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  Information - BG5.03 Response of aquatic ecosystems to physical, chemical, and biological disturbance (co-listed in NH)

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


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