CASS VSE Report, Revised Final Draft, Sept 19
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CASS VSE Report, Revised Final Draft, Sept 19
Coastal Aquaculture Siting and Sustainability NCCOS/National Ocean ServiceknORfijL ÀCASS Technical ReportVentura Shellfish Enterprise: Aquaculture Sit CASS VSE Report, Revised Final Draft, Sept 19ting Analysis ResultsRevised: September Ì9. 2018Seth J. Theuerkauf, Ph.D.1, Virginia Crothers, M.S.1, and James A. Morris, Jr.. Ph.D.' Jess, Inc. for NOAA NOS NCCOS. Beaufort. NC :NOAA NCCOS. Beaufort. NCINTRODUCTIONSpatial planning for aquaculture operations, wherein spatial data representing key e CASS VSE Report, Revised Final Draft, Sept 19nvironmental and space use conflicts are synthesized to identify areas with the highest likelihood for compatibility with aquaculture operations, is aCASS VSE Report, Revised Final Draft, Sept 19
critical first step to ensure environmentally and economically sustainable aquaculture industry development. Aquaculture siting analyses involve the Coastal Aquaculture Siting and Sustainability NCCOS/National Ocean ServiceknORfijL ÀCASS Technical ReportVentura Shellfish Enterprise: Aquaculture Sit CASS VSE Report, Revised Final Draft, Sept 19at can be used to inform policy and permitting decisions regarding where aquaculture operations can be located.The Ventura Shellfish Enterprise (hereafter ‘VSE’) is a multi-party initiative seeking to permit twenty 100-acre plots of ocean space for aquaculture production of the Mediterranean mussel CASS VSE Report, Revised Final Draft, Sept 19(.\fynhis gaJtoprovincialis) via submerged long lines in federal waters within the Santa Barbara Channel, proximate to Ventura Harbor. California, USACASS VSE Report, Revised Final Draft, Sept 19
. The key participants in the VSE, including Coastal Marine Biolabs. The Cultured Abalone Farm, and the Ashworth Leninger Group, have worked with the Coastal Aquaculture Siting and Sustainability NCCOS/National Ocean ServiceknORfijL ÀCASS Technical ReportVentura Shellfish Enterprise: Aquaculture Sit CASS VSE Report, Revised Final Draft, Sept 19found on the VSE website: venturashellfishenterprise.com. or by contacting the VSE Co-Project Managers, Everard Ashworth at EAshworth@algcorp.com or Brian Pendleton at BPendleton@venturaharbor.com.NOAA’s Coastal Aquaculture Siting and Sustainability (CASS) Program conducted a comprehensive and objec CASS VSE Report, Revised Final Draft, Sept 19tive siting analysis for the proposed VSE project, which is the subject of this technical report. This siting analysis utilized the best available, hiCASS VSE Report, Revised Final Draft, Sept 19
gh-resolution spatial data to represent key potential environmental and space use conflicts that constrain the siting of an aquaculture operation withCoastal Aquaculture Siting and Sustainability NCCOS/National Ocean ServiceknORfijL ÀCASS Technical ReportVentura Shellfish Enterprise: Aquaculture Sit CASS VSE Report, Revised Final Draft, Sept 19irements and was iteratively developed with input provided by the United States Army Corps of Engineers (USACE) Los Angeles District. NOAA (including the National Marine Fisheries Service and the National Ocean Service), the State of California Aquaculture Coordinator, the California Coastal Commiss CASS VSE Report, Revised Final Draft, Sept 19ion, and the VSE team.The Coastal Aquaculture Siting and Sustainability (CASS) program supports works to provide science-based decision support toolsCASS VSE Report, Revised Final Draft, Sept 19
to local, state, and federal coastal managers supporting sustainable aquaculture development. The CASS program is located within the Marine Spatial EcCoastal Aquaculture Siting and Sustainability NCCOS/National Ocean ServiceknORfijL ÀCASS Technical ReportVentura Shellfish Enterprise: Aquaculture Sit CASS VSE Report, Revised Final Draft, Sept 19able marine aquaculture practices visit https:.'1 coastalscience.noaa.gov'research marine-spatial-ecologv.'aquaculture.'' or contact Dr. James Morris at James. Morrisíã noaa gov.METHODSData InventoryA comprehensive spatial data inventory was developed for the Santa Barbara Channel region to inform t CASS VSE Report, Revised Final Draft, Sept 19he VSE siting analysis, specifically, the data inventory included data layers from the following categories: military, industry and recreation, commerCASS VSE Report, Revised Final Draft, Sept 19
cial fishing, navigation, natural resources, and oceanographic / biophysical. We conducted an exhaustive search and survey to identify web-based resouCoastal Aquaculture Siting and Sustainability NCCOS/National Ocean ServiceknORfijL ÀCASS Technical ReportVentura Shellfish Enterprise: Aquaculture Sit CASS VSE Report, Revised Final Draft, Sept 19Department of Defense. Bureau of Ocean Energy Management, California Department of Fish and Wildlife) and academic institutions (e.g.. University of California at Santa Barbara) contributed spatial data. Data was checked for completeness and quality to ensure that the most authoritative source was u CASS VSE Report, Revised Final Draft, Sept 19sed. The complete data inventory generated for this siting analysis can be found in Table 1.Project RequirementsWe obtained quantitative requirementsCASS VSE Report, Revised Final Draft, Sept 19
for the VSE project directly from the technical coordinator for the VSE team. These requirements included a request for the following items of informaCoastal Aquaculture Siting and Sustainability NCCOS/National Ocean ServiceknORfijL ÀCASS Technical ReportVentura Shellfish Enterprise: Aquaculture Sit CASS VSE Report, Revised Final Draft, Sept 19ect location coordinates (if available), 4) approximate proposed project size, 5) preferred port, 6) maximum distance from preferred port, 7) species to be cultivated, 8) acceptable depth range. 9) acceptable seawater temperature range. 10) acceptable current velocity range. 11) maximum allowable wa CASS VSE Report, Revised Final Draft, Sept 19ve energy, and 12) additional comments or specifications. This information was obtained from the VSE team via a Google Form. All fields were optional.CASS VSE Report, Revised Final Draft, Sept 19
Spatial Analytical ApproachThe spatial analysis for the VSE project was conducted within ArcMap 10.5 (Esri 2016), and is a type of spatial multi-criteCoastal Aquaculture Siting and Sustainability NCCOS/National Ocean ServiceknORfijL ÀCASS Technical ReportVentura Shellfish Enterprise: Aquaculture Sit CASS VSE Report, Revised Final Draft, Sept 19itability, or areas with the highest likelihood of compatibility. When utilized within an aquaculture spatial planning context, suitability analyses integrate data representing environmental or space-use constraints to identify areas that minimize potential conflicts and have the highest likelihood CASS VSE Report, Revised Final Draft, Sept 19for compatibility with aquaculture operations. Within a suitability analysis, each individual spatial data layer is re-scaled according to a defined sCASS VSE Report, Revised Final Draft, Sept 19
uitability relationship (e.g.. locations associated with the highest vessel traffic are assigned a score of ‘O’, locations of lowest vessel traffic arCoastal Aquaculture Siting and Sustainability NCCOS/National Ocean ServiceknORfijL ÀCASS Technical ReportVentura Shellfish Enterprise: Aquaculture Sit CASS VSE Report, Revised Final Draft, Sept 19more important conflict considerations), and all data layers can be integrated within the spatial analysis to identify locations with the highest likelihood for compatibility across all factors considered within the analysis. It is important to note that while weights can be assigned to individual s CASS VSE Report, Revised Final Draft, Sept 19patial data layers, each layer can also be assigned an equivalent weight such that no individual factor has a greater impact on the final scores and oCASS VSE Report, Revised Final Draft, Sept 19
utput of the spatial analysis.Based upon the project requirements criteria defined by VSE. we established a boundary for the ’area of interest' (hereaCoastal Aquaculture Siting and Sustainability NCCOS/National Ocean ServiceknORfijL ÀCASS Technical ReportVentura Shellfish Enterprise: Aquaculture Sit CASS VSE Report, Revised Final Draft, Sept 19ze was selected based on the spatial resolution of the available data and the proposed size of the VSE project. Utilizing the comprehensive data inventory we had previously developed for the Santa Barbara Channel region, wePage 2projected each spatial data layer to visualize and assess which layers CASS VSE Report, Revised Final Draft, Sept 19were contained within the AOI. Spatial data layers not contained within the AOI were not considered further within the VSE suitability analysis, but wCASS VSE Report, Revised Final Draft, Sept 19
ere mapped for visualization purposes within this report. Spatial data layers contained within the AOI were subsequently convened onto the previously Coastal Aquaculture Siting and Sustainability NCCOS/National Ocean ServiceknORfijL ÀCASS Technical ReportVentura Shellfish Enterprise: Aquaculture Sit CASS VSE Report, Revised Final Draft, Sept 19l was assigned a value corresponding to the vessel traffic density for a given cell’s location. After project ion of each spatial data layer onto the grid, individual grid cell values were rescaled according to a pre-defined rule (e.g.. locations associated with the highest vessel traffic are assign CASS VSE Report, Revised Final Draft, Sept 19ed a score of *0’. locations of lowest vessel traffic are assigned a score of • r). Re-scal ing of each spatial data layer was essential to ensure eacCASS VSE Report, Revised Final Draft, Sept 19
h factor was on a common scale (0 - less compatible, to 1 - more compatible). Within G1S. the overall suitability of each cell (5') for siting the VSLCoastal Aquaculture Siting and Sustainability NCCOS/National Ocean ServiceknORfijL ÀCASS Technical ReportVentura Shellfish Enterprise: Aquaculture Sit CASS VSE Report, Revised Final Draft, Sept 19j and the associated weight IF for factor .V summed across all factors. It is important to note that within this analysis, all factors were considered to have equivalent weighting. After calculation of overall suitability scores using the function described above, a secondary calculation was conduct CASS VSE Report, Revised Final Draft, Sept 19ed to remove (i.e., assign a score of’O’) grid cells that received a score of *0’ for any individual factor. This second-order calculation was necessaCASS VSE Report, Revised Final Draft, Sept 19
ry to ensure that grid cells associated with locations of known incompatibility were removed from further consideration. On a scale ofO to 1. grid celGọi ngay
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