Study on isolation methods of actinomycetes of artificial forest litter.
人工林凋落物中放线菌分离方法研究。
Among arbor vegetation type, artificial forest land breathe intensity greater than Pavement green land.
在乔木植被类型中，人工林地的土壤呼吸强度大于行道绿地。
The change extent of surface random roughness under natural forest is smaller than the artificial forest.
天然林的地表随机糙度变化幅度小于人工林的地表随机糙度。
The BBC recounts how Charles Darwin helped build an artificial forest on Ascension Island, one of his subjects of study from his trips on the HMS Beagle.
英国BBC详细叙述了查尔斯·达尔文如何帮助在阿森松岛上建立了一片人工林，这个岛屿是达尔文乘坐英国皇家海军“小猎犬号”进行科学考察过程中的一个考察对象。
Ascension Island Charles Darwin's artificial forest captures moisture from clouds that drift over the volcanic peaks on Ascension Island. Google earth.
阿森松岛——查尔斯·达尔文当年种的人造林从飘过阿森松岛(ascension Island)上的火山峰顶的云中吸收水分。
The area of artificial forestation, forest cover rate and forestry land were increasing steadily, but trees along the road and field were reducing greatly.
人工造林面积、森林覆盖率和林业用地面积平稳上升，但四旁植树株数下降幅度较大。
The present invention provides air pdocut in the forms of bottled and canned forest air, forest air cabin and artificial forest air environment engineering system.
本发明以罐装瓶装森林空气，森林空气舱，以及人工森林空气环境工程系统的形式提供新型空气产品。
Artificial forest ecosystem of Lanhzou South-north Hills is an important component of Lanzhou urban ecosystem, it has decisive influence on Lanzhou urban ecological environment.
兰州南北两山人工林生态系统是兰州市城市生态系统的重要组成部分，对兰州市城市生态环境有着举足轻重的影响。
This paper treats of the causes of site productivity decline of artificial forest, including planting methods, climate, soil, population structure, species and the proper measures.
本文从育林措施、气候、土壤、人工林群落结构、树种等方面概述了引起地力衰退的主要因素和应对策略。
The present invention provides a drought-resistant method for building and raising the artificial forest, the steps of which comprise: (1) the construction of the affluence surface;
本发明提供了一种用于人工林营造和抚育的抗旱方法，其步骤包括：（1）建集流面；
Physical process of the effect of Locust artificial forest on the rainfall and the rules of water and soil losses under storm condition were analysed quantitatively and qualitatively.
本文定量及定性地分析了刺槐人工林影响降雨的物理过程以及暴雨条件下的水土流失规律。
The soil hydrology-physical properties of the soils adret and ubac of the forest was studied, through two-year observation(2003~2004) and comparision in the artificial forest of Cinnamomum camphora(L.
对樟树人工林林地不同坡向阳坡和阴坡的土壤水文-物理性质进行为期两年的观测和对比分析。
The most effective pattern for soil conservation was the artificial forest with underbrush treatment, and the best water conservation pattern was the treatment of planting tea bush on contour terrace.
林下地表覆盖处理的保土效果最好，等高梯田种植茶树处理的保水效果最好。
Tawny owl chicks sit on a tree branch at an artificial nest in a forest near village of Uzda, south of Minsk.
灰林鸮雏鸟站在白俄罗斯首府明斯克市南部乌兹达村旁森林中的人工巢穴的树枝上。
Surrounding by "L" character artificial reservoir, the project faces the Zhaomu Mountain Forest Park on the east.
项目东临照母山森林公园，受L形人工水库环绕，看到自然，又有很少的视野宽度。
Forest ecologists have been more concerned than agronomists with the inner mechanisms of natural and artificial ecosystems.
森林生态学家比农学家更关心天然生态系统和人工生态系统的内部机制。
Poplar crinkle disease is a new discovered in artificial poplar forest in Heilongjiang province.
杨树皱叶病是在黑龙江省杨树人工林中新发现的病害。
Artificial ponds yielded fish, and corrals held deer and other game flushed from the forest.
人工池塘中养着鱼，畜栏内则关着鹿或其他从丛林里猎捕来的动物。
Research on log rule of timbers from artificial masson pine forest.
马尾松人工林材种出材率表的研究。
The effect factors of forest soil respiration and the research progress of the influence of artificial disturbance on forest soil respiration were discussed.
介绍了森林生态系统土壤呼吸的研究意义，森林生态系统土壤呼吸的影响因素，人为扰动对森林土壤呼吸影响的研究进展。
At last, this paper will also apply the stand density model established with artificial neural network in asset assessment of forest resources and the estimation of growth and harvest.
最后，本文还将把人工神经网络建立的林分密度模型用于森林资源资产评估，进行生长收获的预估。
The east historic city of Xiangfan city, west city of Shiyan city, according to South Shennongjia forest primeval forest, a large artificial lake bounded by the Danjiangkou Reservoir.
东接历史名城襄樊市，西靠车城十堰市，南依原始森林神农架林区，北临大型人工淡水湖丹江口水库。
The order of controlling benefits from high to low is terrace, economical forest-fruit, soil and water conservative forest, closed treatment, artificial grass planting and conservative tillage.
各种治理措施效益由高到低的顺序依次是坡改梯、经济林果、水保林、封禁治理、人工种草和保土耕作。
The authors had studied the soils and vegetation in forest gaps and under the canopy in the artificial coniferous forests of the West Mountain of Beijing.
作者研究了北京西山地区人工针叶林林冠空隙和林冠下的土壤及植被状况。
This study supported by mathematical method was from a new angle. For example, in the aspect of forest fire forecast, the main cause of forest fire was artificial fire, which had lots of randomness.
在预测林火发生方面，考虑到人为火是发生森林火灾的主要原因，有很大随机性，因而采用了马尔科夫随机过程理论。
Due to the characteristics of extremely hot and dry climate, it is hard to build the artificial eco-forest.
由于其异常干热的气候特点，使得人工生态林建设更为艰难。
The Falcons inhabiting in the mountain meadow steppe and artificial coniferous forest were influenced by the high voltage wires of the wind generating electricity factory.
风力发电场的高压电线对栖息于山地草甸草原和针叶林的隼形目鸟类造成一定影响。
The Falcons inhabiting in the mountain meadow steppe and artificial coniferous forest were influenced by the high voltage wires of the wind generating electricity factory.
风力发电场的高压电线对栖息于山地草甸草原和针叶林的隼形目鸟类造成一定影响。
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