Environmental variation as a key process of co‐existence in flood‐meadows
作者： Wanja Mathar , Till Kleinebecker , Norbert Hölzel
DOI: 10.1111/JVS.12254
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摘要: Question How does the species composition and functional structure of flood-meadows change over time during a period with strong variations in flooding frequency height? Location Flood-meadows at northern Upper Rhine, Germany. Methods From 1998 to 2004 annually, again 2008, above-ground biomass were studied 46 permanent plots located along gradient ranging from frequently flooded Magnocaricion rarely Arrhenaterion meadows. The situated floodplain (natural) fossil on land side high winter levees (anthropogenic altered). Temporal variation was analysed based community-weighted mean traits. Results Productivity varied markedly study between floodplain. During two contrasting extreme events occurred: summer flood 1999 drought after 2003. After 1999, shifted towards wetter sites. Flooding reduced richness floodplain, but not floodplain. Conclusions Flood-meadows Rhine fully recover disturbance within frame less than 10 yr. Environmental fluctuations disturbances, enabling co-existence ecological requirements are key factor for preservation plant biodiversity flood-meadows.
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