林业林

The journal is aimed at research foresters throughout the world and hopes to answer the needs of professional foresters.

期刊的目的是通过全世界来研究林业并希望解答专业林人的需要。

Should be based on one's own resources advantages , change the traditional forestry's development model in the past as the large county of forestry of Yunnan.

作为云南省林业大县，应立足自身资源优势，改变以往传统林业发展模式。

The Forestry Commission woods are situated on the northern edge of the Chiltern escarpment and cover 325 hectares with coniferous and broadleaved woodland.

Getty Images / Oli Scarff 林业委员会树林是位于悬崖的齐尔滕北部边缘，覆盖325针叶林和阔叶林地公顷。格蒂图片/奥利思达

The part of the development of commonweal can\'t represent the whole development of forestry industry.

商品林的发展是林业产业发展的一个重要方面，也是整个产业发展不可或缺的部分。

According to 1∶10 000 topographic maps,basic forestry pictures and forest constitutional diagram,based on the landscape ecology principles and the technology of geographical information system,the landscape spatial pattern and diversity of the forest around Cuiping Lake of Gutian were analyzed.

利用福建省古田水库国有防护林场1996年二类资源调查资料和2001年补充调查资料基础数据，结合1∶1万地形图、林业基本图和林相图，运用景观生态学原理，借助地理信息系统技术，对古田翠屏湖的森林景观空间格局及其多样性进行分析。

Dendrology provides students knowledge on trees necessary by forest management, silviculture, ecology, natural reserve conservation and wildlife protection, plant resources and their utilizations. So it is important for students studying forestry to learn knowledge about trees in classification, biological and ecological characteristics.

森林资源管理、退耕还林、林业生态工程、森林保护、植物资源及林产品开发利用等都离不开树木学知识，因此，作为林学的学生必须了解树木的分类、树木的生物学、生态学特性等方面知识，以便为这些课程的学习以及将来的工作提供基础。

Frame saw ; feeding mechanism ; optimization design ; cutting force

北京林业大学；严雄林框锯机；进给机构；优化设计；锯切力

Another part of the problem is the United Nations itself - which refuses to classify industrial-scale tree farms (notably plantations for palm oil, rubber or pulp) other than as forests.

而问题的另一部分则是联合国本身，他们拒绝将工业用林（如棕榈油、橡胶、纸浆用林）从传统林业种分类出来。

The confirmation method of mature level in uneven-aged forest is an insoluble problem both in forestry theory and forestry production at present.

以林木经济成熟径级确定为例，通过径级价值量被其径级材积除的模式转换办法，解析异龄林林木成熟的确定方法，进而为改善林业生产中异龄林采伐的盲目性提供依据。

Remark:(1)The cost ofseeding、soil preparation、clearance ofweeds、fertilization、implantation、repair planting、tending and fertilizers etc is included in afforestation cost, the plantations are tended l time in the afforest first year and thesame thing had been done in the next year;(2)The land rent which is 225 yuanhm-2a-1 and the cost of pest control and fire proof which is 75yuanhm-2a-1 are included in the fixed cost;(3)The plantation is managed aS the sprout forest after catastrophe, the plantations are tended 1 time in the year of disaster and the same thing had been done in the next year.

桉树速生用材林营林成本因地点和经营者的不同而有所差异，为方便进行经济效益评价，经咨询江西赣州金太阳科技林业有限公司、湖南永州林业局、广东连州市林业局和广西来宾市林业局的有关人员，结合华南地区桉树人工林造林成本，本研究的经营成本统一确定如下(表2)。注：(1)造林费用包括造林当年的种苗、清山，除杂、整地、施肥、栽种、补植、当年的抚育以及肥料等人、财、物的投入；在一个轮伐期中，造林当年抚育一次，次年抚育1次；(2)年固定费用包括：土地租金按225元hm-2a-1计算，护林防火、病虫害防治等费用按75元hm-2a-1计算；(3)林分受灾后作萌芽林经营，受灾当年抚育一次、次年抚育一次。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。