Fruiting phenology and seed dispersal syndromes in caatinga, a tropical dry forest in the northeast of Brazil

被引：142

作者：

Griz, LMS ^{[1
]}

Machado, ICS ^{[1
]}

机构：

[1] Univ Fed Pernambuco, Dept Bot, BR-50372970 Recife, PE, Brazil

来源：

JOURNAL OF TROPICAL ECOLOGY | 2001年 / 17卷

关键词：

caatinga; diaspore; dispersal syndromes; dry forest; life form; seasonality; seed dispersal;

D O I：

10.1017/S0266467401001201

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

This study describes the fruiting phenology of woody plants and their dispersal syndromes in caatinga (semi-arid region in the northeast of Brazil). The fruiting phenology of 42 species with different dispersal modes and life-forms was followed over a period of 1 y. Animal dispersal was the most commonly observed dispersal mode (36%), followed by anemochory (33%), ballistic dispersal (19%) and barochory (12%). Overall, a greater number of species fruited during the rainy season. Zoochorous species were the most representative in the rainy season, whereas anemochorous species predominated during the dry season. Five different life-forms were observed, and the occurrence of dispersal modes was discussed for each of them. In the caatinga plant community studied the patterns of life-forms, fruiting phenology and seed dispersal syndromes were similar to other tropical seasonal ecosystems.

引用

页码：303 / 321

页数：19

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