Growth indices of artificial cultivated hedysarummaxim . are studied by line transect methods , species diversity indices are calculated to study the sand - fixing effects of hedysarummaxim 摘要采用樣線(xiàn)法對(duì)人工種植羊柴進(jìn)行研究,調(diào)查其生長(zhǎng)狀況,并通過(guò)研究其物種多樣性來(lái)分析羊柴對(duì)流沙的固定效果。
This study aims at censusing of the panda population , panda ' s exploitation of habitats and impacts of various human activities on the giant pandas and its habitats . the route transect method was used and plots were set along the route in each valley at wanglang 調(diào)查方法是在王朗保護(hù)區(qū)內(nèi)設(shè)置樣線(xiàn),沿樣線(xiàn)設(shè)置樣方,在樣方中收集大熊貓各類(lèi)痕跡的數(shù)量、特征、空間位置和生物與非生物環(huán)境因子。