Australian Mammalogy Australian Mammalogy Society
Journal of the Australian Mammal Society
RESEARCH ARTICLE

The bats (Mammalia : Chiroptera) of the lower Waria Valley, Morobe Province, Papua New Guinea: a survey and comparison across habitat types using mist nets

Jeff Dawson A F , Craig Turner B C , Oscar Pileng A D , Andrew Farmer A , Cara McGary A , Chris Walsh A , Alexia Tamblyn B and Cossey Yosi E

A Coral Cay Conservation, 1st Floor Block, 1 Elizabeth House, 39 York Road, London SW1 7NQ, UK.

B Jaquelin Fisher Associates, 4 Yukon Road, London SW12 9PU, UK.

C Current address: Zoological Society of London, Regents Park, London NW1 4RY, UK.

D FORCERT, Walindi Nature Centre, Talasea Highway, West New Britain Province, Papua New Guinea.

E Papua New Guinea Forest Research Institute, PO Box 314, Lae, Morobe Province, Papua New Guinea.

F Corresponding author. Email: jeffdawson78@gmail.com

Australian Mammalogy 34(2) 234-244 http://dx.doi.org/10.1071/AM11030
Submitted: 5 August 2011  Accepted: 10 February 2012   Published: 8 June 2012

Abstract

From June 2007 to February 2009 the Waria Valley Community Conservation and Sustainable Livelihoods Project completed a mist net survey of bats in the lower Waria Valley, Morobe Province, Papua New Guinea. The Waria Valley is located on the north coast of the Morobe Province ~190 km south-east of Lae, and still has large tracts of intact lowland hill and plain rainforest. Four broad habitats (agricultural, secondary forest edge, primary forest edge and primary forest) were surveyed using mist nets. A total of 596 individuals representing 11 species were caught, measured and identified over 8824 net-m h–1 across 99 nights.

Within the limitations of this method, primary forest edge sites in general showed the highest degree of species richness and diversity and along with secondary forest edge sites were more even in species composition. Primary forest and agricultural sites were each dominated by a single species, Syconycteris australis and Macroglossus minimus respectively. Most captures were megachiropterans and microchiropterans were underrepresented, presumably in part because of the survey method employed.


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