Combining data sources to elucidate spatial patterns in recreational catch and effort: fisheries-dependent data and local ecological knowledge applied to the South Florida bonefish fishery

Combining data sources to elucidate spatial patterns in recreational catch and effort: fisheries-dependent data and local ecological knowledge applied to the South Florida bonefish fishery
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结合数据源来阐明休闲捕捞和努力的空间模式:应用于南佛罗里达北梭鱼渔业的渔业相关数据和当地生态知识

DOI:
10.1007/s10641-018-0828-x
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发表时间:
2019
影响因子:
1.4
通讯作者:
Adams, A. J.
Adams, A. J.
中科院分区:
环境科学与生态学3区
文献类型:
--
作者:
Santos, R. O.;Rehage, J. S.;Kroloff, E. K.;Heinen, J. E.;Adams, A. J.

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空间数据是渔业管理的关键;然而,海洋种群的空间分布和捕捞动态往往记录不足,特别是对于休闲鱼种。将从航海日志中获得的依赖鱼类的数据(FDD)与从关键利益攸关方收集的当地生态知识(LEK)相结合,可以成为一种强有力的方法,以告知数据有限的渔业中的数据差距。在这项研究中,我们使用FDD从导游的渔获量报告和LEK使用在线调查和关键线人访谈重建的空间变化,在整个南佛罗里达在过去的35-40年的大骨鱼(Albula vulpes)渔获量和捕捞努力,更好地了解在以前的研究中所描述的大骨鱼下降的程度和空间格局。虽然垂钓者认为在所有捕鱼区(比斯坎湾,佛罗里达群岛和佛罗里达湾下降26至53%)的骨鱼数量下降,在佛罗里达湾骨鱼下降的开始导致骨鱼数量下降最高(53%),因此,表明区域和局部下降事件影响骨鱼丰度。在佛罗里达湾内,LEK和FDD同意内湾的骨鱼最初下降,随后外湾下降幅度更大。从调查和访谈中得出的一系列努力描绘了渔业空间分布的收缩和聚集,以及渔业活动向较低键的转移。总而言之,从LEK和FDD获得的捕获量和努力量的时空模式使我们能够了解这种数据有限的物种在南佛罗里达的何处、何时以及如何下降。
Spatial data are key to fishery management; however, most often the spatial distribution of marine populations and fishing dynamics are poorly documented, especially for recreational fish species. The combination of fisheries-dependent data (FDD) obtained from logbooks, and local ecological knowledge (LEK) gathered from key stakeholders could be a powerful approach to inform data gaps in data-limited fisheries. In this study, we used both FDD from guides’ catch reports and LEK using an online survey and key-informant interviews to reconstruct the spatial changes in bonefish (Albula vulpes) catch and fishing effort throughout South Florida over the past 35–40 years, and better understand the extent and spatial patterns of the bonefish decline described in previous studies. Although anglers perceived a decline of bonefish numbers across all fishing areas (26 to 53% drop across Biscayne Bay, the Florida Keys, and Florida Bay), the start of the bonefish decline in Florida Bay resulted in the highest drop in bonefish number (53%); thus, indicating both regional and localized decline events affecting bonefish abundance. Within Florida Bay, LEK and FDD concurred with an initial drop in bonefish at Inner Bay, followed by a greater magnitude of decline at Outer Bay. Metrics of effort derived from the survey and interviews depicted a shrinkage and aggregation in the spatial distribution of fishing and a shift of fishing activities toward the Lower Keys. In sum, the spatiotemporal patterns of catch and effort obtained from LEK and FDD allowed us to understand where, when and how this data-limited species declined in South Florida.
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