Nancy Wolf results 14
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Informatics for toxicokineticsNARA Subscribed
Revealing environmentally driven population dynamics of an Arctic diatom using a novel microsatellite PoolSeq barcoding approachNARA Subscribed
Summary Ecological stability under environmental change is determined by both interspecific and intraspecific processes. Particularly for planktonic microorganisms, it is challenging to follow intraspecific dynamics over space and time. We propose a new method, microsatellite PoolSeq barcoding (MPB), for tracing allele frequency changes in protist populations. We successfully applied this method to experimental community incub...
Linking above‐ and belowground responses to global change at community and ecosystem scalesNARA Subscribed
Cryptic belowground organisms are difficult to observe and their responses to global changes are not well understood. Nevertheless, there is reason to believe that interactions among above‐ and belowground communities may mediate ecosystem responses to global change. We used grassland mesocosms to manipulate the abundance of one important group of soil organisms, arbuscular mycorrhizal (AM) fungi, and to study community and ec...
Species of plants and associated arbuscular mycorrhizal fungi mediate mycorrhizal responses to CO 2 enrichmentNARA Subscribed
It has been suggested that enrichment of atmospheric CO 2 should alter mycorrhizal function by simultaneously increasing nutrient‐uptake benefits and decreasing net C costs for host plants. However, this hypothesis has not been sufficiently tested. We conducted three experiments to examine the impacts of CO 2 enrichment on the function of different combinations of plants and arbuscular mycorrhizal (AM) fungi grown under high a...
Interactions among mycorrhizae, atmospheric CO 2 and soil N impact plant community compositionNARA Subscribed
We examined plant community responses to interactions between arbuscular mycorrhizal (AM) fungi and availability of atmospheric CO 2 and soil N. Communities of 14 plant species were grown in mesocosms containing living or killed AM fungal inoculum, ambient or elevated atmospheric CO 2 and low or enriched soil N. After one growing season, significantly different plant communities existed in the different treatments. Plant speci...
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