Information - BG5.03 Response of aquatic ecosystems to physical, chemical, and biological disturbance
Event Information
Stream and river ecosystems experience numerous physical, chemical, and biological perturbations — both natural and anthropogenic in nature. For instance, the loss of structural heterogeneity can reduce retention and transformation of organic matter while land-use change increases inputs of organic matter, nutrients, contaminants, and pathogens into surface waters. The introduction of alien species can further stress these ecosystems — with ultimate consequences such as habitat degradation and reduced ecosystem health.
The aim of this session is to evaluate our current knowledge on anthropogenic perturbations across scales and their implications for biogeochemistry and ecosystem functions. Recent research has shown that local biogeochemical processes in headwaters can affect larger downstream ecosystems. Therefore, the scope of this session will encompass research ranging from headwaters to large rivers and even estuaries. Within this setting, the session welcomes presentations ranging from solute and particle transport and transformation to invasive species altering biogeochemical cycles and ecosystem functions.
Preliminary List of Solicited Speakers
Diane McKnight (INSTAAR, US)
Co-Sponsorship
Bundesministerium für Bildung, Wissenschaft und Kultur
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