集约化对虾养殖的环境影响建模:三维水动力生态系统方法

Fishes Pub Date : 2024-03-31 DOI:10.3390/fishes9040126
Jinxin Zhou, Teng Tu, Huajin Wang, Daisuke Kitazawa
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引用次数: 0

摘要

对虾养殖业已经是一个价值数十亿美元的全球性产业,并在不断发展壮大。集约化养殖法是对虾养殖中最常见的方法,但由于与消除环境污染相关的支出,在商业上仍面临挑战。虽然数学模型已经推动了对这一错综复杂的水产养殖环境的全面了解,但最近对改进模型结构的尝试并未取得足够的成果。这项工作将以前的方法升级为三维流体动力生态系统模型,用近似方程代替对虾的影响,对日本九州地区的一个对虾养殖池塘进行环境评估。我们的方法是成功的,这体现在模拟结果与观测数据和之前的结果高度一致。此外,我们首次揭示了分层的影响,并确认了水质的显著日变化。我们的案例研究为集约化对虾养殖的特点、对长期可持续运营的影响以及未来地方尺度生态系统建模的研究重点提供了重要的实用信息。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Modeling Environmental Impacts of Intensive Shrimp Aquaculture: A Three-Dimensional Hydrodynamic Ecosystem Approach
Already a multibillion-dollar global industry, shrimp aquaculture, is growing all the time. The intensive method, which is the most common method in shrimp aquaculture, remains commercially challenged due to the expenditures associated with environmental pollution abatement. Although the comprehensive understanding of this intricate aquaculture environment has been advanced using mathematical modeling, recent attempts to improve the model’s structure have not yielded enough results. This work upgraded the previous method to a three-dimensional hydrodynamic ecosystem model with the effects of shrimps being replaced by approximation equations for the environmental assessment of a shrimp aquaculture pond in Kyushu District, Japan. Our approach was successful, as demonstrated by the high consistency of the simulation results when compared to observation data and the previous results. Additionally, we first revealed the impacts of stratification and confirmed the notable daily variation in the water quality. Our case study offers significant practical information on the characteristics of intensive shrimp aquaculture, implications for long-term sustainable operations, and future research priorities on local-scale ecosystem modeling.
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