日本草本群落的次生演替:演替优势的种子生产

Q4 Environmental Science

Japanese Journal of Ecology Pub Date : 1984-12-30 DOI:10.18960/SEITAI.34.4_375

I. Hayashi

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引用次数: 13

摘要

(Sn)的植物演替研究。或D2ff)每个种，Miseanthus sinensis除外。Sw与X之间的关系是通过将每个物种的种子相乘得到的。冬季一年生期优势的小花蒿(Oenothera parvijZora)为32.96和1.47，多年生草本期优势的大花蒿(Artemisia prineeps)为1.21和2.02。先驱者种产生的重种子数量相对较少。而冬季一年生阶段的优势种产生了大量的轻风种子。林分产生的总种子数mr2为144,222粒。E. annuus的OlO为2744,A. princeps-Oe为223408。parvij7bra。从草本群落演替的前期到后期，林分种子生物量占总生物量的比重呈下降趋势。根据每一物种的生活史类型，讨论了其产量。

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SECONDARY SUCCESSION OF HERBACEOUS COMMUNITIES IN JAPAN : SEED PRODUCTION OF SUCCESSIONAL DOMINANTS

(Sn) of plants of successional studied. or D2ff) for each species, except Miseanthus sinensis. The relationship between Sw and X was obtained by multiplying the seed of each species. censtants g and equatien of g(DH)h eana-densis and 32.96 and 1.47 for Oenothera parvijZora (dominants of winter annual stage), 1.21 and 2.02 for Artemisia prineeps (dominant of perennial herb stage). The pioneer species produced a relatively small number ofheavy seeds. Whereas dominants of thewintex annual stage produced a vast number ef light anemochere seeds. Total seed number mr2 produced by the stands were 144,222 for P. persicaria. 2,744,OlO for E. annuus and 223,408 for A. princeps-Oe. parvij7bra. The weight of seod biomass to total biornass ofthe stands decreased from pioneer to final stages of succession of herbaceous com-rnunities. The seecl production is discussed in relation to the type of lifo history of each species.

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来源期刊

Japanese Journal of Ecology Environmental Science-Ecology

CiteScore

0.10

自引率

0.00%

发文量

期刊介绍： Japanese Journal of Ecology is the offcial journal of the Ecological Society of Japan published since 1954 (from volume 4). Articles in the Journal are written in Japanese with English summaries.