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UID:69e139cd7fab8
DTSTAMP:20260416T153437
DTSTART:20130423T120000
SEQUENCE:0
TRANSP:OPAQUE
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URL:https://murmitoyen.com/events/vanille/udem/detail/220934
LOCATION:Université de Montréal - Pavillon Marie-Victorin\, 90\, avenue V
 incent-d'Indy\, Montréal\, QC\, Canada\, H2V 2S9
SUMMARY:Agriculture land use effects on riverine ecosystem structure and fu
 nction
DESCRIPTION:Conférence de Marguerite A. Xenopoulos\, professeure associée
  au Département de Biologie de Trent University.Résumé In all inhabited
  regions of the world\, rivers are experiencing many and often irreversibl
 e changes from intensive land use. Here\, I will examine the effects of on
 e predominant land use\, agriculture\, on ecosystem structure and ecologic
 al function of streams and rivers of Ontario\, Canada. We have found agric
 ulture land use to alter the structure of communities (e.g.\, algae\, macr
 oinvertebrates\, fish\, fungal biomass) and the services (function) that t
 hey provide (e.g.\, nutrient recycling\, decomposition\, denitrification).
  Many of these changes result from the high nutrient concentrations that a
 ccompany overfertilization of agriculture lands. Furthermore\, the process
 ing of organic carbon appears to be greater in the highly productive\, agr
 icultural streams\, which further changes the quality of the organic matte
 r and ultimately stream ecological function.Conférence présentée par le
  Département de sciences biologiques de l’Université de Montréal dans
  le cadre de la série « Midi Écologique ».
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