通过对吉林省延吉市的地理位置、行政区划、自然条件和森林资源现状的调查分析,介绍了森林分类经营区划工作中的理论基础和成果论证,指出森林分类区划后对生态公益林应实行事业化管理,对商品林经营则应实行产业化的管理模式.
简述了长白山自然保护区内日益频繁的各类人为活动,及其对区内生态环境的破坏作用。面对不断恶化的环境和即将出现的生态危机,提出了保护区建设中急需解决的问题和措施。
以Visual Basic 6.0为开发平台,应用MapObjects组件实现资源小班数据图形数据管理,是一种方便经济的资源管理方式.
Forests have multiple functions,they not only can bring about forest dwellers ecological benefits,but also can improve the lives of forest dwellers.To achieve these features,you need to make forestry administration and protection work,so that these functions of forests can maintain long-term.This article carried out a preliminary study and discussion on how to strengthen forest management and protection work.
The main methods and successful experience of forest cutting and management were discussed in Eedaogou forest farm of Hongshi forestry bureau.Based on the analysis of current problems in cutting management,some suggestions for strengthening cutting management were put forward.
"悠悠川西行,浓浓神仙意",带着对道教发源地的景仰和崇拜之情,金秋十月,我前往大邑鹤鸣山参访. 鹤鸣山,又叫鹄鸣山.位于四川省大邑县城西北二十五里的鹤鸣乡悦来镇境内,海拔一千多米,为古代剑南四大名山之一.因山形似鹤或山藏石鹤、山栖仙鹤而闻名.东汉顺帝汉安年间(126-144年)祖天师张道陵在此创立正一盟威之道,民间称五斗米道,尊称天师道,由此道教正式诞生.