Day 4. Thursday, 11 Sep. 2014: BOBLME Ecosim, Economics & Spatial
09.00 –10.00
Summary of Day 3. Questions
Exploring the BOBLME Ecosim model:
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Effort time series (Ecosim data.pdf): qualities and flaws
Biomass time series
Catch time series and Stock Reduction Analysis (SRA)
Time series fitting of the model:
 Examination of fitting results and impact on functional
groups
 Alternative fits
 Implications
 Impact of different effort time series
 On the need for more time series
 Participants are invited to evaluate estimates of fishing
effort time series and provide advice on additional
information
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Monte Carlo simulation results
Monte Carlo runs: evaluate input parameter uncertainty
MSY estimation: trade-offs between species (ecosystem MSY <
sum of single species MSYs)
Potential future scenarios
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10.00 – 10.30
10.30 – 12.30
Readings: Reconstruction of effort time series for India (bhathal_brajgeet
2014 thesis.pdf)
BOBLME model times series (download from file list below: time series
3dec2013minimal.csv ; time series 3dec2013minimal.csv)
Readings: MSY, Walters et al., 2005
Tea/Coffee
From sea to consumer: modeling food webs and the economic value chain
Presentation: Economic and social analysis in EwE (EwEconomics.pdf)
Readings: Christensen et al. 2011. Christensen et al. 2014.
Exploring the BOBLME Ecopath model: economic and social aspects *)
12.30 – 13.30
Lunch
13.30 – 15.00
Spatial modeling; Introduction to habitat capacity modeling, zoning &
MPAs.
Presentation: Spatial modeling in EwE (Ecospace.pdf )
Readings: Walters et al. 1999. Christensen et al. 2009. Christensen et al.
in press.
15.00 – 15.30
Tea/Coffee
15.30 – 17.00
Tutorial 4: Spatial modeling of Anchovy Bay