OHI+ Kenya_Technical Report_2018

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Ocean Health Index - Kenya 2018 39 9.6.1. Pressure indicators - Fisheries sub-goal Indicator Metric/Measure Scale Data Source(s) Intertidal habitat destruction Human population within 5-miles of the coastline Local Centre for International Earth Science Information Network - CIESIN - Columbia University. 2017. Gridded Population of the World, Version 4 (GPWv4): Population count, Revision 10. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). Weakness of social progress Weakness of governance Inverse of the County Development Index The inverse of County Performance Index scores Local Local https://doi.org/10.7927/H4DZ068D. Commission on Revenue Allocation (CRA) (http://www.crakenya.org/wp- content/uploads/2013/10/CREATING-A-COUNTY- DEVELOPMENT-INDEX-TO-IDENTIFY-MARGINALISED- COUNTIES.pdf) CountyTrak Performance Index Infotrack (http://countytrak.infotrakresearch.com/countyregions/) Subtidal soft bottom habitat destruction Nutrient pollution Destructive fishing practices Fishing intensity Demand for fish Prawn trawling effort as a proxy Level of pollution intensity within 12nm Weighted proportion of illegal gears Proportion of total number of fishers per county to the total number of fishers Coastal population density within 25mi from the shore Local Shallow water prawn fishing dataset, 2016 – 2017, Kenya Fisheries Service (KeFS). Local Local Local Local Modelled nutrient pollution within 12nm of coastline based on fertilizer consumption https://ohi.nceas.ucsb.edu/data/data/nutrient_pollutio n (Halpern et al., 2008) Marine Artisanal Fisheries Frame Survey 2016, Kenya Report. Marine Artisanal Fisheries Frame Survey 2016, Kenya Report. Socioeconomic Data and Applications Centre (SEDAC) http://sedac.ciesin.columbia.edu/data/set/gpw-v4- population-density-rev10/ Bycatch from prawn trawling Percentage of landed bycatch (non-target fish) Local Centre for International Earth Science Information Network - CIESIN - Columbia University. 2017. Gridded Population of the World, Version 4 (GPWv4): Population count, Revision 10. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4DZ068D. Kenya Marine and Fisheries Research Institute (KMFRI). Status of the Kenya shallow water industrial prawn trawling season 2017. KMFRI Research Report No. OCS/FIS/2017-2018/020-029. 35pp. 9.6.2. Resilience indicators - Fisheries sub-goal Indicator Metric/Measure Scale Data Source(s)
Ocean Health Index - Kenya 2018 40 Coastal ecological integrity Coastal protected marine areas No-take areas Protected area management effectiveness Artisanal fisheries management effectiveness Social progress Strength of governance condition of species located within 3nm offshore of each region Percentage of territorial waters under protection compared to 30% target Percentage of territorial waters designated no-take areas compared to 10% target Management Effectiveness Tracking Tool (METT) scores Index score from survey responses on fisheries management at the county level and BMU effectiveness County Development Index County Performance Index Global Local Local Local Local Local Local IUCN Red List of Threatened species (http://www.iucnredlist.org/) IUCN Species range maps (shapefiles, used preferentially) AquaMaps (http://www.aquamaps.org/, http://www.mpatlas.org/data/download/ Database: Marine Conservation Institute. (2015). MPAtlas. Seattle, WA. www.mpatlas.org 2015 http://www.mpatlas.org/data/download/ Database: Marine Conservation Institute. (2015). MPAtlas. Seattle, WA. www.mpatlas.org 2015 Kenya Wildlife Service_METT results for MPAs BMU Needs assessment data – KeFS and Survey responses on county level fisheries management Commission on Revenue Allocation (CRA) (http://www.crakenya.org/wp- content/uploads/2013/10/CREATING-A-COUNTY- DEVELOPMENT-INDEX-TO-IDENTIFY-MARGINALISED- COUNTIES.pdf) Infotrack (http://countytrak.infotrakresearch.com/countyregions/) 9.7. Habitat goal model and analysis The status of the habitat sub-goal, x hab , was assessed as the average of the health/condition estimates, C, for each habitat, k, present in a region; measured as the loss of habitat and/or % degradation of remaining habitat, such that: where, C k =C c /C r and N is the number of habitats in a region. C c is the current condition and C r is the reference condition specific to each k habitat present in the region. This formulation ensures that each country is assessed only for those habitats that can exist. For both coral reef and mangrove data, the linear trend across the latest 5 years of data for each region (county) was calculated and the trend score was normalised using the following formula: linear change in cover per year cover of the first year × number of years (score>1 capped at 1, and score
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