著者
Munehiro Kitazawa Yuichi Yamaura Masayuki Senzaki Kazuhiro Kawamura Masashi Hanioka Futoshi Nakamura
出版者
The Ornithological Society of Japan
雑誌
ORNITHOLOGICAL SCIENCE (ISSN:13470558)
巻号頁・発行日
vol.18, no.1, pp.3-16, 2019 (Released:2019-01-29)
参考文献数
58

Populations of birds inhabiting wetlands and grasslands are decreasing globally due to farmland expansion and subsequent agricultural intensification. In addition to conserving natural habitats, managing cultivated farmland and abandoned farmland are likely to be important future conservation measures; however, their relative suitability as avian habitat remains understudied. In this study, we evaluated five habitat types (wetland, pasture, cropland, abandoned farmland, and solar power plant) for openland birds in an agricultural landscape in central Hokkaido, northern Japan. Abandoned farmlands had bird species richness and total bird abundance values similar to those of wetlands. These values were generally higher in abandoned farmlands and wetlands than in croplands, pastures, and solar power plants. The per pair reproductive success of Stejneger's Stonechat Saxicola stejnegeri and the amount of its prey (arthropods) did not differ among the five habitat types. Three species (Black-browed Reed Warbler Acrocephalus bistrigiceps, Common Reed Bunting Emberiza schoeniclus, and Japanese Bush Warbler Cettia diphone) arrived earlier in wetlands than in other habitat types. These results suggest that, although protecting the remaining wetlands is of prime importance for the conservation of openland birds in agricultural landscapes, valuing and managing abandoned farmlands would be a promising alternative.

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An evaluation of five agricultural habitat types for openland birds: abandoned farmland can have comparative values… https://t.co/8ak8DESsqi
北海道勇払平野において、耕作放棄地に生息する鳥類について調べた論文をOrnithol Sci誌に発表しました。 鳥類の種数、個体数、繁殖成績、初渡来日、餌資源量を耕作放棄地、湿原、農地間で比較した結果、放棄地は湿原に匹敵するほどの… https://t.co/H8LQyaz4Il

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