Preprints

Filtering by Subject: Other Ecology and Evolutionary Biology

Climate, human disturbance and geometric constraints drive the elevational richness pattern of birds in a biodiversity hotspot in south-western China

Xinyuan Pan, Dan Liang, Wei Zeng, et al.

Published: 2019-02-22
Subjects: Biodiversity, Ecology and Evolutionary Biology, Life Sciences, Other Ecology and Evolutionary Biology

We explored the elevational richness patterns of birds in a biodiversity hotspot in south-western China, the Gaoligong Mountains and assessed the role of different spatial factors, climatic factors and landscape composition in shaping the richness patterns. The east slope of the southern part of Gaoligong Mountains (24.79°N-26.49°N, 98.65°E-98.93°E) is the western-most part of the Hengduan [...]

Dominance determines fish community biomass in a temperate seagrass ecosystem

Aaron Matthius Eger, Rebecca J Best, Julia Kathleen Baum

Published: 2019-01-21
Subjects: Biodiversity, Ecology and Evolutionary Biology, Life Sciences, Other Ecology and Evolutionary Biology, Terrestrial and Aquatic Ecology

Biodiversity and ecosystem function are often correlated, but there are multiple hypotheses about the mechanisms underlying this relationship. Ecosystem functions such as primary or secondary production may be maximized by species richness, evenness in species abundances, or the presence or dominance of species with certain traits. Here, we combined surveys of natural fish communities (conducted [...]

Early-life telomere length predicts survival to adulthood and lifespan in a wild mammal

Sil H. J. van Lieshout, Amanda Bretman, Chris Newman, et al.

Published: 2018-11-22
Subjects: Ecology and Evolutionary Biology, Life Sciences, Other Ecology and Evolutionary Biology

Telomeres, protective caps at the end of chromosomes, maintain genomic stability and function as a biomarker of senescence in many vertebrate species. Telomere length at different ages has been related to (subsequent) lifespan, but to date only one laboratory-based study has shown a direct link between early-life telomere length and lifespan. Whether this relationship holds in wild populations, [...]

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