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PFC Introduction. The Green Zone in arid rangelands. Riparian Proper Functioning Condition. A process for assessment A defined condition A starting point A common language An interdisciplinary team approach. PFC Technical References. PFC has:.
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Riparian Proper Functioning Condition A process for assessment A defined condition A starting point A common language An interdisciplinary team approach
PFC has: • Had more peer review than most assessment methods • Used for over 20 years, • Training by State Teams, and • Tool for developing a common vocabulary.
Appendix B provides a list of possible quantitative techniques for stream assessment. • Calibration where answers are uncertain • Accurately and precisely monitor change in a particular attribute. • Burton et al. (2011) provides a “PFC Validation Table” in the MIM data analysis module • For 16 of 17 Items • Quantitative metrics for PFC Items • Measurements (References) • Interpretation, Notes
The PFC Assessment Tool • Requires an interdisciplinary (ID) team • Vegetation • Hydrology • Soils • Biology • Landowner or Permittee can add history and management Local, on-the-ground experience in interpreting quantitative sampling techniques that support the PFC assessment.
An ID Team needs to: Review existing documents. Determine attributes and processes key to area being assessed. Determine potential or altered potential for the site. Determine a “functional rating”. Provide written comments on all items unless N/A.
NV Creeks and Communities Team – Most Active • Sherm Swanson, Range w/wildlife, hydro, soils • Chuck Petersen, Range • Carol Evans, Fisheries • John McCann, Hydrology • Doug Merkler, Soils • Bob Hall, Geomorphology Water Quality • Sarah Peterson, Hydrology • Robin Wignall, Hydrology • Scott Lusk, Range
NV Creeks and Communities Team • Sherm Swanson - Coordinator, UNR Coop. Extension, • John McCann, US Forest Service • Carol Evans, BLM • Chuck Petersen, NRCS • Bob Hall, EPA • Desi Zamudio, Private Citizen • Jerry Annis, Rancher • Robin Wignall, US Forest Service • Sarah Petersen, BLM • Steve Foster, UNR Coop. Extension • John Cobourn, UNR Coop. Extension • Tracy Jean Wolfe, NRCS • Bob Gibson, BLM • Alan Jenne, NV Dept. of Wildlife • Jamie DeFoe, Y-2 Consulting • Jacob Burdick, UNR Hydrology Student • Shawn Vogt, USFWS • Scott Lusk, USFS & CA Cadre • Kathleen Petter, SETT
PFC is designed to: Be used to assess physical function of perennial & intermittent streams Be used on most stream & river systems Be used by an experienced interdisciplinary team Provide consistent approach for assessing physical function of riparian areas
PFC is designed to: Help establish, focus, & prioritize management, monitoring, & restoration activities Provide a focused and effective foundation for determining resource values & developing management goals Communicate fundamental riparian concepts
PFC is: Used to describe both the assessment process & on-the-ground condition. A minimum level or starting point for riparian area stability and sustained function. A qualitative assessment based on quantitative science.
PFC is not designed to: Assess the function of ephemeral systems Be completed without an ID team Assess specific resource values or be the sole method for assessing the health of the aquatic or terrestrial components of a riparian area
PFC is not designed to: Assess functions where human alterations created artificial channel conditions. Normally equate to desired condition. Replace watershed analysis.
PFC is not: • A long-term monitoring tool. • A replacement for quantitative inventory or monitoring. PFC complements more detailed methods by providing context to synthesize data and communicate results.
PFC cannot: Provide more than strong clues as to actual habitat condition for plants & animals. Eliminate the need for more intensive inventory & monitoring protocols.
RIPARIAN AREAS • A form of wetland transition between aquatic and adjacent upland areas • Exhibit vegetation or physical characteristics of permanent surface or subsurface water • LAND ADJACENT to PERENNIAL or INTERMITTENT • STREAMS, • SPRINGS, • SEEPS, • PONDS, • ETC. UPLAND RIPARIAN
STREAM TYPES • PERENNIAL - a stream that flows continuously • INTERMITTENT OR SEASONAL - a stream that flows only at certain times of the year • EPHEMERAL - a stream that flows only in direct response to precipitation • INTERUPTED – a stream that flows below the surface in certain areas