How Fast Does the Steppe Eagle Population Decline?: Survey Results from Eilat, Israel
In the years 2014 to 2018 the average Steppe Eagle passage was 15039 per year. The standard deviance was 1656.8 which highlight the high effectiveness of the counting method. In the years of 1977 to 1988 (5 survey years) an average passage of 18821 Steppe Eagles was counted, with a standard deviance...
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| 主要作者: | |
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| 格式: | Artigo |
| 語言: | Inglês |
| 出版: |
LLC Sibecocenter
2018-10-01
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| 叢編: | Пернатые хищники и их охрана |
| 主題: | |
| 在線閱讀: | http://rusraptors.ru/index.php/RC/article/view/161 |
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