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REVIEWED BY: -~.=.....:....~___:__::.=-'\....; \\F\-'-'-'~~~=--:---­ Districtbidlogist BIOLOGICAL ASSESSMENT LITTLE STONY FUELS TREATMENT GRINDSTONE RANGER DISTRICT MENDOCINO NATIONAL FOREST PREPARED BY: --~B~o=nru~·e~F~rank~l~in~--­ DATE:----- - WILDLIFE BIOLOGIST REVIEWED BY: -~.=.....:....~___:__::.=-'\....;_\\f\-'-'-'~~~=--:---­ DISTRICTBidLOGisT Little Stony Fuels Treatment Biological Assessment Grindstone Ranger District Mendocino National Forest This document is prepared in conformance with the legal requirements set forth under section 7. of the Endangered Species Act of 1973, as amended, and standards established in Forest Service direction located in Manual Section 2672 .~ through 2672.42. Introduction: Activities considered in the Environmental Analysis for this project require a Biological Assessment to be prepared pursuant to Section 7 of the Endangered Species Act, as amended, to determine if any proposed or listed threatened or endangered species or Critical Habitat may be adversely affected. Supporting documentation and work sheets for evaluation of habitats, possible species, survey intensity, "may affect" determinations etc., are included in the support file for this environmental analysis and are available for review at the district office. SPECIES BEING EVALUATED AND THEIR LEGAL STATUS Northern spotted owl (Strix occidentalis caurina) ------------------ Threatened Bald eagle (Haliaeetus leucocephalus) ------------------------------ Threatened California red-legged frog (Rana aurora draytonii) ----------------- Threatened Valley elderberry longhorn beetle (Desmocerus californicus dimorphus)-Threatened The vernal pool fairy shrimp (Branchinecta lynchi), federally listed Threatened, and vernal pool tadpole shrimp (Lepidurus packardi), federally listed Endangered, exist mainly in pools exhibiting mima mound topography, typically in iron-silica cemented soils of the Redding , Corning, Corning­ Newville, and Redding-Corning gravelly loams. There are no vernal pools near the project area that could be affected by the proposed activities. These species will not be addressed further in this document. Northern California steelhead (Oncorhynchus mykiss), federally listed Threatened; coho salmon (Onchorhynchus kisutch), federally listed Threatened; and Southern Oregon/Coastal California chinook salmon (Oncorhynchus tshawytscha), federally listed Threatened, occurs only within the Eel River system. This project occurs within the Stony Creek drainage, which flows into the Sacramento River. These species will not be addressed further in this document. Central Valley steelhead (Oncorhynchus mykiss) Evolutionarily Significant Unit (ESU) , federally listed Threatened; winter-run chinook salmon, federally listed Endangered; spring-run chinook salmon, federally listed Threatened; delta smelt (Hypomesus transpacificus), federally listed Threatened; Sacramento splittail (Pogonichthys macrolepidotus), federally listed Threatened; all occur in the Sacramento River. Fish passage is blocked by darns in three locations outside the Forest boundary, therefore these species will not be addressed further in this document. Water howellia (Howellia aquatilis), a federally listed Threatened species occurs on the Covelo District. This species requires ponds, shallow lakes, and slow moving sloughs that dry out by the end of the growing season. There is no potential habitat located within 20 miles of the project area, therefore, water howellia will not be addressed further in this document. Little Stony Fuels Treatment Biological Assessment Page 1 of 25 A species list for the Mendocino National Forest was received from U.S. Fish and Wildlife Service dated 09/18/2002 (1-l-02-SP-3316). A species list for the Mendocino National Forest was received from the U.S. Fish and Wildlife Service dated February 24, 2003 (reference # 1-1-03-SP-1209) to update the original list. This letter also authorized the Forest to update this official list from their website. An updated species list was printed from the Sacramento U.S . Fish and Wildlife Service website (U.S. Fish and Wildlife Service http://sacramento.fws.gov/es/spp_lists/NFActionPage.cfm) on 01/05/2004. This species list was requested to fulfill the requirement under Section 7 (c) of the Act. Project Description: The Grindstone Ranger District proposes to conduct understory burning, understory treatment, and chaparral burning in Tl6N, R7W, Sections 5, 6, 7, 8 1 9, 10, 14, 15, 16, 17, 18, 20, 21, 22, and 28 and in T16N, R8W, Sections 1, 2, 11, and 12. This project is located on Bartlett Springs (44) (formerly Clearlake Oaks N.W.) and Fouts Springs (41) USGS 7.5 minute quads and is within the Upper Stony Watershed. It will include approximately 3378 acres within the Little Stony Creek portion of the watershed. The acres addressed within this analysis are estimates based on interpretations of aerial photographs, topographical maps, field reviews, and GIS Arcview strata polygons. These treatments would involve mixed conifer, knobcone and mixed chaparral, and chamise. The elevations within this project range from approximately 1,700 to 5,600 feet. This treatment area is located in a montane mixed coniferous forest having knobcone pines (Pinus attenuata), firs (Abies spp.), cedar (Calocedrus spp.) ,ponderosa pine (Pinus ponderosa), sugar pine (Pinus lambertiana), oaks (Quercus spp.), Jeffrey pine (Pinus jeffreyi), junipers (Juniperus spp.), big­ cone Douglas-fir (Pseudotsuga macrocarpa), maple (Acer spp.), bay (Umbellularia spp.), various other species of pines (Pinus spp.), and many other trees. The understory contains extremely variable vegetation including grasses, forbs, and shrubs including manzanita (Actostaphylos spp.), ceanothus (Ceanothus spp.), buckwheat (Eriogonum spp.), willow (Salix spp.), bay (Umbellaria spp.), mahogany (Cercocarpus spp.), poison oak (Toxicodendron diversilobum), blackberry (Rubus spp.), California coffeeberry (Rhamnus californica), and buckeye (Aesculus spp.). There are sixteen in-holders who own 2055 acres of private land, with parcels ranging in size from 16 acres to 156 acres, and structures in the upper portion of Little Stony Creek . The project will include 403 acres of private land. The balance of 2975 acres is on the Mendocino National Forest. The landowners have established a Coordinated Resource Management Plan (CRMP) to help reduce their growing fuel buildup around the community. The CRMP is called 'Upper Little Stony Inholding Alliance' (ULSIA) and is represented by member Mr. Gary Evans. These private lands have received grants in prior years for cutting, piling, and burning. Proposed timelines for this project are as follows: broadcast burning, water drafting, helicopter utilization - November 1 through April 15; mechanized and hand line construction - October 1 through April 15, dozer and handpiling/vegetation thinning - throughout the year. This project would occur over a five-year period, dating from signing of the Decision document. This dense vegetation and high surface fuel load can lead to high intensity wildfires during the summer months. The Mendocino National Forest has suppression responsibilities in the area but may not be able to adequately protect private lands given the current fuel conditions. The ULSIA has completed numerous fuels treatment projects over the past several years but are unable to complete enough treatment acres on their own. This project proposes a joint effort with the ULSIA and the Mendocino National Forest to reduce hazardous fuels build up in their urban interface. Little Stony Fuels Treatment Biological Assessment Page 2 of 25 The proposed project will utilize hand-crews (chainsaw thinning) and prescribed fire to reduce the growing fuels hazard within the upper Little Stony area. Fuels treatment on 3378 acres of national forest and private lands is recommended. The project has been divided into 6 units within this fuels treatment project, numbered 1-6. Units 1, 4, 5, and 6 would include 2909 acres of understory burning. A low intensity underburn will be implemented to reduce surface-fuel loading, and to top-kill excess brush and reproduction. Unit 2 will have approximately 219 acres of vegetation thinning . Knobcone pine, brush, and fir will be thinned to create a shaded fuel break while retaining a predominant oak overstory. Unit 2 thinning by dozer or chainsaw would be followed by pile burning of slash, and then an under burning of surface fuels. Unit 3 will include a broadcast burn of 250 acre·s of mixed chaparral and chamise. This broadcast burn will be performed by hand ignition or helitorch. This broadcast brush burn will improve the habitat for wildlife by creating interspersion of brush sprouts and herbaceous vegetation by the development of openings in this thick brush range. This will assist wildlife with forage and access. Unit Vegetation 1 D2X, D4X, H2X, M3P , M4P, plantation 2 D4X, H2X, M3P, shrub/chaparral, knobcone 3 H2X, M2P, shrub/chaparral, knobcone 4 D2X, D4X, M2P, M3P, M4P, plantation, shrub/ chaparral 5 D2X, D4X, H2X, M3P , M4P 6 D2X, D4X, H2X, M2P, M3G, M3P , M4G , M4P, M6G, shrubby hardwood/chaparral Unit Acres Treatment Type Treatment Timing 1 789 Understorv burn - mixed conifer Nov . 1 - April 15 2 219 Dozer/hand piling - knobcone, chap . All year Pile burning Nov. 1 - April 15 3 250 Chaparral burning Nov. 1 - April 15 4 346 Understory burn - mixed conifer Nov. 1 - April 15 5 475 Under story burn - mixed conifer Nov. 1 -April 15 6 1299 Under story burn - mixed conifer Nov. 1 - Jan.31 within LOP Nov. 1 - April 15 outside LOP Burning would occur with the use of hand-carried drip
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