4.4 Article

Mass of white stork nests predicted from their size: Online calculator and implications for conservation

期刊

JOURNAL FOR NATURE CONSERVATION
卷 60, 期 -, 页码 -

出版社

ELSEVIER GMBH
DOI: 10.1016/j.jnc.2021.125967

关键词

Animal architecture; Conservation project; Ciconia ciconia; Human-wildlife conflict; Wildlife management

资金

  1. European Commission under the LIFE fund [LIFE15 NAT/PL/000728]

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Researchers in eastern Poland conducted a study on white stork nests, measuring their physical characteristics and developing an online calculator to estimate nest weights, which has broad applications in management and ecological research.
Ecologists and wildlife managers require useful tools to reduce the human-wildlife conflict. So far, little attention has been paid to the damage caused by avian nesting on man-made structures. We weighed 145 occupied nests of the white stork (Ciconia ciconia) in eastern Poland and applied general linear models (multiple regressions) to predict a nest?s mass from its measurements. Nests measured showed large variation in size (mean ? SD = 140.9 ? 23.7 cm, range: 80?230 cm in diameter; 59.7 ? 27.8 cm, range: 10?140 cm in height) and weighted 70?1348 kg (mean ? SD: 378 ? 251 kg). We set up a free online calculator which uses model equations to estimate nest masses given nest dimensions. Apart from the management application, it can be used in ecological research, e.g. nests tracked over subsequent seasons, and even into account weather data to assess the effect of climate change.

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