Factors affecting the behaviour of crown-of-thorns starfish (Acanthaster planci L.) on the Great Barrier Reef: 1: Patterns of activity
Factors affecting the behaviour of crown-of-thorns starfish (Acanthaster planci L.) on the Great Barrier Reef: 1: Patterns of activity
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DOI：
10.1016/s0022-0981(97)00085-3
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发表时间：
1998-01-31
影响因子：
2
通讯作者：
Moran, PJ
中科院分区：
文献类型：
--
作者：
De'ath, G;Moran, PJ
1986年6月至1987年12月，对5749只棘冠海星（Acanthaster planci (L.)）在大堡礁15个珊瑚礁上的摄食、移动和隐栖行为进行了研究。现场数据的对数线性分析表明，这些行为受到许多重要的物理和生物因素之间复杂的相互作用的影响，包括海星的大小、它们的深度和身体状况、一天中的时间和基质类型。对于这些因素中的大多数，行为模式被证明是一致的。不管它们的大小，海星平均有45%的时间在觅食。然而，对于较小的海星（40厘米），这种模式是相反的，尽管日影响没有那么强。在较浅的深度，日变化较大(
The feeding, moving and cryptic behaviours of 5749 crown-of-thorns starfish, Acanthaster planci (L.), were studied on 15 reefs of the Great Barrier Reef between June 1986 and December 1987. Log-linear analyses of field data showed that these behaviours were influenced by complex interactions between a number of important physical and biological factors including the size of starfish, their depth and physical condition, time of day, and substratum type. For most of these factors, the patterns of behaviour were shown to be consistent across reefs. Irrespective of their size, starfish spent on average about 45% of their time feeding. However, there were strong diurnal effects with smaller starfish (40 cm) this pattern was reversed, though the diurnal effects were not as strong. Diurnal variation was greater at shallower depths (