A Power Plant Accommodates Turtles
Turtle Fence is being used to keep turtles out of construction areas.
The huge Ivanpah 440-megawatt solar power electric generating facility in south-eastern California is being surrounded by more than 39 miles of turtle fence. Why? Because before construction can begin on the site, all desert tortoises must be removed. And after completion, turtles will not be able to re-enter the site. The desert tortoise is a threatened species and considered vulnerable. They live their rather languorous lives in burrows anywhere from 3 to 10 inches deep, also in rock shelters or pallets. This is to minimize exposure to extreme temperatures, minimizing loss of water, and keeping their body temperature stable. Soil type is important to them for the purpose of den construction and nutrition, preferring alluvial fans, washes, and canyons. Appropriate burrow sites aid their population and their fidelity to their nesting grounds is strong.
Galvanized Mesh
What has been selected as the best mesh to use for the purpose of assisting in this project? Locally sourced, US-made galvanized after weld, 16 gauge, 1" x 2" wire mesh that has been welded into 36" x 100' rolls. After the welding process, the mesh is drawn through a bath of molten zinc. The wires, including the welded areas, are covered with a thick corrosion-resistant coating. The welded wire turtle fence will last for years.
During installation, a portion of the fence is buried in the ground to discourage burrowing. The above-ground portion is tall enough to prevent the turtles from climbing over the fence. In this case, tortoises are being protected by being kept out of an area.
Here's some background on the situation:
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