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Forest Health Conditions in Alaska. 2016

Editat de Forest Service (U.S.)
en Limba Engleză Spirală – 20 apr 2017 – vârsta de la 18 ani
This report summarizes monitoring data collected annually by our Forest Health Protection team and some of our key partners. It is intended to provide technical assistance and information to stakeholders on the forest conditions of Alaska. The report also helps to fulfill a congressional mandate (The Cooperative Forestry Assistance Act of 1978, as amended) that requires survey, monitoring, and annual reporting of the health of the forests. This report also provides information used in the annual Forest Insect and Disease Conditions in the United States report.

Forestry technicians, conservation specialists, scientists, arborists, tree wardens, natural resource planners, and others involved in forest and wildlife protection would be interested in this report.  Students pursuing coursework in natural resources management and forestry may also be interested in this primary source document. 
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Specificații

ISBN-13: 9780160937514
ISBN-10: 0160937515
Pagini: 74
Ilustrații: Illustrated, some color
Dimensiuni: 216 x 279 x 13 mm
Editura: United States Dept. of Agriculture
Colecția Forest Service

Cuprins

CONTENTS
Introduction
Highlights
     Collaborative Partnerships Reveal Widespread Canker of Aspen in Alaska’s Boreal Forest
      An Integrated Strategy for the Management of Creeping Thistle (Cirsium arvense)
      A New Twist on Aerial Survey Design
STATUS OF DISEASES
     2016 Pathology Species Updates
      Foliar Diseases
      Dothistroma Needle Blight
      Spruce Needle Casts/Blights
      Spruce Needle Rust
      Shoot and Bud Blights
      Gemmamyces Bud Blight
      Sirococcus Shoot Blight
      Yellow-cedar Shoot Blight
      Stem Diseases
      Alder Canker
      Aspen Cankers
      Diplodia Gall
      Hemlock Canker
      Hemlock Dwarf Mistletoe
      Huckleberry Broom Rust
      Spruce Broom Rust
      Stem Decays of Conifers
      Stem Decays of Hardwoods
      Western Gall Rust
      Root and Butt Diseases
      Armillaria Root Disease
      Pholiota Butt Rot
      Tomentosus Root Disease
      Invasive Pathogens

STATUS OF NONINFECTIOUS DISEASES AND DISORDERS
2016 Noninfectious Diseases & Disorders Updates

     Abiotic Damage    
     Windthrow
      Flooding
      Animal Damage
      Porcupine Feeding
     Forest Declines
     Yellow-cedar Decline

STATUS OF INVASIVE PLANTS
2016 Invasive Plant Program Updates
     Elodea update

    Treatments on the Kenai and in Anchorage appear to have been successful
    Rapid spread in Alexander Lake
    Copper River Delta research and treatment trials
    Permit approved to treat Fairbanks-area infestations
    Survey and analysis of floatplane traffic patterns
   Alaska Exotic Plant Information Clearinghouse (AKEPIC) now displays both presence and known-absence data for elodea      New elodea infestation found
   Orange hawkweed publication
   Hope for eradication efforts
   Contaminated potting soil
   CNIPM enlarges its mission; successful workshop in Fairbanks

STATUS OF INSECTS
2016 Entomology Species Update
    Hardwood Defoliators- External Leaf Feeding

     Alder Defoliation
     Aspen Defoliation
    Birch Leaf Roller
    Large Aspen Tortrix
    Speckled Green Fruitworm
    Miscellaneous Hardwood Defoliation
   Hardwood Defoliators- Internal Leaf Feeding
     Aspen Leaf Miner
     Birch Leaf Miners
    Willow Leafblotch Miner
Softwood Defoliators
     Hemlock Defoliation
     Spruce Aphid
     Spruce Budworm
Bark Beetles
     Spruce Beetle
     Northern Spruce Engraver
     Western Balsam Bark Beetle
Other Pest Activity
Urban Tree Pests

APPENDICES
 Appendix I: Aerial Detection Survey
   Aerial Detection Survery
 Appendix II:
   Damage Type by Host Species
 Appendix III:
   Information Delivery