金沢大学角間キャンパス里山地区の開花フェノロジー

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タイトル別名
  • Flowering Phenology in the Secondary Forest of the Kakuma Campus, Kanazawa University
  • カナザワ ダイガク カクマ キャンパス サトヤマ チク ノ カイカ フェノロジー

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説明

The purpose of this study is (1) to record the flowering time of an­giosperm species in the secondary forest of the Kakuma Campus, Kanazawa Uni­versity, and (2) to examine the possibility of delimitation of a flowering season based on the combination of blooming plants. For 271 species, which are 51 % of the flora in this area, flowering times were recorded at regular intervals, once a week from March 30 to November 18, 2000. A displacement rate of blooming plants is de­fined to recognize the change in the combination of flowering species, in which a higher value of this indicates the great displacement of the constituents at this time. Several periods with the higher displacement rate were found in this study, indicating that greater parts of plants finish flowering and/or start flowering at this time. Thus it is relevant to divide a flowering season into several seasons according to the combination of blooming plants, and eight seasons were recognized. The sea­sons recognized by this method are well characterized by different life forms (Raunkiaer's classification). This indicates that delimitation of a flowering season is relevant biologically.

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