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首页> 外文期刊>Ocean & coastal management >Priority areas for the conservation of the fish fauna of the Amazon Estuary in Brazil: A multicriteria approach
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Priority areas for the conservation of the fish fauna of the Amazon Estuary in Brazil: A multicriteria approach

机译：巴西亚马逊河河口鱼类区系保护的重点区域：多准则方法

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摘要

The definition of priority areas for the conservation of fish faunas is still relatively incipient in comparison with efforts for the protection of terrestrial systems, despite the fact that fishes are the group of organisms most affected by anthropogenic impacts. Given the lack of adequate management in the most important sectors of the Amazon Estuary, the objectives of the present study were to identify priority areas for conservation, based on the analysis of ecological and economic criteria, and indices referencing the fish fauna, integrated in a GIS environment. This was the first application of a methodological approach of this kind to the Amazon Estuary. Fish specimens were collected in the main channel and tidal creeks of the southern Amazon Estuary - Guajara and Marajo Bays and the mouth of the Guama River and associated islands - between 2004 and 2011, during both the dry (July to December) and rainy seasons (January to June), using gillnets and trawls. A total of 14 ecological and fishery criteria were grouped in five indices - environmental quality and diversity, habitat use, fishery index, and relative abundance (CPUE). Maps were produced, based on different scenarios for the conservation of the fish fauna of the study area. Medium to high conservation priorities were defined by all the indices throughout the study area. The scenarios indicated that the northern portion of Marajo Bay and all sectors during the dry season present medium to very high priorities for conservation.
机译：尽管保护鱼类是受人为影响最严重的生物体，但与保护陆地系统的努力相比，保护鱼类区系优先领域的定义仍相对初期。鉴于亚马逊河河口最重要地区缺乏适当的管理，本研究的目的是根据对生态和经济标准的分析以及将鱼类区系纳入参考的指数，确定保护重点领域。 GIS环境。这是这种方法学方法首次应用于亚马逊河口。在2004年至2011年之间的旱季（7月至12月）和雨季期间，在南部亚马逊河河口的主要航道和潮汐小河-瓜哈拉和马拉霍湾以及瓜马河和相关岛屿的河口收集了鱼标本（一月到六月），使用刺网和拖网。总共14条生态和渔业标准分为五个指数-环境质量和多样性，栖息地使用，渔业指数和相对丰度（CPUE）。根据保护研究区鱼类区系的不同情况制作了地图。研究区域中的所有指标都确定了中到高优先级的保护重点。情景表明，在干旱季节，马拉霍湾北部和所有地区都处于中等至非常高的保护重点。

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  • 来源
    《Ocean & coastal management》 |2014年第11期|116-127|共12页
  • 作者

    Keila Renata M. Mourao; Pedro Walfir Martins Sousa Filho; Paulo Jose de Oliveira Alves; Flavia Lucena Fredou;

  • 作者单位

    Universidade Federal do Para, Laboratorio de Biologia Pesqueira e manejo de Recursos Aquaticos, Av. Bernado Sayao, n1, Cuama, 66075-110 Belem, PA, Brazil;

    Universidade Federal do Para, Instituto de Geociencias, Laboratorio de Analises de Imogens do Tropico Umido, Rua Augusto Correa 1, Campus da UFPA, CEP: 66075-110,Caixa-Postal: 8608 Belem, PA, Brazil;

    Universidade Federal do Para, Instituto de Geociencias, Laboratorio de Analises de Imogens do Tropico Umido, Rua Augusto Correa 1, Campus da UFPA, CEP: 66075-110,Caixa-Postal: 8608 Belem, PA, Brazil;

    Universidade Federal Rural de Pernambuco - UFRPE, Departamento de Pesca e Aqueicultura - DEPAQ, Rua Dom Manoel de Medeiros, s, Dois Irmaos - CEP: 52171-900, Recife, PE, Brazil;

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