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首页> 外文期刊>Estuarine Coastal and Shelf Science >Effects of different types of mechanical disturbances on a charophyte dominated macrophyte community
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Effects of different types of mechanical disturbances on a charophyte dominated macrophyte community

机译：不同类型的机械干扰对以藻类为主的大型植物群落的影响

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摘要

Charophytes are unique and endangered macroalgae. Mechanical stress is known to damage charophyte communities, however, virtually nothing is known how such disturbance affect seasonal succession and recovery of charophyte communities. We examined the response of a shallow water charophyte community to different types and timing of disturbances by conducting seasonal in situ field experiment in a brackish water ecosystem. The disturbances associated with mechanical removal of vegetation or sediment had the largest impact on the charophyte community. Disturbances that only partly damaged the plants had minor effects and communities were characterized by fast recovery. The timing of disturbance had significant effects on the charophyte community with stronger effects when disturbed at the early stage compared to mid-stage of seasonal succession.
机译：藻类是独特且濒临灭绝的大型藻类。已知机械应力会破坏食盐菌群落，但是，几乎没有人知道这种扰动如何影响食盐菌群落的季节性演替和恢复。我们通过在咸淡水生态系统中进行季节性的原位野外实验，研究了浅水藻类群落对不同类型和干扰时间的响应。机械清除植被或沉积物带来的干扰对风生植物群落的影响最大。仅部分破坏植物的干扰影响较小，社区的特征是快速恢复。与季节性演替的中期相比，扰动的时机对生虫群落具有显着的影响，在早期受到扰动的影响更大。

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