RT @RetentionTree: #保持林業 の実証実験地より #研究成果⑨ ●トドマツ人工林に広葉樹が少量でも混交すると鳥類の個体数が大きく増加 ●伐採時に広葉樹を20-30本残すと皆伐と比べて鳥類が増加 ●少量の広葉樹保持は、木材生産効率の低下を抑えながら鳥類を効率よく…
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RT @ESABulletin: From the Photo Gallery: A recent @ESAApplications study follows a large retention experiment in northern Japan, testing e…
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From the Photo Gallery: A recent @ESAApplications study follows a large retention experiment in northern Japan, testing effects of retaining some trees, in various configurations, during harvest See more photos: https://t.co/tH7YMryjFz Read the study: h
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Sharing land via keystone structure: Retaining naturally regenerated trees may efficiently benefit birds in plantations https://t.co/FcoBhdARZ1