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14. Average percent litter cover(%) and depth ( in): <br /> 15. Expected annual annual-production (this is TOTAL above-ground annual-production, not just forage annual- <br /> production): 2000 lbs./ac. low precip years; 3000 lbs./ac. average precip; 4000 lbs./ac. high precip years. Extended <br /> drought may reduce annual production by 700—900 lbs./ac. <br /> 16. Potential invasive (including noxious) species (native and non-native). List species which BOTH characterize <br /> degraded states and have the potential to become a dominant or co-dominant species on the ecological site if <br /> their future establishment and growth is not actively controlled by management interventions. Species that <br /> become dominant for only one to several years (e.g., short-term response to drought or wildfire) are not <br /> invasive plants. Note that unlike other indicators,we are describing what is NOT expected in the reference state <br /> for the ecological site: Invasive plants should not occur in reference plant community. <br /> 17. Perennial plant reproductive capability: The only limitations are weather-related, wildfire, natural disease, and insects <br /> that temporarily reduce reproductive capability. <br />