Dear Colleagues,

The cumulative impacts of anthropogenic changes (e.g., rapid climate change and increased land use) on aquatic biodiversity and ecosystem function is a major knowledge gap in global limnology. In particular, great uncertainty exists because of various factors that often result in the observed cumulative impact of multiple stressors not equaling the sum of their known individual effects. Interactions among both the stressors and the affected species themselves are typically at the core of such non-additive stressor effects; however, several other potential drivers remain unexplored, such as the timing and duration of exposure to each stressor. For example, little is known of the sequential effects of rapidly melting alpine glaciers combined with further downstream land-use practices on aquatic ecosystems.

The aim of this special issue is to provide insights into the causal mechanisms driving the net effects of extreme and novel environmental changes (i.e., stressors) on major mountain-fed freshwater ecosystems. An integrative multi-disciplinary approach will be used to achieve this goal by including a range of contributions, spanning biogeochemistry to ecosystem ecology. Contributions will be sought that integrate the effects of various regional and local stressors, such as extreme climatic events (e.g., heat waves, drought), glacial ablation, wildfires, atmospheric pollution, and land-use practices.

Prof. Rolf D. Vinebrooke
Guest Editor

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• biogeochemistry
• bioindicators
• climate change
• community ecology
• ecosystem metabolism
• food webs
• glaciers
• habitat coupling
• human land use
• metacommunities