期刊
MARINE ENVIRONMENTAL RESEARCH
卷 131, 期 -, 页码 1-9出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.marenvres.2017.09.002
关键词
Meiofauna; Nematodes; Ocean warming; Ocean acidification; Microcosms; Chile
资金
- Universidad de Los Lagos Proyecto Regular [R09/15]
- Fondo Nacional de Desarrollo Cientifico y Tecnologico (Fondecyt) [1130839]
- Celulosa Arauco and Constitucion S.A
Climate change due to increased anthropogenic CO2 in the atmosphere is causing an increase in seawater temperatures referred to as ocean warming and a decrease in seawater pH, referred to as ocean acidification. The meiofauna play an important role in the ecology of marine ecosystems and the functions they provide. Using microcosms, meiofaunal assemblages were exposed to two temperatures (15 and 19 degrees C) and two pHs (pCO(2) of 400 and 1000 ppm), both individually and in combination, for a period of 90 days. The hypothesis that increased temperature will increase meiofaunal abundance was not supported. The hypothesis that a reduced pH will reduce meiofaunal abundance and species richness was supported. The combination of future conditions of temperature and pH (19 degrees C and pCO(2) of 1000 ppm) did not affect overall abundance but the structure of the nematode assemblage changed becoming dominated by a few opportunistic species. (C) 2017 Elsevier Ltd. All rights reserved.
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