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HOW THE ENCOUNTER BETWEEN ANIMALS CHANGE THEIR HOME RANGES

Updated: May 13, 2022

Many animals have their own home ranges but they are not willing to share the areas they live in with other individuals under the pressure of limited resources. AND the encounters of two individuals might lead to the change of their home range areas respectively to avoid their next encounters. BUT we don't know how the individuals' home ranges are affected by these encounters. THEREFORE we need to know the relationships and how it plays a key role in planning animal's protected areas.


I followed several steps to know how the intraspecific encounters between two individuals changed their home ranges. I used the semivariance function (SVF) to fit tracking data’s empirical variograms with multiple movement modes. I also ranked Akaike Information Criterion (AIC) to figure out each individual’s best movement models. In addition, I simulated each individual’s locations in an even time sampling interval to calculate the distances between two individuals along the time overlap. After that, I figured out the encounter time with the shortest distance and estimated the home ranges before and after their encounter.


Conceptual Diagram


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