Division of Subsistence, ADF&G, Review of Program

Division of Subsistence, ADF&G, Review of Program

Wild Food Consumption Rate Estimates: A Regional Analysis Approach James A. Fall Marylynne L. Kostick Division of Subsistence, ADF&G Human Health Criteria Technical Workgroup Meeting October 12, 2016 Meal of salmon, salmonberries, and rice, Sleetmute, Alaska 1 Alaska Statute 16.05.094 lists duties 1. Research and data compilation 2. Data reporting and education 3. Application of study findings (Local research assistant orientation in Noatak) (Introducing a project in Togiak) (Survey administration in Emmonak) 2 Regional and Rural Estimates Study years included in present analysis: 2012-2014 A total of 78 communities, representing all six regions of Alaska Southeast (n=6) Southcentral (n=20), Southwest (n=16) Western (n=6) Arctic (n=21) Interior (n=9) 3 Regional and Rural Estimates Resources: Salmon, non-salmon/freshwater fish, marine invertebrates, marine mammals Groups: All user groups (including non-users) v. Users only Mean, Median, 75th, 85th, 90th and 95th Percentiles Percentile user groups: User group 1: Harvest, did not share Use Level = (Total household harvest) / (Total household size) User group 2: Sharing network Use Level = (Sum total of harvests from households that harvested and shared) / (Sum total of household members of households that harvested/shared or did not harvest/received) User group 3: Did not use Use = 0 4 Mean & 95th Percentile Comparisons Per capita fish consumption (grams per day) Non-salmon freshwater fish, marine invertebrates All user groups 1000 800 600 400 189.1 153.5 200 49.3 118.4 44.0 10.5

0 37.0 5.0 21.7 37.6 98.1 76.6 176.4 44.9 Per capita fish consumption (grams per day) Users only 1000 800 635.8 635.8 600 450.8 400 200 138.2 69.5 0 397.8 347.2 53.4 18.2 11.7 28.7 48.8 103.1 71.5 5 Mean & 95th Percentile Comparisons Per capita fish consumption (grams per day) Salmon, non-salmon freshwater fish, marine invertebrates All user groups 1000 800 600 396.3 392.8 400 274.5 200 232.2 153.9 131.5 356.0 271.9 267.3

197.1 132.6 113.3 127.0 154.3 0 Per capita fish consumption (grams per day) Users only 1000 910.3 800 635.8 600 392.8 400 383.8 313.4 293.2 200 149.1 159.5 123.2 356.0 294.1 139.7 155.0 180.0 0 6 Mean & 95th Percentile Comparisons Per capita fish consumption (grams per day) Salmon, non-salmon freshwater fish, marine invertebrates, marine mammals All user groups 1000 800 600 396.3 381.2 400 274.1 200 232.2 160.5 132.2 356.0 267.3 266.4 200.3 132.3 113.2 127.5

154.8 0 Per capita fish consumption (grams per day) Users only 1000 910.3 800 635.8 600 383.8 381.2 400 313.4 274.5 200 148.4 166.3 122.8 356.0 294.1 139.1 152.2 179.6 0 7 Mean & 95th Percentile Comparisons Salmon only, Users only Per capita fish consumption (grams per day) Salmon per capita consumption comparisons, Alaska. Fish Consumption Estimates Per Capita (grams per day) All user groups Percentiles Area Mean Median 75th 85th 90th Statewide Urban 4.8* Rural/Subsistence 83.8 62.4 109.0 127.7 141.7 Southeast 110.9 63.9 104.9 267.0 267.0 Southcentral 103.0 79.6 141.7 153.8 178.3 Southwest 260.4 207.9

273.4 396.3 609.3 Western 97.5 85.3 108.9 124.7 145.2 Arctic 53.0 32.2 62.3 110.2 115.7 Interior 108.9 54.8 183.5 307.2 326.5 1000 95th 274.1 347.8 228.5 946.3 159.0 120.0 326.5 946.3 800 600 400 347.8 326.5 274.1 200 83.8 228.5 110.9 103.0 260.4 159.0 97.5 120.0 53.0 108.9 0 8 Urban and Rural Comparisons Mean per capita wild food consumption rate estimates for all user groups by resource category and area in grams per day, Alaska. Area Urban (2014) Rural Southeast Southcentral Southwest Western Arctic Interior Salmon 4.8 83.8 110.9 103.0 260.4 97.5

53.0 108.9 Non-salmon fish, marine invertebrates 4.0 69.5 53.4 18.2 11.7 48.8 103.1 71.5 All fish, marine invertebrates 8.9 149.1 159.5 123.2 294.1 139.7 155.0 180.0 Mean per capita fish consumption (grams per day) 350 300 250 200 150 100 50 0 Salmon Urban (2014) Rural Non-salmon fish, marine invertebrates Southeast Southcentral Southwest All fish, marine invertebrates Western Arctic Interior 9 Other Tribal, Special Interest Populations Fish Consumption Studies Comparisons of Pacific Northwest consumption studies with rural Alaska and US populations. Per capita fish consumption estimate (grams per day) Consumption Study/Study Popluation Median 90th Percentile Columbia River Tribes 40 113 Tulalip Tirbe 45 186 Squaxin Island Tribe 43 193 Rural Alaska Population 121 244 Suqaumish Tribe 132 489 Asians and Pacific Islanders 78 236 US Population - Consumers only 99

248 Source for non-Alaska studies: http://www.deq.state.or.us/wq/standards/docs/toxics/HHFGSummaryforEQC.pdf 600 500 400 300 200 100 0 95th Percentile 176 244 247 293 NA 306 334 489 40 113 186 176 45 244 193 43 Median 247 293.2 244.44 121.35 236 132 0 90th Percentile 78 334 306 248 99 95th Percentile 10 Ongoing Work by ADF&G Preparing study communities from early 2000s through 2015 for inclusion in analysis (will add up to over 150 communities across the state) Handling outlier consumers Methods for weighting data Methods for modeling communities not surveyed by ADF&G Computing statewide statistics utilizing ADF&G Subsistence and Sport Fish data Seldovia Tribe, ADF&G comparison

Final report will be delivered to DEC early 2017 11 Thank you. [email protected], [email protected] 12 Non-salmon freshwater fish, marine invertebrates Mean per capita fish consumption (grams per day) Sum total non-salmon fish and marine invertebrate per capita consumption comparisons, Alaska. Fish Consumption Estimates Per Capita (grams per day) All user groups Percentiles Area Mean Median 75th 85th 90th 95th Mean Median Statewide Urban 8.9 8.9 Rural/Subsistence 49.3 27.1 48.0 63.1 74.9 153.5 69.5 45.1 Southeast 44.0 32.2 74.9 82.6 91.9 118.4 53.4 32.9 Southcentral 10.5 5.7 10.9 17.3 27.0 37.0 18.2 10.7 Southwest 5.0 0.0 9.7 9.7 17.0 21.7 11.7 9.7 Western 37.6 45.1 45.1 47.9 68.3 98.1 48.8 45.1 Arctic 76.6 44.9 62.9 63.5

169.1 189.1 103.1 61.4 Interior 44.9 16.3 57.9 152.9 171.4 176.4 71.5 56.1 Users only 75th Percentiles 85th 90th 95th 227.0 118.4 347.2 28.7 115.5 233.1 397.8 397.8 138.2 347.2 28.7 450.8 497.2 397.8 635.8 138.2 347.2 28.7 450.8 635.8 397.8 635.8 138.2 347.2 28.7 450.8 559.8 397.8 300 250 200 150 103.1 100 50 76.6 49.3 44.0 37.6 10.5 69.5 44.9 71.5 53.4 48.8 18.2 5.0 11.7

0 All user groups Rural/Subsistence Southeast Users only Southcentral Southwest Western Arctic Interior 13 Salmon, non-salmon freshwater fish, marine invertebrates Mean per capita fish consumption (grams per day) Sum total salmon, non-salmon fish, and marine invertebrate per capita consumption comparisons, Alaska. Fish Consumption Estimates Per Capita (grams per day) All user groups Percentiles Area Mean Median 75th 85th 90th 95th Mean Median Statewide Urban 8.9 8.9 Rural/Subsistence 131.5 120.3 160.2 194.8 212.7 274.5 149.1 121.4 Southeast 153.9 95.7 160.8 369.4 375.0 392.8 159.5 95.7 Southcentral 113.3 82.8 148.2 170.8 187.4 232.2 123.2 83.2 Southwest 267.3 213.4 274.5 396.3 396.3 396.3 294.1 213.4 Western 132.6 120.3 153.1 158.0 168.8

271.9 139.7 120.3 Arctic 127.0 119.9 151.7 188.2 195.6 197.1 155.0 121.4 Interior 154.3 198.6 233.6 319.5 356.0 356.0 180.0 198.6 Users only 75th Percentiles 85th 90th 95th 177.7 317.0 170.8 396.3 153.4 197.1 356.0 212.6 375.0 189.8 910.3 168.8 395.6 356.0 293.2 392.8 313.4 910.3 383.8 635.8 356.0 244.4 392.8 275.5 910.3 271.9 497.2 356.0 294.1 300 267.3 250 200 150 180.0 154.3 153.9 132.6 131.5 113.3 149.1 159.5

127.0 139.7 123.2 155.0 100 50 0 All user groups Rural/Subsistence Southeast Users only Southcentral Southwest Western Arctic Interior 14 Salmon, non-salmon freshwater fish, marine invertebrates, marine mammals Mean per capita fish consumption (grams per day) Sum total salmon, non-salmon fish, marine invertebrate, and marine mammal per capita consumption comparisons, Alaska Fish Consumption Estimates Per Capita (grams per day) All user groups Percentiles Area Mean Median 75th 85th 90th 95th Mean Median Statewide Urban 8.9 8.9 Rural/Subsistence 132.2 121.0 160.2 194.8 212.7 274.1 148.4 121.4 Southeast 160.5 95.7 180.1 379.8 381.2 381.2 166.3 95.7 Southcentral 113.2 82.8 145.2 173.3 187.4 232.2 122.8 83.2 Southwest 267.3 213.4 274.5 396.3 396.3

396.3 294.1 213.4 Western 132.3 121.0 148.8 168.2 177.7 266.4 139.1 121.0 Arctic 127.5 118.4 151.7 188.2 194.8 200.3 152.2 121.4 Interior 154.8 198.6 233.6 310.3 356.0 356.0 179.6 198.6 Users only 75th Percentiles 85th 90th 95th 177.7 317.0 173.3 396.3 153.4 195.6 310.3 198.6 379.8 189.8 910.3 177.7 287.9 356.0 274.5 381.2 313.4 910.3 383.8 635.8 356.0 241.4 381.2 274.1 910.3 266.4 454.6 356.0 294.1 300 267.3 250 200 160.5 150 154.8 132.3

132.2 113.2 179.6 166.3 148.4 127.5 139.1 122.8 152.2 100 50 0 All user groups Rural/Subsistence Southeast Users only Southcentral Southwest Western Arctic Interior 15 Comparisons of Pacific Northwest consumption studies with rural Alaska and US populations. Consumption Study/Study Popluation Median 90th Percentile 95th Percentile Columbia River Tribes 40 113 176 Tulalip Tirbe 45 186 244 Squaxin Island Tribe 43 193 247 Rural Alaska Population 121 244 293 Suqaumish Tribe 132 489 NA Asians and Pacific Islanders 78 236 306 Southcentral 83 275 313 US Population - Consumers only 99 248 334 Interior 199 356 356 Western 120 272 384 Southeast 96

393 393 Arctic 121 497 636 Southwest 213 910 910 Note Source for non-Alaska studies: http://www.deq.state.or.us/wq/standards/docs/toxics/HHFGSummaryforEQC.pdf 1000 Per capita fish consumption estimate (grams per day) 800 600 400 200 0 l s e e e ly es ra on ib ib er t ti r ib iT rb r d on n r a T T l n e s T u d r ip er hc sla ish op lal m lan ut ive m cI s P u u o I R u fi s T S a ci a n ka

in bi uq Pa as Co ax l S m u d n lu lA Sq on ra sa Co u n lati R is a u p A Po S U Median 90th Percentile 95th Percentile rio te In r W rn te es t as he t u So Ar c cti st we h ut So 16

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