在阐述宣汉县木材运输管理工作现状的基础上,分析了宣汉县木材运输管理工作存在的主要问题,提出了加强木材运输管理工作的建议。
文章简述了四川鞍子河自然保护区概况和主要保护对象,在此基础上重点分析了鞍子河自然保护区生态区位的重要性,并提出了保护区管理对策。
Forest gap,the usually happened interruption in miniature,is a significant room for forest cycling and succession,and a fundamental motivating force of space-time pattern change of forest eco-systems.This paper was studied the effect of forest interruption on re-generation from the temporal aspect(forest gap's age)and spatial aspect(forest gap's dimension),evaluated the impact of environment factor,such as light,temperature and humidity,soil,landform,etc.,on spatial environment heterogeneity,made a brief summary of research progress in these years,and in order to offer some reference for future studies.
Authors have studied the world's most advanced and cutting-edge forest management softwares, and found out that Virtual Forest is the most worth learning software by comparison. This article informatively and lively introduces the leading edge forest management software, Virtual Forest, through principles, forest management practices and rich pictures.
Based on the Landsat TM image and regional landform data with 1:250 thousands scale,this paper analyzed the landscape patterns at 5 different altitudinal zonality of Ganzi prefecture using RS and GIS technology,mastered the landscape index and distribution rule of landscapes at different altitudinal zonality.The spatial framework of landscape ecology in Ganzi prefecture is giving priority to nature landscape,the distribution rule of each landscape is obvious.The research result of this paper will put up decision support on holding nature resources in this area or establishing relevant regional ecology landscape plan for government or corresponding departments.
文章对开江县油橄榄产业发展的历史、现状进行了综合分析,指出了产业发展面临的问题及挑战,并结合产业发展方向和开江的实际,提出了建设性意见。
Nowadays,GVG sampling system,that has brought great convenience,is widely used in the agricultural field.This system has been used for national grain yield estimation near 10 years.This system has good performance,convenience sampling and made a great contribution for china.This article introduced the concept of GVG sampling system and its main functions,then elaborated the basic methods and steps of the traditional methods of interpret forestry remote sensing in forestry,then,studied on the application of GVG sampling system on forestry remote sensing interpretation,and put forward two methods to inspect the interpret results on real-time.Finally,supplied the problems and solutions of this method.