Bickford on “Where Are All The Frogs?”

Read the details at Habitatnews.

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Announcing David Bickford’s new webpage!

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Faculty of Science – new look for the webpage!

See science.nus.edu.sg

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New paper published: “Measuring the Meltdown: Drivers of Global Amphibian Extinction and Decline ”

Sodhi NS, D Bickford, AC Diesmos, TM Lee, LP Koh, BW Brook, CH Sekercioglu, CJA Bradshaw, 2008. Measuring the Meltdown: Drivers of Global Amphibian Extinction and Decline. PLoS ONE, 3(2): e1636 [free download]. doi:10.1371/journal.pone.0001636

Abstract – Habitat loss, climate change, over-exploitation, disease and other factors have been hypothesised in the global decline of amphibian biodiversity. However, the relative importance of and synergies among different drivers are still poorly understood. We present the largest global analysis of roughly 45% of known amphibians (2,583 species) to quantify the influences of life history, climate, human density and habitat loss on declines and extinction risk.

Multi-model Bayesian inference reveals that large amphibian species with small geographic range and pronounced seasonality in temperature and precipitation are most likely to be Red-Listed by IUCN. Elevated habitat loss and human densities are also correlated with high threat risk. Range size, habitat loss and more extreme seasonality in precipitation contributed to decline risk in the 2,454 species that declined between 1980 and 2004, compared to species that were stable (n = 1,545) or had increased (n = 28).

These empirical results show that amphibian species with restricted ranges should be urgently targeted for conservation.

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Biodiversity group’s Lo Hei celebration

Staff and students gathered for the Year of the Rat Lo Hei celebrations. See Wikipedia for the origins of this ritual in Singapore.

We welcomed in the Chinese New Year, caught up with a little bit of the news and with each other and thanked the admin staff for their year-round support.

Photos by Tommy Tan are up on Flickr.

Thanks to Tommy for organising yet another gathering!

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Swee Hee promoted to Lecturer

Hi folks:

I am pleased to report that Swee Hee has been promoted to lecturer. Congratulations Swee Hee!

Best,
Navjot

Swee Hee with one of his favourite ladies. NMNH, 16 Sep 2005.

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Marine Biology class visit Mandai mangroves

Peter Todd and I took the LSM4261 Marine Biology class out to Mandai mangroves – we had four hours for the class including travel time. I kept them as dry as possible so that they would not have excessive post-trip cleaning and we returned early.

It was definitely worth the peek – the joy of a small class.

Thanks to Tommy Tan who volunteered to man the safety call center while we were in the field.

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Li Daiqin appointed Senior Fellow in the Department of Zoology, University of Melbourne

Li Daiqin has accepted the honorary appointment of Senior Fellow in the Department of Zoology, University of Melbourne. Congratulations, Daiqin!

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