背景:捕获观赏鱼是亚马逊河沿岸家庭的主要经济活动之一。然而,有关这项活动中工人当地生态知识的研究仍处于起步阶段。鉴于此,我们研究和探索了专门为内格罗河流域中部的水族馆贸易捕获鱼类的手工渔民的当地生态知识,并调查了与该地区该贸易针对的鱼类物种的生态方面有关的问题。
方法:因此,我们进行了半结构化访谈,并对观赏鱼类的个体渔民进行了问卷调查(N=89),来自Barcelos市,2016年1月至4月。
结果:总计,引用了41个流行的名字,对应于四个民族类别和10个家庭。主要物种是Parachirodonaxelrodi(12.5%),半峰(8.3%),双翅目(6.4%),Symphysodondiscus(5.3%),和Potamotrygon汽车(3.8%)。根据渔民的说法,在该地区被称为“piabas”的鱼类物种偏爱成群生活(28.9%)并进行迁徙运动(26.1%)。渔场所报告的本地鱼种的饮食是多种多样的,尽管主要基于附生植物(42.2%),以及受该地区河流洪水时期直接影响的繁殖周期(37.6%)结论:我们的研究表明,渔民拥有当地观赏鱼种的生态方面的信息,其中许多与科学文献一致。所提供的信息可能有助于当地渔业资源管理的决策过程,并有助于恢复观赏鱼的生长和可持续性。
BACKGROUND: The capture of ornamental fish is one of the main economic activities of riverine families in the Amazon. However, studies regarding the local ecological knowledge of workers in this activity are still incipient. In view of this, we have studied and explored the local ecological knowledge of artisanal fishers who specialize in the capture of fish for the aquarium trade in the middle part of the Negro River basin and investigated issues related to the ecological aspects of the fish species that are targeted by this trade in the region.
METHODS: Therefore, we conducted semi-structured interviews and applied questionnaires to artisanal fishers of ornamental fish (N = 89), from the municipality of Barcelos, from January to April 2016.
RESULTS: In total, 41 popular names were cited, which correspond to four ethnocategories and 10 families. The main species were Paracheirodon axelrodi (12.5%), Hemigrammus bleheri (8.3%), Ancistrus dolichopterus (6.4%), Symphysodon discus (5.3%), and Potamotrygon motoro (3.8%). According to the fishers, the species of fish known in the region as \"piabas\" have a preference for living in clusters (28.9%) and carry out migratory movements (26.1%). The diet of local fish species reported by fisheries is diverse, though mainly based on periphyton (42.2%), and the reproductive cycle directly influenced by the period of flooding of rivers in the region (37.6%) CONCLUSION: Our study revealed that the fishers possess information on the ecological aspects of local ornamental fish species, many of which are consistent with scientific literature. The information presented may assist in the decision-making process for the management of local fishery resources and contribute to the resumption of growth and sustainability in the capture of ornamental fish.