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Related Concept Videos

Migration00:53

Migration

Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms around the world, is an adaptive response that typically corresponds to changes in an organism’s environment, like resource availability or climate. Migrations can involve huge groups of thousands of animals as well as single individuals traveling alone and can range from thousands of kilometers to just a few hundred meters.
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Epiphytes, Parasites, and Carnivores

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Spinal Cord: Cross-sectional Anatomy

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Corridor use by Asian elephants.

Wenjing Pan1, Liu Lin1, Aidong Luo1

  • 1Ministry of Education Key Laboratory for Biodiversity Sciences and Ecological Engineering, College of Life Sciences, Beijing Normal University, Beijing, ChinaXishuangbanna National Nature Reserve Bureau, Jinghong, Yunnan, China.

Integrative Zoology
|March 12, 2011
PubMed
Summary
This summary is machine-generated.

The Kunming-Bangkok Highway reduced Asian elephant corridors in Xishuangbanna Nature Reserve. Elephants adapted by crossing roads, but habitat fragmentation requires revised management strategies to ensure safety for both wildlife and humans.

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Area of Science:

  • Wildlife Ecology
  • Conservation Biology
  • Transportation Ecology

Background:

  • The Mengyang Nature Reserve in Xishuangbanna National Nature Reserve, China, is bisected by an 18 km stretch of the Kunming-Bangkok Highway.
  • Habitat fragmentation by infrastructure poses significant threats to wildlife populations, particularly wide-ranging species like Asian elephants.

Purpose of the Study:

  • To assess the impact of the Kunming-Bangkok Highway on the movement and habitat utilization of wild Asian elephants.
  • To evaluate the effectiveness of artificial corridors and identify elephant behavioral adaptations to the highway environment.

Main Methods:

  • Track transecting surveys to monitor elephant presence and movement.
  • Rural surveys and direct monitoring to gather data on elephant activity and corridor usage.
  • Analysis of changes in corridor utilization and home range shifts post-highway construction.

Main Results:

  • A reduction in the number of utilized elephant corridors from 28 to 23 following highway construction.
  • Diminished or disappeared elephant activity in certain areas, indicating home range alterations.
  • A 44% utilization rate of artificial corridors, with a preference for those aligned with original elephant pathways.

Conclusions:

  • The highway has significantly impacted Asian elephant movement patterns and habitat connectivity.
  • Asian elephants exhibit adaptive behaviors, including road crossing, but habitat fragmentation necessitates mitigation strategies.
  • Recommendations include revising highway management to minimize human-elephant conflict and preserving existing elephant corridors for conservation.