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An artificial reef at the edge of the deep: An interdisciplinary case study

机译：深度边缘的人造礁：跨学科案例研究

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摘要

Just nearby the largest submarine canyon in Europe - off the western coast of Portugal - is located the Nazare acute accent artificial reef (NAR) deployed in 2010 and the first of its kind in this coast. NAR aimed to improve social and economic resilience of the local communities, mainly by creating a safer and closer area for fishing and to enhance commercially exploitable marine resources. The innovative part of this research lies on the fact that for the first time was developed a multidisciplinary approach for NAR. Scientific evidence from fieldwork shows that in 2015 the reef was already mature and colonized by abundant and diversified macrobenthic assemblages. No evidence of negative impacts of NAR on the soft bottom macrofauna was observed, as assemblage composition in the NAR area and in the vicinity areas is similar. In relation to the primary producers that support the subsequent food chain, there also seems to be a balance between NAR and the surrounding area since phytoplankton was equally abundant throughout the area. Experimental fisheries and underwater visual census results on ichthyofaunal communities in the reef revealed high abundance and low levels of species richness, pouting, Trisopterus luscus Linnaeus, 1758 being the most common fish species found. Concerning NAR socio-economic impact, results from direct site observations (DSOs) showed that only some small-scale fishing vessels were eligible to operate on the NAR area. Thus, comparatively to non-AR areas nearby reef use by fishing vessels differs according to spatial and temporal strata. In what perception was concerned, the NAR has contributed to fish aggregation, though being populated mostly by small fish. Fishers have stated that some factors seemed to have changed after reef deployment. Notwithstanding, the NAR may have been a valuable contribution to an apparently overall socio-economic positive impact on the local fishing community that can be corroborated by the presence of good biological indicators.
机译：刚毗邻欧洲最大的潜艇峡谷 - 葡萄牙西海岸 - 位于2010年部署的Nazare急性口音人工礁（NAR）以及这家海岸的第一个。 NAR旨在改善当地社区的社会和经济抵御能力，主要是通过创造更安全和更接近的钓鱼领域，并加强商业上可利用的海洋资源。本研究的创新部分在于，这是第一次开发了NAR的多学科方法。来自实地工作的科学证据表明，2015年，珊瑚礁已经成熟，通过丰富多样化的宏观表演组合。没有观察到鼻底宏过的NAR对柔软底部宏过的迹象，因为NAR区域和附近区域的组合组成相似。与支持随后的食物链的主要生产者有关，由于浮游植物在整个地区的同样丰富，因此NAR和周围地区之间也存在平衡。实验渔业和水下视觉人口普查结果在珊瑚礁中的ICHThyofaunal社区揭示了高丰度和低水平的物种丰富，噘嘴，Trisopterus Luscus linnaeus，1758是最常见的鱼类。关于NAR社会经济影响，直接现场观察结果（DSOS）结果表明，只有一些小型渔船有资格在NAR地区运营。因此，与渔船附近的珊瑚礁附近的非AR区域相比，根据空间和时间地层而不同。在关注的是，NAR促成了鱼聚集，尽管大多数由小鱼填充。渔民表示，珊瑚礁部署后一些因素似乎已经发生变化。尽管如此，NAR可能对对当地捕捞群体的显着整体社会经济阳性产生的有价值贡献，这可以通过良好的生物指标存在能够得到证实。

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  • 来源
    《Ocean & coastal management》 |2021年第9期|105729.1-105729.13|共13页
  • 作者

    Ramos Jorge; Tuaty-Guerra Miriam; Almeida Mariana; Raposo Ana C.; Gaudencio Maria J.; Silva Alexandra D.; Rodrigues Nuno; Leandro Sergio M.; Caetano Miguel;

  • 作者单位

    IP Portuguese Inst Ocean & Atmosphere IPMA Av Brasilia 6 P-1449006 Lisbon Portugal|Inst Politecn Leiria MARE Marine & Environm Sci Ctr ESTM P-2520641 Peniche Portugal|Univ Algarve CinTurs Res Ctr Tourism Sustainabil & Well Being Campus Gambelas P-8005139 Faro Portugal;

    IP Portuguese Inst Ocean & Atmosphere IPMA Av Brasilia 6 P-1449006 Lisbon Portugal;

    IP Portuguese Inst Ocean & Atmosphere IPMA Av Brasilia 6 P-1449006 Lisbon Portugal;

    IP Portuguese Inst Ocean & Atmosphere IPMA Av Brasilia 6 P-1449006 Lisbon Portugal;

    IP Portuguese Inst Ocean & Atmosphere IPMA Av Brasilia 6 P-1449006 Lisbon Portugal;

    IP Portuguese Inst Ocean & Atmosphere IPMA Av Brasilia 6 P-1449006 Lisbon Portugal;

    Inst Politecn Leiria MARE Marine & Environm Sci Ctr ESTM P-2520641 Peniche Portugal;

    Inst Politecn Leiria MARE Marine & Environm Sci Ctr ESTM P-2520641 Peniche Portugal;

    IP Portuguese Inst Ocean & Atmosphere IPMA Av Brasilia 6 P-1449006 Lisbon Portugal;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    benthos; Biodiversity; Colonization assessment; Fisheries management; Fishing community; Physical-biological; Socio-economic impact;

    机译：Benthos;生物多样性;殖民化评估;渔业管理;渔业;物理生物学;社会经济影响;

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