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Warm Microhabitats Drive Both Increased Respiration And Growth Rates Of Intertidal Consumers, Luke P. Miller, Bengt J. Allen, Felicia A. King, Daisy R. Chilin, Vanessa M. Reynoso, Mark W. Denny
Warm Microhabitats Drive Both Increased Respiration And Growth Rates Of Intertidal Consumers, Luke P. Miller, Bengt J. Allen, Felicia A. King, Daisy R. Chilin, Vanessa M. Reynoso, Mark W. Denny
Luke P. Miller
Rocky intertidal organisms are often exposed to broadly fluctuating temperatures as the tides rise and fall. Many mobile consumers living on the shore are immobile during low tide, and can be exposed to high temperatures on calm, warm days. Rising body temperatures can raise metabolic rates, induce stress responses, and potentially affect growth and survival, but the effects may differ among species with different microhabitat preferences. We measured aerial and aquatic respiration rates of 4 species of Lottia limpets from central California, and estimated critical thermal maxima. In a variety of microhabitats in the field, we tracked body temperatures and …