Techniques for Field Survey of the Eastern Red Sea

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by Alec R. Dawson Shepherd, Tropical Marine Research Unit Ltd, York, England,
Rupert F. G. Ormond, Tropical Marine Research Unit Ltd, York, England,

Document Type: Proceeding Paper

Part of: Coastal Zone '87:

Abstract: A system for generating a large scale resource inventory using a framework of geographically discrete site assessment quadrats has been used for a survey of the Eastern Red Sea. The quadrat framework provides comparative ground-truthed information on the geographic distribution and abundance of selected habitats, species, and human impacts. The system is flexible both in area of coverage (increasing number of quadrats) and in detail of examination (sub-sampling within quadrats). Within a given budget it partly mitigates the main criticism of remote sensing (that it needs ground-truthing) and intensive survey (that it gives no opportunity to develop a broad scale picture). Both criticisms are particularly telling when trying to develop broad-scale coastal zone management plans and in identifying represenative, or unusual, areas for more detailed investigation.

Subject Headings: Seas and oceans | Geomatic surveys | Remote sensing | Field tests | Ecosystems | Inventories | Frames | Red Sea | Middle East | Yemen | Saudi Arabia

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