益阳市秀峰公园第二期园林景观设计初探

湖南省益阳市秀峰公园园林景观设计,结合了益阳的自然条件和历史文化,在整治秀峰湖水域及其周边环境的基础上,利用秀峰山起伏的山体和丰富的植被,做到了景观与自然的和谐统一。通过对其园林景观设计的论述,对在中心城区原有公园改扩建中如何进行景观设计进行了探讨。     

公园城市建设背景下风景园林专业课程体系改革研究

为适应公园城市建设对风景园林专业人才的需要,有必要对现有风景园林专业课程体系进行改革.以徐州工程学院风景园林专业现有课程体系为例,对比其他高校风景园林专业课程体系,以气候顶级群落结合人文资源特点构建作为公园城市景观建设的目标,分析现有课程体系构成,并以公园城市建设目标为依据,改革现有风景园林专业课程体系.提出了通识必修...     

我国森林生物多样性变化的评价研究

应用控制论中“黑箱”理论的原理 ,参考经济合作与发展组织 (OECD)对环境政策影响的评价和芬兰森林资源核算的研究 ,创造性地使用压力 -状态响应评价法 ,设计了森林生物多样性变化评价的框架、指标和计算公式 ,并使用该方法对我国 1973年 - 1998年的森林生物多样性的变化进行了评价。评价结果表明 :1973年 -1998年 ,我国森林生物多样性的压力越来越大 ;森林生态系统多样性先逐渐上升 ,尔后又逐渐下降 ;森林物种多样性和森林生物多样性总体趋势增加 ,但第四次资源清查之后有所下降     

对森工企业实行债转股的认识

债转股是政府摆脱国有企业和银行双重困境的政策选择。但在目前经济和社会信用背景条件下，对国有森工企业实行债转股的作用不能高估，必须对债转股的理论依据和实践中可能遇到的问题进行深入分析。单纯寄厚望于债转股，是不能解决根本问题的。     

松花江林区发展民有林的探索与实践

松花江林区民有林发展分3阶段,至2000年后大量发展起来.2006年对林区民有林进行清查确认结果,累计营造民有林1万余 hm2,保存面积8 925 hm2.民有林发展中还存在着管理政策不尽完善、无森林资源保险,造林地块难落实,技术薄弱,服务体系不健全等问题.藉此提出政策上扶持、实施森林保险,建立严格的计划审核制度、科学经营、森工内部成立森林资源价格评估鉴证机构等措施和建议.     

富源县竹园镇森林抚育现状及对策初探

文章通过对富源县竹园镇森林抚育的现状进行总结,系统分析存在问题,结合森林培育学等相关林学理论知识,提出开展森林抚育工作的6个具体对策。     

新形势下林地资源管理现状与对策

本文深刻分析了当前安徽省林地资源管理工作中面临的主要五大问题,针对性地提出了加强林地资源管理的七大对策和建议,旨在更好地保护林地资源,维护区域生态平衡,促进地方经济持续发展。     

Wood Production Potentials of Fenno-Scandinavian Forests Under Nature-Orientated Management

In Finland, Norway and Sweden forest management is presently changing towards a more nature-orientated management. In this study the European Forest Information SCENario (EFISCEN) model was applied to determine how this change might affect the potential for wood production in the three countries. Three different management regimes, traditional, traditional with nature conservation (''conservation''), and longer rotations with nature conservation (''conservation +''), were combined with two alternative felling levels. The results show that conserving 6.1-8.8% of the older forests in the southern regions had no limiting effects on production levels, as foreseen by the European Timber Trend Studies V by the UN-ECE for Finland and Sweden. Under the conservation + scenario, maximum sustainable felling levels decreased to 84, 79 and 72% of the present levels in Finland, Norway and Sweden, respectively. Increasing the rotation length put more pressure on the older age classes and thus did not increase the average age of the forest. If the consumption of wood increases as quickly as indicated by other studies, it will be hard to fulfil that demand and at the same time conserve considerable areas of forest in the southern regions of the countries.     

Observance–Influence Analysis: A Case Study in a Forest Recreation Area

Importance–performance (I-P) analysis is a common evaluative measure in forest recreation management. However, concerns with I-P analysis have been raised. In this study, the observance–influence (O-I) analysis technique modified from I-P analysis was adapted for analysing the observance of various use and resource impacts by on-site visitors, and the influence that these impact conditions have on forest recreation area visitor experiences. During the summer and autumn of 2000, 476 Worak-san Forest National Park visitors in Korea were surveyed. The O-I grid generated from the survey data indicated that managers are doing a good job. The grid revealed most impacts clustering in the low priority concern and no concern quadrants. Impacts shown to be of most concern related to utility poles and power lines, poor maintenance of buildings, dead and dying trees, and discourteous behaviour. The O-I grid analysis model has considerable utility for park managers in analysing visitors’ perceptions of park impacts.     

小九林场森林资源现状及动态分析

利用1999年与2010年的森林资源调查资料,对小九林场森林资源现状和近10年森林资源动态变化进行了分析,做出经营效果的综合评价。