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Monitoring and conservation of the critically endangered Alaotran gentle lemur Hapalemur alaotrensis

Guillera-Arroita, Gurutzeta, Lahoz-Monfort, José J., Milner-Gulland, E. J., Young, Richard P. and Nicholson, Emily 2010, Monitoring and conservation of the critically endangered Alaotran gentle lemur Hapalemur alaotrensis, Madagascar conservation and development, vol. 5, no. 2, pp. 103-109.

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Title Monitoring and conservation of the critically endangered Alaotran gentle lemur Hapalemur alaotrensis
Formatted title Monitoring and conservation of the critically endangered Alaotran gentle lemur Hapalemur alaotrensis
Author(s) Guillera-Arroita, Gurutzeta
Lahoz-Monfort, José J.
Milner-Gulland, E. J.
Young, Richard P.
Nicholson, EmilyORCID iD for Nicholson, Emily orcid.org/0000-0003-2199-3446
Journal name Madagascar conservation and development
Volume number 5
Issue number 2
Start page 103
End page 109
Total pages 7
Publisher Jane Goodall Institute Switzerland
Place of publication Zurich, Switzerland
Publication date 2010-12
ISSN 1662-2510
Keyword(s) bandro
habitat suitability
habitat fragmentation
imperfect detection
Maxent
Summary The Alaotran gentle lemur Hapalemur alaotrensis is a Critically Endangered lemur, which exclusively inhabits the marshes around Lac Alaotra in northeast Madagascar. In the past decades the population of H. alaotrensis has experienced a dramatic decline due to poaching, habitat destruction and degradation. Surveys have been carried out periodically to follow the status of the population. Here we present the results of a survey carried out between May and June 2008 in the southwestern part of the marshes around Alaotra and discuss the key findings derived from the analysis of the data collected. Our study indicates that the probability of detecting the species in an area where it is present is very low and depends on factors that vary in space and time. These results stress the need to account for imperfect detection when monitoring this species, an issue especially relevant when reporting population trends. Our analyses also show that habitat fragmentation is a key determinant of habitat suitability for H. alaotrensis, with fragmented areas of marsh showing low suitability. Finally, our observations and analysis suggest that the protection provided by the local community to H. alaotrensis in Andreba is contributing to the conservation of this Critically Endangered species. This highlights the need to continue working on engaging the local communities in the conservation of the marshes at Lac Alaotra as a critical element to secure the future of H. alaotrensis.
Language eng
Field of Research 050202 Conservation and Biodiversity
Socio Economic Objective 960805 Flora
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2010, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30073641

Document type: Journal Article
Collections: School of Life and Environmental Sciences
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.