本文選題：共和盆地　切入點(diǎn)：人工灌木林　出處：《土壤》2016年02期 　論文類型：期刊論文

【摘要】：共和盆地高寒沙區(qū)植被恢復(fù)區(qū)4種典型人工灌木林是檸條(Caragana korshinskii)、沙棘(Hippophae rhamnoides)、沙柳(Salix psammophila)和烏柳(Salix cheilophila)。土壤有機(jī)碳密度調(diào)查研究表明,不同灌木群落類型下的土壤有機(jī)碳密度(0~100 cm)由大到小是:沙棘9.42 kg/m2、沙柳6.73 kg/m2、烏柳6.06 kg/m2、草地4.56 kg/m2、檸條3.67 kg/m2。不同灌木林地0~100 cm土壤質(zhì)地和分層狀況不同,土壤有機(jī)碳含量隨著土壤深度增加而減少,表層(0~10 cm)含量最高。與對(duì)照樣地草地相比,位于丘間地的林地土壤有機(jī)碳含量均有不同程度的提高。
[Abstract]:Four typical artificial shrubs in the vegetation restoration area of the alpine sandy region of the Gonghe Basin are Caragana korshinskiike, Hippophae rhamnoidesus, Salix psammophila) and Salix cheilophila. The investigation of soil organic carbon density shows that the soil organic carbon density of Caragana korshinskiii, Hippophae rhamnoidesus, Salix psammophila and Salix cheilophila are studied. The soil organic carbon density of different shrub communities ranged from large to small: Hippophae rhamnoides 9.42 kg / m2, Salix willow 6.73 kg / m ~ 2, Salix willow 6.06 kg 路m ~ 2, grassland 4.56 kg 路m ~ (2), Caragana korshinskii 3.67 kg / m ~ (2). Soil texture and stratification were different in different shrub land (0 ~ (100) kg / m ~ (2)). The content of soil organic carbon decreased with the increase of soil depth, and the content of soil organic carbon was the highest in the surface layer (0 ~ 10 cm). Compared with the grassland of the same land, the soil organic carbon content of the woodland in the hilly land increased to some extent.
【作者單位】： 中國(guó)林業(yè)科學(xué)研究院荒漠化研究所;
【基金】：國(guó)家“十二五”科技支撐課題項(xiàng)目(2012BAD16B0105) 林業(yè)行業(yè)公益項(xiàng)目(201404304) 國(guó)家自然科學(xué)基金項(xiàng)目(41130640)資助
【分類號(hào)】：S714.2
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本文編號(hào)：1575647