Dragonfly Biotic Index

Dragonfly Biotic Index

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9781928224051
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Dragonfly Biotic Index

 

Author: /Simaika
Format: Paperback

Overall, freshwater ecosystems are the most threatened ecosystem type in the world. The scarce South African freshwaters are threatened by alien organisms, high volumes of water abstraction, and pollution. Yet some South African freshwaters are being restored to their former condition. It is important to monitor these systems and note whether they are declining or improving. One way to do this is to use the Dragonfly Biotic Index, which is based on dragonfly biogeography, their sensitivity to change, and the degree to which they are threatened.

This index is sensitive and robust and is suitable for assessing and monitoring freshwaters across the country. This manual explains how to use and apply the Dragonfly Biotic Index, while also providing guidelines for species identification.