study site
alpine tundra plant community
watershed
alpine watershed
region
arctic Alaska
Alaska ·
region
boreal zone
region
central Amazonia
Amazonas ·
region
central Arctic Ocean
region
central Argentina
region
central California
California ·
region
central Canada
North America ·
region
central Montana
Montana ·
region
central Nevada
Nevada ·
region
central New Mexico
New Mexico ·
region
central and eastern North America
region
coastal Massachusetts
study site
confluence zone
region
continental North America
region
continental USA
region
continental interiors
study site
control sites
region
desert southwest
North America ·
region
east Tennessee
Tennessee ·
region
eastern Nevada
region
eastern Pacific
region
eastern plains of Colorado
Colorado ·
region
eastern temperature forest
North America ·
study site
estuary
study site
field site 2 km south from RMBL
2902m ·
region
fifty states
United States ·
study site
forest ecosystems
study site
forest fragment
study site
forest site
region
forests
study site
glaciers
region
globe
watershed
headwater basins
UCRB · 2400m ·
watershed
headwater catchment
study site
high elevation sites
3000m ·
stream
high-altitude stream network
study site
high-elevation site
region
high-latitude peatlands
region
high-latitude regions
watershed
higher elevation basins
study site
hillslope intensive site
study site
hybrid and I. tenuituba sites
study site
hybrid zone
Poverty Gulch ·
region
interior Alaska
Alaska ·
region
intermountain western United States
southwestern United States ·
study site
kennaook/Cape Grim Baseline Air Pollution Station
Tasmania · 67m ·
region
low Arctic
study site