8-19 保安林面積（平成22～29年度）Area of Protection Forest (F.Y. 2010 to 2017) 林野庁調査の結果による。 Data are based on the surveys taken by the Forestry Agency.（単位 ヘクタール）(In hectares) 総面積（実面積）年度末Total水源かん養林土砂流出防備林土砂崩壊防備林飛砂防備林防風林End of fiscal year1)HeadwatersconservationSoil run-offpreventionLandslide preventionShifting sandpreventionWindbreak平成22年201012,142,9909,166,7842,577,55759,33216,17056,22227201512,169,5009,185,3052,584,99459,44516,16156,17328201612,183,7409,195,3632,589,17959,51116,16056,14129201712,197,1059,204,1272,595,75359,76916,14756,149総面積（実面積）Total年度末水害防備林潮害防備林干害防備林防雪林防霧林なだれ防止林End of fiscal yearFlood damagepreventionTide wave andsalty windpreventionDrought preventioncontrolSnow drift preventionFog inflowpreventionSnow avalancheprevention平成22年201063813,645125,4803161,54819,13127201563313,633125,5833161,63819,13428201663513,877125,8923161,70319,14429201763513,864126,0503161,72319,169総面積（実面積）Total年度末落石防止林防火林魚つき林航行目標林保健林風致林End of fiscal yearRock fallpreventionFire protectionFish breedingNavigation landmarkPublic healthScenic siteconservation平成22年20102,39640160,2841,074700,95328,1172720152,43240160,1851,075701,04628,1132820162,46240159,9271,078701,47028,1092920172,48540059,9411,106703,69628,0561) ２以上の保安林に重複して指定されているものはそれぞれに計上してあるので，総面積と内訳の合計とは一致しない。資料 林野庁「森林・林業統計要覧」Source: Forestry Agency.1) Breakdown figures do not add to total because duplicate counts are made in case a forest is designated as protection forestunder two or more categories.8 Agriculture, Forestry and Fisheries 247
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