Factors triggering floodplain fish emigration: Importance of fish density and food availability.
Factors triggering floodplain fish emigration: Importance of fish density and food availability.
复制标题
引发洪泛区鱼类迁徙的因素:鱼类密度和食物供应的重要性。
DOI:
10.1111/j.1600-0633.2008.00323.x
复制
发表时间:
2009
影响因子:
1.8
通讯作者:
Lucas,MartynC
中科院分区:
文献类型:
--
作者:
Louca,Vasilis;Lindsay,SteveW;Lucas,MartynC
Abstract –Emigration is a widespread phenomenon among fish species in seasonal habitats, but little is known about the factors which trigger individuals to emigrate to new habitats. In controlled experiments usingTilapia guineensis, a species widely occurring in the seasonal floodplains of West Africa, density of fish played a significant role in triggering fish migration, whereas a lack of food available caused an increase in exploratory behaviour but with no impact on successful emigration. The impact of fish density and subsequently interactions between individuals on emigration suggests that this may be an important causal factor of emigration in fish species exhibiting social interactions.
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