鱼水产养殖对谷底营养循环的环境依赖影响
Emily J Douglas1, Jenny R Hillman2, Andrew M Lohrer1
1Earth Sciences New Zealand, Hamilton, New Zealand.
Marine environmental research
|November 9, 2025
概括
贝类水产养殖对气循环有影响,而盆地贝类不会增强无机的去除. 环境条件和密度影响了去除,突出了双水产养殖效应的上下文依赖性.
科学领域:
- 海洋生物学 海洋生物学
- 水产养殖科学 水产养殖科学
- 生态系统生态学的生态学.
背景情况:
- 贝类水产养殖是一种可持续的做法,具有生态系统服务,如生物过.
- 然而,它可能会影响沿海环境,特别是循环和土去除,这些都未得到充分研究.
- 来自水产养殖线的本土贝可能会影响这些过程.
研究的目的:
- 评估影响谷循环和生态系统功能的环境因素.
- 评价掉落的盆地贝在增强无机去除中的作用.
- 了解这些生态系统服务的季节性变化和环境驱动因素.
主要方法:
- 在两个新西兰养殖场下面和外面测量了盆地氧气和营养流,包括去除.
- 评估季节性差异 (春季与秋季).
- 量化了盆地密度和生物质的影响.
主要成果:
- 与没有贝的地区相比,带有盆地贝的沉积物显示氧气消耗和营养释放的增加.
- 去除率是可变的,并且取决于环境.
- 贝养殖场可能会增加盆地生物多样性,但盆地贝并没有驱动去除;较高的贝数量与较低的脱效率相关.
- 没有证据表明本土贝可以控制研究区域的温化.
结论:
- 来自水产养殖的本土贝不会显著增强的去除,并且可能会对脱产生负面影响.
- 水产养殖的生态影响取决于环境,受农场特点和环境条件的影响.
- 双鱼养殖的许可和监测必须考虑这些特定地点的生态影响.
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