Primary productivity contribution - PICES · Primary productivity contribution to climate-catch...
Transcript of Primary productivity contribution - PICES · Primary productivity contribution to climate-catch...
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Primary productivity contribution
to climate-catch models of Pacific sardine
1Romeo Saldívar-Lucio, 1R. Martínez-Rincón, 2M. Morales, 1S. Lluch-Cota, 1D. Lluch-Cota, C.1,3Salvadeo y 4G. Ponce-Díaz.
1. Centro de Investigaciones Biológicas del Noroeste (CIBNOR), BCS, México.
2. Department of Ecology and Evolutionary Biology, University of California. Santa Cruz, California, USA.
3. Universidad Autónoma de Baja California Sur (UABCS)
4. Centro Interdisciplinario de Ciencias Marinas (CICIMAR-IPN), México.
Small Pelagics Symposium
March 6-11, 2017
Victoria, BC, Canada
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ChallengingManagement
Climate-Catch
Multidimensional hábitat Quick response
Checkeley et al., 2017; Koenigstein et al., 2016; Zwolinski 2014;
Lluch-Cota 2013; Bakun et al., 2010; Lluch-Belda et al., 2003.
Modelling approaches
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Small-pelagics fishing, registers the highestcatches than any other fishery in the world.
FAO, 2016; Isaac, 2016
Climate-Catch Models
They are also important to worldwide
aquaculture as a source of food for farmedspecies.
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Herring
Sardines Anchovies
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Warming
period
Sardine expansion ~30 years process
Pacific sardine
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Cooling
period
Sardine contraction ~30 years process
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Climate-Catch Models
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Humboldt CanariasBenguela
15 Stations
21 – 60° N
fish stock nowcast/forecast models using climate and upwelling information
1946 – 2012 . . .
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MAXIMUM AUTOCORRELATION FACTOR ANALYSIS
(MAFA)
≈ PRINCIPAL COMPONENTS
ANALYSIS
Switzer y Green, 1984; Shapiro y Switzer, 1989
AUTOCORRELATION VARIANCE
Priority to the dominantstructure in time
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MAF2
Nowcast
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Nowcast
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Climate-Catch Models
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2012
Washington
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Washington
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Washington
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Washington
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However . . .
…is a big jump!
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McFarlane et al., 2005. CalCOFI Rep.
Primary Productivity
Climate-Catch Models
Diet Variability
Distribution & abundance
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Some authors have suggested the relevance of(sardine/anchovies) feeding apparatus sizes tocapture different portions of plankton species.
Rykaczewski, 2009; Bakun 2004
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Wind fields, stratification,
upwelling, oceanic eddies
Climate-Catch Models
Macias et al., 2012; Di Lorenzo et al., 2008; Rykaczewski and Checkley, 2008; Mantua et al., 1997
Primary Productivity
Local
Regional
Basin
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PICES, 2014 +
Climate-Catch Models
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This work was aimed to test the contribution of(multi-scale) PP and closely related oceanic processes,(e.g. upwelling, eddies) in climate-catch models of thepacific sardine at three fishing ports of the easternmargin of the North Pacific basin.
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British Columbia
California
B. Magdalena
Historicalcatches
Climate-Catch Models
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Zowolinski and Demer, 2014
DOUBLE CLIMATIC CONTROL
Adults Condition Factor
Reproductive Success
Climate-Catch Models
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RECRUITMENT
Parental stock size
Subsequent recruitment
Year class strength
ά= density-dependent parameter
β= level of densitydependence
Galindo-Cortes et al., 2009; Sparre and Venema, 1998
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Climate-Catch Models
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1900
1950
1993
2003
Present
BASIN
REGIONAL
LOCAL
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Environmental Data
British Columbia, Can: Lat: 48 – 50 °N
Lon: 124 – 128 °W
California, US: Lat: 32 – 34 °N
Lon: 118 – 122 °W
Bahía Magdalena, Mex: Lat: 22 – 24 °N
Lon: 110 – 114 °W
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CATCH
RECRUITMENT
ENVIR-1 ENVIR-2
Climate-Catch Models
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BASIN
BASIN + REGIONAL
REGIONAL
REGIONAL + LOCAL
LOCAL + BASIN
LOCAL
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BASIN REGIONAL LOCAL
R2 %D.E. Residuals
* Selection criteria (statistics)* Three variables (PP)
Relative contributions (%)
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British Columbia
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REGIONAL1917-2007
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REGIONAL1917-2005
REGIONAL1917-2009
Climate-Catch Models
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REGIONAL + LOCAL1951 - 2009
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Regional + Local1981 - 2007
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Climate-catch models may guidecomplex modelling approaches
Climate-catch models retain animportant potential utility toinform management decisions,because of their relativesimplicity.
The appropriate representationof key physical/biologicalprocesses is a constantchallenge to marine scientistand modelers.
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Primary productivity contribution
to climate-catch models of Pacific sardineRomeo Saldívar-Lucio, R. Martínez-Rincón, M. Morales,
S. Lluch-Cota, D. Lluch-Cota, C. Salvadeo y G. Ponce-Díaz.
Small Pelagics Symposium
March 6-11, 2017
Victoria, BC, Canada