"I thought there should be a way to protect solar panels against hail and other wind-blown storm debris," said an inventor, ...

This is a preview. Log in through your library . Abstract Relationships between canopy cover and tree regeneration were determined for various species in cove forests of the Great Smoky Mountains. Old ...

Annual production of native grasses on the Texas Coastal Prairie was decreased by 90, 66, and 67 kg/ha in 1978, 1979, and 1981, respectively, for each 1% increase in mixed-brush canopy cover in the ...

When plants in your garden burst forth with lush new growth this spring, they may begin to shade and cover patches that just a few months earlier were simply bare ground. When scientists describe the ...