权威例句
Flora of the Great Plains.Flora of the Great Plains. 1986In: Flora of the Great PlainsMonitoring vegetation systems in the great plains with ERTSAVIAN RESPONSE TO LANDSCAPE CHANGE IN FRAGMENTED SOUTHERN GREAT PLAINS GRASSLANDSAnalysis of Factors Controlling Soil Organic Matter Levels in Great Plains Grasslands1LONG‐TERM ECOSYSTEM IMPACTS OF AN INTRODUCED GRASS IN THE NORTHERN GREAT PLAINSEffort Needed to Estimate Species Richness in Small Streams on the Great Plains in WyomingLivestock as Ecosystem Engineers for Grassland Bird Habitat in the Western Great Plains of North AmericaMonitoring vegetation systems in the Great Plains with ERTS. Third Earth Resources Technology Satellite-1 Symposium. NASA Sp-351 I, ...
