This is a preview. Log in through your library . Abstract Sampling the density and basal area of trees is fundamental to quantitatively characterizing forests and woodlands. Commonly used sampling ...
A salt marsh harvest mouse walks across the bulrush at Grizzly Island Wildlife Area in San Francisco. (Cody Aylward/UC Davis) From species of marmots to moles, shrews and mice, many of the world’s ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果