Agriculture, hunting, forestry and fishing
Alpine Area
Area Source
Battery (in agriculture)
Catchment Area
Controlled Environmental Housing (in agriculture)
Intensive Agriculture
Organic Compounds
Organic Farming
Organic Fertilizers
Protected Area
Recharge Area
Shifting Agriculture
Slash-and-burn Agriculture
Volatile Organic Compounds (VOCs)
Area sampling
Counterpart reference area
Reference area
Shifting Cultivation
Agrology
Water Use
Government units
Local government
Compost
Oxidation
Allotrophic
Anaerobic Biological Treatment
Anaerobic Decomposition
Biochemical Oxygen Demand (BOD)
Detritus
Digestion
Dispersant
Heterotrophic Bacteria
Humus
Peat Soil
Pyrolysis
Saprobe
Sewage
VOCs
Counterurbanization
Country identifier
Drainage Basin
Geographical coverage
Zoning
Afforestation
Biodiversity
Biological Spectrum
Biotope
Clear-cutting
Dredging Sludge
Ecoregion
Evaporation Ponds
Land Tenure
Microclimate
Monoculture
Mudflats
Pandemic Disease
Population (3 definitions)
Population Density
Reforestation
River Basin
Urban Sprawl
Vegetation Cover
Wildlife Reserve
Non-point Source of Pollution
Activation
Biodegradation
Biological Waste
Biolysis
Chemical Oxygen Demand (COD)
Decomposition
Dissolved Solids
Dystrophic Water
Liquefaction
Manure
Methane (CH4)
Nitrogenous Oxygen Demand (NOD)
Refuse Reclamation
Shredding
Sludge Digestion
Synthetic Manure
Urban Run-off
Urban population
Air Quality Standards
Arid Zone
Desertification
Emission
Exotic Species
Natural Assets
Noise Zoning
Ontology
Overlay (in mapping)
Rain Shadow
Recreational Land
Riparian Habitat
Saturated Soil
Sedimentation Tank
Semi-arid Zones
Slums
Surveillance System
Topography
Watershed
Wildlife Refuge
Wind Erosion
Crude birth rate
Crude death rate
Crude divorce rate
Crude marriage rate
Economic territory (of an international organisation)
Foetal death rate
Foetal death ratio
Infant mortality rate
Recreational land and associated surface water
Fertilizers
Nitrification
Biomass
Ecological Footprint
Informal Settlements
National Parks
Urbanization
Weather
Rural population
Dual records system
Maternal mortality rate
Civil register
Civil registrar
Complete civil registration
Excursionists (also called "same-day" visitors)
Foreign excursionists (also called "same-day visitors")
Neo-natal mortality rate
Activated Carbon
Activated Sludge
Bacteria
Carbon Adsorber
Carbon Cycle
Catalytic Incineration
Composting
Denudation
Dioxin
Fungi
Indoor Air Pollution
Phenols
Polychlorinated Biphenyls (PCBs)
Secondary Treatment
Septic Tank
Soil Conditioner
Tertiary Treatment
Trickling Filter
Background Station
Built-up and Related Land
Carrying Capacity
Creaming
Ecodevelopment
Feedlot
Forest Functions
Green Belt
Hydrology
Leachate
Line Transect Sampling
Physical Accounting
Rare Species
Recruitment
Salinization
Selective Cutting
Squatter Settlements
Terracing
Tropical Forest
Vulnerability
Wetland
Person-years lived
