CONTENTS 



Page 



Introduction 1 



The Forest Survey 2 



Coastal Alaska 2 



Interior Alaska A 



Plans for 1958 6 



Forest Insects 7 



Barkbeetle Losses Decline 7 



Defoliator Activity Declines in Southeast-- 



Increases in the Interior 8 



Cooperative Forest Insect Survey 9 



Insect Collecting Expands 10 



Large Hemlock Volume Loss Caused by Insect Defoliators. 11 



Forest Management Research 13 



Regeneration Studies 13 



Small mammals 17 



Direct seeding 17 



1956 and 1957 cone crops in Region 10 18 



Seed production in semi-scrub stands 19 



The prescribed burn at Kina Cove 19 



Cull Factors for Southeast Alaska 20 



Tree Decomposition Rates 22 



Fluting of Western Hemlock 24 



Silvical Leaflets for Alaska Trees 25 



Silvical Characteristics of Alaska-cedar 26 



Silvical Characteristics of Western Redcedar in Alaska. 27 

 Leader Growth of Conifers in Alaska and 



Vancouver Island Compared 28 



The Great Soil Groups of Southeast Alaska 28 



A New Quick Cruise Method 30 



Site Index Determination in Even-aged Sapling 



and Pole Stands 31 



Further Tests of Yield Tables 32 



Primary Stands of Coastal Alaska 33 



Forest Management Research in Interior Alaska 35 



Watershed Management Studies 35 



Publications 37 



