Acknowledgments This study is a product of the Sustainable Forestry Component of Agenda 2020, a joint effort of the USDA Forest Service Research and Development.

Slides:



Advertisements
Similar presentations
Do In and Post-Season Plant-Based Measurements Predict Corn Performance and/ or Residual Soil Nitrate? Patrick J. Forrestal, R. Kratochvil, J.J Meisinger.
Advertisements

Getting ahead of the front Evaluating impacts of emerald ash borer (Agrilus planipennis) on forest vegetation in eastern North America Jason S. Kilgore,
The Effects of Site and Soil on Fertilizer Response of Coastal Douglas-fir K.M. Littke, R.B. Harrison, and D.G. Briggs University of Washington Coast Fertilization.
Nitrogen and Biomass Content, and Nitrogen and Water Uptake Parameters of Citrus Grown on Sandy Soils in Central Florida Ph.D. Exit Seminar Soil and Water.
TECHNICAL ASPECTS OF THE FOREST CARBON INVENTORY OF THE UNITED STATES: RECENT PAST AND NEAR FUTURE Christopher W. Woodall, Research Forester, U.S. Forest.
Improving soils data for better vegetation modeling Wendy Peterman, Dominique Bachelet Conservation Biology Institute  Abstract Over.
Greg Reams National Program Leader, FIA USDA Forest Service 2012 FIA National Users’ Group Meeting Baltimore, MD Greg Reams National Program Leader, FIA.
Northwest Advanced Renewables Alliance Douglas-fir biomass and nutrient removal under varying harvest intensities designed for co-production of timber.
Nutrition Project Resources 1)Christopher Licata graduated (almost) 2)Brian Strahm added Fall, )3 new students Fall,
Examining Clumpiness in FPS David K. Walters Roseburg Forest Products.
ESRM 410 Forest Soils and Site Productivity 2011 Nutrient Limitation ‘What if Scenario’
Forest Fertilization: Two Topics Roderick Negrave PhD, RPF, PAg Research Section Head, Coast Area MNRO, Nanaimo.
Predicting Nitrogen Fertilizer Response in Douglas-fir Plantations Kim Littke Rob Harrison.
1 Effect of Site, Age, and Treatments of Type II Installations on Standing Tree Acoustic Velocity David Briggs, Eric Turnblom, Gonzalo Thienel File: Agenda_2020_TreeLogMill_Study.
Climatic and biophysical controls on conifer species distributions in mountains of Washington State, USA D. McKenzie, D. W. Peterson, D.L. Peterson USDA.
How Can I Improve My Soils? Nutrient Deficiencies and Fertilization Rob Harrison, PNW Stand Management Cooperative
Effects of Organic Retention and Management on Nitrogen Flux in a Coarse, Glacial Outwash Soil at Matlock, WA. A.B. Adams, Rob Harrison, Cindy Flint (Uni.
A Young Douglas-fir Plantation Growth Model for the Pacific Northwest Nick Vaughn University of Washington College of Forest Resources.
Thesis  Erin Harrington  Advisors  Bobbi Low  Phil Myers.
Fall River Long-term Productivity Study : Predictions of Pre-harvest Biomass and Nutrient Pools K. Petersen, B. Strahm, C. Licata, B. Flaming, E. Sucre,
Estimating Response of Douglas-fir to Urea in Western Oregon & Washington By: Eric Sucre M.S. Thesis Defense.
EFFECT OF HARVEST REMOVAL ON PRODUCTIVITY OF A 15-YEAR-OLD DOUGLAS-FIR PLANTATION. by Dale W. Cole and Jana E. Compton University of Washington and Harvard.
9/17/071 Community Properties Reading assignment: Chapter 9 in GSF.
Materials and Methods Stand Management Cooperative (SMC) Type 1 Installations Research Plots Six 1 acre Douglas-fir plots per installation were examined.
Effects of Organic Retention and Management on Nitrogen Flux in a Coarse Outwash Soil at Matlock, WA. A.B. Adams and Rob Harrison University of Washington.
SMC Nutrition Report, Fall 09 Rob Harrison, nutrition head 1) General Progress 2) Carryover Study (Paul) 3) Paired-Tree (Kim) 4) N Fertilization/C Sequestration.
Projected Deliverables: Estimates of N losses due to leaching, volatilization, and uptake by competing understory vegetation Determine the relative efficiency.
U.S. Department of the Interior U.S. Geological Survey December 2007 Fort Benning Forest Status and Trends Shuqing Zhao 1, Shuguang Liu 2, Larry Tieszen.
Precipitation Effects on Tree Ring Width for Ulmus americana L
Soil Nutrient Availability Following Application of Biosolids to Forests in Virginia. Eduardo C. Arellano and Thomas R. Fox Department of Forestry, Blacksburg,
A Tool for Estimating Nutrient Fluxes in Harvest Biomass Products for 30 Canadian Tree Species CONTEXT: With a growing interest in using forest biomass.
Foliage and Branch Biomass Prediction an allometric approach.
Stem form responses to differing areas of weed control around planted Douglas-fir trees Robin Rose, Douglas A. Maguire, and Scott Ketchum Department of.
The Potential of the Alder Resource: Challenges and Opportunities David Hibbs and Andrew Bluhm Hardwood Silviculture Cooperative Department of Forest Science.
F I A Forest Inventory and Analysis Program The Nation’s Forest Census 2010 FIA Biomass Update W. Brad Smith.
Modeling Crown Biomass for Three North Idaho Conifers Ann Abbott Rocky Mountain Research Station, Moscow Forestry Sciences Laboratory and University of.
CARBON SEQUESTRATION BY HYBRID POPLARS IN THE PACIFIC NORTHWEST Dr. Jon D. Johnson Hybrid Poplar Research Program Washington State University - Puyallup.
Effects of Forest Management Practices on Carbon Storage Coeli M. Hoover USDA Forest Service, Northern Research Station Forest PLUS, Washington DC December.
Deep Soil: Modeling and Significance of Subsurface Carbon & Nitrogen Jason James 1, Robert Harrison 1, Warren Devine 2, & Tom Terry 3 (1) University of.
Field Measurements of Leaf Mass Area (LMA) in Support of Remote Sensing Studies of a Pacific Northwest Old Growth Forest Canopy Katie Berger (UMASS-Amherst)
Regeneration of Natural Pasture in Enclosures for Parthenium Weed Management in the Rangeland of Jigjiga, Somali Regional State, Ethiopia B Y Lisanework.
Introduction: Globally, atmospheric concentrations of CO 2 are rising, and are expected to increase forest productivity and carbon storage. However, forest.
Coarse Woody Debris Missouri Ozark Forest Ecosystem Project Missouri Ozark Forest Ecosystem Project Randy G. Jensen Stephen R. Shifley Brian L. Brookshire.
Do stem form differences mask responses to silvicultural treatment? Doug Maguire Department of Forest Science Oregon State University.
Projected Deliverables: Estimates of N losses due to leaching, volatilization, and uptake by competing understory vegetation Determine the relative efficiency.
Site Description This research is being conducted as a part of the Detritus Input and Removal Treatments Project (DIRT), a cross-continental experiment.
Critical Period Threshold Study Effects of up to Five Years of Consecutive Weed Control Relative to Growth Losses from Delaying Weed Control for Douglas-
Thinning mixed-species stands of Douglas-fir and western hemlock in the presence of Swiss needle cast Junhui Zhao, Douglas A. Maguire, Douglas B. Mainwaring,
Northwest Advanced Renewables Alliance How do residual biomass removals affect long- term forest productivity?: Long-term Soil Productivity (LTSP) studies.
Predicting Current and Future Tree Diversity in the Pacific Northwest I R S S Richard Waring 1 Nicholas Coops 2 1 Oregon State University 2 University.
THE INFLUENCE OF STAND CONDITIONS ON TREE FORM Sean M. Garber and Aaron R. Weiskittel Oregon State University June 21, 2004.
RAP-ORGANON A Red Alder Plantation Growth Model David Hibbs, David Hann, Andrew Bluhm, Oregon State University.
ESRM 410 Forest Soils and Site Productivity 2013 Nutrient Limitation ‘What if Scenario’
Treatment Plots Plot conditions for treatments studied at time of sampling. Bole-only without vegetation control BO-VC Total Tree Plus with vegetation.
Understanding Site-Specific Factors Affecting the Nutrient Demands and Response to Fertilizer by Douglas-fir Center for Advanced Forestry Systems 2010.
Risk to Long-term Site Productivity Due to Whole-tree Harvesting in the Coastal Pacific Northwest Austin Himes 1,2, Rob Harrison 1, Darlene Zabowski 1,
Annualized diameter and height growth equations for plantation grown Douglas- fir, western hemlock, and red alder Aaron Weiskittel 1, Sean Garber 1, Greg.
Feedstock and Soil Sustainability 2013 meeting, Corvallis, OR Rob Harrison Stephani Michelsen-Correa (PhD) Marcella Menegale (PhD) Jason James (MS) Erika.
Above and Below ground decomposition of leaf litter Sukhpreet Sandhu.
Citation: Kato, A.., L. M. Moskal., P. Schiess, M. Swanson, D. Calhoun and W. Stuetzel, LiDAR based tree crown surface reconstruction. Factsheet.
Gary W. Miller USDA Forest Service Northern Research Station Morgantown, West Virginia Intermediate Stand Management – The Crop Tree Approach.
Forest Management Service Center Providing Biometric Services to the National Forest System Program Emphasis: We provide products and technical support.
Soil C Cycling Following Timber Harvest in Response to Logging Debris Retention and Herbicide Application Robert Slesak – Oregon State University Stephen.
Wood ash, the residue remaining from the combustion of bark, sawdust and yard waste for energy generation for forestry product operations, is an effective.
Factsheet # 17 Understanding multiscale dynamics of landscape change through the application of remote sensing & GIS Estimating Tree Species Diversity.
Douglas-fir Seedlings in the Pacific Northwest:
Carbon Cycling in Perennial Biofuel Management Systems
Species Diversity Comparison North and South Slopes
Additional Data Collection in 2017
The effects of Canopy Cover on Herbaceous Vegetation
Presentation transcript:

Acknowledgments This study is a product of the Sustainable Forestry Component of Agenda 2020, a joint effort of the USDA Forest Service Research and Development Program and the American Forest and Paper Association. Financial support provided by National Council for Air and Stream Improvement, Inc. and Pacific Northwest Stand Management Cooperative. Study sites and field support were provided by Weyerhaeuser Company, Green Diamond Resource Company, and Port Blakely Tree Farms LLC. We are grateful for support from the Oregon State University College of Forestry and the University of Washington School of Forest Resources. Abstract On three Pacific Northwest sites affiliated with the North American Long-Term Soil Productivity Study, we evaluated effects of presence/absence of five years of annual vegetation control (VC) treatments on allocation of aboveground biomass and N between planted coast Douglas-fir (Pseudotsuga menziesii var. menziesii) and competing vegetation. Sites differed in soil texture, soil N content, and soil water-holding capacity, as well as understory species composition; however, equations for predicting tree stem, branch, foliar, and total aboveground dry weights based on stem diameter at a 15-cm height and total tree height did not differ significantly among sites or between VC treatments. Estimated whole-tree biomass among the six site/VC combinations at plantation-year 5 ranged from 0.8 to 7.5 Mg ha -1. Increases in tree biomass associated with VC ranged from 62 to 173 percent among the three sites. Across sites, there were positive, linear relationships between soil total N content to a depth of 60 cm and both N content of aboveground vegetation (trees plus competing vegetation) and Douglas-fir foliar N concentration; this supports the premise that soil N content is strongly linked to N uptake and plant growth at the study sites. Tree N content increased by 8.4, 8.2, and 40.0 kg ha -1 with VC at the three sites, whereas competing vegetation N content decreased with VC by 0.9, 18.8, and 32.0 kg ha -1, respectively, at the same sites. In addition to the differences in N availability among sites, trends in biomass and N allocation were clearly influenced by species composition of the understory vegetation community and efficacy of the VC treatments. Effects of Five-Year Vegetation Control on Aboveground Biomass and Nitrogen Allocation in Douglas-Fir Plantations on Three Contrasting Sites Warren D. Devine 1, Timothy B. Harrington 2, Thomas A. Terry 3, Robert B. Harrison 1, Robert A. Slesak 4, David H. Peter 2, Constance A. Harrington 2, Carol J. Shilling 5 and Stephen H. Schoenholtz 6 (1) University of Washington, Seattle, WA; (2) USDA Forest Service Pacific Northwest Research Station, Olympia, WA; (3) Weyerhaeuser Corporation (retired); (4) MN Forest Resources Council, St. Paul, MN; (5) Glen Burnie High School, Glen Burnie, MD; (6) Virginia Tech, Blacksburg, VA Table 1. Select physiographic, climate, and soil characteristics of the three study sites. Site ParameterMatlockMolallaFall River LocationOlympic Peninsula, WA Cascade foothills, Northwest OR Coast Range, WA Elevation (m) Annual precip. (cm) May-Sep. total precip. (cm) SoilGlacial outwash; very gravelly loamy sand Colluvium & residuum (igneous); cobbly loam Residuum (igneous) & volcanic ash; silt loam Site index, 50-yr Douglas-fir (m) Water-holding capacity (0-60 cm; mm) Total soil N (0-60 cm; Mg ha -1 ) Total soil C (0-60 cm; Mg ha -1 ) Soil C: N (0 to 60 cm) Figure 1. Locations of three study sites in western WA and OR. Background We are aware of only one published set of biomass equations for young Douglas- fir grown with and without competing vegetation control (Petersen et al. 2008) Objective To develop individual-tree biomass equations for planted Douglas-fir, with and without control of competing vegetation, on three contrasting sites Approach We destructively sampled 119 trees to develop biomass equations; we used D 15 (diameter at a 15-cm height) rather than DBH as a predictor of biomass because some trees had not reached breast height Background Accumulation and distribution of biomass and nutrients are of key importance in forest plantations during the years between planting and canopy closure, when trees are capable of achieving exponential growth Objective Determine how vegetation control (VC) affects allocation of aboveground biomass and N between young trees and competing vegetation on three contrasting Douglas-fir sites in the Pacific Northwest Approach We estimated biomass of trees and competing vegetation using the equations from Phase 1, measurements of all study trees, and sampling of competing vegetation on “clip plots” Findings Estimated whole-tree dry biomass among the six site/VC combinations at year 5 ranged from 0.8 to 7.5 Mg ha -1 (Fig. 4). Increases in tree biomass associated with VC ranged from 62% to 173% among the sites (Fig. 4). There was a positive, linear relationship across sites between soil total N content and aboveground vegetation N (trees + other veg.) (Fig. 5A). Aboveground vegetation N allocated to trees was <50% except in the +VC treatment at Fall River (Fig. 5B), where VC efficacy was very high (Fig. 2). Douglas-fir foliar N concentration was positively related to soil N content across sites in both VC treatments (Fig. 5C). Phase 2: Assess aboveground biomass and nitrogen allocation Table 2. Equations developed to predict dry weights of individual Douglas-fir trees (plantation age 5) on three sites ComponentEquation Adj. R 2 n Bole with barkln Y = ln (D 15 2 H) Branchesln Y = D D D Foliageln Y = D D D Total treeln Y = D D D Diameters at 15 cm above ground (D 15 ) and heights (H) were measured in centimeters. Predicted dry weights are in grams. Tree heights ranged from 33 to 531 cm; D 15 ranged from 0.4 to 11.3 cm. Reference Petersen, K.S., Ares, A., Terry, T.A., Harrison, R.B., Vegetation competition effects on aboveground biomass and macronutrients, leaf area, and crown structure in 5-year old Douglas-fir. New Forests. 35, This poster is based on a paper in an upcoming issue of Forest Ecology and Management (in press): Study Sites This study incorporates 3 randomized, block- design experiments that are ancillary sites in the Long-Term Soil Productivity Study Network (Table 1; Fig. 1); locations were selected to represent diverse Douglas-fir plantation sites in the Pacific Northwest. Douglas-fir seedlings were planted on a 2.5- x 2.5-m grid in spring 2000 (Fall River) and a 3- x 3-m grid (Matlock & Molalla) in spring 2004 Treatments +VC 5 years of annual vegetation control using herbicides (Fig. 2) -VC No annual vegetation control (pre- planting control was necessary at Matlock and Molalla) Phase 1: Develop equations to predict tree biomass Figure 3. Relationships between diameter at 15 cm (D 15 ) and total aboveground dry weight for trees from 5-year-old Douglas-fir plantations on three sites. Equation for line is shown in Table 2. Findings Individual-tree biomass equations based on D 15 (predicting bole, branch, foliar, and total aboveground dry weight) did not differ by site or vegetation control treatment. Equations in Table 2 are for pooled data from all sites and treatments (also see Fig. 3). For Douglas-fir at plantation age 5, D 15 was a more robust predictor of tree biomass than DBH would have been because it captured variation in stem basal taper (here associated with vegetation control) that was not captured by DBH. Figure 4. Total year-5 dry weight of Douglas-fir trees and competing vegetation on 3 sites with (+VC) and without (-VC) annual vegetation control. Mean comparisons are for total aboveground dry biomass (trees plus competing vegetation). Figure 2. Percentage cover of herbaceous and woody competing vegetation (sum of every species’ cover) and crowns of planted trees at year 5; Fall River tree cover scaled from 1,600 to 1,111 trees/ha. Mean comparisons are for total competition cover. Figure 5. Relationships between soil total N and (A) year-5 aboveground N in all living vegetation, (B) percentage of N allocated to planted trees, and (C) tree foliar N concentration determined from whole-crown samples, for -VC and +VC treatments. Summary Across sites, vegetation N content reflected soil total N. Whereas tree N content and biomass were substantially increased by VC at all sites, N content of competing vegetation was unchanged, halved, and nearly eliminated by VC at Matlock, Molalla, and Fall River, respectively. Thus, VC did not lead to a direct compensatory tradeoff of aboveground N content between trees and other vegetation. Biomass and N allocation were influenced by species composition of the understory vegetation community and the efficacy of the VC treatments.