Genetic structure of outbreaking and non-outbreaking crown-of-thorns starfish (Acanthaster planci) populations on the Great Barrier Reef

摘要: The study used population genetic data to test whether outbreaks of crown-of-thorns starfish (Acanthaster planci) on the Great Barrier Reef (GBR) are largely derived from a single outbreak or independent events. consequences different modes for differentiation and gene flow were predicted then compared with those estimated set 8 outbreaking 5 non-outbreaking populations sampled in 1986 1987. level inter-population variation observed among was less than that greater populations. Greater not consistent hypothesis events, but number being secondary. Estimates which took account aspects sampling error demonstrated significant levels subdivision lack populations, given also inconsistent indenpendent allozyme insufficient identify clearly individual might have been result an outbreak. It is concluded majority probably secondary derivatives primary occurring northern part Central Section GBR, although possibility small independently main cannot be excluded.