滩地杨树立地质量数量化评价研究

本研究在编制洞庭湖滩地杨树立地指数表的基础上，根据影响杨树树高生长的立地项目的选择和类目划分，采用定性和定量相结合的方法，应用数量化理论I，编制出滩地杨树数量化地位指数得分表，旨在为滩地有林地和无林地的杨树立地质量评价提供统一的标准，为滩地杨树造林和经营提供理论依据。经检验其精度较高，符合使用要求。

Study on the quantity evaluation of poplar site quality which grown on beach of Dongting Lake area

Based on the site index table for poplars in the Dongting Lake area,according to the selection and classification of site items,which affect the growth of poplars,the study introduces the method of combination of quality and quantity and applies to qualitative theory I,to develop the quantity site index chart for poplar.The purpose is to provide the evaluation standard for the sites of existing poplar forest and barren beach in Dongting Lake area,and to provide theory basis for the planting and manage poplars in the beach.The quantity index chart for poplar site quality evaluation is high precision and meets the demand of users by testing.