Natural Resources
Conservation Service

Thermic Ultramafic North-Facing Steep Slopes

Home / ESD CATALOG / MLRA 018X / ecological site R018XI104CA / Interactive models

List model

Ecosystem states

State 1

Reference State

2473

Circle-spoke model

Ecosystem states

State 1

2473

Scenario model

Ecosystem states

Current ecosystem state

Select a state

State 1
Reference State
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Management practices/drivers

Select a transition or restoration pathway

No transition or restoration pathway between the selected states has been described

Target ecosystem state

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State 1
Reference State
More details

2473

State 1
Reference State

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Reference State

Time and Growth

post-fire community

Mature shrub community

Description

State 1 represents the historic range of variability for this ecological site. This state no longer exists due to the ubiquitous naturalization of non-native species in the Sierra Nevada Foothills. Ultramafic soils often offer a refuge to many native endemic herbaceous species. Some of the endemics are still intact, but are growing scarce due to the onslaught of invasive annuals.

Data for this State does not exist, but dynamics and composition would have been similar to State 2, except with only native species, especially forbs, present.

Submodel

1.1. Reference community

1.2. Post-fire plant community

1.3. Mature shrub community

Model keys

Briefcase

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Natural Resources
Conservation Service

Thermic Ultramafic North-Facing Steep Slopes

List model

Circle-spoke model

Scenario model

Current ecosystem state

Management practices/drivers

Target ecosystem state

State 1
Reference State

Description

Submodel

Model keys

Briefcase

Ecological sites

Major Land Resource Areas

Search

Natural ResourcesConservation Service

Thermic Ultramafic North-Facing Steep Slopes

Model keys

Natural Resources
Conservation Service