supported by the Key Program of the National Natural Science Foundation of China (40730103);the National Natural Science Foundation of China (41071132);Hebei Natural Science Foundation (D2008000186 and D2009000300)
Pollen assemblages of 53 surface pollen samples from farmlands and wastelands in Northeast China were analyzed. Tree pollen percentages were usually higher than 30%, with Pinus (26.9%), Quercus (0.9%), Betula (0.9%) a...
supported by the Key Program of the National Natural Science Foundation of China(40730103);the National Natural Science Foundation of China(40672107 and 41071132);Hebei Natural Science Foundation(D2008000186 and D2009000300)
Investigation of 78 surface pollen samples from warm temperate hilly areas of eastern China shows that pollen assemblages in areas of different land use are significantly different.Pollen concentrations in wastelands ...