Or. Admin. R. 141-093-0190

Current through Register Vol. 63, No. 9, September 1, 2024

Section 141-093-0190 - Jackson County Vernal Pools - Definitions

The following definitions are used in this GP, in addition to those in OAR 141-085-0510.

(1) "Combination Credits" means those credits that have been approved by the Department as wetland mitigation credits and by the USFWS as ESA species credits.

(2) "Drought Year" means a season in which precipitation prior to and during the growing season is less than the 30 percent probability level documented in the WETS table for the Medford weather station. The procedure for determining "below normal rainfall" is found in the September 2008 Regional Supplement to the Corps of Engineers Wetland Delineation Manual: Arid West Region, available on the Department Web site.

(3) "Permittee Responsible Mitigation" means actions undertaken by a permittee to compensate for impacts resulting from a specific project.

(4) "Protect and Manage Mitigation" is preservation mitigation that entails the removal of a threat to, or preventing the decline of vernal pool wetlands, and includes the establishment and maintenance of native biological communities.

(5) "Restore and Manage Mitigation" is mitigation which re-establishes and maintains vernal pool wetland topography and hydrology, and native biological communities in areas where previously existing vernal pools have been altered to upland or open water.

(6) "Steward" means the party responsible for long-term management and monitoring of the mitigation site after it has been released by the Department.

(7) "Vernal Pool" means a seasonal wetland found on shallow soils over an impermeable hardpan layer or bedrock.

(8) "Vernal Pool Complex (VPC) and VPC Habitat" means a tract of land that includes vernal pool wetlands and the upland mounds between them.

(9) "Vernal Pool Function Ranking" is the average of the four function scores (scores) for the subject site relative to the scores reported for the 59 vernal pool complexes inventoried in appendix C-1 of the Agate Desert Vernal Pool Final Draft Function Assessment Methodology dated April 2007 (AD Inventory). This report is available on the Department Web site.

Or. Admin. R. 141-093-0190

DSL 1-2012, f. 3-14-12, cert. ef. 4-1-12; DSL 1-2016, f. & cert. ef. 2/8/2016; DSL 52-2018, minor correction filed 01/05/2018, effective 1/5/2018

Statutory/Other Authority: ORS 196.600 - 196.692 & 196.795 - 196.990

Statutes/Other Implemented: ORS 196.600 - 196.692 & 196.795 - 196.990