贝贝养殖场底影响的空间和季节性变化:利用环境氧气条件预测和减轻影响
Per Bergström1, Matthew Hargrave1, Jesper Hassellöv1
1Department of Marine Sciences Tjärnö, University of Gothenburg, SE-452 96 Strömstad, Sweden.
The Science of the total environment
|August 4, 2024
概括
可持续的贝养殖需要评估环境影响. 这项研究发现,本土足迹,由Beggiatoa sp.表示. 和有机物,与氧气水平有关,是可逆的,对于选址至关重要.
科学领域:
- 海洋生物学 海洋生物学
- 生态毒理学 生态毒理学
- 水产养殖科学 水产养殖科学
背景情况:
- 水产养殖的扩张需要可持续的做法来减轻环境影响.
- 培养贝的表层生长影响在空间和季节性上有所不同.
- 了解这些影响对于负责任的水产养殖发展至关重要.
研究的目的:
- 为了研究商业贝养殖场对表盆生态影响的空间变异性.
- 分析影响谷底足迹 (BFI) 的因素及其与环境条件的关系.
- 评估这些影响的可逆性,以选择可持续的地点.
主要方法:
- 在瑞典西海岸的11个商业贝养殖场实地采样.
- 对表层生物群,有机含量和Beggiatoa sp. 的分析. 掩盖,掩盖,掩盖.
- 计算和空间分析与底层氧气度相关的底层足迹指数 (BFI).
主要成果:
- 有机物含量增加,变化的宏观动物和Beggiatoa sp. 观察到覆盖率很高,主要是在农场边界内.
- 谷底足迹指数 (BFI) 显示出强烈的季节性变化,与环境底层氧气水平相关.
- 发现影响很快可以逆转,特别是在春季初采样期间.
结论:
- 瑞典沿海水域的盆地足迹受到环境氧气度的显著影响.
- 贝吉阿托亚特 (Beggiatoa) 公司 贝吉阿托亚特 (Beggiatoa) 公司 覆盖面是缺氧条件和盆地冲击的可靠指标.
- 监测空间和时间氧气模式对于预测冲击严重程度和指导可持续鱼养殖场选址至关重要.
更多相关视频
07:59A Strain Gauge Monitor SGM for Continuous Valve Gape Measurements in Bivalve Molluscs in Response to Laboratory Induced Diel-cycling Hypoxia and pH
Published on: August 1, 2018
9.0K
07:53Bioindication Testing of Stream Environment Suitability for Young Freshwater Pearl Mussels Using In Situ Exposure Methods
Published on: September 5, 2018
7.3K
相关概念视频
Microenvironments
Microorganisms inhabit highly localized spaces known as microenvironments, which are defined by distinct physical and chemical characteristics. These include oxygen concentration, pH, temperature, light availability, and nutrient levels. The conditions within a microenvironment can differ markedly from those in the surrounding area and significantly influence microbial growth, metabolism, and community structure.Microenvironments often display sharp physicochemical gradients over small spatial...
Marine Microbial Ecology
Marine microbial ecosystems are shaped by distinct physicochemical limits, including high salinity, low nutrient availability, and fluctuating oxygen levels. These conditions favor smaller microbial cell sizes, which maximize their surface-to-volume ratio for efficient nutrient uptake.Microbial activity and community composition are closely linked to biogeochemical cycles, particularly in dynamic environments like estuaries, where halotolerant microbes thrive in response to variable salinity...
Freshwater Microbial Ecology
Freshwater systems such as streams, rivers, and lakes exhibit distinct physical and biological characteristics that influence their microbial communities. These environments are broadly categorized into lotic systems—those with flowing waters like streams and most rivers—and lentic systems, which include still or slow-moving waters such as lakes, ponds, and marshes.In lentic systems, phytoplankton drive primary production, generating autochthonous organic carbon. In contrast, lotic systems...
Microbial Wastewater Treatment
Microbial communities in aquatic ecosystems play a key role in the natural breakdown of contaminants introduced through domestic and industrial effluents. Acting as biological catalysts, these microbes change and mineralize a wide range of organic and inorganic pollutants under different redox conditions.In oxygen-rich surface waters, aerobic heterotrophs lead organic matter breakdown, using oxygen as the terminal electron acceptor to efficiently oxidize substrates to carbon dioxide and water.
