Comparison of Metallothionein-3 Gene Expression Levels in Different Brain Parts of Tibetan-sheep Between Different Altitudes Areas Relationships of stable carbon isotope of Abies faxoniana tree-rings to climate in sub-alpine forest in Western Sichuan Effect of different altitudes on content of polysaccharide in Panax ginseng Effect of different altitudes on content of polysaccharide in Panax ginseng ALTITUDINAL VARIATION OF ANTIOXIDATIVE SYSTEM IN LEAVES OF RHODIOLA QUADRIFIDA AND R. GELIDA Studies of the tolerance of Avicennia marina and Aegiceras corniculatum to seawater immersion in Guangxi, China Comparison of Antioxidative System in Microula sikkimensis at Different Altitudes Research on biomass and reproductive allocation of Epimedium pubescens Maxim Comparison of antioxidative system in Kobresia humilis grown at different altitudes on Qinghai-Tibet Plateau