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A. Preen, H. Marsh (1995)
Response of dugongs to large-scale loss of seagrass from Hervey Bay, Queensland AustraliaWildlife Research, 22
R. B. Harris, L. A. Maguire, M. L. Shaffer (1987)
Sample size for minimum viable population estimationAust. Wildl. Res, 1
R. Harris, Lynn Maguire, M. Shaffer (1987)
Sample Sizes for Minimum Viable Population EstimationConservation Biology, 1
(1990)
Development and application of conventional and satellite radio - tracking techniques for studying dugong movements and habitat usage
(1999)
Reproduction in sirenians
L. Boyd, C. Lockyer, H. D. Marsh (1999)
Reproduction in marine mammalsEcol. Applic.
H. Marsh, I. Lawler, Donna Kwan, S. Delean, K. Pollock, Matthew Alldredge (2004)
Aerial surveys and the potential biological removal technique indicate that the Torres Strait dugong fishery is unsustainableAnimal Conservation, 7
Helene Marsh, Anm Harris, I. Lawler (1997)
The Sustainability of the Indigenous Dugong Fishery in Torres Strait, Australia / Papua New GuineaConservation Biology, 11
Andrew Smith, H. Marsh (1990)
Management of traditional hunting of dugongs [Dugong dugon (Müller, 1776)] in the northern Great Barrier Reef, AustraliaEnvironmental Management, 14
(1996)
Monitoring marine and
R. Lacy (2000)
Structure of the VORTEX simulation model for population viability analysis
H. Marsh, I. Lawler (2002)
Dugong distribution and abundance in the northern Great Barrier Reef Marine Park - November 2000
(2000)
The 2000 Red List of Threatened Species
(2002)
Dugong distribution and abundance
(1995)
Dugongs , ‘ hot spots ’ and meta - herds
P. Wade (1998)
CALCULATING LIMITS TO THE ALLOWABLE HUMAN‐CAUSED MORTALITY OF CETACEANS AND PINNIPEDSMarine Mammal Science, 14
(2002)
House report: Florida Fish and Wildlife Conservation Commission StaffJ. Wildl. Mgmt.
(2002)
Australia: CSIRO Division of Fisheries
(2000)
Considering threats to the viability
(2004)
Modelling availability and perception processes for strip and line transects : an application to dugong aerial surveys
(1995)
Flood and cyclone
S. R. Beissinger, M. I. Westphal (1998)
On the use of demographic models of population viability in endangered species managementEcol. Bull, 62
H. Marsh, W. Saalfeld (1989)
Distribution and Abundance of Dugongs in the Northern Great Barrier Reef Marine ParkWildlife Research, 16
(1996)
Seagrasses
(1999)
A Guugu Yimithirr Bama Wii -Girrbithi and Ngawiya -A turtle and dugong hunting management plan. Hope Vale: Hope Vale Aboriginal Community
C. Langtimm, C. Beck (2003)
LOWER SURVIVAL PROBABILITIES FOR ADULT FLORIDA MANATEES IN YEARS WITH INTENSE COASTAL STORMSEcological Applications, 13
Donna Kwan (2002)
Towards a sustainable indigenous fishery for dugongs in Torres Strait : a contribution of empirical data analysis and process
H. Marsh, P. Corkerton, I. Lawler, A. Preen, J. Lanyon (1996)
The status of the dugong in the southern Great Barrier Reef Marine Park
A. Preen (1989)
Observations of mating behaviour in dugong. Dugong dugon, 5
A. Preen, W. Long, R. Coles (1995)
Flood and cyclone related loss, and partial recovery, of more than 1000 km2 of seagrass in Hervey Bay, Queensland, AustraliaAquatic Botany, 52
H. Marsh, B. Gardner, GE Heinsohn (1981)
Present-day hunting and distribution of dugongs in the Wellesley Islands (Queensland): Implications for conservationBiological Conservation, 19
H. Marsh, Carole Eros, P. Corkeron, Barbara Breen (1999)
A conservation strategy for dugongs : implications of Australian researchMarine and Freshwater Research, 50
(1996)
Monitoring marine and terrestrial hunting in an Aboriginal community in North Queensland
Considering threats to the viability of small populations
(2003)
Progress towards the cooperative management
Carole Eros, J. Hugues, H. Marsh, H. Penrose (2002)
Dugong : status reports and action plans for countries and territories
(2002)
Dugong: status
R. Feinberg, R. Johannes, J. Macfarlane (1991)
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(1998)
Petersburg, FL: Florida Marine Research Institute
(2003)
Vortex: A stochastic simulation of the extinction process. Version 9
J. Shogren, J. Tschirhart, Terry Anderson, Amy Ando, S. Beissinger, David Brookshire, Gardner Brown, Don Coursey, Robert Innes, Stephen Meyer, S. Polasky (1998)
On the Use of Demographic Models of Population Viability in Endangered Species ManagementJournal of Wildlife Management, 62
H. Marsh, G. Rathbun (1990)
Development and Application of Conventional and Satellite Radio Tracking Techniques for Studying Dugong Movements and Habitat UseWildlife Research, 17
(2002)
Population viability analysis of the Florida manatee
(1995)
Response of dugongs to large scale loss of seagrass from Harvey Bay , Queensland
(1995)
The life history , pattern of breeding , and population dynamics of the dugong
(1998)
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A. Preen (1989)
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(1989)
Observations of mating behaviour in dugongs
M. Bomford, J. Caughley (1996)
Sustainable use of wildlife by Aboriginal peoples and Torres Strait Islanders
(1996)
Ecologically sustainable harvesting of wildlife by Aboriginal peoples
A significant proportion of the world's remaining dugongs (Dugong dugon) occur off northern Australia where they face various anthropogenic impacts. Here, we investigate the viability of two dugong meta‐populations under varying regimes of indigenous hunting. We construct population viability analyses (PVAs) using the computer package VORTEX and published estimates of population sizes and hunting rates. In Torres Strait between Cape York and New Guinea, our models predict severe and imminent reductions in dugong numbers. Our ‘optimistic’ and ‘pessimistic’ models suggest median times for quasi‐extinction of 123 and 42 years, respectively. Extinction probabilities are also high for eastern Cape York Peninsula. We demonstrate the inadequacy of reserves when harvest rates in neighbouring areas are high, identify the maximum harvest rates for meta‐population stability and emphasise the urgent need for indigenous community involvement in management to establish sustainable rates of dugong harvest in these regions.
Animal Conservation – Wiley
Published: Nov 1, 2004
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