Red pandas face a fractured future

Red pandas face a fractured future
Credit: Damber Bista

The much-loved red panda is renowned for its tree-climbing ability and adorable nature, but new research shows the endangered mammal is being driven closer to extinction.

University of Queensland Ph.D. candidate Damber Bista, who tracked in Nepal over a 12-month period from Queensland using GPS telemetry, has found that is causing the mammal to restrict its movements which is further fragmenting their habitat.

Mr. Bista said it was a worrying sign.

"Our research findings show that current patterns of habitat fragmentation and forest exploitation, from such as new roads, are placing the red panda under increased threat," Mr. Bista said.

"Because of this, red pandas are changing their activity to minimize their interactions with disturbances, such as humans, dogs, or livestock, and this is drastically interfering with natural interactions between the animals, resulting in population isolation."

Mr. Bista has been studying red pandas for several years and in late 2019 he traveled to Nepal, where he tagged red pandas with collars which allow him to track their movements by satellite.

He returned to Australia in January 2020, with the intention of returning to Nepal within a few months to continue monitoring the animals and install cameras in the field, but COVID-19 hit.

"The satellite tracking allowed me to monitor the red pandas remotely here in Brisbane, while I relied on my friends and colleagues in Nepal to install cameras and conduct the field surveys," he said.

"It was a surreal experience, I would spend many hours a day during COVID lockdowns in my home, watching the movement of red pandas in Nepal on my computer."

There was one red panda which he kept a close eye on.

An adult male "Chintapu," named after the location he was found, was known for its roaming nature and in one 24 hour period the mammal traveled 5 km which is unheard of for a typical red panda.

So, what was it after—fresh bamboo, or perhaps a wild blossom delicacy? "It was during breeding season," Mr. Bista explained.

Other red pandas that Mr. Bista followed closely for 12-months included a female "Paaruhaang," named after a local deity, a female "Mechaachaa" meaning daughter, and "Ninaammaa" which means Queen of the Sky in local dialect.

There was also "Brian," named after the founder of the Red Panda Network.

Mr. Bista's research was the fifth known global study conducted on wild red pandas, and only the second in Nepal.

"It's difficult to know how many red pandas are left in the world, but it is estimated that 10,000 are left in the wild, and between 500 to 1,000 are in Nepal," he said.

"With the findings from this study showing fragmentation of their habitat, together with a previous study on the impacts of poaching, I am concerned about the future of this species.

"While red pandas can adapt to habitat impacts to some extent, they may be susceptible to local extinction under these conditions, placing the wider population of the species at risk."

Mr. Bista said the dwindling amount of wild forest forces the red panda into situations where it must decide on whether to live closer to predators or adapt to co-exist with humans.

"As you'd expect, it's in an animal's best interest to avoid its predators, but as we continue to build more roads and infrastructure, that drastically reduces the capacity for red pandas to do this," he said.

"As the availability of suitable forests shrink, it's up to the red panda to weigh up its options on how to best survive.

"This trade-off can lead to an increased risk of mortality and population decline in the long run."

He said this underpinned the need to minimize human-induced disturbances, which is one of the recommendations made in the study.

"Our recommendation is for human activities to be strictly regulated during most if not all biologically crucial times such as mating, dispersal and birthing seasons," Mr. Bista said.

"As for , we recommend they focus on identifying ecologically sensitive areas, maintaining habitat continuity, and minimizing projects that will disturb habitats, such as building roads and herding livestock.

"If can't be avoided, we suggest avoiding core areas and restrictions on and noise, and for an increase in wildlife crossings in high-risk areas."

The research is published in Landscape Ecology.


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More information: Damber Bista et al, Effect of disturbances and habitat fragmentation on an arboreal habitat specialist mammal using GPS telemetry: a case of the red panda, Landscape Ecology (2022). DOI: 10.1007/s10980-021-01357-w
Citation: Red pandas face a fractured future (2022, June 6) retrieved 12 August 2022 from https://phys.org/news/2022-06-red-pandas-fractured-future.html
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