本文介绍了长岭县前七号国有林保护中心基本情况、森林资源现状,分析了其存在的问题,提出了对策建议.
樟子松(Pinus sylwestriv L.var mongolicalitv)又名海拉尔松,作为欧洲赤松一个变种,大约在200多万年前,由于冰山作用将樟子松从欧洲迁移到我国大兴安岭.
本文介绍了吉林省湿地资源类型,对湿地生态效益补偿机制建立的必要性和可行性进行深入探讨,指出湿地生态效益补偿制度公平正义、科学合理、可持续发展的基本原则,对建立湿地生态效益补偿机制的补偿对象、补偿标准、补偿方式和补偿资金等制度设计提出建议.
在现代城市绿化建设中,观叶植物凭借艳丽的色彩和优良的形状等众多优点越来越引起人们的重视,许多优异的观叶植物已经纳入城市绿化建设方案,并成为城市园林植物造景的重要组成部分,对长春地区观叶植物的科学分类和利用价值进行研究显得十分重要。
Purifying capacity of constructed wetlands was used to conduct wastewater treatment,having the characteristics of smaller investment,simpler management,less costs of maintenance and operation,better treatment effect,saving energy and protecting environment,which presented a broad application prospects. This paper summarized wastewater treatment technology of constructed wetlands,and forecasted the research and application of constructed wetlands in our country.
从种子处理、育苗、栽植、造林及后期管理方面对文冠果的技术要点进行概述,为其推广种植提供参考依据.
The peony viewing and medicinal functions have been recognized for many years,but the values of peony oil to get attention is only in recent years.Composite related literature,and combine with years of Changchun Peony Park management and protect experience,we analysis the oil peony industry advantages and prospects in Jilin Province,in order to provide a theoretical basis for the rational exploitation of Jilin oil peony resources,thereby promoting the development of Jilin oil peony industry.
对制约生态农村可持续发展的原因进行了概述和分析,提出相应的解决对策,并指出环境保护及资源的合理利用是生态农村可持续发展的关键。
森林抚育采伐是森林经营中的重要内容。植树造林可以一次性完成,抚育采伐却贯穿于造林之后直至成熟这一过程中。因此,森林抚育采伐不仅是获得木材的重要手段,更是培育森林的重要措施。本文通过对吉林省森林抚育采伐存在的问题进行分析,并提出了相应的对策,以期望森林抚育采伐能够更科学、更合理地进行。
The "garden city" reputation of the city wetland park is an important part of city ecosystem,is one of the important ecological infrastructure,with ecological and social service function.The city wetland park facing the serious destruction,the destruction of forward,put forward legislation to safeguard,technical improvement,appealing to the public and a series of protective measures,in the hope of protection of city wetland park,realize the harmonious development of man and nature.