| |
Good,
Service, Or Property
|
Croplands
|
Forests
|
Coasts
& Oceans
|
|
System
Dimensions
|
Extent
|
Total cropland
area
|
Forest area
and types
|
Key habitat
types
|
|
Area of prime
farmland
|
Public and
private ownership
|
Coastal land
loss
|
|
Landscape
Patterns
|
Rapid development
and high quality farmland
|
Forests and
low density housing
|
Proportion
of shoreline with various habitat types
|
|
Cropland
areas planted to grass or trees
|
Area and
number of forest patches
|
Size and
layout of habitat patches
|
|
Wetlands
on croplands
|
|
|
|
Average size
of farm fields
|
|
Conservation
buffer strips
|
|
Management
& Stewardship
|
Acreage idled
by federal programs
|
Management
of public forest lands
|
Restrictions
on living resource extraction,
|
|
Lands subject
to soil conservation restrictions
|
Reasons
for owning private lands
|
oil and gas
activities, and waste disposal
|
|
State and
local farmland preservation programs
|
Private conservation
programs
|
Coastal and
marine protected areas
|
|
Human
Use
|
Food and
Fiber Production
|
National
agricultural output
|
Timber harvest
and use
|
Commercial
and recreational fish landings
|
|
Agricultural
production per acre
|
Timber harvest
by region
|
Most commonly
caught fish
|
|
Agricultural
output per unit of inputs
|
Harvest on
public versus private lands
|
|
| |
Per capita
consumption of wood
|
|
Recycling
rate and industrial efficiency
|
|
Recreation
(and Other Uses)
|
Land where
public recreation is allowed.
|
Recreation
visitor-days
|
Recreation
visitor-days
|
|
Farm income
from recreation.
|
Recreational
access
|
Participation
in recreational activities
|
| |
Effects of
recreation on forests
|
Beach monitoring
and closures
|
|
Forest cover
in public water supply areas
|
Beach access
|
|
Forested
stream banks in public water supply areas
|
|
|
Ecosystem
Condition
|
Productivity
& Plant Growth
|
Yields of
major crops
|
Timber inventory,
harvest, and growth
|
Chlorophyll
concentration
|
|
Calories
produced per acre
|
Harvest and
growth by region
|
Dissolved
oxygen
|
|
Feed used
per pound of livestock
|
Net growth
by type of owner
|
|
|
Satellite
measurements of productivity
|
Satellite
measurements of growth
|
| |
Changes in
carbon storage
|
|
Physical
Conditions
|
Soil erosion,
organic matter, compaction, acidity, salinity
|
See Nutrients
|
Nitrate and
phosphorous concentration, salinity, water temperature
|
|
Irrigated
acreage, water used per acre, acreage drained
|
|
|
|
Nutrients
|
Nitrate in
streams and ground water
|
Nitrate in
forest streams
|
See Physical
Conditions
|
|
Fertilizer
applications and local crop needs.
|
Soil properties
|
|
|
Soil phosphorous
levels
|
|
|
Manure production
and local crop needs.
|
|
Contaminants
|
Pesticides
in streams, ground water, and fish
|
Ozone damage
|
Sediment
and living tissue contamination
|
|
Biological
Community Condition
|
See Cropland
Extent; Landscape Patterns; Native Species
|
Status of
forest types, tree size, extent of old growth forests, mortality,
and forest fire
|
Status of
native structural species, fish communities, key consumers, and
bottom-dwelling animals
|
|
Native Species
|
Status and
trends in waterfowl, grassland birds, upland game, pollinators
|
Status and
trends for forest carnivores, raptors, birds that prefer mature
forests, forest-edge birds, and deer
|
Status of
marine mammals, turtles, seabirds, and commercially important
fish
|
|
Biological
Invasions, Outbreaks, and Disease
|
Pest and
disease losses
|
Non-native
plants
|
Non-native
species
|
|
Non-native
agricultural pests
|
Insect activity
|
Fish diseases
|
|
Pesticide
resistance
|
Newly introduced
insects and disease
|
Harmful algal
blooms
|
