地被层 meaning in Chinese

ground storey

The species were separately caragana korshinskii hydysarum scoparim artemisia ordosica in shrubs layer , eragrostis poaeoides bassia dasyphylla in herbs layer , bryum argenteum barbula ditrichodies in microbiotic crusts layer . and the dominant species of them were artemisia ordosica eragrostis poaeoides bryum argenteum respectively . due to the different time and the topographical varieties in the fixing - sand region , the horizontal structure of artificial vegetation manifested out the mosaic characteristics
灌木片层的主要植物种是柠条( caraganakorshinskii ) 、花棒( hydysarumscoparim ) 、油蒿( artemisiaordosica )等灌木植物，其中优势种为油蒿；草本片层的主要植物种有小画眉草( eragrostispoaeoides ) 、雾冰藜( bassiadasyphylla )等，其中优势种是小画眉草；生物结皮由藻类和苔鲜类构成，其中，银叶真鲜( bryumargenteum夕为固沙植被区鲜类地被层优势成分。