著者
倉沢 康大 本田 聡 綿貫 豊
出版者
日本鳥学会
雑誌
日本鳥学会誌 (ISSN:0913400X)
巻号頁・発行日
vol.60, no.2, pp.216-227, 2011 (Released:2011-10-26)
参考文献数
44
被引用文献数
4 6

A survey of the at-sea distributions of 1) planktivorous Short-tailed Shearwater Puffinus tenuirostris, migrating to their northern summering area and 2) piscivorous Rhinoceros Auklet Cerorhinca monocerata, breeding in the northern Sea of Japan off Hokkaido, was carried out by ship, from 16 to 28 May 2008. Avian censuses were combined with: acoustic surveys aimed at measuring prey density, and sea surface temperature (SST) surveys. Surface Chlorophyll a distribution was obtained using satellite imagery. The density of shearwaters was correlated positively with 200 kHz SA (the index of density of zooplankton including krill) at the 10 km scale, and 200 kHz SA was correlated negatively both with SST and Chlorophyll a. However, shearwater densities were not correlated significantly with SST and Chlorophyll a. The result suggest that migrating shearwaters may be able to find patches of krill in cold water. In contrast, the density of Rhinoceros Auklets was not correlated with 38 kHz SA (the index of pelagic fish density) or 200 kHz SA at any scale.

言及状況

外部データベース (DOI)

Twitter (1 users, 1 posts, 2 favorites)

@wildbirdin @Daption_r あとは自分の論文なのでお恥ずかしいですが、北海道の日本海側の例でもやはり低水温帯に分布が集中していて、動物プランクトンの分布ととハシボソの分布が一致する例もあります。https://t.co/w36YOn4FbT

収集済み URL リスト