A review of the sampling methods used in aerial survey
Reviews procedures for obtaining reliable information on animal populations, other ecological features and land use generally from low-flying aircraft by direct observation or conventional photography, with reference to types of sampling unit, and the relative merits of unstratified systematic and s...
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| Format: | Libro |
| Language: | Inglés |
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International Livestock Centre for Africa
1981
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| Online Access: | https://hdl.handle.net/10568/4214 |