Subject
Vegetation dynamics
3
Biogeography
1
Coastal ecology
1
Fire ecology -- North America.
1
Forest fires -- Environmental aspects -- North America.
1
Human ecology
1
Island plants
1
Phytogeography
1
Plant communities
1
Plant ecology
1
Rural development
1
Savanna ecology
1
Savannas
1
Sustainable development
1
Taiga ecology -- North America.
1
Trees -- Ecology -- North America.
1
Vegetation and climate
1
Vegetation dynamics -- North America.
1
Vegetation dynamics.
1
Weeds -- Control.
1
Weeds -- Ecology.
1