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Browsing by Subject "Environmental Chemistry"

Browsing by Subject "Environmental Chemistry"

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    Acclimation of Fine Root Systems to Soil Warming: Comparison of an Experimental Setup and a Natural Soil Temperature Gradient 
    Parts, Kaarin; Tedersoo, Leho; Schindlbacher, Andreas; Sigurdsson, Bjarni D.; Leblans, Niki; Oddsdóttir, Edda Sigurdís; Borken, Werner; Ostonen, Ivika (Springer Science and Business Media LLC, 2018-07-09)
    Global warming is predicted to impact high-latitude and high-altitude forests severely, jeopardizing their overall functioning and carbon storage, both of which depend on the warming response of tree fine root systems. This paper investigates the effect ...
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    Disentangling the drivers of decadal body size decline in an insect population 
    Botsch, Jamieson C.; Zaveri, Aayush N.; Nell, Lucas A.; McCormick, Amanda R.; Book, K. Riley; Phillips, Joseph S.; Einarsson, Árni; Ives, Anthony R. (2024-01)
    While climate warming is widely predicted to reduce body size of ectotherms, evidence for this trend is mixed. Body size depends not only on temperature but also on other factors, such as food quality and intraspecific competition. Because temperature ...
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    Geothermally warmed soils reveal persistent increases in the respiratory costs of soil microbes contributing to substantial C losses 
    Marañón Jiménez, Sara; Soong, Jennifer; Leblans, Niki; Sigurdsson, Bjarni D.; Penuelas, Josep; Richter, Andreas; Asensio, Dolores; Fransén, Erik A.; Janssens, Ivan (Springer Nature, 2018-04-17)
    Increasing temperatures can accelerate soil organic matter decomposition and release large amounts of CO2 to the atmosphere, potentially inducing positive warming feedbacks. Alterations to the temperature sensitivity and physiological functioning of ...
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    Global temperature homogenization can obliterate temporal isolation in migratory animals with potential loss of population structure 
    Bom, Roeland A.; Piersma, Theunis; Alves, José A.; Rakhimberdiev, Eldar (2024-01)
    Climate change is expected to increase the spatial autocorrelation of temperature, resulting in greater synchronization of climate variables worldwide. Possibly such ‘homogenization of the world’ leads to elevated risks of extinction and loss of ...
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    Sugar-stimulated CO2 sequestration by the green microalga Chlorella vulgaris 
    Fu, Weiqi; Guðmundsson, Steinn; Wichuk, Kristine; Palsson, Sirus; Pálsson, Bernhard Ö; Salehi-Ashtiani, Kourosh; Brynjolfsson, Sigurdur (Elsevier BV, 2019-03)
    To convert waste CO2 from flue gases of power plants into value-added products, bio-mitigation technologies show promise. In this study, we cultivated a fast-growing species of green microalgae, Chlorella vulgaris, in different sizes of photobioreactors ...
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    Temporal and intra-thallus variation in arsenic species in the brown macroalga Laminaria digitata 
    Sim, Rebecca; Feldmann, Joerg; Stengel, Dagmar B.; Pétursdóttir, Ásta H. (CSIRO Publishing, 2023)
    Environmental context. Arsenic contamination has a disproportionate effect on marine ecosystems. Organisms such as some marine macroalgae, which accumulate potentially toxic elements from the surrounding environment, have developed an internal conversion ...
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    Tourism and arctic observation systems: Exploring the relationships 
    de la Barre, Suzanne; Maher, Patrick; Dawson, Jackie; Hillmer-Pegram, Kevin; Huijbens, Edward; Lamers, Machiel; Liggett, Daniela; Müller, Dieter; Pashkevich, Albina; Stewart, Emma (Co-Action Publishing, 2016-03-01)
    The Arctic is affected by global environmental change and also by diverse interests from many economic sectors and industries. Over the last decade, various actors have attempted to explore the options for setting up integrated and comprehensive ...