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Plant Species Richness and the Root Economics Space Drive Soil Fungal Communities.
Ecol Lett
January 2025
Systematic Botany and Functional Biodiversity, Institute of Biology, Leipzig University, Leipzig, Germany.
Trait-based approaches have been increasingly used to relate plants to soil microbial communities. Using the recently described root economics space as an approach to explain the structure of soil-borne fungal communities, our study in a grassland diversity experiment reveals distinct root trait strategies at the plant community level. In addition to significant effects of plant species richness, we show that the collaboration and conservation gradient are strong drivers of the composition of the different guilds of soil fungi.
View Article and Find Full Text PDFCentral Taxa Are Keystone Microbes During Early Succession.
Ecol Lett
January 2025
Department of Biology, University of Miami, Coral Gables, Florida, USA.
Microorganisms underpin numerous ecosystem processes and support biodiversity globally. Yet, we understand surprisingly little about what structures environmental microbiomes, including how to efficiently identify key players. Microbiome network theory predicts that highly connected hubs act as keystones, but this has never been empirically tested in nature.
View Article and Find Full Text PDFNon-Analog Behaviour of Eastern African Herbivore Communities During the Last Glacial Period.
Ecol Lett
January 2025
Department of Anthropology, University of Utah, Salt Lake City, Utah, USA.
Modern African ungulates navigate seasonal variation in resource availability through diet-switching (primarily mixed-feeders) and/or migrating (primarily grass grazers). These ecological generalisations are well-documented today, but the extent to which they apply to the non-analog ecosystems of the Pleistocene are unclear. Drawing from serially-sampled stable isotope measurements from 18 Kenyan large herbivore species from the Last Glacial Period (LGP), we evaluate how diet, diet-switching, and migration compare to observations from present-day settings.
View Article and Find Full Text PDFCurrent and Historical Resource Nitrogen Supply Affects the Eco-Physiological Traits and the Ionome of a Diazotrophic Cyanobacterium.
Ecol Lett
January 2025
Center for Reservoir and Aquatic System Research, Baylor University, Waco, Texas, USA.
Diazotrophic cyanobacteria can overcome nitrogen (N)-limitation by fixing atmospheric N; however, this increases their energetic, iron, molybdenum, and boron costs. It is unknown how current and historic N-supplies affect cyanobacterial elemental physiology beyond increasing demands for elements involved in N-fixation. Here, we examined the changes in pigment concentrations, N-storage, and the ionome (i.
View Article and Find Full Text PDFAn Experimental Validation Test of Ecological Coexistence Theory to Forecast Extinction Under Rising Temperatures.
Ecol Lett
January 2025
Department of Biology, University of Oxford, Oxford, UK.
Interactions between species pose considerable challenges for forecasting the response of ecological communities to global changes. Coexistence theory could address this challenge by defining the conditions species can or cannot persist alongside competitors. However, although coexistence theory is increasingly deployed for projections, these frameworks have rarely been subjected to critical multigenerational validation tests.
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