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Flora of the Ashoro Research Forest, Kyushu University

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Abstract 北海道東部に位置する九州大学農学部附属演習林北海道演習林内において2017 年から2019 年にかけて冷温帯性落葉広葉樹林,カラマツを主体とする人工林,林縁と土場を踏査し,維管束植物の植物相(フロラ)を記録した。その結果,シダ植物51 種,裸子植物14 種,被子植物491 種の合計556 種が確認された。このうち環境省の定める準絶滅危惧(NT)は3種,絶滅危惧II 類(VU)は17 種,絶滅危惧I...B 類(En)は2種,絶滅危惧IA 類(CR)は1種が含まれていた。1951 年に北海道演習林で実施された植物相調査と比べて,本調査で確認できなかった種は74 種あり,本調査で新たに確認された種は226 種あった。新たに確認された植物のうち66 種が外来種であり,そのほとんどが林縁や路肩,土場に分布し森林内に進出するものは少なかった。
Flora of vascular plant in Ashoro Research Forest, Kyushu University located in eastern Hokkaido Island was surveyed. During 2017 to 2019, the cool temperate deciduous forest, conifer plantations, forest edge, road shoulder and timber yard were investigated. A total of 556 species including 51 pteridophtes, 14 gymnosperms and 491 angiosperms were recorded. This flora list included 3 near threatened species, 17 vulnerable species, 2 endangered species and 1 critically endangered species. Compared to the 1951’ survey, 226 species were newly recorded, whereas 74 species were not observed. The number of alien species increased from 21 to 66, although they distribute only in forest edge, road shoulder and timber yard.
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Created Date 2020.06.03
Modified Date 2021.03.03

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