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New climatic targets against global warming: will the maximum 2 °C temperature rise affect estuarine benthic communities?
Crespo, D.; Grilo, T.F.; Baptista, J.; Coelho, J.P.; Lillebø, A.I.; Cássio, F.; Fernandes, I.; Pascoal, C.; Pardal, M.A.; Dolbeth, M. (2017). New climatic targets against global warming: will the maximum 2 °C temperature rise affect estuarine benthic communities? NPG Scientific Reports 7(1): 14 pp. https://dx.doi.org/10.1038/s41598-017-04309-0
In: Scientific Reports (Nature Publishing Group). Nature Publishing Group: London. ISSN 2045-2322; e-ISSN 2045-2322
|   |
| Auteurs | | Top |
- Crespo, D.
- Grilo, T.F.
- Baptista, J.
- Coelho, J.P.
|
- Lillebø, A.I.
- Cássio, F.
- Fernandes, I.
|
- Pascoal, C.
- Pardal, M.A.
- Dolbeth, M.
|
| Abstract |
The Paris Agreement signed by 195 countries in 2015 sets out a global action plan to avoid dangerous climate change by limiting global warming to remain below 2 °C. Under that premise, in situ experiments were run to test the effects of 2 °C temperature increase on the benthic communities in a seagrass bed and adjacent bare sediment, from a temperate European estuary. Temperature was artificially increased in situ and diversity and ecosystem functioning components measured after 10 and 30 days. Despite some warmness effects on the analysed components, significant impacts were not verified on macro and microfauna structure, bioturbation or in the fluxes of nutrients. The effect of site/habitat seemed more important than the effects of the warmness, with the seagrass habitat providing more homogenous results and being less impacted by warmness than the adjacent bare sediment. The results reinforce that most ecological responses to global changes are context dependent and that ecosystem stability depends not only on biological diversity but also on the availability of different habitats and niches, highlighting the role of coastal wetlands. In the context of the Paris Agreement it seems that estuarine benthic ecosystems will be able to cope if global warming remains below 2 °C. |
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