Table 2.

Metrics for quantifying the compositional, structural, and functional components of ecological integrity of shrublands in Nevada, the spatial scale (local or broad) at which the metrics are assessed and quantitative reference conditions available for this study

Metric	Composition	Structure	Function	Data and source	Reference condition and source
Vegetation composition	Local			(BLM 2017a)	–
Presence of plants of management concern	Local			(BLM 2017a)	–
Percent cover of non-native invasive plants	Local			(BLM 2017a)	Absence of non-native invasive species
Vegetation height		Local	Local	(BLM 2017a)	–
Percent cover of bare ground		Local	Local	(BLM 2017a)	–
Proportion of soil surface in large canopy gaps		Local	Local	(BLM 2017a)	–
Vegetation area	Broad			Existing vegetation (LANDFIRE 2014a)	Biophysical setting (LANDFIRE 2010)
Vegetation alteration	Broad	Broad	Broad	Vegetation departure (LANDFIRE 2014b)	Biophysical detting (LANDFIRE 2010)
Patch size		Broad		Existing vegetation (LANDFIRE 2014a)	Biophysical Setting (LANDFIRE 2010)
Structural connectivity		Broad		Existing vegetation (LANDFIRE 2014a)	Biophysical Setting (LANDFIRE 2010)
Development	Broad		Broad	(Carr et al. 2017)	Absence of development