Process-based principles for restoring river ecosystems - US …
We outline and illustrate four process-based principles that ensure river restoration will be guided toward sustainable actions: (1) restoration actions should address the root causes of degradation, (2) actions must be consistent with the physical and biological potential of the site, (3) actions should be at a scale com-mensurate with ...
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Average Annual Cost for Road Maintenance by Operational ...
www.fs.usda.govpatching, crack sealing, chip sealing and removal of unsuitable material. Shoulders are shaped to provide a smooth transition to traveled way and drain efficiently. Ditches and culverts function efficiently. Clean/Repair structures (cattleguard, gate) and signs. Paint pavement markings. Road
CAD Standards User’s Guide - USDA
www.fs.usda.govComputer Aided Design (CAD) construction and design drawings for the Forest Service. The purpose of this document is to establish standards, which will result in the preparation of consistent and compatible AutoCAD files. It is intended to guide users in the overall CAD system, operations, and to establish standards and procedures that will
Engineering Calculations DEMOLITION DEBRIS WASTE …
www.fs.usda.govstructures. To estimate the volume of the spread footing foundation, use the surface area method. For volume estimating purposes, assume that the slab is 12 in thick. There are 15 visible courses of 8-in tall concrete masonry units (CMU) serving as the Upper Level foundation; for volume estimating purposes assume the CMU foundation
Developed Campground Rules and Regulations
www.fs.usda.govDay use visitors may be in developed recreation areas from 6 a.m. to 10 p.m. Only campers may remain in this area after 10 p.m. Check bulletin boards and observe posted hours. 36 CFR 261.58 (u). Fees Some campgrounds are designated U.S. Fee Area. You must pay a fee to use these facilities. Refer to the fee section of bulletin
Hunting Safety: Information for Hunters and Non-Hunters
www.fs.usda.govSafety Tips for Non-hunters visiting the National Forests • Wear bright clothing. Make yourself more visible. Choose colors that stand out, like red, orange or green, and avoid white, blacks, browns, earth-toned greens and animal-colored clothing. Orange vests and hats are advisable. • Don’t forget to protect fido.
HERBICIDES, TRADE NAMES, AND TARGET SPECIES
www.fs.usda.govFor any pesticide classified as a potential carcinogen, the risk would depend on the extent to which a person might be exposed (how much time and to what quantity of the pesticide). The factors considered include short-term studies, long-term cancer studies, mutagenicity studies, and structure activity concerns.
Tree Owner's Manual - USDA
www.fs.usda.govU.S. Department of Agriculture 11 Campus Blvd., Suite 200 Newtown Square, PA 19073 NA-FR-04-07 November 2008 www.na.fs.fed.us . Tree Owner's Manual . for the Northeastern and Midwestern United States . Tree Owner's Manual. Authors: Jill R. Johnson, Forest Service Gary R. Johnson, University of Minnesota Maureen H. McDonough, Michigan State ...
The Malheur National Forest - Home | US Forest Service
www.fs.usda.govForest Service Pacific Northwest Region The Malheur National Forest Location of the World’s Largest Living Organism [The Humongous Fungus] Craig L. Schmitt, Forest Pathologist Michael L. Tatum, Forest Silviculturist 2008 Figure 1. Dead and live-symptomatic trees in this Armillaria root disease center. Down trees in the foreground died earlier.
Snake Safety - US Forest Service
www.fs.usda.govStay calm Call Dispatch via radio or 911 Wash the bite area gently with soap and water if available Remove watches, rings, etc., which may constrict swelling
SPRAYER CALIBRATIONS AND CALCULATIONS
www.fs.usda.govV1 = 3 gallons The final mixture (Volume 2 or V2) is the amount of the concentrate (V1) plus the required amount to make up to V2. If V1 = 3 gallons and the required amount is 100 gallons, add 97 gallons of water to 3 gallons of concentrate. Formula 11 C1 x V1 = C2 x V2 C1= % of a.i. in concentrate V1 = quantity of concentrate needed
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Best practices for monitoring and assessing the ecological …
pure.coventry.ac.ukevidence for the biodiversity benefits of restoring rivers. The Programme defines river restoration as “the re-establishment of natural physical processes (e.g., variation of flow and sediment movement), features (e.g., sediment sizes and river shape) and physical habitats of a river system (including submerged, bank and floodplain areas)”.
What is river restoration? - the RRC
www.therrc.co.uk“River restoration is the re-establishment of natural physical processes (e.g. variation of flow and sediment movement), features (e.g. sediment sizes and river shape) and physical habitats of a river system (including submerged, bank and floodplain areas). ...