Toward integrative management advice of water quality, oil spills, and fishery in the Gulf of Finland : a Bayesian approach
2014
Rahikainen, Mika | Helle, Inari | Haapasaari, Päivi | Oinonen, Soile | Kuikka, Sakari | Vanhatalo, Jarno | Mäntyniemi, Samu | Hoviniemi, Kirsi-Maaria | University of Helsinki | Finnish Environment Institute | Maa- ja elintarviketalouden tutkimuskeskus (MTT) / TAL Talous- ja yhteiskuntatieteellinen tutkimus (TAY/4110)
Understanding and managing ecosystems affected by several anthropogenic stressors require methods that enable analyzing the joint effects of different factors in one framework. Further, as scientific knowledge about natural systems is loaded with uncertainty, it is essential that analyses are based on a probabilistic approach. We describe in this article about building a Bayesian decision model, which includes three stressors present in the Gulf of Finland. The outcome of the integrative model is a set of probability distributions for future nutrient concentrations, herring stock biomass, and achieving the water quality targets set by HELCOM Baltic Sea Action Plan. These distributions can then be used to derive the probability of reaching the management targets for each alternative combination of management actions.
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