Germination and regeneration mechanisms in Mediterranean degenerate forests.
Germination and regeneration mechanisms in Mediterranean degenerate forests.
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DOI：
10.2307/3236110
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发表时间：
1993-04
影响因子：
2.8
通讯作者：
R. Bacilieri;M. Bouchet;D. Bran;M. Grandjanny;M. Maistre;P. Perret;F. Romane
中科院分区：
文献类型：
--
作者：
R. Bacilieri;M. Bouchet;D. Bran;M. Grandjanny;M. Maistre;P. Perret;F. Romane
萌发和发育行为在少年阶段的重要性有关的演替机制作用于植物群落。在地中海地区尤其如此，那里的夏季气候干旱造成了压力。本文对法国地中海地区南部和北方的4个树种的萌发和发育进行了调查和比较。在这两个地区，原来的优势树种毛栎（Quercus pubescens）在很大程度上已被冬青（Quercus ilex）和板栗（Castaneasativa）所取代。观察到的发芽率和发育行为的差异，特别是芽：根比和供水的作用，表明其他物种可能最终取代目前的优势物种。
Germination and developmental behaviour during juvenile stages are of importance in relation to succession mechanisms acting on plant communities. This is particularly so in the Mediterranean region, where the climatic summer drought causes stress. We investigated and compared germi- nation and development of four tree species in two parts of the French Mediterranean region where the original dominant tree species (Quercus pubescens) has been largely replaced by Quercus ilex in the southern part, and Castanea sativa in the northern part. Observed differences in germination rates and developmental behaviour, especially shoot:root ratio and the role of water supply, suggest that other species may eventually replace the current dominant species.