Related Experiment Video
Updated: Jun 20, 2025
10:30
Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations
Published on: September 11, 2016
10.7K
Scavengers in the human-dominated landscape: an experimental study
Sourabh Biswas1, Tathagata Bhowmik2,3, Kalyan Ghosh4
1Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata , Nadia, West Bengal, India.
Summary
Urbanization impacts wildlife, leading to increased scavenging. This study identified key scavenger species like dogs and mynas in West Bengal, India, revealing complex urban food webs.
Area of Science:
- Urban ecology
- Wildlife adaptation
- Biodiversity research
Background:
- Urbanization drives habitat loss and human-animal conflict.
- Understanding urban ecosystems is crucial for sustainable cities.
- Scavengers are vital components of urban ecosystems, often adapting to human food sources.
Purpose of the Study:
- To identify the vertebrate scavenging guild in urban habitats of West Bengal, India.
- To analyze the structure and dynamics of urban scavenging networks.
- To understand species' roles in human-dominated ecosystems.
Main Methods:
- Conducted observations across 15 sites in West Bengal over 498 sessions.
- Identified 17 vertebrate species participating in scavenging.
- Utilized network analysis to map species interactions and identify key players.
Main Results:
- A total of 17 vertebrate species were identified as scavengers.
- Free-ranging dogs and common mynas emerged as central species in the scavenging network.
- The study highlighted the intricate nature of scavenging interactions in urban environments.
Conclusions:
- Urban ecosystems support diverse scavenging guilds, with specific species dominating resource use.
- Understanding these networks is essential for managing human-wildlife interactions in cities.
- This research contributes to the broader understanding of food web dynamics influenced by spatial and social interactions.
Related Concept Videos
02:31Habitat Fragmentation
17.5K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
17.5K
02:30Naturalistic Observations
15.4K
If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
15.4K
00:30What are Populations and Communities?
33.9K
Overview
33.9K
01:24Biodiversity and Human Values
13.0K
Human civilization relies on biodiversity in many ways. Sudden changes in species biodiversity result in environmental changes that can modify weather patterns and therefore human civilizations.
13.0K
01:41Social Traps
22.3K
Social traps are negative situations where people get caught in a direction or relationship that later proves to be unpleasant, with no easy way to back out of or avoid. The concept was orignally introduced by John Platt who applied psychology to Garrett Hardin's "Tragedy of the Commons", where in New England herd owners could let their cattle graze in the common ground. This situation seems like a good idea, but an individual could have an advantage. If they owned...
22.3K
04:49Robbers Cave
14.3K
During the 1950s, the landmark Robbers Cave experiment demonstrated that when groups must compete with one another, intergroup conflict, hostility, and even violence may result. At the Oklahoman summer camp, two troops of boys—termed the Rattlers and the Eagles—took part in a week-long tournament. During this time, their negativity culminated in derogatory name-calling, fistfights, and even vandalism and destruction of property. However, this work also revealed that such tension...
14.3K