Seasonal Difference in Carcass Persistence Rates at Wind Farms with Snow, Hokkaido, Japan

Masato Kitano; Masafumi Ino; K. Shawn Smallwood; Saiko Shiraki

doi:10.2326/osj.19.63

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31 January 2020 Seasonal Difference in Carcass Persistence Rates at Wind Farms with Snow, Hokkaido, Japan

Masato Kitano, Masafumi Ino, K. Shawn Smallwood, Saiko Shiraki

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Ornithological Science, 19(1):63-71 (2020). https://doi.org/10.2326/osj.19.63

Abstract

Carcass persistence rates strongly affect estimation of avian fatalities resulting from collisions with wind turbines. Our aim was to compare bird carcass persistence rates based on trials during different seasons at wind farms where the ground was snow covered in winter. Carcass persistence was found to be considerably shorter during late winter than during summer/autumn, and was considered to result from food shortages for terrestrial vertebrate scavengers during winter, and the higher visibility of carcasses resting on snow-covered ground in late winter. It is critical to represent carcass persistence rates in different seasons at wind farms.

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Masato Kitano, Masafumi Ino, K. Shawn Smallwood, and Saiko Shiraki "Seasonal Difference in Carcass Persistence Rates at Wind Farms with Snow, Hokkaido, Japan," Ornithological Science 19(1), 63-71, (31 January 2020). https://doi.org/10.2326/osj.19.63

Received: 13 September 2018; Accepted: 30 April 2019; Published: 31 January 2020

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