Grassland aridification threatens biodiversity which supports ecosystem multifunctionality (EMF), but the relative roles of biota in maintaining EMF are poorly known. A new study in PLoS Biology finds complementarity of above- and belowground biodiversity and a trade-off between fungal and plant richness in driving EMF with aridity.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11326592 | PMC |
http://dx.doi.org/10.1371/journal.pbio.3002765 | DOI Listing |
Soil nutrients and meteorological conditions are pivotal environmental factors influencing plant growth and development. This study systematically analyzes how soil nutrients and meteorological factors influence the phenotypic growth and seed production of wild Elymus nutans in Tibet. These environmental factors are critical ecological determinants, and this research seeks to unveil the complex and diverse ecological adaptation mechanisms of the species.
View Article and Find Full Text PDFAnn Bot
December 2024
School of Biological Sciences, University of Hong Kong, Pokfulam, Hong Kong.
Background And Aims: Tropical forests exchange more carbon dioxide (CO2) with the atmosphere than any other terrestrial biome. Yet, uncertainty in the projected carbon balance over the next century is roughly three-times greater for the tropics than other ecosystems. Our limited knowledge of tropical plant physiological responses, including photosynthetic, to climate change is a substantial source of uncertainty in our ability to forecast the global terrestrial carbon sink.
View Article and Find Full Text PDFCommun Earth Environ
November 2024
Department of Civil Engineering, Schulich School of Engineering, University of Calgary, Calgary, AB Canada.
The Budyko water balance is a fundamental concept in hydrology that links aridity to how precipitation is divided between evapotranspiration and streamflow. While the model is powerful, its ability to explain temporal changes and the influence of human activities and climate change is limited. Here we introduce a causal discovery algorithm to explore deviations from the Budyko water balance, attributing them to human interventions such as agricultural activities and snow dynamics.
View Article and Find Full Text PDFSci Total Environ
December 2024
Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture and Rural Affair, Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Eco-nomic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China. Electronic address:
Drought and local habitat alteration are major environmental stressors shaping the aquatic biota in dryland rivers. However, the combined effects of these factors on aquatic biodiversity remain poorly understood. We collected macroinvertebrate data from Central Asian dryland rivers in Xinjiang, China, from 2012 to 2022, to investigate the individual and interactive effects of drought (as indicated by increasing values of Aridity, AI) and local habitat conditions (fine sediments, velocity and pH) on aquatic macroinvertebrate functional trait composition and diversity.
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