area wilderness area finnish swedish located northeastern shore lake northern finland stretching way finland norway border landscape dominated forests scots pine bodies water northeastern rises fell ridge wilderness areas covers area square kilometers wilderness marked trail reserve management established wilderness reserves park norway joint norwegian russian nature reserve area short growing season cold winters little precipitation poor soil quality created bedrock lake affected acid rain loss fish reserve important habitat brown bear large population practiced common species fish introduced species geography wilderness area located northeastern shore lake stretches fell ridge located entirely municipality reserve eastern border finland norway border landscape consists forests scots pine lower areas thousands small lakes creeks reserve covers area square kilometers streams flow outflow construction changed considerably providing stable regulation reducing flow speed water levels highest autumn lowest spring opposite bedrock consists basement occasional slate volcanic rock created glacial period ice hindered draining melted water area climate harsh allows limited growing season days temperatures rise summer fall winter northeastern reserve winter temperatures higher snow precipitation millimeters year half falls growing season june ice melt lakes eastern wilderness damaged acid rain plant russia history area populated stone age people shortly glacial period ended documents area tax records 16th century originally engaged later switched farming cattle sheep area belonged beginning middle ages border closed norway came winter herd border closing caused norwegian settle area continue caught increased 20th century people area traveled onwards coast norway fish summer records markets date 16th century 1880s people traveled coast year logging southern 1920s logs driven norway previously birch forests 1960s leaves eaten leaving barren construction hydroelectric plants starting 1940s strong negative effect fish population authorities enforced introduction fish wilderness areas created protect natural wilderness culture areas combined cover area square kilometers activities road construction mining prohibited logging areas park established steps national park created russian established norwegian created following year national park expanded established creating continually protected area spanning countries management wilderness area managed government agency manages state owned land finland area strictly protected area instead falling network limitations include mandatory maintenance forests natural state ban logging sale land prohibited construction permanent roads mining nature area shares common brown bear population norway russia predators include red fox pine rare gray wolf common 1940s large population shared population different areas depending season fences installed hinder wandering national borders common fish species having accidentally lake trout caught creeks fish found park include arctic pike perch fish resulted introduction atlantic salmon lake trout lower areas wilderness area covered forest scots pine common trees include birch goat willow logging past occurred southern large proportion forests old growth forests barren soil makes poor growth conditions ground vegetation forests area limestone rock features green reserve located area western eastern vegetation zones giving rise unique combinations species spruce red recreation recreation takes place lake limited number visitors reserve demanding hiking area inexperienced recommended avoid traversing wilderness freedom grants right ski short term camping area park accessed national road public transport available trail marked trail park kilometers connects reserve northern starting point norway southern end trail demanding recommended lake offers good fishing making popular visitor attraction reserve boating lake popular located addition places boats launched open parts lake stormy route connects adjacent lakes open wilderness route winter route
Vätsäri Wilderness Area