OBJECTIVE LIFE SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is true of DEI (depth of edge influence)? Select all that apply:
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it is the depth to which edge effects penetrate the patch
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there is no one right way to measure DEI
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DEI is consistent on all sides of a patch
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DEI is typically greater for biotic influences than for abiotic influences
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DEI is typically greater for abiotic influences than for biotic influences
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Explanation:
Detailed explanation-1: -Edge Effect – The greater number of landscape elements, vegetation complexity and mixed ecosystem characteristics result in greater density and biodiversity along the ecotones. This phenomenon is called the edge effect.
Detailed explanation-2: -Examples include open corridors cleared for roads in woodlands and hedgerows established in grasslands. Negative edge effects include increased risk of parasitism or disease, increased risk of predation, adverse microclimate conditions, and competition from invasive species.
There is 1 question to complete.