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      The impact of invasive knotweed species (Reynoutria spp.) on the environment: review and research perspectives

      Biological Invasions

      Springer Nature

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          Impact of invasive plants on the species richness, diversity and composition of invaded communities

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            Invasive plants have scale-dependent effects on diversity by altering species-area relationships.

            Although invasive plant species often reduce diversity, they rarely cause plant extinctions. We surveyed paired invaded and uninvaded plant communities from three biomes. We reconcile the discrepancy in diversity loss from invaders by showing that invaded communities have lower local richness but steeper species accumulation with area than that of uninvaded communities, leading to proportionately fewer species loss at broader spatial scales. We show that invaders drive scale-dependent biodiversity loss through strong neutral sampling effects on the number of individuals in a community. We also show that nonneutral species extirpations are due to a proportionately larger effect of invaders on common species, suggesting that rare species are buffered against extinction. Our study provides a synthetic perspective on the threat of invasions to biodiversity loss across spatial scales.
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              Plant Invasions and the Role of Riparian Habitats: A Comparison of Four Species Alien to Central Europe

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                Author and article information

                Journal
                Biological Invasions
                Biol Invasions
                Springer Nature
                1387-3547
                1573-1464
                August 2017
                April 21 2017
                August 2017
                : 19
                : 8
                : 2319-2337
                Article
                10.1007/s10530-017-1444-y
                © 2017

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