Rapid climate change at the end of the Permian Period (~252 million years ago) is the hypothesized trigger for the largest mass extinction in Earth's history. We present model simulations of the Permian/Triassic climate transition that reproduce the ocean warming and oxygen (O) loss indicated by the geologic record. The effect of these changes on animal survival is evaluated using the Metabolic Index (Φ), a measure of scope for aerobic activity governed by organismal traits sampled in diverse modern species. Modeled loss of aerobic habitat predicts lower extinction intensity in the tropics, a pattern confirmed with a spatially explicit analysis of the marine fossil record. The combined physiological stresses of ocean warming and O loss can account for more than half the magnitude of the "Great Dying."
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1126/science.aat1327 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Bryophytes Floristic Patterns in the Sicilian Aquatic and Humid Habitats-Important Refuges for Biodiversity Safeguarding in the Mediterranean Islands.
Plants (Basel)
January 2025
Department of Agricultural, Food and Forest Sciences, University of Palermo, Viale delle Scienze, Bldg. 5, 90128 Palermo, Italy.
In this study, a focus on the populations of bryophytes living in aquatic and humid habitats of Sicily is presented. This investigation aims to evaluate the consistency and diversity of this group of taxa. The complete list of taxa known to date in these habitats is provided, with reference to hornworts, liverworts, and mosses, and the patterns related to the biological, ecological, and chorological features of this bryophyte flora are also illustrated.
View Article and Find Full Text PDFDo Endangered Glacial Relicts Have a Chance for Effective Conservation in the Age of Global Warming? A Case Study: in Eastern Poland.
Biology (Basel)
December 2024
Department of Hydrobiology and Protection of Ecosystems, University of Life Sciences in Lublin, Dobrzańskiego 37, 20-262 Lublin, Poland.
The abiotic stresses to which plants are exposed, especially in times of climate change, can result in the disruption of natural plant physiological processes. Sudden atmospheric phenomena may increase the risk of failure in protecting rare and extinction-threatened plant species by translocation. This study aimed to determine the effect of extreme ambient temperatures on the condition and physiological response of plantlets used for their reintroduction into the natural habitat.
View Article and Find Full Text PDFPopulation genetic structure of Phaedranassa cinerea Ravenna (Amaryllidaceae) and conservation implications.
BMC Plant Biol
January 2025
Centro de Investigación de La Biodiversidad y Cambio Climático (BioCamb), y Facultad de Ciencias de Medio Ambiente, Universidad Tecnológica Indoamérica, Machala y Sabanilla, Quito, Ecuador.
Background: Andean orography has shaped the endemism of plant species in montane forests, creating a mosaic of habitats in small and isolated areas. Understanding these endemic species' genetic diversity patterns is crucial for their conservation. Phaedranassa cinerea (Amaryllidaceae), a species restricted to the western Andes of Ecuador, is listed as "vulnerable" according to the IUCN criteria.
View Article and Find Full Text PDFPropithecus verreauxi demography spanning 40 years at Bezà Mahafaly Special Reserve, southwest Madagascar.
Sci Data
January 2025
Yale University, Department of Anthropology, 10 Sachem Street, New Haven, CT, 06511, USA.
The diverse, highly endemic flora and fauna of Madagascar make it a priority for research and conservation. Lemurs, the island's endemic primates, exhibit a distinctive array of biological, behavioral and demographic traits. Research on these species contributes to significant theoretical issues, including the evolution of mammalian life histories and social systems.
View Article and Find Full Text PDFElevated CO-mediated climate warming favors protozoan's top-down effect on controlling toxic Microcystis.
Sci Total Environ
January 2025
Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological Sciences, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210023, China. Electronic address:
Under temperature and CO level rising, the dominance of toxic cyanobacteria in primary producers is continuously increasing the risks of water safety and hindering functions of aquatic ecosystems. Thus, it is necessary to evaluate the efficiency of algal control measures under climate warming. Based on highly efficient control of cyanobacteria by protozoan reported in previous studies, this study aimed to investigate top-down effect of protozoan Paramecium on toxic Microcystis under CO-mediated climate warming.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!