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UID:20250706T121406EDT-5134adXIO5@132.216.98.100
DTSTAMP:20250706T161406Z
DESCRIPTION: \n\nDr. Mary-Cathrine Leewis from Agriculture and Agri-food Ca
 nada\, will discuss the ecology and community assembly of soil microorgani
 sms as influenced by climate\, time\, and space in chronosequences of gras
 sland and Arctic permafrost ecosystems.\n\nAbstract: Microbial communities
  are present throughout soil profiles and play a critical role in soil org
 anic matter (SOM) and nutrient cycling. By improving our understanding of 
 the relationship between soil development\, soil depth\, and microbial com
 munities we may provide insight to the critical role microbes play in cycl
 ing and preservation of SOM. Additionally\, further understanding how the 
 interaction of climate and time shape the dynamics of SOM storage and pres
 ervation may allow for more mechanistic predictions of the response of soi
 l communities to change\, such as landscape-scale changes in available moi
 sture or temperature regimes. Results from three diverse soil chronosequen
 ces highlight how differences in both past and current climates shape the 
 interaction of soil development\, SOM\, and microbial community compositio
 n. I will present work which suggests that knowledge of soil development a
 nd community position relative to distinct pedogenic features is important
  for explaining variations in microbial communities and associated storage
  of SOM\n\nAfter the seminar we will have a pizza lunch open to all!\n\nWa
 tch on Zoom \n\nAbout the speaker\n\nDr. Mary-Cathrine Leewis\n\nResearch 
 Scientist\, Agriculture Agri-Food Canada\; Quebec Research and Development
  Centre\n\nDr. Mary-Cathrine Leewis received her Ph.D. in Biological Scien
 ces (Microbial Ecology) from the University of Alaska Fairbanks in 2014. F
 rom 2014 to 2016\, Dr. Leewis completed a postdoctoral program at UAF expl
 oring the influence of plant secondary metabolites on soil microbial commu
 nities. From 2016 – 2021\, Dr. Leewis was a Research Microbiologist with t
 he U.S. Geological Survey\, where she studied microbial survival and carbo
 n metabolism in ancient permafrost\, and phytoremediation of mining waste.
  In 2021\, Dr. Leewis joined Agriculture and Agri-Food Canada at the Quebe
 c Research and Development Centre as a Research Scientist. Her research fo
 cuses on the interrelationships between crops and the soil microbiome.\n
DTSTART:20221124T164500Z
DTEND:20221124T174500Z
LOCATION:MS2-022 Faculty Lounge\, Macdonald-Stewart Building\, CA\, QC\, St
  Anne de Bellevue\, H9X 3V9\, 21111 Lakeshore Road
SUMMARY:NRS Invited Seminar Series: Time\, climate\, and soil development i
 nteract to shape microbial communities
URL:/macdonald/channels/event/nrs-invited-seminar-seri
 es-time-climate-and-soil-development-interact-shape-microbial-communities-
 343452
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