摘要
全球变化和贸易全球化时生物圈的影响刺激了生物入侵的加剧及它们对生态系统的后续影响。由于大陆性入侵双壳类动物对人造建筑的影响很大,所以非常重要。Limnoperna fortunei于1991年首见于新热带区域。从那时起,它就以240km/a的速度在拉普拉塔河和瓜伊巴(Guaiba)河流域内溯流散布。该种产生大型吸附的方式与Dreissena polymorpha相似。本文描述了南美一座水力发电站的L.fortunei幼虫生物学。我们提出认识该入侵种生物学是很重要的,并且有必要考虑该站每个部位的幼虫定居模式和密度,以便对大型吸附进行可持续的防止/控制。在L.fortunei最终会入侵北美和欧洲的假设条件下,本研究具有全球性意义。
The effects of global change and globalization of trade on the biosphere spur an increase in bioinvasions and their subsequent impact on ecosystems.Continental invading bivalves are important because of their impact on artificially-constructed structures.Limnoperna fortunei was first found in the Neotropical region in 1991.Since then it has dispersed upstream in the Plata and Guai'ba basins at a rate of 240 km y^(-1),This species causes macrofouling in a manner similar to that caused by Dreissena polymorpha.This paper describes the biology of L.fortunei larvae from a hydroelectric power plant in South America.We suggest the importance of knowing the biology of the invading species and the need to consider the settlement patterns and densities of larvae in each of the sectors of the facility in order to achieve a sustainable prevention/control of macrofouling.This study acquires a global significance under the assumption that L.fortunei will eventually invade North America and Europe.
