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Balanced harvesting: The institutional incompatibilities
Institution:1. Grupo de Parasitología Animal, Animalario del Departamento de Reproducción Animal (INIA), 28040 Madrid, Spain;2. Villamagna SA, Finca “La Garganta”, 14440 Villanueva de Córdoba, Córdoba, Spain;3. Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain;4. Departamento de Anatomía, Producción y Ciencias Clínicas Veterinarias, Fac. de Veterinaria, 27002 Lugo, Spain;5. Laboratorio de Anatomía Patológica, Centro de Investigación en Sanidad Animal, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 28130 Valdeomos, Madrid, Spain;1. Department of Mathematics and Statistics and the River Studies Center, University of Wisconsin - La Crosse, 1725 State St., La Crosse Wisconsin, 5401, United States;2. Department of Mathematics, University of Nebraska–Lincoln, Lincoln, NE, 68688, United States;1. Faculty of Engineering, Shahrekord University, Shahrekord, Iran;2. Mechanical Engineering Department, Shahrekord University, Shahrekord, Iran
Abstract:Balanced harvesting is the name of a newly proposed approach to fishing which promises the extraction of high and sustainable fisheries yields while maintaining the structure of the ecosystem from which those yields could be obtained. This is to be achieved through exposing all components of ecosystems (from zooplankton to top predators, including seals, sea birds and marine mammals) to a fishing mortality proportional to their size-specific productivity. This study briefly analyses the incompatibility between balanced harvesting (and its implications) and the stated missions of two major organizations, FAO (which stresses the need of selective fishing in its Code of Conduct for Sustainable Fisheries) and IUCN (which maintains the Red List of Threatened Species), but which have issued reports or organized conferences promoting balanced harvesting. The study also demonstrates the incompatibility of balanced harvesting with the recently reformed Common Fisheries Policy of the European Union. While balanced harvesting appears partly compatible with declared fisheries policies of a few countries, e.g. with regard to whaling, sealing, and indiscriminate biomass fishing, it is not only incompatible with the basic tenets of fisheries science, but also with the vision, gradually emerging globally, that marine organisms such as marine mammals, sea turtles, sea-birds and other fauna have an intrinsic value and right to life that should not be undermined by more of the indiscriminate fishing which currently shapes much of our interactions with the oceans.
Keywords:Balanced harvesting  Selective fishing  Threatened species  Whaling  Sealing
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