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Fig. 2 | BMC Ecology

Fig. 2

From: Spatial patterns of genetic diversity, community composition and occurrence of native and non-native amphipods in naturally replicated tributary streams

Fig. 2

Abundance of amphipod species in 13 tributary streams of Lake Constance in 2012 (a) and 2013 (b). Abundance (log[n + 1]) is given for each species relative to the sampling sites’ upstream distance from lake (stream outlet). Gammarus roeseli and Dikerogammarus villosus are non-native species, while the three other species are natives

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