Analysis for Spatial Heterogeneity of East China Sea Fishery Resources Using a Geographical Information System Based on a Semivarigram

摘要

Spatial heterogeneity is an important theory of ecology (Kareiva 1994) and the most interesting problem in the research of the functions and processes of ecological systems with different scales. Describing heterogeneity quantitatively is the key problem in landscape ecology (Wiens 1992) but is necessary before the ecological spatial model can be modeled with landscape and physical processes (Risser et al. 1984; Turner 1987; O'Neil et al. 1988; Turner and Gardner 1991).