The combined effects of oxygen availability and salinity on physiological responses and scope for growth in the green-lipped mussel Perna viridis |
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| Institution: | 1. International Center for Marine Studies, College of Marine Sciences, Shanghai Ocean University, China;2. Department of Oceanography and Coastal Sciences, Coastal Studies Institute, School of the Coast and Environment, Louisiana State University, Baton Rouge, LA, USA;3. School of Marine Science and Technology, Zhejiang Ocean University, Zhoushan, China;1. Facultad de Ingeniería y Ciencias, Universidad Adolfo Ibáñez, Santiago, Chile.;2. Laboratorio de Ecología y Cambio Climático, Centro de Investigación e Innovación para el Cambio Climatico, Universidad Santo Tomas, Ejército 146, Santiago, Chile.;3. Laboratorio de Ecología y Conducta de la Ontogenia Temprana (LECOT), Centro de Estudios Avanzados en Zonas Áridas (CEAZA), Coquimbo, Chile.;4. Laboratorio de Funcionamiento de Ecosistemas Acuáticos (LAFE), Unidad de Sistemas Acuáticos, Centro de Ciencias Ambientales EULA Chile, Universidad de Concepción, Concepción, Chile;5. Centro de Investigación en Ecosistemas de la Patagonia (CIEP), Coyhaique, Chile;6. Instituto de Ciencias Marinas y Limnológicas, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile.;7. Facultad de Artes Liberales, Universidad Adolfo Ibáñez, Santiago, Chile;8. College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, USA;9. Centro FONDAP de Investigación en Dinámica de Ecosistemas Marinos de Altas Latitudes (IDEAL), Valdivia, Chile;10. Center of Applied Ecology and Sustainability (CAPES), Santiago, Chile;1. Instituto de Ciencias Marinas y Limnológicas, Laboratorio Costero de Calfuco, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile;2. Centro Fondap de Investigación de Ecosistemas Marinos de Altas Latitudes (IDEAL), Valdivia, Chile;3. Departamento de Ecología y Biodiversidad, Facultad de Ciencias de la Vida, Universidad Andres Bello, Santiago, Chile;4. Centro de Investigación en Ecosistemas de la Patagonia (CIEP), Coyhaique, Chile;1. IMARES Wageningen UR — Institute for Marine Resources and Ecosystem Studies, P.O. Box 77, 4400 AB Yerseke, The Netherlands;2. Department of Aquaculture and Fisheries, Wageningen University, P.O. Box 338, 6700 AH Wageningen, The Netherlands;3. MarinX Consultancy, Elkerzeeseweg 77, 4322 NA Scharendijke, The Netherlands;4. Deltares, P.O. Box 177, 2600 MH Delft, The Netherlands;1. DAIS, Ca’ Foscari University, 30170 Venezia, Italy;2. Wageningen University & Research -Wageningen Marine Research, PO Box 77, 4400AB Yerseke, the Netherlands;3. Department of Comparative Biomedicine and Food Science, Viale del''Università 16 Legnaro (PD), University of Padova, Italy;4. Department of Estuarine and Delta Systems, Royal Netherlands Institute for Sea Research (NIOZ), 4401, NT, Yerseke, the Netherlands;5. Faculty of Geosciences, Department of Physical Geography, Utrecht University, Utrecht, the Netherlands. |
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| Abstract: | Mussels were maintained for 4 weeks under different combinations of dissolved oxygen concentration (1.5, 3.0 and 6.0 mg O2 l?1) and salinity (15, 20, 25 and 30) in a 3 × 4 factorial design experiment. Clearance rate (CR), absorption efficiency (AE), respiration rate (RR) and scope for growth (SFG) decreased with decreasing salinity and dissolved oxygen concentration (DO), while excretion rate (ER) increased with decreasing salinity and increasing DO. The O:N ratio was <10 at salinities of 15 and 20, irrespective of DO levels. SFG was negative in most of the treatments, except for those under 6.0 mg O2 l?1 or at a salinity of 30 when DO was lower. The results may help explain the distribution pattern of Perna viridis in Hong Kong waters and provide guidelines for mussel culture site selection. |
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