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Cortisol Measurement in Koala (Phascolarctos cinereus) Fur

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Published on: August 23, 2019

Parasite threat to panda conservation.

Jin-Shuo Zhang¹, Peter Daszak, Hua-Li Huang

¹Institute of Zoology and Graduate University, Chinese Academy of Sciences, Beijing 100101, China.

|July 24, 2008

Summary

This summary is machine-generated.

Giant panda conservation faces threats from habitat loss and disease. A parasitic infection, visceral larval migrans, has significantly increased wild panda mortality since 1971.

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Area of Science:

Conservation Biology
Veterinary Parasitology
Wildlife Ecology

Background:

Giant pandas are an iconic species facing significant conservation challenges, primarily due to habitat loss.
While panda physiology and diet are well-studied, data on wild panda mortality remains scarce.
Understanding mortality factors is crucial for effective giant panda conservation strategies.

Purpose of the Study:

To analyze previously unavailable data on wild giant panda mortality.
To identify and assess the impact of different mortality phases, including bamboo flowering, poaching, and disease.
To determine the primary threats to wild panda survival in recent decades.

Main Methods:

Integration of historical and recent data on wild panda deaths.
Statistical analysis of mortality trends over several decades (1971-2005).
Identification of causative agents for parasitic infections, specifically ascarid nematodes.

Main Results:

Identified three distinct phases of panda mortality: bamboo flowering (1970s-1980s), poaching (1980s-1990s), and parasitic infection (recent years).
Found a significant increase in panda deaths attributed to visceral larval migrans, caused by an ascarid nematode, between 1971 and 2005.
Disease due to extraintestinal migration of nematodes is the most significant current threat to wild panda survival.

Conclusions:

Parasitic infections, specifically visceral larval migrans, represent the most critical threat to the survival of wild giant pandas.
The emergence and increased impact of this disease require further investigation into contributing factors.
Effective conservation efforts must address disease management alongside traditional threats like habitat loss and poaching.