Subject
Land use
4
Puerto Rico
4
Puerto Rico Environmental aspects
2
Río Piedras (San Juan, P.R.) Environmental aspects
2
San Juan (P.R.) Environmental aspects
2
Watersheds
2
Biodiversity conservation
1
Cities and towns Growth
1
Conservation of natural resources
1
Gap analysis (Planning)
1
Land use, Rural
1
Land use, Urban
1
Soils
1