PLANT STRATEGIES AND SECONDARY SUCCESSION ON BRITTANY HEATHLANDS AFTER SEVERE FIRE

被引：47

作者：

CLEMENT, B

TOUFFET, J

机构：

[1] Labor atoire d'Ecologie végétale, U.A. C.N.R.S. 696, Univ er sité de Rennes, Rennes

来源：

JOURNAL OF VEGETATION SCIENCE | 1990年 / 1卷 / 02期

关键词：

Inhibition model; Life history; Secondary succession; Vital attribute;

D O I：

10.2307/3235658

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Abstract. Plant succession on heathlands subjected to major fire disturbance and humus burn in 1976 was studied over twelve years following burning. Life history strategies of principal heathland species are described with reference to concepts outlined by Grime (1979) and Whittaker & Goodman (1979). Heathlands and closely related communities are characterised by dominance of speciestolerant of physical stress (‘S’ strategists) whereas species which colonise disturbed sites are closer to rude‐rals (‘R’ strategists). After severe burning three main successional patterns were identified. They depend on water and nutrient availability relative to temporal population dynamics. Recovery of heathland is often retarded due to monospecific dominance, e.g. of Polytrichum commune, Molinia caerulea and Betula pubescens. These patterns of secondary succession illustrate the inhibition model advanced by Connell & Slatyer (1977). 1990 IAVS ‐ the International Association of Vegetation Science

引用

页码：195 / 202

页数：8

共 49 条

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