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Mar Pollut Bull

Title:		Direct and indirect impacts of ocean acidification and warming on algae-herbivore interactions in intertidal habitats
Author(s):		Benitez S; Navarro JM; Mardones D; Villanueva PA; Ramirez-Kushel F; Torres R; Lagos NA;
Address:		"Programa de Doctorado en Biologia Marina, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile; Instituto Ciencias Marinas y Limnologicas, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile; Centro de Investigacion e Innovacion para el Cambio Climatico (CiiCC), Facultad de Ciencias, Universidad Santo Tomas, Santiago, Chile. Electronic address: samantabenitezv@gmail.com. Instituto Ciencias Marinas y Limnologicas, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile; Centro FONDAP de Investigacion Dinamica de Ecosistemas Marinos de Altas Latitudes (IDEAL), Universidad Austral de Chile, Valdivia, Chile. Instituto Ciencias Marinas y Limnologicas, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile. Instituto Ciencias Marinas y Limnologicas, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile; Programa de Doctorado en Acuicultura, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile. Centro de Investigacion en Ecosistemas de la Patagonia (CIEP), Coyhaique, Chile. Centro de Investigacion e Innovacion para el Cambio Climatico (CiiCC), Facultad de Ciencias, Universidad Santo Tomas, Santiago, Chile"
Journal Title:		Mar Pollut Bull
Year:		2023
Volume:		20230918
Issue:
Page Number:		115549 -
DOI:		10.1016/j.marpolbul.2023.115549
ISSN/ISBN:		1879-3363 (Electronic) 0025-326X (Linking)
Abstract:		"Anthropogenically induced global climate change has caused profound impacts in the world ocean. Climate change related stressors, like ocean acidification (OA) and warming (OW) can affect physiological performance of marine species. However, studies evaluating the impacts of these stressors on algae-herbivore interactions have been much more scarce. We approached this issue by assessing the combined impacts of OA and OW on the physiological energetics of the herbivorous snail Tegula atra, and whether this snail is affected indirectly by changes in biochemical composition of the kelp Lessonia spicata, in response to OA and OW. Our results show that OA and OW induce changes in kelp biochemical composition and palatability (organic matter, phenolic content), which in turn affect snails' feeding behaviour and energy balance. Nutritional quality of food plays a key role on grazers' physiological energetics and can define the stability of trophic interactions in rapidly changing environments such as intertidal communities"
Keywords:		Algae-herbivore interactions Energy balance Ocean acidification Ocean warming Physiological traits Tegula atra;
Notes:		"PublisherBenitez, Samanta Navarro, Jorge M Mardones, Daniela Villanueva, Paola A Ramirez-Kushel, Felipe Torres, Rodrigo Lagos, Nelson A eng England 2023/09/20 Mar Pollut Bull. 2023 Sep 18; 195:115549. doi: 10.1016/j.marpolbul.2023.115549"