The opsin made from the OPN1SW gene is more sensitive to light in the blue/violet part of the visible spectrum (short-wavelength light), and cones with this pigment are called short-wavelength-sensitive or S cones. Genetic changes involving the OPN1LW or OPN1MW gene cause red-green color vision defects.
Acoustic fencing, to reduce noise pollution. Privacy fencing, to provide privacy and security. Temporary fencing, to provide safety, security, and to direct movement; wherever temporary access control is required, especially on building and construction sites. Perimeter fencing, to prevent trespassing or theft and/or to keep children and pets from wandering away.
Trees for privacy fences and windbreaks. Windbreaks (wind breaks, wind screens) and privacy fences (privacy screens) are popular uses for our evergreen trees, and we often get questions about planting and installation tips and techniques. Here are a few tips to get the best out of your windscreen or privacy fence project.