. Results of a biological survey of mount Shasta, California. RESULTS OF A BIOLOGICAL SURVEY OF MOUNT SHASTACALIFORNIA BY C. HART MERRIAMCHIEF OF DIVISION OF BIOLOGICAL SURVEY. washingto:n^ GOVERNMENT PRINTING OFFICE180 9 oy. (> t ^ f. «fc^y-/7 LETTER OF TRANSMITTAL. TJ. S. Department of Agriculture, Division of Biological Survey, Washiuf/ton, I>. (7., May 19, : I have the honor to trausniit herewith for publication,as JforthAmerican Fauna No. 10, a report on the results of a Biological Survey-or Mount Shasta, California, made during the summer of , C. Hart Merri
. Results of a biological survey of mount Shasta, California. RESULTS OF A BIOLOGICAL SURVEY OF MOUNT SHASTACALIFORNIA BY C. HART MERRIAMCHIEF OF DIVISION OF BIOLOGICAL SURVEY. washingto:n^ GOVERNMENT PRINTING OFFICE180 9 oy. (> t ^ f. «fc^y-/7 LETTER OF TRANSMITTAL. TJ. S. Department of Agriculture, Division of Biological Survey, Washiuf/ton, I>. (7., May 19, : I have the honor to trausniit herewith for publication,as JforthAmerican Fauna No. 10, a report on the results of a Biological Survey-or Mount Shasta, California, made during the summer of , C. Hart Merriam,Chiefy Biological James Wilson, Secretary of Agriculture. CONTENTS. Page. Introduction 9 Itinerary 10 Persoiiuel 15 Provious publications 15 New .species 16 General features 17 Effects of scanty nu)isture 19 Glacial basins 20 Cauyons Ll Streams 23 Rock slopes 25 Avalanches 26 Timberline 27 Forests of Shasta 30 The yellow pine belt 30 The Shasta fir belt 36 The white-bark pine belt 39 Forest lires 16 Efiects of burns in changing zone positions .. 17 Slope exi)osure 47 Effects of steep slopes 51 Basin slopes 52 Life zones of Shasta 52 Upper Sonoran zone 53
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Keywords: ., bookcentury1800, bookdecade1890, bookp, booksubjectnaturalhistory
