农学 >>> 林学 >>> 林业基础学科 林木遗传育种学 森林培育学 森林经理学 森林保护学 野生动物保护与管理 防护林学 经济林学 园林学 森林统计学 林业经济学 林学其他学科
搜索结果: 1-14 共查到知识库 林学 first相关记录14条 . 查询时间(0.078 秒)
Taxocenosis of psocids (Psocoptera) was studied in the territory of the Drahanská vrchovina Hills in the Czech Republic. Representative research plots were selected in forest ecosystems with natural s...
A few individuals of Grayish oak have been observed in the Low Murgia Plateau, Puglia Region. This is the first time that Quercus pedunculiflora C. Koch has been found in Italy. The territory is domin...
Bareroot and containerized seedlings (seedling type) of Norway spruce, Scots pine, European larch, European beech, and sycamore maple were outplanted in autumn 2008 and in spring 2009. Roots of a half...
To observe the first reaction of Mesostigmata mites for conversion of even aged spruce stands under conversion with common beech and silver fir, four pairs of experimental plots directly neighbouring ...
The study analyses the growth of beech seedling fine roots and their development in the first five years. The research plots were established in 1997–2003 in community forests of Stary Plzenec (Wester...
A 6-year-old clonal trial with 13 clones of wild cherry (Prunus avium L.) was evaluated during the summer of 2004 at 6 different sites in the Czech Republic. Observed traits were the stem height, stem...
The root-plant ratio is one of the important parameters for planting stock quality. We suppose that the ratio is one of the driving variables for the growth performance of new plantation in the forest...
European larch (Larix decidua Mill.) is one of the most important tree species in substitute stands of the Krušné hory Mts. (northern part of the Czech Republic). At present, young larch stands...
The causal agent of the chestnut blight, the fungus Cryphonectria parasitica (Murrill) M. E. Barr (syn. Endothia parasitica (Murrill) P. J. Anderson et H. W. Anderson), was found out at new localities...
The Collaboration between H.H. Richardson, Frederick Law Olmsted, and Charles Sprague Sargent on the train stations and grounds of the Boston and Albany railroad, and connected lines, involved the new...
This paper addresses concerns about commercial harvesting of non-timber forest products (NTFPs) that relate to First Peoples in British Columbia. Many of the species identified as being significant, o...
Water quality and availability is an urgent global concern. This paper documents, through the use of ethnographic research methods, First Nations’ concerns and perspectives about water. The paper’s ...
First Nations Elders are very concerned about whether enough clean drinking water will exist for future generations. Three highly respected Elders from the Southern Interior of British Columbia helpe...
Bursaphelenchus vallesianus isolated from a dead Scots pine, Pinus sylvestris, in the village of Bahçecik northeastern Turkey in an area managed by the Trabzon Regional Forestry Directorate is ...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...