A fish’s-eye-view: accessible tools to document shellfish farms as marine habitat in New Jersey, USA

IF 2.2 2区农林科学 Q2 FISHERIES

Aquaculture Environment Interactions Pub Date : 2021-01-01 DOI:10.3354/AEI00407

JP Shinn, DM Munroe, J. Rose

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引用次数: 5

Abstract

Shellfish growers routinely observe fish and invertebrates interacting with their aquaculture gear. To quantitatively assess these interactions, underwater action cameras (GoPro®) were used to document fish and invertebrate activity in and around floating oyster bags, cages, and a natural marsh habitat on an oyster farm in the Little Egg Harbor region of Barnegat Bay, New Jersey, USA, in 2018. A free and open-source event-logging software was used to analyze video files. A total of 21 species from 4 phyla were identified across all days and sites. Nekton were quantified from continuously recorded video using the MaxN abundance metric, defined as the maximum number of individuals of a given species present within each 1 min segment of video. Species of both ecological and economic importance in the local ecosystem used the 3 intertidal habitats. Abundance and community composition observed around oyster cages differed from that around floating oyster bags and marsh edge; the latter 2 habitats were not significantly different. Juvenile fish were frequently observed, suggesting that the oyster farm may provide similar natural history functions as other natural marsh habitat.

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鱼类视角:美国新泽西州贝类养殖场作为海洋栖息地的无障碍工具

贝类养殖者经常观察鱼类和无脊椎动物与他们的养殖设备的相互作用。为了定量评估这些相互作用，研究人员于2018年使用水下运动相机(GoPro®)记录了美国新泽西州巴内加特湾小蛋港地区牡蛎养殖场漂浮牡蛎袋、笼子和自然沼泽栖息地内和周围的鱼类和无动物活动。一款免费的开源事件记录软件被用来分析视频文件。在所有时间和地点共鉴定出4门21种。利用MaxN丰度指标从连续记录的视频中对Nekton进行量化，MaxN丰度指标定义为在每1分钟视频片段中存在的给定物种的最大个体数。在当地生态系统中具有生态和经济重要性的物种利用了3个潮间带栖息地。牡蛎笼周围的丰度和群落组成与浮牡蛎袋和沼泽边缘不同;后两种生境差异不显著。幼鱼的频繁观察表明，牡蛎养殖场可能具有与其他天然沼泽栖息地相似的自然历史功能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Aquaculture Environment Interactions FISHERIES-MARINE & FRESHWATER BIOLOGY

CiteScore

4.90

自引率

13.60%

发文量

审稿时长

>12 weeks

期刊介绍： AEI presents rigorously refereed and carefully selected Research Articles, Reviews and Notes, as well as Comments/Reply Comments (for details see MEPS 228:1), Theme Sections and Opinion Pieces. For details consult the Guidelines for Authors. Papers may be concerned with interactions between aquaculture and the environment from local to ecosystem scales, at all levels of organisation and investigation. Areas covered include: -Pollution and nutrient inputs; bio-accumulation and impacts of chemical compounds used in aquaculture. -Effects on benthic and pelagic assemblages or processes that are related to aquaculture activities. -Interactions of wild fauna (invertebrates, fishes, birds, mammals) with aquaculture activities; genetic impacts on wild populations. -Parasite and pathogen interactions between farmed and wild stocks. -Comparisons of the environmental effects of traditional and organic aquaculture. -Introductions of alien species; escape and intentional releases (seeding) of cultured organisms into the wild. -Effects of capture-based aquaculture (ranching). -Interactions of aquaculture installations with biofouling organisms and consequences of biofouling control measures. -Integrated multi-trophic aquaculture; comparisons of re-circulation and ‘open’ systems. -Effects of climate change and environmental variability on aquaculture activities. -Modelling of aquaculture–environment interactions; assessment of carrying capacity. -Interactions between aquaculture and other industries (e.g. tourism, fisheries, transport). -Policy and practice of aquaculture regulation directed towards environmental management; site selection, spatial planning, Integrated Coastal Zone Management, and eco-ethics.