- About
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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 1 to 2 of 2 (0.042 seconds)Spelling suggestions: "subject:"sailfin molle"" "subject:"sailfin holly""
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Influence of Experimental Sheet Flow on Aquatic Foods Webs of the Central EvergladesBornhoeft, Sarah C. 01 July 2016 (has links)
Establishing historical water velocities is a goal of Everglades restoration because of their role maintaining landscape topographic relief. However, flows may also change the trophic state of marshes by phosphorus loading. I used fatty acid (FA) and stoichiometric data to quantify how increased sheet flow altered the relative heterotrophic and autotrophic contributions to aquatic consumers in a field experiment that introduced flowing water to an Everglades marsh in November, 2014. Algal taxonomic composition was different between pre-flow and flow sampling, marked by increases in the nutrient exploiting Mougeotia species (green algae) during flow sampling. Dietary tracer FAs in consumers reflected changes in algal resources, including an increase in green algae-derived and a decrease in bacteria-derived FAs. These food web responses indicate that establishing historic water velocity in degraded wetlands can shift the origins of organic matter from a more detrital to more algal supported web.
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Liens entre la personnalité, la plasticité comportementale et la cognition : expériences chez le Diamant mandarin (Taeniopygia guttata) et le Molly voile (Poecilia latipinna)Gibelli, Julie 12 1900 (has links)
No description available.
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