Ecological conditions favoring budding in colonial organisms under environmental disturbance.
Ecological conditions favoring budding in colonial organisms under environmental disturbance.
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DOI：
10.1371/journal.pone.0091210
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发表时间：
2014
期刊：
影响因子：
3.7
通讯作者：
Tsuji K
中科院分区：
文献类型：
--
作者：
Nakamaru M;Takada T;Ohtsuki A;Suzuki SU;Miura K;Tsuji K
扩散是生态学中一个非常有趣的话题。许多生物在繁殖时采取两种不同的传播策略之一：产生可以远距离传播的小后代（如种子和产卵），或萌芽。后者在一些群体生物中观察到，如克隆植物、珊瑚和蚂蚁，其中（超级）生物将其身体分裂成相对较大的组成部分，分散到很短的距离。与常见的扩散观点相反，即使在频繁干扰的环境中，短期扩散的殖民生物也经常蓬勃发展。在本文中，我们调查的条件下，有利于出芽的小距离扩散，侧重于生活史的殖民地的增长和殖民地分裂比。这些条件是非常小的殖民地的相对高的死亡率，逻辑增长，分散者和平地寻找和解决未占用的空间的能力，以及小的空间尺度的环境干扰。如果这些条件保持，即使在环境干扰频繁的情况下，出芽也是有利的。这些结果表明，群体的人口或生活史的殖民地的殖民生物的行为。
Dispersal is a topic of great interest in ecology. Many organisms adopt one of two distinct dispersal tactics at reproduction: the production of small offspring that can disperse over long distances (such as seeds and spawned eggs), or budding. The latter is observed in some colonial organisms, such as clonal plants, corals and ants, in which (super)organisms split their body into components of relatively large size that disperse to a short distance. Contrary to the common dispersal viewpoint, short-dispersal colonial organisms often flourish even in environments with frequent disturbances. In this paper, we investigate the conditions that favor budding over long-distance dispersal of small offspring, focusing on the life history of the colony growth and the colony division ratio. These conditions are the relatively high mortality of very small colonies, logistic growth, the ability of dispersers to peacefully seek and settle unoccupied spaces, and small spatial scale of environmental disturbance. If these conditions hold, budding is advantageous even when environmental disturbance is frequent. These results suggest that the demography or life history of the colony underlies the behaviors of the colonial organisms.
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影响因子：
2
作者：
Ono, S;Misawa, K;Tsuji, K
通讯作者：
Tsuji, K
影响因子：
2.8
作者：
Gyllenberg, Mats;Kisdi, Eva;Utz, Margarete
通讯作者：
Utz, Margarete
影响因子：
1.4
作者：
Gyllenberg, Mats;Kisdi, Eva;Utz, Margarete
通讯作者：
Utz, Margarete
DOI：
10.1098/rspb.2000.0993
发表时间：
2000-02-07
影响因子：
4.7
作者：
Heinsohn, R;Dunn, P;Double, M
通讯作者：
Double, M
影响因子：
2.1
作者：
Gardner, A.;West, S. A.
通讯作者：
West, S. A.