生态系统
垂钓
环境科学
生物量(生态学)
海岸带
生态系统服务
可持续管理
环境资源管理
渔业管理
湖泊生态系统
渔业
持续性
生态学
生物
作者
E. Ofir,T. Silver,Jeroen Steenbeek,Noam Shachar,Gideon Gal
出处
期刊:Fisheries
[Wiley]
日期:2022-12-07
卷期号:48 (3): 107-120
被引量:2
摘要
Successful management of lake ecosystems and the ecosystem services they provide necessitates ecosystem‐based management. The application of ecosystem‐based management can assist in achieving sustainable management of the ecosystem to ensure continued and sustainable supply of ecosystem services such as fisheries. One concept for defining sustainable fishing is the Safe Operating Space (SOS). In our study, we apply the Ecopath with Ecosim suite of models to predict the SOS required for the management of a commercial fishery. We use the Lake Kinneret (Israel) ecosystem as a case study to illustrate the approach by developing an Ecospace model of the lake and incorporating the spatio‐temporal framework and varying environmental conditions. We test, and demonstrate, the methodology for developing a SOS for a commercial fish population that can be implemented by lake managers elsewhere and illustrate it's use by defining example target values of biomass (e.g., 200 and 250 tons) and catch (e.g., 125 tons/year). Our results show that the SOS for a given target can be defined by a range of fishing efforts and vegetation cover in the lake as a function of lake level. The complexity in defining the actual values highlight the benefit of the approach we present here.
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