The purpose of this project is to develop spatially discrete end-to-end models of the California Current LME, linking oceanography, biogeochemistry, food web interactions, habitat, fisheries, economics, monitoring, and management into a common model framework. This framework allows for thought experiments, including evaluation of alternate management strategies, identifying robust indicators, and assessing relative importance of different ecosystem drivers in regulating important processes. NMFS personnel are conducting this work in broad collaboration with other NOAA scientists, academics, and NGOs. The specific work entails model development, scoping issues with stakeholders and policy makers, running scenarios, and analyzing and writing up the results. Products will include peer-reviewed papers, presentations, and workshops with modelers and/or stakeholders. Management audiences include NMFS west coast regions and the PFMC. The project is an on-going, stand-alone project with no firm deadline for completion. Published as Horne et al. 2010 NOAA NWFSC Tech memo 104, with full Excel data sheets: https://www.nwfsc.noaa.gov/publications/scipubs/displayinclude.cfm?incfile=technicalmemorandum2010.inc.

The purpose of this project is to develop spatially discrete end-to-end models of the California Current LME, linking oceanography, biogeochemistry, food web interactions, habitat, fisheries, economics, monitoring, and management into a common model framework. This framework allows for thought experiments, including evaluation of alternate management strategies, identifying robust indicators, and assessing relative importance of different ecosystem drivers in regulating important processes. NMFS personnel are conducting this work in broad collaboration with other NOAA scientists, academics, and NGOs. The specific work entails model development, scoping issues with stakeholders and policy makers, running scenarios, and analyzing and writing up the results. Products will include peer-reviewed papers, presentations, and workshops with modelers and/or stakeholders. Management audiences include NMFS west coast regions and the PFMC. The project is an on-going, stand-alone project with no firm deadline for completion. Outputs of the ROMS model. Metadata and .nc datafile at https://www.nodc.noaa.gov/oceanacidification/data/0131198.xml Generated from Atlantis ecosystem model, version AtlantisTrunk5425. Model code from CSIRO Australia, available via SVN after contacting CSIRO staff at http://atlantis.cmar.csiro.au/.

The purpose of this project is to develop spatially discrete end-to-end models of the California Current LME, linking oceanography, biogeochemistry, food web interactions, habitat, fisheries, economics, monitoring, and management into a common model framework. This framework allows for thought experiments, including evaluation of alternate management strategies, identifying robust indicators, and assessing relative importance of different ecosystem drivers in regulating important processes. NMFS personnel are conducting this work in broad collaboration with other NOAA scientists, academics, and NGOs. The specific work entails model development, scoping issues with stakeholders and policy makers, running scenarios, and analyzing and writing up the results. Products will include peer-reviewed papers, presentations, and workshops with modelers and/or stakeholders. Management audiences include NMFS west coast regions and the PFMC. The project is an on-going, stand-alone project with no firm deadline for completion. Results of Atlantis ecosystem model simulations Metadata and .nc datafile at https://www.nodc.noaa.gov/oceanacidification/data/0131198.xml Generated from Atlantis ecosystem model, version AtlantisTrunk5425. Model code from CSIRO Australia, available via SVN after contacting CSIRO staff at http://atlantis.cmar.csiro.au/.

The purpose of this project is to develop spatially discrete end-to-end models of the northern Gulf of California, linking oceanography, biogeochemistry, food web interactions, habitat, fisheries, economics, monitoring, and management into a common model framework. This framework allows for thought experiments, including evaluation of alternate management strategies, identifying robust indicators, and assessing relative importance of different ecosystem drivers in regulating important processes. NMFS personnel are conducting this work in broad collaboration with a consortium of Mexican federal, state, NGO and academic scientists. The specific work entails model development, scoping issues with stakeholders and policy makers, running scenarios, and analyzing and writing up the results. Products include peer-reviewed papers, presentations, and workshops with modelers and/or stakeholders. Management audiences include Mexican governmental bodies and conservation organizations. The project is an on-going, stand-alone project with no firm deadline for completion. Outputs of Atlantis model scenarios.

We are calculating the risk of focal groundfish species to non-fisheries related threats (e.g. shipping activity, inorganic pollution) and comparing the relative status and trends of each threat. This work is part of the larger Integrated Ecosystem Assessment for the California Current. Non fisheries threats.

This layer is intended to represent information collected during NOAA Fisheries’ California Current Ecosystem Survey. The California Current Ecosystem Survey started in 2006 and is led by NMFS Southwest Fisheries Science Center. This survey monitors West Coast coastal pelagic fish species (CPS) including the northern and central sub-populations of Northern Anchovy, the northern subpopulation of Pacific Sardine, Jack Mackerel, Pacific Mackerel, Pacific Herring, their prey items, and the biotic and abiotic environments of the California Current Ecosystem. These data are used to estimate the distribution, biomass, and demographics of species of interest to inform stock assessments. The CCES survey typically occurs annually between July and September on the West Coast of the U.S. and Canada, with a recent expansion into Mexico thanks to a collaboration with the Instituto Mexicano Investigación en Pesca y Acuacultura Sustentables (IMIPAS, formerly INAPESCA). During the day multifrequency, scientific echosounders, a continuous underway fish egg sampler (CUFES), and an underway conductivity-temperature-depth (UCTD) probe are all used to collect data. At night, surface trawls are conducted in locations where coastal pelagic species were observed acoustically during the day. The trawls serve to estimate the species composition and demographics of the fishes sampled acoustically during the day. In recent years, sampling from NOAA ships has been augmented with acoustic sampling by unmanned surface vehicles (Saildrone USVs), and with acoustic and purse-seine sampling from industry fishing vessels off WA, OR, and CA. The sampling from fishing vessels expands the survey into areas that are inhabited by CPS but are too shallow for the NOAA ships to safely navigate.

Our experience with juvenile sablefish and long term rearing of broodstock indicate that salmon grower feeds currently used by commercial sablefish farmers for grow out are not optimally formulated to support maximum growth and efficient feed conversion. However, there are no published studies examining the effects of dietary nutrient balance on productive performance and growth at any post larval life-history stage for this species, and there are currently no commercial diets specifically formulated for sablefish in the marketplace. Because of the large impact of feed cost on the economic viability of farming sablefish, we are focusing on grow out diets intended for use during the post larval stages of development when the fish are being reared to harvest size. In this research, we use a novel statistical mixture model and response surface analysis method to determine the optimal level of dietary protein, lipid and digestible carbohydrate for testing. This approach permits simultaneous testing of diet formulations encompassing the full range of protein, lipid and digestible carbohydrate that can be produced commercially using today’s most advanced extrusion feed manufacturing technology. Raw data on rearing densities, tanks, water temperature, mortalities, ration and feed size may be available.

The purpose of this project is to develop spatially discrete end-to-end models of the northern Gulf of California, linking oceanography, biogeochemistry, food web interactions, habitat, fisheries, economics, monitoring, and management into a common model framework. This framework allows for thought experiments, including evaluation of alternate management strategies, identifying robust indicators, and assessing relative importance of different ecosystem drivers in regulating important processes. NMFS personnel are conducting this work in broad collaboration with a consortium of Mexican federal, state, NGO and academic scientists. The specific work entails model development, scoping issues with stakeholders and policy makers, running scenarios, and analyzing and writing up the results. Products include peer-reviewed papers, presentations, and workshops with modelers and/or stakeholders. Management audiences include Mexican governmental bodies and conservation organizations. The project is an on-going, stand-alone project with no firm deadline for completion. Available online as appendices: NOAA Tech. Memo., NMFS-NWFSC-110.

Our experience with juvenile sablefish and long term rearing of broodstock indicate that salmon grower feeds currently used by commercial sablefish farmers for grow out are not optimally formulated to support maximum growth and efficient feed conversion. However, there are no published studies examining the effects of dietary nutrient balance on productive performance and growth at any post larval life-history stage for this species, and there are currently no commercial diets specifically formulated for sablefish in the marketplace. Because of the large impact of feed cost on the economic viability of farming sablefish, we are focusing on grow out diets intended for use during the post larval stages of development when the fish are being reared to harvest size. In this research, we use a novel statistical mixture model and response surface analysis method to determine the optimal level of dietary protein, lipid and digestible carbohydrate for testing. This approach permits simultaneous testing of diet formulations encompassing the full range of protein, lipid and digestible carbohydrate that can be produced commercially using today’s most advanced extrusion feed manufacturing technology. Fish in experiments may be PIT tagged and regularly checked for growth in length and weight.