Functional diversity of Collembola is reduced in soils subjected to short-term, but not long-term, geothermal warming. Holmstrup, M., Ehlers, B. K., Slotsbo, S., Ilieva‐Makulec, K., Sigurdsson, B. D., Leblans, N. I. W., Ellers, J., & Berg, M. P. Functional Ecology, 32(5):1304–1316, 2018.
Functional diversity of Collembola is reduced in soils subjected to short-term, but not long-term, geothermal warming [link]Paper  doi  abstract   bibtex   
Human activities have caused global changes of atmospheric chemistry resulting in increased temperature especially in the colder regions of the northern hemisphere. Since warming of the environment can have drastic effects on terrestrial ecosystems it is important to experimentally evaluate the extent of such effects in long-term field-based experiments. In this study we make use of both recent (short-term) and long-term geothermal warming of Icelandic soils to examine the responses of Collembola, an ecologically important group of soil invertebrates, to warming. On the basis of metabolic scaling theory, we hypothesized that species of small size would be more successful in warmed soils than species of larger size. Further we expected that top-soil-dwelling species would benefit more from warming than deep-soil-dwelling species. In order to test these hypotheses we sampled Collembola along replicated gradients of increasing temperature in areas that had been heated for about 6 years and more than 50 years respectively. Collembola were identified to species level, counted and the community-weighted mean trait scores for six functional and ecological traits were calculated. Results show that both short-term and long-term soil warming caused a shift towards a higher relative abundance of species with small body size. Furthermore, abundance of top-soil-dwelling Collembola tended to increase after short-term warming, but the opposite was observed after long-term warming. Using trait-based diversity indices (FRic and RaoQ), we show that functional richness and diversity of Collembola communities was significantly reduced (almost halved) as a result of short-term soil warming to about 10°C above normal, but this effect was not detected in plots equally warmed for more than 50 years. This indicates that the functional diversity of Collembola communities have high resilience towards soil warming in a long-term perspective. A plain language summary is available for this article.
@article{holmstrup_functional_2018,
	title = {Functional diversity of {Collembola} is reduced in soils subjected to short-term, but not long-term, geothermal warming},
	volume = {32},
	copyright = {© 2018 The Authors. Functional Ecology © 2018 British Ecological Society},
	issn = {1365-2435},
	url = {https://besjournals.onlinelibrary.wiley.com/doi/abs/10.1111/1365-2435.13058},
	doi = {10.1111/1365-2435.13058},
	abstract = {Human activities have caused global changes of atmospheric chemistry resulting in increased temperature especially in the colder regions of the northern hemisphere. Since warming of the environment can have drastic effects on terrestrial ecosystems it is important to experimentally evaluate the extent of such effects in long-term field-based experiments. In this study we make use of both recent (short-term) and long-term geothermal warming of Icelandic soils to examine the responses of Collembola, an ecologically important group of soil invertebrates, to warming. On the basis of metabolic scaling theory, we hypothesized that species of small size would be more successful in warmed soils than species of larger size. Further we expected that top-soil-dwelling species would benefit more from warming than deep-soil-dwelling species. In order to test these hypotheses we sampled Collembola along replicated gradients of increasing temperature in areas that had been heated for about 6 years and more than 50 years respectively. Collembola were identified to species level, counted and the community-weighted mean trait scores for six functional and ecological traits were calculated. Results show that both short-term and long-term soil warming caused a shift towards a higher relative abundance of species with small body size. Furthermore, abundance of top-soil-dwelling Collembola tended to increase after short-term warming, but the opposite was observed after long-term warming. Using trait-based diversity indices (FRic and RaoQ), we show that functional richness and diversity of Collembola communities was significantly reduced (almost halved) as a result of short-term soil warming to about 10°C above normal, but this effect was not detected in plots equally warmed for more than 50 years. This indicates that the functional diversity of Collembola communities have high resilience towards soil warming in a long-term perspective. A plain language summary is available for this article.},
	language = {en},
	number = {5},
	urldate = {2019-05-20},
	journal = {Functional Ecology},
	author = {Holmstrup, Martin and Ehlers, Bodil K. and Slotsbo, Stine and Ilieva‐Makulec, Krassimira and Sigurdsson, Bjarni D. and Leblans, Niki I. W. and Ellers, Jacintha and Berg, Matty P.},
	year = {2018},
	keywords = {\#nosource, adaptation, ecological traits, global warming, soil ecology, springtails},
	pages = {1304--1316},
}
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