E., III; Kasuya, Toshiro
(detail)
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2003 |
Strategies for conserving marine mammals. In: N. Gales, M. Hindell, & R. Kirkwood (eds.), Marine mammals: fisheries, tourism and management issues.
Collingwood (Australia), CSIRO Publ. (xii + 446):
1-19.
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Marsh, Helene D.; Penrose, H.; Eros, C.
(detail)
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2003 |
A future for the dugong? In: N. Gales, M. Hindell, & R. Kirkwood (eds.), Marine mammals: fisheries, tourism and management issues.
Collingwood (Australia), CSIRO Publ. (xii + 446):
383-399. 3 tabs. 1 fig.
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Fernandes, L.; Day, J.; Lewis, A.; Slegers, S.; Kerrigan, B.; Breen, D.; Cameron, D.; Jago, B.; Hall, J.; Lowe, D.; Innes, J.; Tanzer, J.; Chadwick, V.; Thompson, L.; Gorman, K.; Simmons, M.; Barnett, B.; Sampson, K.; De'ath, Glenn; Mapstone, B.; Marsh, Helene D.; Possingham, H.; Ball, I.; Ward, T.; Dobbs, K.; Zumend, J.; Slater, D.; Stapleton, K.
(detail)
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2005 |
Establishing representative no-take areas in the Great Barrier Reef: large-scale implementation of Theory on Marine Protected Areas.
Conserv. Biol.
19: 1733-1744.
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Grech, A.; Marsh, Helene D.
(detail)
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2007 |
Prioritising areas for dugong conservation in a marine protected area using a spatially explicit population model.
Applied GIS
3(2): 1-14.
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Daley, B.; Griggs, P.; Marsh, Helene D.
(detail)
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2008 |
Exploiting marine wildlife in Queensland: the commercial dugong and marine turtle fisheries, 1847-1969.
Australian Economic History Review
48(3): 227-265.
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Dobbs, K.; Fernandes, L.; Slegers, S.; Jago, B.; Thompson, L.; Hall, L.; Day, J.; Cameron, D.; Tanzer, J.; Macdonald, F.; Marsh, Helene D.; Coles, Robert
(detail)
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2008 |
Incorporating dugong habitats into the marine protected area design for the Great Barrier Reef Marine Park, Queensland, Australia.
Ocean & Coastal Management
51: 368-375.
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Grech, A.; Marsh, Helene D.
(detail)
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2008 |
Rapid assessment of risks to a mobile marine mammal in an ecosystem-scale marine protected area.
Conserv. Biol.
22: 711-720.
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Grech, A.; Marsh, Helene D.; Coles, Robert
(detail)
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2008 |
Using spatial risk assessment to evaluate and address the problem of marine mammal bycatch. [?OR:] A spatial assessment of the risk to a mobile marine mammal from bycatch.
Aquatic Conservation: Marine & Freshwater Ecosystems
18: 1127-1139. DOI: 10.1002/aqc.943
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Marsh, Helene D.
(detail)
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2008 |
Marine mammals. In: P. Hutchings, M. Kingsford, & O. Hoegh Guldberg (eds.), A field guide to the Great Barrier Reef.
CSIRO Publishing.
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Marsh, Helene D.; Kwan, D.
(detail)
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2008 |
Temporal variability in the life history and reproductive biology of female dugongs in Torres Strait: the likely role of sea grass dieback.
Continental Shelf Research
28: 2152-2159.
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Marsh, Helene D.; O'Shea, Thomas J.; Reynolds, John E., III
(detail)
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2011 |
Ecology and conservation of the Sirenia: dugongs and manatees.
Cambridge (U.K.), Cambridge Univ. Press (Conservation Biology Series No. 18):
xvi + 521. Illus. Dec. 1, 2011.
–Revs.: R.K. Bonde, Ecology 93(9): 2127-2128, Sept. 2012; D.P. Domning, Jour. Mamm. 93(5): 1405-1406, Oct. 19, 2012.
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Fuentes, Mariana M. P. B.; Cleguer, Christophe; Liebsch, Nikolai; Bedford, Guy; Amber, David; Hankin, Charlie; McCarthy, Phillip; Shimada, Takahiro; Whap, Terrence; Marsh, Helene D.
(detail)
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2013 |
Adapting dugong catching techniques to different cultural and environmental settings.
Mar. Mamm. Sci.
29(1): 159-166. 2 figs. Jan. 2013.
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Bibliography and Index of the Sirenia and Desmostylia 