Warning of warming limpets: sea temperature effects upon intertidal rocky assemblages

被引:8
作者
Freitas, Diana [1 ]
Arenas, Francisco [2 ]
Vale, Candida Gomes [2 ]
Pinto, Isabel Sousa [1 ,2 ]
Borges, Debora [2 ]
机构
[1] Univ Porto, Fac Sci, Dept Biol, Porto, Portugal
[2] Univ Porto, Interdisciplinary Ctr Marine & Environm Res, Porto, Portugal
基金
欧盟地平线“2020”;
关键词
Activation energy; metabolic rate; metabolic theory of ecology; oxygen consumption tests; Patella depressa; Patella rustica; Patella ulyssiponensis; Patella vulgata; PATELLA MOLLUSCA GASTROPODA; CLIMATE-CHANGE; PHYSIOLOGICAL ECOLOGY; OXYGEN-CONSUMPTION; RUSTICA LINNAEUS; BODY-SIZE; ECOSYSTEMS; PATTERNS; NORTHERN; ANIMALS;
D O I
10.1017/S0025315422001096
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
Limpets (Patella spp.) are marine gastropods that inhabit rocky shores along the coasts of Europe, the Mediterranean, Macaronesia and the north-west coast of Africa. Being considered key species, limpets have an important role regulating algal assemblages in coastal communities. The goal of this work was to evaluate the influence of sea temperature on the respiration rate of four limpet species occurring in mainland Portugal, in line with predictions from the metabolic theory of ecology. The individuals were collected from rocky shores in Portugal and exposed to sea temperatures ranging from 6-28 degrees C for respiration rate assessments. Following the estimation of the relationship between oxygen consumption and temperature the activation energy was calculated. In parallel, low and high thermal thresholds were determined for three of the species. The results indicated that P. ulyssiponensis oxygen consumption increased linearly with sea temperature and the remaining species presented the same tendency. The values of activation energy ranged between 0.33-0.76 eV. For P. ulyssiponensis, the highest activation energy indicated that this species is more sensitive to temperature variations while for the tested temperatures it presented a higher thermal tolerance limit than the other species. Such findings indicate that P. ulyssiponensis is the most susceptible of these species to climate change, in line with the tolerance-plasticity trade-off hypothesis. This work provides a good starting point for understanding the effect of sea temperature on oxygen consumption in Patella spp. and for comprehending sensitivity of limpets to temperature increases under future climate change scenarios.
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页数:9
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