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A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents

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Intra- and Interspecific Spatial Temporal Interactions Drive Habitat Selection of Three Sympatric Top Predators.

Chenbing Chu¹, Wannian Cheng¹, Baoxiang Huang¹

¹Feline Research Center of National Forestry and Grassland Administration, College of Wildlife and Protected Area Northeast Forestry University Harbin China.

Ecology and Evolution

|June 8, 2026

Summary

Top predator populations, including Amur tigers and leopards, are increasing, influencing habitat selection through competition. Conservation must address carnivore needs and spatial competition for sustainable growth.

Keywords:

habitat selection intra‐ and interspecific interactions sympatric coexistence top predators

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Area of Science:

Ecology
Conservation Biology
Wildlife Management

Background:

Top predator distribution and habitat selection are key for conservation.
Intra- and interspecific competition roles in habitat selection are often overlooked.

Purpose of the Study:

Investigate population density changes of Amur tigers, Amur leopards, and Asiatic black bears.
Characterize habitat selection patterns of these sympatric species.
Analyze the impact of predator presence on distribution patterns.

Main Methods:

Utilized 6 years of infrared camera trap data (2014-2019).
Employed Generalized Linear Mixed Models (GLMMs) for habitat selection analysis.

Main Results:

Significant population density increase observed for Amur tigers (p=0.05) and Amur leopards (p=0.035).
No significant population change for Asiatic black bears (p=0.86).
Predator presence impacted other species' distribution during population recovery.

Conclusions:

Top predator habitat selection is influenced by intra- and interspecific interactions, environment, and prey.
Tiger and leopard densities affect their own and black bear habitat use.
Conservation requires holistic habitat fulfillment and spatial competition management, including migration induction.