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Abstract <p>The interannual changes in the abundance of the common kingfisher on the Pra and Oka rivers and the influence of the river water regime and weather on it were studied. Two long-term periods with different levels of bird abundance were identified: a period of relatively high abundance (from 1976 to 2004) and a period of relatively low abundance (from 2005 to the present). It was found that, in the first period after high and prolonged floods, the number of birds decreased, and in low-water seasons the number reliably increased. During the second period, the number changed irregularly and did not depend on the flood parameters. The productivity and success of reproduction of birds decreases only as a result of high and prolonged summer floods.</p>

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Influence of Climatic Factors on the Number and Productivity of the Common Kingfisher Alcedo atthis (Alcedinidae)

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • Yu. V. Kotyukov

摘要

Abstract

The interannual changes in the abundance of the common kingfisher on the Pra and Oka rivers and the influence of the river water regime and weather on it were studied. Two long-term periods with different levels of bird abundance were identified: a period of relatively high abundance (from 1976 to 2004) and a period of relatively low abundance (from 2005 to the present). It was found that, in the first period after high and prolonged floods, the number of birds decreased, and in low-water seasons the number reliably increased. During the second period, the number changed irregularly and did not depend on the flood parameters. The productivity and success of reproduction of birds decreases only as a result of high and prolonged summer floods.