新疆三工河流域灌区实行节水灌溉水费标准分析

利用工程实际资料，对井渠结合灌区的供水成本及水费标准进行分析讨论，提出现阶段水费计收标准以及加强灌区灌溉管理、降低供水成本、提高灌溉效益的初步建议，并为灌区作物结构优化设计提供依据。     

The hunting value of game in Sweden: Have changes occurred over recent decades?

Abstract

This short communication deals with the hunting value of all game in Sweden, specifically changes over time in value and value components, and differences between the northern and southern parts of the country. The investigation was based on two mail surveys, one conducted in 1987 and the other in 2006. The results suggested that the gross hunting value and the hunting cost share of this value increased over the two decades. The consumer surplus (net value) share decreased correspondingly, while the recreation share and the meat share of the hunting value were more stable over time. It appeared that in 1987 as well as in 2006 the southern Swedish hunters tended to value their hunting higher than the hunters in northern Sweden, especially when it came to the recreation. The results should be relevant in the context of game management, adaptive game management in particular.     

辽宁省西丰盛京狩猎场规划设计探讨

森林生态旅游、狩猎将成为21世纪的朝阳产业。辽宁冰砬山一带原是清朝初期皇家“盛京围场”之腹地，这里曾是东北虎、豹、梅花鹿、野猪、黑熊、狍子等野生动物的乐园。1895年在冰砬山下建立的第一个“皇家鹿苑”开辟了梅花鹿人工饲养的先河，至今兴盛不衰。为使冰砬山区的资源优势变为经济优势，恢复“皇家围场”原貌，拟在冰砬山规划建设狩猎场。对狩猎场建设的可行性、猎期和猎取量、狩猎场的管理、狩猎场的经济效益进行了探讨。     

平山狩猎场夏季鸟类群落结构生态位研究

根据本试验观察的空间生态位数字特征，结合鸟类的取食基底和食性，平山地区夏季鸟类群落划分为６大取食集团：（１）以鹌鹑等代表的绝对地面取食集团；（２）以灰头鵐等为代表的相对地面取食集团；（３）以沼泽山雀等为代表的灌丛层取食集团；（４）以大山雀等为代表的下木层取食集团；（５）以灰背鸫等为代表的林冠取食集团；（６）以斑啄木鸟为代表的树干取食集团。     

加强工程竣工结算的审核

审核工程竣工结算是一项技术性、经济性和政策性很强的工作。只有加强对竣工结算的审核 和监督,才能节约建设资金,合理有效地使用固定资产投资。     

Bushmeat Poaching and the Conservation Crisis in Kahuzi-Biega National Park,Democratic Republic of the Congo

Summary

The gorilla and elephant populations of Kahuzi-Biega National Park in the Democratic Republic of the Congo (DRC) have recently suffered from intensive commercial and subsistence poaching. In just four years, the highland sector of the park lost more than 95% of its elephant population and about 50% of its gorilla population. This tragedy was precipitated by the recent political and economic crises in the region. Many factors contributed to increased hunting of wildlife for food known as “bushmeat.” Among the principal factors were starvation and economic desperation in local communities, the spread of small arms, and the collapse of park protection during the civil wars. The incentive to hunt gorillas in the park may have developed gradually with the collapse of the Mobutu regime, the influx of refugees, and the two subsequent civil wars. Local re sentments felt toward the park and its authorities may have contributed to the willingness of local people to engage in illegal exploitation of wildlife resources. By promoting ecotourism and improving the infrastructure of the park and surrounding villages, the Institut Congolais pour la Conservation de la Nature (ICCN) and the German Technical Agency for Cooperation (GTZ) have made great efforts to improve local conditions. Local people, including park guards and guides, established a non-governmental organization that played an important role in the spread of conservation knowledge and the reduction of conflict among local people. Since the park began employing former poachers in 1999 and resumed conservation ac tivities, gorilla poaching has decreased significantly. The broader civil conflict continues and sporadic poaching is still common. This paper con siders and recommends optimal and urgent conservation measures to im prove the protection of the park and its gorillas.     

FOX Hunting System——一种新的功能基因筛选技术

FOX hunting system是近几年发展起来的又一新型分子生物学研究工具。在2006年,FOX hunting system作为一种植物功能获得性基因筛选技术首次被提出,可用于系统性阐明植物基因的功能。FOX hunting system可以在转基因植株中过量表达单个或有限数量的全长cDNA,这些异常表达的全长cDNA可能会导致显著的突变表型。根据研究目的对表型等方面发生改变的功能获得性突变植株进行筛选和解析,可以推断出转基因突变植株中所携带外源基因的功能。本文将就FOX hunting system的开发、流程、应用和发展等方面内容进行详细的阐述。