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）平成27年201520172018令和元年2019平成27年201520172018令和元年2019平成27年201520172018令和元年20191) 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。1) The sum of the broken-down figures does not match the total because duplicate counts were made in the case of forestsdesignated as protection forests under two or more categories.資料 林野庁「森林・林業統計要覧」Source: Forestry Agency. 総面積（実面積）年度末2930年度末水害防備林潮害防備林2930年度末落石防止林29308-19 保安林面積（平成27年度～令和元年度）Area of Protection Forest (F.Y. 2015 to 2019)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総面積（実面積）干害防備林総面積（実面積）防火林防雪林魚つき林航行目標林防霧林なだれ防止林保健林防風林風致林End of fiscal yearEnd of fiscal yearEnd of fiscal yearTotal12,169,50012,197,10512,213,57812,230,318Flood damagepreventionRock fallprevention2,4322,4852,5032,525HeadwatersconservationSoil run-offprevention1)9,185,3059,204,1279,223,9659,235,167Tide wave andsalty windpreventionDrought prevention63363563363113,63313,86413,87713,878Fire protectionFish breeding401400400396Landslide prevention2,584,9942,595,7532,601,8532,606,09559,44559,76959,91260,089Snow drift preventioncontrol125,583126,050126,174126,191Navigation landmark60,18559,94160,04960,0391,0751,1061,1061,1068 Agriculture, Forestry and Fisheries 249Shifting sandpreventionWindbreak16,16116,14716,16716,156TotalFog inflowpreventionSnow avalancheprevention3131313161,63861,72361,69361,614TotalScenic siteconservationPublic health701,046703,696704,071704,096(In hectares)56,17356,14956,16956,12219,13419,16919,17119,16928,11328,05628,04428,043
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