ENVIRONMENTAL CONSEQUENCES in rocky mountain coniferous ...

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agencies, from the company staff, or from outside consul tants when additional exper- tise concerning some aspect of the proposed activity is needed. As part of this process, State fish and game departments are contacted for comments and recommendations. Fol 1 owing compl etion of the on-the-ground activities, reviews are conducted to compare actual results with those anticipated in the EAR. We believe that this is not only a useful performance measurement, but also an essential feedback mechanism which a1 lows us to continually re-eval uate pol icies and requirements. Although serious environmental impacts are normally prevented by such a check system, some environmental impacts do invariably occur as a result of resource management activities. This is a significant issue which is inherent to the land management field. The important fact is that an evaluation process is in operation to address the costs and benefits of all project proposals. The nature of our intermingled landowners hip pattern (checkerboard) with other State, Federal, and private owners provides an additional challenge to how we approach timber harvesting. Such factors as land access, the not-so-complementary relationship of property lines vs. natural physical features and stand components, and external influences of adjacent landowner objectives, all have an influence on how we plan and conduct timber management operations. Being a corporate 1 andowner a1 so has imp1 ications in how the public resources such as fish, wildlife, air, and water are managed. We have determined that it is necessary to assume responsibility to help sustain these public values as an obligation of landownership. The company feels strongly that if private owners do not take public values into account when managing lands, then regulatory legislation will be enacted that will then limit the landowner's options and management fl exi bil i ty. A continuing responsibility of all department employees is to monitor and evaluate research and technological developments for adaptability to company programs. In addition to the monitoring, we sometimes participate directly in research efforts. Some examples of direct participation are elk-logging studies in western Montana and soils and water research in other areas. Whether our participation is direct or indirect, we be1 ieve that resource managers and researchers need to be constantly exchanging ideas to insure the quality of the job getting done on the ground as well as the research being performed. What, then, are the " Impl ications For Resource Fianagement" of the environmental consequences of timber harvesting? To answer this, private land managers will most likely have to ask themselves, "What are the consequences of not hapvesting?" These two questions set base parameters by which we begin our cost/benefit analyses. We be1 ieve the "Impl ications For Resource Management" question can be summed up in two parts. First, evaluation of the environmental consequences of our activities makes us all much more knowledgeable of the interrelationships of the resources we are managing. We will make better decisions. Secondly, we can make resource decisions with more justification and convictions, although we simultaneously realize that these decisions become more complex every day. For every new parameter or concern that enters the land manager's consciousness, a new series of mental evaluations are performed to weigh advantages and disadvantages of a technique. Such a situation immediately connotes increased costs in performing such analyses. However, we have been and will continue to be, beneficiaries of much more valuable information that will aid us in maintaining our productive land base. In listening to the presentations, one senses some significant challenges before us in completing the many research hypotheses and verifying their results in the field for use by management. A particular frustration one perceives in 1 istening to the presentations is the apparent conflict that can arise between the resources
themselves, the traditional industry practices, the compl iance with State and Federal laws, and with public opinion. It is here that the communication channels among researchers, the disseminating agencies, and the land managing agencies are most important, as land managers must thoroughly understand these confl icts and manage them accordingly. As a private forest land manager in most of the major forest types in the northern Rockies, we place significant importance to research efforts that attempt to characterize these types. It is refreshing to see a comprehensive approach to the research presented here. The environmental consequence questions will continue to be put before us and it is the qua1 ity, appl icabil ity, comprehensiveness, understandabil ity, and cost effec- tiveness of the alternative approaches which will be most useful to us in the forest management profession. Chuck Seeley Champion Timberlands-Champion International Biological and environmental constraints greatly affect resource management practices used on Champion Timberlands fee ownership lands. The constraints have a positive influence. They serve as guide1 ines within which I can make management decisions that help to produce timber with a minimum of damage to the environment. To demonstrate the constraints in action, consider our procedures for laying out a typical logging block: I. Planning the Timber Harvest First, the land manager selects a harvesting method or methods that will accom- plish the goals he has in mind. He devises a plan that will produce the most efficient and profi tab1 e timber harvest, while ensuring that biological and environmental needs of the area are considered and protected. In determining the proper harvest plan for an area, the land manager would consider the following: Is the objective of this sale a thinning for release, a regeneration cut to establish new growth, or a salvage cut to remove dead and dying timber? Is the sale visible from a major highway and if so, can the visual impact of the logging be minimized? Have we minimized the disruption of streams by skid trails or logging debris? W i l l we create a frost pocket or compact the soil? If so, what are our a1 ternatives? Does the terrain preclude use of certain types of equipment, and which type of logging will cause the least soil erosion?
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ENVIRONMENTAL CONSEQUENCES OF TIMBE
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USDA Forest Service General Technic
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REW 'ORD One of the pressing proble
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BIOLOGICAL IMPLICATIONS Biological
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By the mid-1 960's the apparently u
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Scientist, audience: "The Three-Mil
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I believe that the future of forest
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enewable resource that can be proce
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productive capacity. Recent legisla
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Much of the research investigating
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Six sale area blocks were logged (f
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Understory Removal Figure 4.--Eccpe
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Gentle slopes and easy access to cu
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Each of the four cutting units was
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A concerted effort was made to coor
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oriented toward the basic response
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WOODY MATERIAL IN NORTHERN ROCKY MO
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STANDING, 3 " 1 DIA. ? (GREEN & DEA
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I 11 Table 1,--Volume of wood by co
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Small material under 3 inch (7.6 cm
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Depending on the cutting and treatm
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MICROENVIRONMENTAL RESPONSE TO HARV
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I Where: Cs is the concentration at
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Figure I.-- Residue treatments used
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HARVESTING AND RESIDUE INFLUENCES R
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I 1 1 1 1 1 1 1 1 1 1 1 JAN. FEB. M
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Sensible heat flux, evaporative flu
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SOLO, 1977- 78 UNCUT CUT Mean max.
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It is logical that if surface tempe
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0 - 5 - 10 - 15 20 - Chips - Clrare
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Brown, crumbly, decayed material (B
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At Coram, steep harvested slopes ha
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surface of unburned and hard-burned
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canopy. Light then indirectly cause
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Moisture Moisture is frequently ide
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Net radiation--the measure of the a
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Table 5.--Possible solutions for po
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Cochran, P. H. 1969. Thermal proper
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Lommen, P. W., Cr, R. Schwintzer, C
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Stark, Nel 1 ie. 1980. The impacts
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and water use during the growing se
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The main study site (fig. 1) occupi
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The four residues util i zation tre
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RAIN The major precipitation instru
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Figure 5.--SG,L. wuwr zc)as measure
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S treamf 1 ow A &foot H-flume was i
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Figure 7.--Snow water equivalent on
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Soi 1 Water Water present in the so
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SILVICULTURE TREATMENTS Si 1 vicul
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As indicated in figure 11 and appen
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The most consistent difference in w
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MEAN CONSUMPTIVE USE -ALL YEARS (19
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Lowest daily water use occurred at
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6. Water use began in Apri 1 , acce
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Klages, M. G., R. C. McConnell , an
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APPENDICES Appendix A.--Hydrograph
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Appendix C.--Rainfall reaching the
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Appendix E.--Water use during the g
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One of the most efficient methods o
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Control Chipped Picked up Broadcast
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Control Chapped Picked up Broadcast
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Control Chipped Picked up Broadcast
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' Control Chipped and Picked up and
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One of the least detrimental residu
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INTRODUCTION In the early days, the
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%pire 1.--Measured concentrations (
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The silvicul tural treatments appli
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I 2 Table 2. --Percent of total qua
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Unmerchantable TOP Shrubs Lower Cro
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create a nitrogen deficiency during
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Steele, R. W. 1975. Understory burn
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National Forest. This paper summari
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UNIT 2 CONVENT IONALLY Du Bois, Wyo
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Trees Figures 3 and 4 show the oven
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Weights of typical trees on these t
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pi1 ed-burned treatments were lowes
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MINERAL SOIL Total nutrient content
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Tab1 e 5. --Concentrations of avai
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Table 6. --Average concentrations o
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sites. Burning then transformed the
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RESIDUE DECAY PROCESSES AND ASSOCIA
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The hardwood or angiospermous timbe
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Woody Substrates Gyrnnospermsr (Int
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Natural inoculation of residues may
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On the Coram site, brown-rot fungi
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Table 2.--Probability (P) of encoun
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Recognizable brown-cubical decayed
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I Newly formed, small-dimension res
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Highley, T. L. 1976. Hemicellulases
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MICROBIAL PROCESSES ASSOCIATED WITH
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Nonsymbiotic N Fixation Free-1 ivin
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In a previous paper (Jurgensen and
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Symbiotic N Fixation The establishm
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carbon and NHq (Ahlgren, 1974). Mic
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Prescribed f~re CLEARCUT - BURN CLE
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Hungerford, R.9. 1980. Microenvi ro
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ECOLOGY OF ECTOMYCORRHIZAE IN NORTH
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Coram - Subalpine fir Site (ABLAICL
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Figure 2.-- ReZative yield capabiZi
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Figure 5. -- Percentage of soCZ-woo
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Figure 9,-- Percentage of toid ectm
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Effect of Soil Components on Ectomy
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Effect of Organic Matter Quantity o
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PARTIAL CUT Effect of Harvesting on
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Figure 20. -- Average nwnbers of ac
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Gijbl , F. 1967. Mykorrhizauntersuc
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BIOLOGICAL IMPLICATIONS Initial cha
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FOREST SOIL BIOLOGY The act of incr
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the soil will retain its ability to
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Since the best quantity of organic
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We can also visualize situations on
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Harvey, A. E., M. F. Jurgensen, and
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INTRODUCTION Vegetation integrates
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Because of cool, wet weather in 197
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We determined volume and cover usin
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The stems were divided at 4 mm (0.1
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RESIDUES TREATMENT EFFECTS As descr
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Overall shrub recovery rates do not
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Rose behaved similar to ninebark (f
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Meanwhile, small shrub cover change
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Biomass Regression analyses relatin
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SILVICULTURE TREATMENT EFFECTS Harv
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RESIDUES TREATMENT EFFECTS Major sh
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Lesser vegetation--herbs and small
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Leaf and stem components of the shr
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APPENDIX I Trees and shrubs found o
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INTRODUCTION Many western larch (La
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Figure 2. --Lower cutting blocks on
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each permanent point) of the clearc
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Figure 3.--Marking gemination and c
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were not significant. These treatme
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Tab1 e 2. --Fi 11 ed conifer seed (
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Dispersal of sound seed on the uppe
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Table $.--Number of 3- and 5-year-o
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Table 6. --Germination of conifers
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Survival, growth and form will be m
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Es tab1 ishment and Initial Develop
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to the amount of residue originally
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As the following tabulation shows,
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Soot-Seeded Broadcast burning, and
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Natural Regeneration Natural regene
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.4s shown in fig. 5, vegetation was
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Interestingly, the high phenol leve
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DeByle, Norbert V. 1980. Harvesting
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EFFECT OF SILVICULTURAL PRACTICES,
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mountain pine beetle. These two for
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GROUP SELECTION 22 CONTROL SHELTERW
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FIELD AND LABORATORY PROCEDURES To
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I Many of the groups were trapped v
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shelterwood with residues, were sig
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HARVESTING AND RESIDUE MANAGEMENT T
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indicate a treatment effect of burn
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Undisturbed Forest .". . . . Clearc
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1 equally abundant in all treatment
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I not seem to be directly caused by
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the undisturbed forests. Some resea
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Huhta, V., E. Karppinen, M. Nurmine
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POPULATIONS OF SOME FOREST LITTER,
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STUDY DESIGN The study area is loca
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GROUP SELECTION 22 CONTROL '... . .
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Sampling in 1977 was restricted to
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Table 1 .--Mean total mesofauna pop
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0 - (JUNE) from S helterwood (AUGUS
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SHELTERWOOD--RESIDUE BURNED The eff
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In the first season or two followin
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LITERATURE CITED Ahlgren, I. F. 197
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A REVIEW OF SOME INTERACTIONS BETWE
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and Keen 1960; Felix and others 197
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Pissodes strobi Peck, In a thinned
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foresters feel as though "It's 1 i
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The large aerial spray programs aga
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Weakened living trees, or trees kil
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Most western pine beetle attacks in
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The galleries, or mines, of wood bo
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Other wood borers. --Several specie
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Deterioration of spruce (Picea a. )
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The eruption of Mount Saint Helens
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Bark and engraver beetles infesting
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In the northern Rockies, one conife
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management, and not the beetle." If
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investigation regardin controlled b
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WOOD BORERS Mitchell and Martin (In
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Still, by 1938, there was a feeling
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I Different i nvesti gators have us
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if the forest floor is completely c
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Carabids as biological control agen
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een placed for protection from rode
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with every tree in the stand contin
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Spiders as predators.--Studies have
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At least two studies have been made
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In the long-leaf pine forests in th
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RESIDUES, FIRES, INSECTS, AND FORES
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In the spruce-fir stands infested w
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Recently, Senator John Me1 cher (Mo
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plans. Since fire, too, is a decomp
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CHANGING FOREST INSECT PROBLEMS Ins
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Basham, J. T. 1957. The deteriorati
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Cole, D. M. 1978. Feasibility of si
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Fellin, D. G. and P. C. Johnson. 19
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Graham, S. A. 1922. Some entomoloqi
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Huhta, V., M. Nurminen and A. Valpa
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Lawrence, W. H. and 3. H. Rediske.
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Miller, J. M. and J. E. Patterson.
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Rice, L * A. 1932. The effect of fi
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Stoddard, H. L. Sr. 1963. Bird habi
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Weaver, Harol d. 1951. Fire as an e
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RESOURCE MANAGEMENT IMPLICATIONS Th
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INFLUENCE OF HARVESTING AND RESIDUE
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F
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NEAR COMPLETE Figure 2.--Byrmnts f
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Figure 3.-- Bymrmrs fireZine intens
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F5qure 4. --Byramrs fireZ-Cne inten
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1. Nomographs of Rate of Spread, Fi
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3. Consider other fire-related fact
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Puckett, John V., Cameron M. Johnst
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Important and rapid progress has be
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tlarvested Areas What happened when
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UNCUT SHELTERWOOD Protect understor
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Initially the areas are rated low.
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The primary reason for this discrep
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f n contrast to displaced bears, so
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Quantitative data on grizzly behavi
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Asherin, Duane A. 1976. Changes in
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Leege, Thomas A. 1969. Burning sera
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Reynolds, Hudson G. 1969. Aspen gro
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INFLUENCES OF HARVESTING AND RESIDU
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CLEARCUT LOGGING & COMPLETE BURN DE
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C LEARCUT LOGGING & BROADCAST BURN
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EFFECTS OF SMALL MAMMALS ON FOREST
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I I Habitat Manipulation Small mamm
Page 465 and 466: Fala, Robert A. 1975. Effects of pr
Page 467 and 468: Tevis, Lloyd Jr. l956b. Pocket goph
Page 469 and 470: forests are cavity nesters. They ar
Page 471 and 472: GROUP SELECTION: A1 1 merchantab le
Page 473 and 474: TABLE 3. Pre- and post-logging volu
Page 475 and 476: Censuses Censuses for all species (
Page 477 and 478: Fbgure 6.-- Lightn
Page 479 and 480: Pileated Woodpeckers on the CEF nes
Page 481 and 482: TABLE 7. Percent of sampling time t
Page 483 and 484: I Observed woodpecker feeding Down,
Page 485 and 486: Table 9 shows feeding time in the l
Page 487 and 488: L c - 10- ul 2 0 8- 6 - 4 2 - - 0 .
Page 489 and 490: Figure 15. -- A Hairy Woodpecker ne
Page 491 and 492: ~
Page 493 and 494: oth offered advice on study site se
Page 495 and 496: Hairy Woodpecker Downy Woodpecker B
Page 497 and 498: THE SITUATION Forest land managers
Page 499 and 500: In the descriptive approach, howeve
Page 501 and 502: ORGANIZING INFORMATION One differen
Page 503 and 504: As has already been stated, the for
Page 505 and 506: Figure 7.--Matrix of interactions b
Page 507 and 508: understory biomass density, X2 repr
Page 509 and 510: or, by rearrangement, AX. I afi Ax,
Page 511 and 512: DISCUSSION It is important to note
Page 513 and 514: LITERATURE CITED Billings, W. D. 19
Page 515: Richard T. Wick Burlington Northern
Page 519 and 520: highways. Of course, all roads are
Page 521 and 522: Darrel L. Kenops District Ranger US
Page 523 and 524: In the future we will see our const
Page 525 and 526: Lyon, L. Jack, Project Leader, Ecol
Page 527: The Intermountain Station, headquar
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