Impact of predicted climate change scenarios on a coral reef meiofauna community

被引:21
|
作者
Sarmento, Visnu Cunha [1 ]
Pinheiro, Barbara Ramos [2 ]
Flores Montes, Manuel de Jesus [2 ]
Parreira Santos, Paulo Jorge [1 ]
机构
[1] Univ Fed Pernambuco, Dept Zool, Ctr Ciencias Biol, Av Prof Morais Rego S-N, BR-50670420 Recife, PE, Brazil
[2] Univ Fed Pernambuco, Dept Oceanog, Ctr Ciencias Exatas & Terra, Av Arquitetura S-N, BR-50740550 Recife, PE, Brazil
关键词
benthos; climate change; ocean acidification; scenarios; warming; OCEAN ACIDIFICATION; MARINE-INVERTEBRATES; DEVELOPMENT TIME; CARBON-DIOXIDE; SEAWATER; CO2; DISSOCIATION; TEMPERATURE; ACID; REPRODUCTION;
D O I
10.1093/icesjms/fsw234
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
Changes in marine communities in response to elevated CO2 have been reported but information on how representatives of the benthic lower trophic levels will be impacted remains scarce. A laboratory experiment was conducted to evaluate the impact of different climate change scenarios on a coral reef meiofauna community. Samples of the meiofauna community were collected from the coral reef subtidal zone of Serrambi beach (Ipojuca, Pernambuco, Brazil), using artificial substrate units. The units were exposed to control treatments and to three climate change scenarios, and collected after 15 and 29 d. Important changes in the meiofauna community structure were observed after 15 d of exposure. The major meiofauna groups exhibited divergent responses to the various scenarios. Although polychaetes were negatively affected after 29 d in the most severe scenario (Scenario III), harpacticoid copepods were negatively affected in Scenarios II and III after 15 and 29 d. Harpacticoid nauplii were strongly and negatively affected in all scenarios. In contrast, Nematoda exhibited higher densities in all scenarios. To the best of our knowledge, this community-based study was the first to observe how meiofauna organisms from a coral reef environment react to the synergetic effects of reductions in seawater pH and increased temperature.
引用
收藏
页码:1170 / 1179
页数:10
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