Gerlach Justin
Nature Protection Trust of Seychelles, 133 Cherry Hinton Road, Cambridge CB1 7BX, UK.
Biol Lett. 2007 Oct 22;3(5):581-4. doi: 10.1098/rsbl.2007.0316.
The only known population of the Aldabra banded snail Rhachistia aldabrae declined through the late twentieth century, leading to its extinction in the late 1990s. This occurred within a stable habitat and its extinction is attributable to decreasing rainfall on Aldabra atoll, associated with regional changes in rainfall patterns in the late twentieth and early twenty-first century. It is proposed that the extinction of this species is a direct result of decreasing rainfall leading to increased mortality of juvenile snails.
已知的阿尔达布拉带纹蜗牛(Rhachistia aldabrae)唯一种群数量在20世纪后期不断减少,最终在20世纪90年代末灭绝。这一现象发生在一个稳定的栖息地内,其灭绝归因于阿尔达布拉环礁降雨量的减少,这与20世纪末和21世纪初降雨模式的区域变化有关。据推测,该物种的灭绝是降雨减少导致幼体蜗牛死亡率增加的直接结果。