在预测有害藻类繁殖时信息的价值
Amelie Luhede1, Jan A Freund2, Jan-Claas Dajka3
1Bielefeld University, Faculty of Business Administration and Economics, Universitätsstraße 25, 33615 Bielefeld, Germany; Helmholtz-Institute for Functional Marine Biodiversity at the University of Oldenburg (HIFMB), Im Technologiepark 5, 26129 Oldenburg, Germany; Carl von Ossietzky University Oldenburg, Institute for Chemistry and Biology of Marine Environments (ICBM), Carl-von-Ossietzky Straße 9-11, 26129 Oldenburg, Germany.
Journal of environmental management
|November 29, 2024
概括
量化信息价值 (VoI) 可以改善紧急的环境决策. 在德国北海,减少对有害藻类繁殖 (HAB) 的不确定性,可以为渔业管理带来显著的经济效益.
科学领域:
- 生态系统管理 生态系统管理
- 环境经济学环境经济学
- 海洋生态海洋生态学
背景情况:
- 环境决策通常涉及在不确定性下做出紧急选择,例如直接采取行动或收集更多数据.
- 信息价值 (VoI) 理论量化了减少不确定性的好处,不仅适用于经济学,还适用于保护.
- 有害藻类繁殖 (HAB) 在沿海水域带来生态和经济风险,需要明智的管理策略.
研究的目的:
- 评估减少德国北海沿海水域有害藻类繁殖 (HABs) 的不确定性所带来的预期好处.
- 通过信息价值 (VoI) 分析,评估改善信息对管理决策的影响.
- 探索VoI理论在优化生物多样性保护和渔业管理战略中的应用.
主要方法:
- 利用已建立的动态食物网模型 (NPPZ) 与竞争性浮游植物 (有害与非有害) 和区域监测数据.
- 分析了HAB发生的不同指标的预测准确性,并结合了动物浮游生物数据.
- 采用VoI分析来评估减少管理决策的HAB指标不确定性的经济价值.
主要成果:
- 包括动物浮游生物数据在内,HAB发生预测准确度提高到0.65%.
- 信息价值 (VoI) 分析表明,通过减少不确定性,可能带来高达267万欧元的福利收益.
- 扩展监测可以显著提高决策的有效性,在管理HAB及其生态影响.
结论:
- 信息价值 (VoI) 分析是加强渔业和生态系统管理中的紧急环境决策的强大工具.
- 通过有针对性的监测策略来减少不确定性,可以减轻有害藻类繁殖 (HAB) 的不良影响.
- 该研究强调了将不确定性量化纳入生态管理和保护计划的重要性.
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