FOR THE ESTABLISHMENT OF TUNA FARMS IN RELATION TO THE SPATIAL DISTRIBUTION OF CETÁCEOS IN THE GOLFO DULCE, COSTA RICA
DOI:
https://doi.org/10.15359/revmar.1.9Keywords:
Distribution, mariculture, cetaceans odontocetes, humpback whales, trophic levelAbstract
This contribution deals with the spatial distribution of marine top predators, particularly odontocete and migratory misticete cetaceans. The study describes the potential risk of disturbances due to the establishment of mariculture operations and corresponding infrastructure: tuna feed lots. Through a mixed theoretical and empirical approach, this research corroborates how the maximum depth, a limiting factor in the definition of cetacean trophic niches off the study area, overlaps with the values for depths from an area proposed as the focal location of a tuna feed lot facility. The latter implies two particular scenarios: the translocation of the local predator population from a potential foraging habitat-niche, and the progressive negative interaction between predators and the accompanying fish fauna around of the cages, with a high probability of incidental capture of those predators by entanglement. Additionally, the occurrence of humpback whales during the rainy season associated with a migratory route from feeding grounds off Chile-Antarctica, that would pass through the area projected to harbor the mariculture operation. The results illustrate the need of considering a precautionary approach and relocate mariculture projects to areas of lesser value in terms of marine biodiversity.
References
Acevedo-Gutiérrez, A. (1997). Resightings and behavior of false killer whales (Pseudorca crassidens) in Costa Rica. Mar. Mam. Sci., 13, 307-314.
Acevedo-Gutiérrez, A. & Smultea, M.A. (1995). First records of humpback whales including calves at Golfo Dulce and Isla del Coco, Costa Rica, suggesting geographical overlap of northern and southern Hemisphere populations. Mar. Mam. Sci., 11, 554-560.
Acevedo-Gutiérrez, A. & Burkhart, S. (1998). Seasonal distribution of bottlenose (Tursiops truncatus) and pan-tropical spotted (Stenella attenuata) dolphins (Cetacea: Delphinidae) in Golfo Dulce, Costa Rica. Rev. Biol. Trop., 46, 91-101.
Acevedo-Gutiérrez, A. & Matthew, A. (2005). Association pattern of bottlenose dolphins in Costa Rica: Constant Companions and Casual Acquaintances. Book of abstract XVI Biennial Conference on the Biology of Marine Mammals, San Diego, California.
Begon, M., Townsend, C. R. & Harper, J. L. (2006). Ecology: from individuals to ecosystems. 4th ed. Blackwell Publishing, U.K. 740 pp.
Cañadas, A., Sagarminaga, R. & García-Tiscar, S. (2002). Cetacean distribution related with depth and slope in Mediterranean waters off sourthern Spain. Deep Sea Res., I, 49, 2053-2073.
Cubero-Pardo, P. (1998). Patrones de comportamiento diurnos y estacionales de Tursiops truncatus y Stenella attenuata (Mammalia: Delphinidae) en el Golfo Dulce, Costa Rica. Rev. Biol. Trop., 46, 103-110.
Cubero-Pardo, P. (2007). Distribución y condiciones ambientales asociadas al comportamiento del delfín bufeo (Tursiops truncatus) y el delfín manchado (Stenella attenuata) (Cetacea: Delphinidae) en el Golfo Dulce, Costa Rica. Rev. Biol. Trop., 55, 549-557.
Davis, R. W., Ortega Ortiz, J. G., Ribie, C. A., Evans, W. E., Biggs, C. D., Ressler, P. H., Cady, R. B., Leben R. R., Mullin D. K & Würsig, B. (2002). Cetacean habitat in the northern oceanic Gulf of Mexico. Deep Sea Res., I, 49, 121-142
Díaz-López, B., Marini, L. & Polo, F. (2005). The impact of a fish farm on a bottlenose dolphin population in the Mediterranean Sea. Thalassas, 21, 53-58.
Díaz-López, B. (2006a). Interactions between Mediterranean bottlenose dolphins (Tursiops truncatus) and gillnets off Sardinia, Italy. ICES J. Mar. Sci., 63 (5), 775-960.
Díaz-López, B. (2006b). Bottlenose dolphin (Tursiops truncatus) predation on a marine finfish farm: some underwater observations. Aquat. Mammals, 32, 305-310.
Díaz-López, B. & Bernal-Shirai, J.A. (2007). Bottlenose dolphin (Tursiops truncatus) presence and incidental capture in a marine fish farm on the north-eastern coast of Sardinia (Italy). J. Mar. Biol. Assoc. UK, 87, 113-117.
Díaz-López, B., Bunke, M. & Bernal-Shirai, J.A. (2008). Marine aquaculture off Sardinia Island (Italy): ecosystem effects evaluated through a trophic mass-balance model. Ecol. Model., 212, 292-303.
Evans, P. G. H. (2002). Habitat pressures, pp. 545-548. In: Perrin, W. F., Wursig B. & Thewissen, J. G. M. (eds.). Encyclopedia of Marine Mammals. San Diego: Academic Press.
Fernández, M., Oviedo, L., Echeverria, D. & Goodman, S. (2007). Co-occurrence of cetaceans indicator species of up-welling modified waters and tropical warm waters off Osa Peninsula, Costa Rica. Paper presented at the Seventeenth Biennial Conference on the Biology of Marine Mammals, Cape Town, South Africa (Available from www.vidamarina.org)
Fernández, M. & Oviedo L. (2009). Distribution and abundance of Delphinus delphis off the southern Pacific Coast of Costa Rica. Paper SC/SM3 presented to the IWC 60th Scientific Committee, June, Madeira, Portugal.
Fieldler, P. (2002). Ocean environment, pp 824-830. In: Perrin W. F., Wursig B. & Thewissen J. G. M. (eds.). Encyclopedia of Marine Mammals. San Diego: Academic Press.
Forcada, J. (2002). Distribution, pp 327-333. In: Perrin W. F., Wursig, B. and Thewissen, J. G. M. (eds.). Encyclopedia of Marine Mammals. San Diego: Academic Press.
Heinrich, S. (2006). Ecology of Chilean dolphins and Peale’s dolphins at Isla Chiloé, southern Chile. PhD Thesis. University of St Andrews. Scotland.
Kemper, C. M. & Gibbs, S. E. (2001). Dolphin interactions with tuna feedlots at Port Lincoln, South Australia and recommendations for minimizing entanglements. J. Cetacean Res. Manage., 3, 283-292.
Kemper, C. M., Pemberton, D., Cawthorn, M., Heinrich, S., Mann, J., Würsig, B., Shaughnessy, P. & Gales, R. (2003). Aquaculture and marine mammals: co-existence of conflict? In Marine mammals: fisheries, tourism and management issues (ed. N. Gales et al.), pp. 208-225. Collingwood, Victoria, Australia: CSIRO Publishing.
May-Collado, L., Gerrodette, T., Calambokidis, J., Rasmussen, K. & Sereg, I. (2005). Patterns of cetacean sighting distribution in the Pacific Exclusive Economic Zone of Costa Rica, based on data collected from 1979-2001. Rev. Biol. Trop., 53, 249-263.
Oviedo, L. (2007). Dolphin sympatric ecology in a tropical fjord: habitat partitioning by bathymetry and topography as a strategy to coexist. J. Mar. Biol. Asso. UK., 87, 1-9.
Oviedo, L. (2008) Análisis del uso de hábitat del delfín manchado pantropical Stenella attenuata (Cetacea: Delphinidae) en el Golfo Dulce, Costa Rica. MSc. Thesis. Universidad Nacional (UNA), Puntarenas, Costa Rica.
Oviedo. L. & Solís, M. (2008). Underwater topography determines critical breeding habitat for humpback whales near Osa Peninsula, Costa Rica: implications for Marine Protected Areas. Rev. Biol. Trop., 52, 591-602.
Oviedo, L., Fernández, M. & Pacheco, J.D. (in rev) Trophic levels distribution of toothed cetaceans in the Southern Pacific Coast of Costa Rica.
Pauly, D., Trites, A. W., Capuli, E. & Christensen, V. (1998). Diet composition and trophic levels of marine mammals. ICES J. Mar. Sci., 55, 467-481.
Ribeiro, S., Viddi, F. A., Cordeiro J. L. & Freitas, T. R. O. (2007). Fine scale habitat selection of Chilean dolphins (Cephalorhynchus eutropia): interactions with aquaculture activities in southern Chiloé Island, Chile. J. Mar. Biol. Asso. UK, 87, 119-128.
Ramesh, B. R. (2008). Forest landscape approach for biodiversity management in the Western Ghats. J. Lands, Archit., 5, 33-37.
Weir, C. R., Pollock, C., Cronin, C. & Taylor, S. (2001) Cetaceans of the Atlantic Frontier, north and west of Scotland. Cont. Shelf Res., 21, 1047-1071.
Zar, J. H. (1996). Biostatistical analysis. London: Prentice-Hall International (UK) Ltd. 420 pp.
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