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Citations since 2016
4 Research Items
Ciliates are unicellular heterotrophic organisms that play a key role in aquatic planktonic and benthic food webs. Advances in sedimentary DNA (sed-DNA) analysis offer the possibility to integrate these bioindicators in paleoenvironmental reconstructions. In this study, we used the top–bottom paleolimnological approach and metabarcoding techniques...
Ciliates are unicellular heterotrophic organisms that play a key role in the planktonic and benthic food webs of lakes, and represent a great potential as bioindicator. In this study, we used the top-bottom paleolimnological approach to compare the recent and past (i.e. prior to major anthropogenic impacts) ciliate communities of 48 lakes located a...
Inputs of glacial meltwater and changes in climate can profoundly influence lake ecosystems. Anderson and Seton lakes, two morphologically and chemically similar fjord lakes within the Fraser River Basin, British Columbia, experience a common biogeoclimatic setting, yet contrasting turbid-water influences from a hydroelectric development which dive...
The increasing rate of glacier retreat and turbid glacial runoff can have a strong influence on freshwater ecosystems. Seton and Anderson lakes (British Columbia, Canada) are sockeye salmon (Oncorhynchus nerka) nursery systems. Since the 1940s, the Bridge River Diversion (BRD) introduced glacially turbid water into Seton Lake. To assess the impact...
Multiproxy analysis on three sediment cores collected along the length of the main basin of Babine Lake and two from the northern arms to assess changes in the pelagic production of the lake over the past ~200 years. All cores were dated and analysed for changes in algal production (inferred from sedimentary pigments, diatom and scaled chrysophytes fossils), and cladoceran zooplankton production (inferred from cladoceran fossils). Stable isotopes of carbon and nitrogen, elemental analysis of carbon and nitrogen, and organic content of sediments, are also used.
This tool is an updated and comprehensive database about the scientific literature related to sed-ancient-DNA studies. This initiative comes from the sedaDNA scientific society https://ercapo.wixsite.com/sedadna-society
Investigating the impact of hydroelectric generation facilities, including the diversion of a silt-laden river into a Sockeye salmon nursery lake, using a retrospective paleoecological approach, and an upstream reference lake, to understand, if the diversion resulted in changes in primary and secondary producers in the lake, that could adversely impact salmon.