State 1
Reference State

Community 1.1
Mature Woodland; At Risk

singleleaf pinyon - Utah juniper overstory shrub - perennial grass dominated understory few tree seedlings and saplings occur in understory

Community 1.2
Herbaceous/Shrub Stage

perennial bunchgrasses & sprouting shrubs dominant non-sprouting shrubs present tree seedlings (<20") are present burned tree skeletons may be present

Community 1.3
Sapling Stage

shrubs and perennial bunchgrasses dominant tree saplings (20"-4.5') present

Community 1.4
Immature Woodland

singleleaf peinyon & Utah juniper >4.5' tree seedlings and saplings present in the understory shrub-perennial grass dominated understory

Pathway P 1.2
Community 1.1 to 1.2

Fire

Pathway P 2.3
Community 1.2 to 1.3

time and lack of disturbance

Pathway P 3.2
Community 1.3 to 1.2

fire

Pathway P 3.4
Community 1.3 to 1.4

time and lack of disturbance

Pathway P 4.1
Community 1.4 to 1.1

time and lack of disturbance

Pathway P 4.2
Community 1.4 to 1.2

fire

State 2
Current Potential State

Community 2.1
Mature Woodland; At Risk

singleleaf pinyon - Utah juniper overstory shrub - perennial grass dominated understory few tree seedlings and sapling occur in understory annual non-native species present

Community 2.2
Herbaceous / Shrub Stage

perennial bunchgrass & sprouting shrubs dominant non-sprouting shrubs present tree seedlings (<20") are present burned tree skeletons may be present annual non-native species present and may be increasing

Community 2.3
Sapling Stage

shrubs and perennail bunchgrasses dominant tree saplings (20"-4.5') present annual non-native species present and may be increasing

Community 2.4
Immature Woodland

singleleaf pinyon & Utah juniper >4.5' tree seedlings and saplings present in the understory shrub - perennial grass dominated understory annual non-native species present and may be increasing

Pathway P 1.2
Community 2.1 to 2.2

fire

Pathway P 2.3
Community 2.2 to 2.3

time and lack of disturbance

Pathway P 3.2
Community 2.3 to 2.2

fire

Pathway P 3.4
Community 2.3 to 2.4

time and lack of disturbance

Pathway P 4.1
Community 2.4 to 2.1

time and lack of disturbance

Pathway P 4.2
Community 2.4 to 2.2

fire

State 3
Annual Plant State

Community 3.1

Annual non-natives dominate site Trace amounts of perennial bunchgrasses

Community 3.2

Sprouting shrub overstory Annual non-native understory

Pathway P 1.2
Community 3.1 to 3.2

Time allows for sprouting shrubs to recover

Pathway P 2.1
Community 3.2 to 3.1

Fire

State 4
Over Mature Woodland State

Community 4.1

Singleleaf pinyon - Utah juniper overstory, canopy closed Shrubs & deep-rooted perennial bunchgrasses declining Annual non-native species common in understory Soil erosion probable

Transition T 1.2
State 1 to 2

Introduction of non-native annual species

Transition T 1.4
State 1 to 4

Time and lack of disturbance

Transition T 2.3
State 2 to 3

Severe and Repeated Fire

Transition T 2.4
State 2 to 4

Time and lack of disturbance

Restoration pathway R 4.2
State 4 to 2

Thinning of trees and seeding or recovery of understory species

Transition T 4.3
State 4 to 3

Severe and Repeated Fire