Abstract

http://ssrn.com/abstract=2057739
 


 



The Ensemble Kalman Filter in Bioeconomics


Sturla Kvamsdal


Norwegian School of Economics (NHH)

Leif Kristoffer Sandal


Norwegian School of Economics (NHH) - Department of Business and Management Science

May 14, 2012

NHH Dept. of Finance & Management Science Discussion Paper No. 2012/5

Abstract:     
We demonstrate the power of the Ensemble Kalman Filter in specifying ecosystem models ideal for bioeconomic analysis. Bioeconomic analysis requires models to be relatively simple, but models must still capture the nature and dynamics of the system. With the Ensemble Kalman Filter, we are able to capture complex dynamics in multispecies models with models simple enough to allow further bioeconomic analysis. While bioeconomic analysis has had limited influence on management decisions, the advent of new methods and the need for high dimensional ecosystem based management models may make bioeconomic research more relevant in the future. The filter is applied to a ecosystem model of the commercially most important species in the Barents Sea. The simpler, aggregated stochastic biomass models capture the complex dynamics of the pelagic stocks on the level needed for making decisions on for example allowable catches.

Number of Pages in PDF File: 29

Keywords: Ensemble Kalman Filter, Ecosystem Management, Bioeconomics, Aggregated Biomass Models

JEL Classification: Q00, Q50, Q57

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Date posted: May 15, 2012  

Suggested Citation

Kvamsdal, Sturla and Sandal, Leif Kristoffer, The Ensemble Kalman Filter in Bioeconomics (May 14, 2012). NHH Dept. of Finance & Management Science Discussion Paper No. 2012/5. Available at SSRN: http://ssrn.com/abstract=2057739 or http://dx.doi.org/10.2139/ssrn.2057739

Contact Information

Sturla Kvamsdal (Contact Author)
Norwegian School of Economics (NHH) ( email )
Helleveien 30
Bergen, NO-5045
Norway
Leif Kristoffer Sandal
Norwegian School of Economics (NHH) - Department of Business and Management Science ( email )
Helleveien 30
Bergen, NO-5045
Norway
+47 55 95 93 41 (Phone)
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