DISPERSAL OF SEEDS AS NEST MATERIAL BY BIRDS IN SEMIARID KAROO SHRUBLAND

被引：35

作者：

DEAN, WRJ ^{[1
]}

MILTON, SJ ^{[1
]}

SIEGFRIED, WR ^{[1
]}

机构：

[1] UNIV CAPE TOWN,DEPT BOT,RONDEBOSCH 7700,SOUTH AFRICA

来源：

ECOLOGY | 1990年 / 71卷 / 04期

关键词：

D O I：

10.2307/1938267

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Seeds of 55 species of plants were incorporated into the nests of 31 common bird species in the semiarid shrubland of the southern Karoo, South Africa. However, only 3 plant species were used abundantly by a variety of birds. Nest lining and structural materials included many viable seeds. Birds facilitated directed dispersal of the creeper Galium tomentosum to sites near trees, and moved shrub seeds away from conspecifics. Plant species with cottony seed coverings (eg Eriocephalus) or indehiscent fruits on woolly or branched peduncles, such as G. tomentosum, are probably adapted for directed dispersal by birds as nest material. -from Authors

引用

页码：1299 / 1306

页数：8

共 18 条

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[2]

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[3]

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[4]

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[5]

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[6]

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[8]

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[9]

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[10]

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