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 ...

The Southwestern Naturalist, Vol. 41, No. 2 (Jun., 1996), pp. 169-178 (10 pages) We propose a perimeter tracing method for long-term monitoring of basal cover changes of the endangered sentry ...