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The History and Characteristics of the Mobulid Ray Fishery in the Bohol Sea, Philippines

机译:菲律宾薄荷海的bul鱼渔业的历史和特征

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摘要

The fishery for mobulid rays, also known as devil rays, has been practiced in the Bohol Sea for over a century yet very little is known about its history and characteristics. This study provides the first detailed description of the mobulid ray fishery in the Bohol Sea, Philippines. It describes the history and evolution of the fishery from the 19th century to 2013. It characterizes the fishery based on the species targeted, gears used, the organization, catch distribution, processing, monetary value, and the market of its by-products. This paper also analyses the changes that occurred through time, the management of the fishery and the drivers of the fishery. A multi-disciplinary approach was employed by combining ethno-historical research methods and catch landing monitoring in four primary sites within the Bohol Sea. This fishery began as an artisanal fishery using sail and row boats equipped with harpoons and gaff hooks practiced in at least four coastal villages in Bohol, Camiguin and Limasawa. The fishing fleet has decreased since the beginning of the 20th century however, with the motorization of the fishery and shift to the use of gillnets, the extent of the fishing grounds and market of the products have expanded. Four species of mobulid rays are caught in the Bohol Sea: Manta birostris, Mobula japanica, Mobula thurstoni and Mobula tarapacana. A fifth species, targeted by a fishing community off Dinagat as an off-shoot of the Bohol fishery is most likely the Manta alfredi. Currently, the fishery for mobulids is centered in Bohol Province where it has been practiced longest. The monetary value of mobulids in this region has increased and the dependence of fishing communities for their livelihood is significant. The unique characteristics of this fishery and the socio-cultural context within which it operates merits a thorough investigation in order to design the appropriate management strategy.
机译:薄荷射线渔业,也被称为魔鬼射线,已经在薄荷海开展了一个多世纪,但对其历史和特征知之甚少。这项研究首次详细介绍了菲律宾薄荷海的bul鱼渔业。它描述了19世纪至2013年渔业的历史和演变。它根据目标物种,使用的渔具,组织,渔获量分布,加工,货币价值以及渔业的特征来表征渔业。其副产品市场。本文还分析了随着时间变化,渔业管理和渔业驱动因素。通过结合民族历史研究方法和在薄荷海内四个主要地点进行的着陆监测,采用了多学科方法。该渔业始于手工渔业,使用风帆和划艇配备鱼叉和鱼钩,至少在薄荷岛,卡米金和利马萨瓦的四个沿海村庄中有习俗。自20世纪初以来,捕鱼船队有所减少,但是,随着渔业的机动化和使用刺网的使用,捕鱼场的范围和产品市场得到了扩大。薄荷海捕获了四种种类的射线:蝠ta,日本,、 thurstoni and和塔拉帕卡纳Mo。迪纳加特(Dinagat)附近的一个捕鱼社区将其作为薄荷岛渔业的分支而定为第五种,很可能是曼塔(Manta alfredi)。目前,用于鱼类的渔业集中在薄荷岛省,而该省实施时间最长。该地区的鱼类的货币价值增加了​​,捕鱼社区对其生计的依赖性也很大。为了设计适当的管理策略,应对这种渔业的独特特征及其所处的社会文化环境进行彻底的调查。

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