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Stock assessment method: CMSY
By Jessika WoroniakAt Quantitative‐Aquatics May 30th 2019
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General overview:
1. Brief description of the CMSY method
2. CMSY project ‐ what has been done
3. CMSY project ‐ what we are doing nowImproving the analysesBuilding a database for Relative Biomass
4. CMSY on the web
5. Global Fishing Index
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CMSY – Catch Maximum Sustainable Yield
CMSY toolINPUTS OUTPUTS
• Catch timeseries• Resilience• (Stock health indicator)
Fisheries management data•msy•rmax•k•Stock biomass•Exploitation rate
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Lethrinus miniatus
Trumpet emperoron the Great Barrier Reef
MEs: Torres Strait Northern Great Barrier Reef & Central and Southern Great Barrier Reef & Coral Sea
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CMSY – Catch Maximum Sustainable Yield
CMSY toolINPUTS OUTPUTS
• Catch timeseries• Resilience
Fisheries management data•msy•rmax•k•Stock biomass•Exploitation rate
• (Stock health indicator)
Indication of relative biomass:CPUEBiomassSpawning stock biomassB/Bmsy or B/k…
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Lethrinus miniatus
Trumpet emperoron the Great Barrier Reef
MEs: Torres Strait Northern Great Barrier Reef & Central and Southern Great Barrier Reef & Coral Sea
![Page 8: Stock assessment method: CMSY - q-quatics.org€¦ · Microsoft PowerPoint - Ppt0000002.ppt [Read-Only] Author: JGlorioso Created Date: 6/10/2019 2:18:43 PM](https://reader033.vdocuments.mx/reader033/viewer/2022051815/603efda790a69c37d906d99a/html5/thumbnails/8.jpg)
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2. What has been done.
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Marine Ecoregions of the world (MEOW or ME)
232 MEs218 Countries
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Marine Ecoregions of the world (MEOW or ME)
EEZ ME
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1320 Stocks
483 Species
Palomares et al. (2018) A preliminary global assessment of the status of exploited marine fish and invertebrate populations
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Palomares et al. (In press) Biomass time series trends of fish populations in marine ecoregions, climatic zones and ocean basins
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Palomares et al. (In review) Biomass time series trends of fish populations in marine ecoregions, climatic zones and ocean basins
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3. What we are doing now.
Improving our results by including external data
&Building a relative biomass database
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4. CMSY results on the website
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CMSY results on the website
BiomassCatchExploitation rateAll
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CMSY results on the website
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5. Global Fishing Index (GFI)Project in partnership with the Minderoo FoundationFlourishing Oceans umbrella:
“A flourishing ocean is one that can withstand a changing climate and increasing human pressures. It’s healthy, resilient, free from pollution
with a plentiful biomass of fished species.Our key objective is to return our oceans to a flourishing state by eliminating overfishing and marine pollution and facilitating world
class research.”
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Thank you