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W. G. WRIGHT     
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W. L. SCOVILLE     
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FRANK W. VERY     
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FRANK W. VERY     
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HERBERT W. CONN     
N CE 《Science (New York, N.Y.)》1917,45(1167):451-452
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A small ice cap (covering about 12 square kilometers) and at least two-probably four-cirque glaciers (each covering less than 1 square kilometer) occurred on St. George Island, Pribilof Islands, probably during the Illinoian; Glaciation. Snowbanks persisted during a later cold cycle, probably during the Wisconsin Glaciation, with no glaciers existing. We found no evidence of glaciation on other Pribilof islands.  相似文献   

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太白山自然保护区金背杜鹃菌根调查研究   总被引:3,自引:1,他引:3  
首次报道了在太白山自然保护区巴山冷杉林下采到的金背杜鹃(Rhododendron clementinae Forrest ex W.W. Smith subsp. aureodorsale W. P. Fang)共生真菌3种:卷缘网褶菌(Poxillus involotes (Botsch) Fr.)、亚褐环粘盖牛肝(Suillus subluteus (Peck) Snell ex Slipp & Snell.)、黄粉牛肝菌(Pulveroboletus ravenelii Berk. et Curt.  相似文献   

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