Technology and Development at the Forest Service

Library Card

Kees, Gary . 2004. Fencing Out Wildlife: Plastic Mesh Fences and Electric Fences Monitored by Satellite Telemetry. 0424 2838. Missoula, MT: U.S. Department of Agriculture, Forest Service, National Technology and Development Program. 18 p.

Describes the results of 2 years of tests on three types of fences designed to keep elk and moose out of 1-acre areas being used for research. All but one of the fences are on a steep, north-facing slope at an elevation of 8,200 feet near the Continental Divide in the Beaverhead-Deerlodge National Forest in Montana. The other fence protects a willow patch along the Middle Fork of Rock Creek near Philipsburg, MT. The fences are intended to last for at least 8 years and cost from $2.12 to $2.72 per lineal foot to install. The types of fences being tested include: a 7 �-foot-tall plastic mesh fence and two 6-foot-tall electric fences, one using polyethylene rope with metal wires braided into the rope (polyrope) and the other using high-tensile steel wire. The electric fences use 7,000-volt pulses. They are powered by a 12-volt deep-cycle battery and a 20-watt solar panel. A satellite telemetry system was used to monitor the electric fences, which are in an area that is difficult to access and that lacks radio and cell phone coverage. So far, the telemetry system has not proved reliable. The high-tensile steel electric fence has proved to be almost maintenance free. The polyrope electric fence, installed with metal posts because of the fence's height and the heavy snow loads on the Continental Divide, has shorted out many times. The plastic mesh fence proved to be reliable.

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T&D > T&D Pubs > Library Card Library Card Kees, Gary . 2004. Fencing Out Wildlife: Plastic Mesh Fences and Electric Fences Monitored by Satellite Telemetry. 0424 2838. Missoula, MT: U.S. Department of Agriculture, Forest Service, National Technology and Development Program. 18 p. Describes the results of 2 years of tests on three types of fences designed to keep elk and moose out of 1-acre areas being used for research. All but one of the fences are on a steep, north-facing slope at an elevation of 8,200 feet near the Continental Divide in the Beaverhead-Deerlodge National Forest in Montana. The other fence protects a willow patch along the Middle Fork of Rock Creek near Philipsburg, MT. The fences are intended to last for at least 8 years and cost from $2.12 to $2.72 per lineal foot to install. The types of fences being tested include: a 7 �-foot-tall plastic mesh fence and two 6-foot-tall electric fences, one using polyethylene rope with metal wires braided into the rope (polyrope) and the other using high-tensile steel wire. The electric fences use 7,000-volt pulses. They are powered by a 12-volt deep-cycle battery and a 20-watt solar panel. A satellite telemetry system was used to monitor the electric fences, which are in an area that is difficult to access and that lacks radio and cell phone coverage. So far, the telemetry system has not proved reliable. The high-tensile steel electric fence has proved to be almost maintenance free. The polyrope electric fence, installed with metal posts because of the fence's height and the heavy snow loads on the Continental Divide, has shorted out many times. The plastic mesh fence proved to be reliable. Keywords: View HTML E-mail this link. These files are best for printing: View high resolution PDF (14445 kb) If you experience problems using the higher resolution PDF file, use the lower resolution PDF files if they are listed. View 72 dpi PDF Part 1 (237 kb) View 72 dpi PDF Part 2 (1941 kb) View 72 dpi PDF Part 3 (1851 kb) View 72 dpi PDF Part 4 (2764 kb) View 72 dpi PDF Part 5 (651 kb) (Help with PDF files) Click the icon to download a free version of Adobe Acrobat Reader.
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