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Inventory and Monitoring of Sahelian Ecosystems Annex 3: Use of Light Aircraft in the Inventory and Monitoring of Sahelian Pastoral Ecosystems - GEMS Sahel Series No. 3
(1988)
This manual introduces the concept of using light aircraft for ecological monitoring, and briefly discusses various techniques other than that of the systematic low—level reconnaissance flight (SRF), whose description and ...
Inventory and Monitoring of Sahelian Pastoral Ecosystems Annex 4: Sampling the Sahel - GEMS Sahel Series No. 4
(1988)
The present document, the fourth in the series, is divided into two parts. The first part of this report defines terms used in vegetation sampling, and discusses both the general strategies for sampling vegetation in the ...