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Changes in plant–fungal interactions were often suggested as one of possible mechanisms behind facilitative plant–plant effects in harsh environments. We asked how the mycorrhizal and dark septate endophyte (DSE) colonisations of understorey crowberry (Empetrum nigrum ssp. hermaphroditum) are affected by proximity to mature mountain birch trees (Betula pubescens ssp. czerepanovii) along three abiotic...
Altitudinal gradients are frequently used to study environmental effects on species diversity. Recent quantitative studies on Lepidoptera focussed on tropical mountain systems and often reported unimodal diversity peaks at “mid-elevations”;, a pattern also often found in other taxa. Here we used methodologically comparable, nocturnal Macrolepidoptera samples from the Swiss Alps to analyze environmental...
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