Preprints

Filtering by Subject: Ecology and Evolutionary Biology

Plants and Drought in a Changing Climate

Abigail L. S. Swann

Published: 2018-04-23
Subjects: Earth Sciences, Ecology and Evolutionary Biology, Life Sciences, Other Earth Sciences, Other Ecology and Evolutionary Biology, Physical Sciences and Mathematics

Purpose of review: Climate is changing in response to rising concentrations of atmospheric CO2 and it is commonly asserted that this will cause droughts to become more frequent and severe. However, different metrics of drought give diverging estimates of future impacts. I present a summary of the significant yet underappreciated influence that plant stomatal and growth responses to CO2 have on [...]

Leaf trait acclimation amplifies simulated climate warming in response to elevated carbon dioxide

Marlies Kovenock, Abigail L.S. Swann

Published: 2018-01-10
Subjects: Earth Sciences, Ecology and Evolutionary Biology, Environmental Sciences, Life Sciences, Physical Sciences and Mathematics, Physiology, Plant Sciences

Vegetation modifies Earth’s climate by controlling the fluxes of energy, carbon, and water. Of critical importance is a better understanding of how vegetation responses to climate change will feedback on climate. Observations show that plant traits respond to elevated carbon dioxide concentrations. These plant trait acclimations can alter leaf area and thus productivity and surface energy fluxes. [...]

Lake sediment records of persistent organic pollutants and polycyclic aromatic hydrocarbons in Southern Siberia mirror the changing fortunes of the Russian economy over the past 70 years

Jennifer K Adams, César C. Martins, Neil L. Rose, et al.

Published: 2017-12-18
Subjects: Chemistry, Ecology and Evolutionary Biology, Environmental Chemistry, Environmental Sciences, Life Sciences, Physical Sciences and Mathematics, Terrestrial and Aquatic Ecology

Persistent organic pollutants (POPs) and polycyclic aromatic hydrocarbons (PAHs) have previously been detected in the surface sediments, water, and endemic organisms of Lake Baikal, a UNESCO World Heritage Site. The Selenga River is the primary source of freshwater to Lake Baikal, and transports pollutants accumulating in the Selenga River basin to the lake. Sources of POPs and PAHs in the [...]

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