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Seeing the Canopies for the Forest: Habitat Utilization Mapping Using Habitat Structure and Composition.

Joseph J Erinjery1,2, Mewa Singh3, Olatunji Johnson4

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Understanding habitat use in endangered species like the lion-tailed macaque (Macaca silenus) requires integrating habitat structure and composition. Primary forests offer better habitat than plantations, with seasonal variations influencing suitability.

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Western Ghatsactivity‐based habitat utilization modelarboreal animalsfine‐scale habitatstree allometriestree distribution and abundance

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Area of Science:

  • Arboreal ecology
  • Primate behavior
  • Conservation biology

Background:

  • Fine-scale habitat utilization mapping is crucial for animal ecology and conservation.
  • A unified approach combining habitat structure, composition, and animal activities is needed for accurate assessments.

Purpose of the Study:

  • To introduce a unified activity-based habitat utilization model using simulations.
  • To map the fine-scale spatio-temporal habitat utilization of the endangered lion-tailed macaque (Macaca silenus).

Main Methods:

  • Simulations of habitat structure and composition.
  • Integration of tree distribution, abundance, and height utilization data.
  • Activity-based habitat utilization modeling.

Main Results:

  • Habitat utilization predictions are enhanced by combining tree distribution/abundance with height data.
  • Primary forests are more suitable than plantations for lion-tailed macaques across all activities.
  • Seasonal variations in habitat suitability were observed due to tree fruiting patterns.

Conclusions:

  • Incorporating habitat structure and composition is vital for understanding arboreal species' fine-scale spatio-temporal habitat utilization.
  • The simulation model aids in conserving primates in tropical habitats where extensive field data collection is challenging.
  • Primary forests provide superior canopy connectivity for locomotion compared to plantations.