منابع مشابه
Rainfall Characteristics of the Liudaogou Catchment on the Northern Loess Plateau of China
The objectives of this study were to understand the rainfall characteristics of thewind-water erosion crisscross region on the northern Loess Plateau, China, to provide basisfor the studies on mitigation of soil erosion, estimation on surface water resources andlocal hydrological circle, etc. The Liudaogou Catchment with representative climatic andhydrologic conditions of wind-water erosion cri...
متن کاملpolitical economy of china in central asia
this research is about the political economy of china in central asia. in this research the political & economic interactions affected on chinas political economy in central asia are examined. chinas goal of presence in central asia including political-security, economic and energy goals is described in one part. in another part, the trade relations between china and central asian countries ar...
15 صفحه اولLinking wolves to willows via risk-sensitive foraging by ungulates in the northern Yellowstone ecosystem
After an absence of approximately 70 years, gray wolves (Canis lupus) were re-introduced into Yellowstone National Park in the mid-1990s. We studied the potential influence of wolf/ungulate interactions upon willow (Salix spp.) growth in the valleys of the Gallatin and Lamar Rivers, as well as Slough and Soda Butte Creeks, in the northern Yellowstone ecosystem. When we compared willow heights f...
متن کاملPhenylketonuria mutations in Northern China.
Mutation spectrum of phenylalanine hydroxylase (PAH) gene in patients with phenylketonuria (PKU) in Northern China is described with a discussion on genotype-phenotype correlation. By using PCR/SSCP and DNA sequencing, all exons of PAH gene in the 185 unrelated patients with PKU from Northern China were studied. A total of 70 different mutations, including 42 missense, 12 splice, 7 nonsense, 5 ...
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ژورنال
عنوان ژورنال: Rangifer
سال: 1994
ISSN: 1890-6729
DOI: 10.7557/2.14.2.1135