نتایج جستجو برای: china udsa forest service rmrs p
تعداد نتایج: 1850109 فیلتر نتایج به سال:
Competition for light has traditionally been considered as the main mechanism for exclusion of Pinus massoniana during succession in subtropical forest ecosystems. However, both long-term inventories and a seedling cultivation experiment showed that growth of mature individuals and young seedlings of P. massoniana was not limited by available light, but was strongly influenced by stoichiometric...
background: in this study, specific measures of extended nursing services and its values on patients with bladder cancer after endoscopic bladder electrosection were examined. methods: sixty-six patients diagnosed with bladder cancer in laiwu people's hospital(no. 001, xueyehu street, changshao road, laiwu, shandong, china) between february 2012 and february 2014, and underwent endoscopic bla...
The international effects of United States countervailing duties on imports of coated free sheet paper from China, the Repuhlic of Korea, and Indonesia were predicted with the Global Forest Products Model, up to the year 2020. The results indicate that the production of printing and writing paper in China, Indonesia, and the Republic of Korea would be lower. The trade balance would worsen in Ko...
background this paper aims to investigate the development trend of traditional chinese medicine (tcm) hospitals in china and explore their medical service innovations, with special reference to the changing co-existence with western medicine (wm) at tcm hospitals. methods quantitative data at macro level was collected from official databases of china health statistical yearbook and extracts o...
BACKGROUND The current prevalence of tuberculosis (TB) in the People's Republic of China (P. R. China) demonstrates geographical heterogeneities, which show that the TB prevalence in the remote areas of Western China is more serious than that in the coastal plain of Eastern China. Although a lot of ecological studies have been applied in the exploration on the regional difference of disease ris...
The effect of fallow on Longidorus americanus, a nematode associated with stunting of loblolly pine seedlings in Georgia, USA Stephen W. FRAEDRICH 1,∗, Michelle M. CRAM 2 and Stanley J. ZARNOCH 3 1 USDA Forest Service, Southern Research Station, 320 Green Street, Athens, GA 30602, USA 2 USDA Forest Service, Forest Health Protection, 320 Green Street, Athens, GA 30602, USA 3 USDA Forest Service,...
Introduction. All symptoms and most objectively verified abnormalities of fibromyalgia are common among patients with hypothyroidism or partial peripheral thyroid hormone resistance. In treatment trials, thyroid hormone therapy has reduced or eliminated fibromyalgia symptoms, and a long-term follow-up study showed that improvement with thyroid hormone therapy lasted 1-to-5 years. In a previous ...
Modeling the Potential of the Northern China Forest Shelterbelt in Improving Hydroclimate Conditions
The forest shelterbelt (afforestation) project in northern China is the most significant ecosystem project initiated in China during the past three decades. It aims to improve and conserve the ecological environment in the project areas. The tree belt stands along the southern edge of the sandy lands, nearly paralleling to the Great Wall. This study used a regional climate model to simulate the...
There are more than 750 counties in 13 provinces and autonomous regionsconstituting 30% of China lands which are facing serious problem of desertification. Theseareas are mainly distributed in arid, semi-arid and dry sub-humid areas in the western part ofNortheast China, North central china and most of northwest china. Biological methods are theultimate way for drift sand stabilization and a fu...
The Ussurian pear is the most important cultivated pear in the northern part of China. Cultivated Ussurian pears are considered to have derived from Pyrus ussuriensis Maxim. which is native to the northeast of China. In Japan, two varieties of P. ussuriensis, P. ussuriensis var. aromatica and var. hondoensis are native to the northern area and the central area of the main island respectively. I...
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