摘要
以京西山区主要林内景观类型为评价对象 ,共收集了 4 4个有代表性的林内景观图片和相关资料 ,采用大众评判法获得公众对每个林内景观的喜好度值 ,然后用多元数量化理论Ⅰ模型建立喜好度与 15个景观要素间的回归关系。建模结果显示 ,就该区域而言 ,影响林内景观质量的主要因子有 6个 ,即 :树干形态、枯树倒木、树干排列、林下层总盖度、林下层统一度和坡度。文中对有关外业工作的规范、受评景观的基本特征、景观要素分解、评判方法等作了详细的说明 。
The evaluation of main types of in\|forest landscapes in the mountain area of west Beijing was conducted,44 representative photoes of in\|forest landscapes and interrelated material were collected.The Public Judgment Method was adopted in acquiring the likeliness values to every in\|forest landscape.Then the empirical model between likeliness values and 15 constituting elements was established by using Polybasic Mathematical Theory Ⅰ. The model showed that,the main factors which effect the quality of in\|forest landscapes most efficiently were:form of trunks,dead trees & fallen woods,arrangement of trunks,coverage of ground plants,uniformity of ground plants,degree of slope.Besides,the method of field work,the decomposition of in\|forest landscape elements,the general characteristics of judged landscapes,procedure of landscape judgment were stated in detail,and the conclusion of evaluation was also analyzed.
出处
《林业科学》
EI
CAS
CSCD
北大核心
2003年第4期59-66,共8页
Scientia Silvae Sinicae
基金
"九五"国家攻关项目( 96-0 0 7-0 4-0 2 )
林业部重点课题(96-54)
