The role of the brown-eared bulbulHypsypetes amaurotis as a seed dispersal agent

The role of the brown-eared bulbulHypsypetes amaurotis as a seed dispersal agent
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棕耳鹎作为种子传播剂的作用

DOI:
10.1007/bf02515822
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发表时间:
1995
期刊:
Researches on Population Ecology
影响因子:
--
通讯作者:
A. Fukui
A. Fukui
中科院分区:
--
文献类型:
--
作者:
A. Fukui

文献摘要

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通过两年的实地观察,与种子萌发的实验室实验平行,研究了棕耳白头翁,Hypsypetes amaurotis,作为种子的种子的传播剂的作用。鳞茎果实的种类有24科53种。这些植物的果实颜色和大小相似,这些特征可能会提高食果动物的摄食效率。对20种食用植物的实验室实验表明:(1)通过白头翁的肠道没有种子受到伤害;(2)通过白头翁的肠道的种子仍然能够发芽;(3)果肉降低发芽能力。当果肉通过通过白头翁的肠道,或用手去除,发芽提高。对六种球茎的家域的估计表明,它们可以将种子运输至少300米。
The role of the brown-eared bulbul,Hypsypetes amaurotis, as a dispersal agent for seeds of fruiting plants was studied by field observations for two years, in parallel with laboratory experiments on seed germination. Bulbuls consumed fruits of 53 species from 24 plant families. The fruits of these plants had similar color and size, and these characteristics were likely to enhance the feeding efficiency of the frugivore. Laboratory experiments on 20 food plant species demonstrated that: (1) no seeds were injured by passing through the bulbul's gut; (2) seeds that had passed through the bulbul's gut were still able to germinate and (3) fruit pulp reduced germination ability. When pulp was removed by passing through bulbul's gut, or by hand, germination was improved. An estimate of the home range of six bulbuls suggested that they may transport seeds for at least 300 m.