热带黑滑岩牡蛎 Saccostrea 品系 J 的过滤率和生物修复潜力

IF 2.2 2区农林科学 Q2 FISHERIES

Aquaculture Environment Interactions Pub Date : 2024-03-28 DOI:10.3354/aei00477

Benjamin Rennie, Samantha J. Nowland, Ira R. Cooke, Jan M. Strugnell

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引用次数: 0

摘要

摘要：热带黑滑石牡蛎 Saccostrea 品系 J 是一种新兴的水产养殖物种，具有生长速度快、体型大、对温度和盐度波动的适应能力强等特点，这些特点都表明它非常适合生物修复应用。为研究其生物修复潜力，本研究旨在：(1) 确定温度（20、24、28、32°C）对 Saccostrea 品系 J 过滤速率的影响；(2) 利用对虾池塘污水和两种水平的牡蛎放养密度，描述并量化总氮 (TN)、总磷 (TP)、总悬浮固体 (TSS) 和叶绿素 a (chl a) 的吸收量。结果表明，水温越高，过滤速度越快，最佳性能范围为 24 至 32°C，过滤速度为 12.68 至 15.20 升/小时/克。此外，与未投放牡蛎的对照组相比，投放牡蛎的最高密度（0.66 个牡蛎/升-1）可在 3 小时后显著降低所有水质参数，TN 降低 13%，TP 降低 16%，TSS 降低 95%，chl a 降低 29%。对平均全重 75.4 克的 10 个牡蛎进行的组织分析表明，每个牡蛎平均含氮 0.09 克。按比例计算，每吨收获的牡蛎可去除 1.20 千克氮。这项研究首次调查了 Saccostrea 品系 J 的生物修复潜力，并证明了它们在改进水产养殖废水处理方法和生物修复方面的潜力。

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Filtration rate and bioremediatory potential of the tropical blacklip rock oyster Saccostrea lineage J

ABSTRACT: The tropical blacklip rock oyster Saccostrea lineage J is an emerging aquaculture species displaying fast growth rates, large sizes and resilience to fluctuations in temperature and salinity, all characteristics that suggest it would be well-suited to bioremediatory applications. To investigate their bioremediatory potential, the present study aimed to (1) determine the influence of temperature (20, 24, 28, 32°C) on the filtration rate of Saccostrea lineage J and (2) describe and quantify uptake in total nitrogen (TN), total phosphorus (TP), total suspended solids (TSS) and chlorophyll a (chl a), using prawn pond effluent and 2 levels of oyster stocking density. The results demonstrated that higher water temperatures promote a faster filtration rate and identified an optimal performance range of 24 to 32°C for a filtration rate of 12.68 to 15.20 l h^-1 g^-1. In addition, the highest density (0.66 oysters l^-1) of stocked oysters resulted in significant reduction of all water quality parameters, with TN reduced by 13%, TP by 16%, TSS by 95% and chl a by 29% when compared to unstocked controls after 3 h. Tissue analysis of 10 oysters with a mean whole weight of 75.4 g revealed a mean of 0.09 g of nitrogen per oyster. Scaling these values suggests that 1.20 kg of nitrogen is removed per tonne of harvested oysters. This study is the first to investigate the bioremediatory potential of Saccostrea lineage J and demonstrates their potential to improve aquaculture wastewater treatment practices and bioremediation.

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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.