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首页> 外文期刊>ICES Journal of Marine Science >Exploring The Effect Of Marine Protected Areas On The Dynamics Of Fish Communities In The Southern Benguela: An Individual-based Modelling Approach
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Exploring The Effect Of Marine Protected Areas On The Dynamics Of Fish Communities In The Southern Benguela: An Individual-based Modelling Approach

机译：探索海洋保护区对本格拉南部鱼类群落动态的影响：基于个体的建模方法

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摘要

Marine Protected Areas (MPAs) have been suggested as a tool that can achieve some of the goals of an Ecosystem Approach to Fisheries (EAF), e.g. prevention of overexploitation, biodiversity conservation, recovery of overexploited population, but the consequences of their establishment on the dynamics of protected components are often unclear. Spatial and multispecies models can be used to investigate the effects of their introduction. An individual-based, spatially explicit, size-structured, multispecies model (known as OSMOSE) is used to investigate the likely consequences of the introduction of three MPAs off the coast of South Africa, individually or in combination. The simultaneous introduction of the MPAs affected varying proportions of the distribution of the modelled species (5-17%) and 12% of the distribution of the whole community. In general, the introduction of the MPAs in the different scenarios resulted in a relative increase in the biomass of large predatory fish and a decrease in the biomass of small pelagic fish. The simulation demonstrates that consideration of trophic interactions is necessary when introducing MPAs, with indirect effects that may be detrimental to some (mainly smaller prey) species.
机译：已建议将海洋保护区（MPA）作为一种工具，可以实现渔业生态系统方法（EAF）的某些目标，例如防止过度开发，保护生物多样性，过度开发种群的恢复，但建立这种活动对受保护组成部分动态的影响往往不清楚。空间和多物种模型可用于调查其引入的影响。基于个体的，空间明确的，大小结构的多物种模型（称为OSMOSE）用于研究在南非沿海单独或组合引入三种MPA的可能后果。同时引入MPA影响了建模物种分布的不同比例（5-17％）和整个社区分布的12％。一般而言，在不同情况下引入海洋保护区导致大型掠食性鱼类的生物量相对增加，而小型远洋鱼类的生物量减少。模拟表明，引入MPA时必须考虑营养相互作用，其间接影响可能对某些（主要是较小的猎物）物种有害。

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