生态休闲农业园规划设计探析--以金寨县石碑生态农业园为例

以休闲观光和生态农业旅游为核心,将金寨县石碑生态农业园区划分为办公服务区、采摘果树种植区、时令蔬菜种植区、畜禽生态养殖区、垂钓休闲中心、度假村、农家乐、红军街等分区,对各区内相关项目进行了精心策划,同时对典型景点进行了设计,可为国内同类项目的规划与建设提供参考。     

Impacts of water resource planning on regional water consumption pattern: A case study in Dunhuang Oasis,China

Water resources are critical for the existence and development of oases in endorheic basins. Thus, to enable sustainable development, it is fundamentally important to understand how to allocate and use these resources in a reasonable way. We therefore simulated and analyzed changes in water consumption pattern within the Dunhuang Oasis of China under three scenarios using a system dynamic model that corresponds to different water consumption pattern. This was done to assess the impacts of regional water resource planning (comprehensive planning of the rational use of water resource and protection of ecosystem services in the Dunhuang Basin) on water consumption pattern within the Dunhuang Oasis. The first of these, Scenario 1, is a baseline in which the status quo is maintained, while Scenario 2 incorporates the comprehensive effects of agricultural water-saving irrigation measures with an inter-basin water diversion project, and Scenario 3 focuses on ecological rehabilitation. In the baseline Scenario 1, the total water consumption within the Dunhuang Oasis increased progressively while agricultural water consumption remained extremely high and threatened overall ecological security. In contrast, Scenario 2 would decrease agricultural water consumption by almost 5.30×10⁷ m³ following the implementation of water-saving practices. The additional water allocated from an inter-basin water diversion project would play an important role in alleviating ecological strain on the oasis. Finally, in Scenario 3, the total irrigated land must be decreased to 20.6×10³ hm² by 2025 assuming that water supply for ecosystem restoration would be at least 50% of the total consumption. Although water resource planning plays a very important role in alleviating the ecological water crisis within the oasis, it is necessary to consider the suitable scale of oasis with regard to current water consumption pattern.     

生态林业概论

生态林业是以木本植物群落为对象，遵循生态学原理，以生态经济学为指导，用系统工程的方法充分合理地利用自然资源而建成的一个整体协调、循环再生的优化林业生产模式。它是转变我国林业“两危一困“局面的理想之路。     

浅谈森林生态用水

当前,研究森林生态功能时,人们较多地关注森林涵养水源功能,即森林对生态建设的贡献,却较少研究培育森林、维系森林生态还需要水分,森林的生存和发展都需要水,森林是水分循环的主要载体.文章阐明森林能涵水、提供水分,同时森林的形成也需要水分这个新理念,并从宏观上提出森林生态用水的策略,与同行探讨.     

黑龙江省东北虎野外种群监测研究

2003～2004年，在黑龙江省建立了东北虎监测网络系统，共记录到东北虎活动足迹链等信息25个。监测结果表明，黑龙江省东北虎目前分布于完达山东部、老爷岭南部和张广才岭南部3个独立的分布区，东北虎的数量在9～11只之间，其中完达山东部5～6只（1～2♂，2♀，2幼体），老爷岭南部3～4只（1～2♂，1♀，1亚成体），张广才岭南部1只（1♂）。在完达山东部乌苏里江流域的中俄边境地带存在东北虎迁移生态通道；老爷岭南部的中俄边境与吉林省交界地带有东北虎跨境迁移活动，并发现亚成体；完达山东部是黑龙江省东北虎最适宜的栖息地，并且存在东北虎的繁殖个体，是东北虎种群恢复和增长最具潜力的林区。     

生态问题与森林生态系统管理

从当代生态问题的严峻形势出发,分析了生态问题的形成,与人类对生态过程的认识.进而从生态系统管理的基本概念出发,提出森林生态系统管理研究的重大意义,并从理论到实践上提出了研究森林生态系统的一些基本原则.     

中国生态区划分与评价和保护建设的研究(Ⅲ)

生态区评价是国际上新近发展起来的一种科学方法和实践。有利解决资源开发利用保护生态环境的矛盾。中国生态区划分以地面景观为标准 ,并建立二级分类系统 ,区一亚区 ,同时充分利用政府行为。将全国共划分为 10个一级生态区 :天然林保护生态区、自然保护区生态区、水土保持生态区、防护林生态区、荒漠生态区、湿地生态区、林业生态区、草原生态区、农业生态区、青藏高原高寒生态区