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DOI10.1016/j.marpolbul.2018.11.011
Performance and herbivory of the tropical topshell Trochus histrio under short-term temperature increase and high CO2
Grilo, Tiago F.; Repolho, Tiago; Rosa, Rui; Cardoso, Patricia G.
发表日期2019
ISSN0025-326X
EISSN1879-3363
卷号138页码:295-301
英文摘要

Within tropical environments, short-term impacts of increased seawater temperature and pCO(2) on algae-herbivore interactions remain poorly understood. We investigated the isolated and combined 7-day effects of increased temperature (+ 4 degrees C) and pCO(2) (similar to 1000 mu atm) on the trophic interaction Ulva sp./Trochus histrio, by assessing: i) topshells' survival and condition index; ii) grazer consumption rates, nutritional composition and interaction strength expressed as a dynamic index. No survival differences were observed whilst body condition varied significantly. Topshells under high pCO(2) displayed poor performance, concomitant with lower consumption of macroalgae. Individuals exposed to increased temperature had better physical condition, thus stimulating herbivory, which in turn was negatively correlated with carbon and nitrogen contents. The dynamic index was temperature- and pCO(2)(-) interactively dependent, suggesting lower grazing pressure under single acidification. Despite some limitations inherent to a short-term exposure, this study provides new insights to accurately predict tropical species' phenotypic responses in a changing ocean.


WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology
来源期刊MARINE POLLUTION BULLETIN
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/90816
作者单位Univ Coimbra, MARE Ctr Ciencias Mar & Ambiente, P-3004517 Coimbra, Portugal
推荐引用方式
GB/T 7714
Grilo, Tiago F.,Repolho, Tiago,Rosa, Rui,et al. Performance and herbivory of the tropical topshell Trochus histrio under short-term temperature increase and high CO2[J],2019,138:295-301.
APA Grilo, Tiago F.,Repolho, Tiago,Rosa, Rui,&Cardoso, Patricia G..(2019).Performance and herbivory of the tropical topshell Trochus histrio under short-term temperature increase and high CO2.MARINE POLLUTION BULLETIN,138,295-301.
MLA Grilo, Tiago F.,et al."Performance and herbivory of the tropical topshell Trochus histrio under short-term temperature increase and high CO2".MARINE POLLUTION BULLETIN 138(2019):295-301.
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