The improved model of plant ecological field and the case analyzing STUDIES ON ECOLOGICAL FIELD OF QUERCUS LIAOTUNGENSIS FOREST, DONGLING MOUNTAIN Some comments on ecological field Ecological field gradient of Anewolepidium chinense under different population densities and its dynamic characteristics The Study on Ecological Field of Endangered Plant Alsophila spinulos Individual Ecological field characteristic of green land based on urban green space structure ECOLOGICAL FIELD THEORY APPLICATION TO REGENERATION OF Picea mongolica POPULATION REGULARITY OF THE ECOLOGICAL POTENTIAL AND GRADIENT OF ABOVEGROUND ECOLOGICAL FIELD OF ANEUROLEPIDIUM CHINENSE AND THEIR SEASONAL CHANGES UNDER DIFFERENT POPULATION DENSITIES THE SPATIAL DISTRIBUTION OF THE ECOLOGICAL FIELD IN SPRING WHEAT COLONY UNDER SEMI-ARID ECOLOGICAL CONDITIONS Light-ecological field of Larix leoptolois canopy Characteristic. analysis of two-dimensional behavior of aboveground ecological field of Aneurolepidium chinense Considerations on forest interface ecology Application of ecological field theory to research of crops THE SPATIAL DISTRIBUTION OF THE SYNTHETICAL ECOLOGICAL EFFECT OF PLANT INDIVIDUALS UNDER SEMI-ARID ECOLOGICAL CONDITIONS Study on the Individual Ecological Field Gradient of the Endangered Plant Alsophila spinulos