 | |  | Altitudinal Variation of Chlorophyll Concentration and Reflectance of the Bark of Populus Tremuloides 1975 (Covington.1975.AltitudinalVariationOfChlorophyllConcentration.pdf) |
 | |  | Leaf Production During Secondary Succession in Northern Hardwoods 1980 (CovingtonAndAber.1980.LeafProductionDuringSecondarySuccession.pdf) |
 | |  | Changes in Forest Floor Organic Matter and Nutrient Content Following Clear Cutting in Northern Hardwoods 1981 (Covington.1981.ChangesInForestFloorOrganic.pdf) |
 | |  | The effect of a prescribed fire on nutrient concentration and standing crop of understory vegetation in ponderosa pine 1982 (HarrisEtAl_1982_EffectOfPrescribed.pdf) |
 | |  | Changes in Understory Production Following a Wildfire in Southwestern Ponderosa Pine 1983 (OswaldAndCovington.1983.ChangesInUnderstoryProductionFollowing.pdf) |
 | |  | The Effect of a Prescribed Burn in Southwestern Ponderosa Pine on Organic Matter and Nutrients in Woody Debris and Forest Floor 1984 (CovingtonAndSackett.1984.TheEffectOfAPrescribed.pdf) |
 | |  | Changes in Understory Production for Three prescribed burns of different ages in Ponderosa Pine 1986 (AndarieseAndCovington.1986.ChangesInUnderstoryProductionFor.pdf) |
 | |  | Biomass estimation for four common grass species in northern Arizona ponderosa pine 1986 (AndarieseAndCovington.1986.BiomassEstimationForFourCommon.pdf) |
 | |  | Effect of Periodic Burning on Soil Nitrogen Concentrations in Ponderosa Pine 1986 (CovingtonAndSackett.1986.EffectOfPeriodicBurningOn.pdf) |
 | |  | Effect of a Prescribed Burn in Ponderosa Pine on Inorganic Nitrogen Concentrations of Mineral Soil 1986 (Ryan_1986_EffectPrescribedBurn.pdf) |
 | |  | Teams: A Decision Support System for Multiresource Management 1988 (Covington.1988.TeamsADecisionSupportSystem.pdf) |
 | |  | Forest Health From Different Perspectives 1991 (KolbEtAl_1991_ForestHealthDifferentPerspectives.pdf) |
 | |  | A model of ponderosa pine growth response to prescribed burning 1991 (SutherlandEtal.1991.AModelOfPonderosaPine.pdf) |
 | |  | Soil Nitrogen Changes Associated with Slash Pile Burning in Pinyon-Juniper Woodlands 1991 (CovingtonEtal.1991.SoilNitrogenChangesAssociatedWith.pdf) |
 | |  | Old-Growth Forests: What Do We Know About Their Ecology and Management in the Southwest and Rocky Mountain Regions? 1992 (KaufmannEtal.1992.OldGrowthForestsWhatDo.pdf) |
 | |  | Soil mineral nitrogen changes following prescribed burning in ponderosa pine 1992 (CovingtonAndSackett.1992.SoilMineralNitrogenChangesFollowing.pdf) |
 | |  | Ecological Restoration of Southwestern Ponderosa Pine 1993 (Covington_1993_EcologicalRestorationOfSouthwestern...better.pdf) |
 | |  | Sustainable Ecological Systems: Implementing an Ecological Approach to Land Management, Implications for Ponderosa Pine/Bunchgrass Ecological Systems 1993 (Covington.1993.SustainableEcologicalSystemsImplementingAn.pdf) |
 | |  | Conservation Biology, Restoration Ecology, and a Navajo View of Nature 1993 (YazzieEtAl_1993_SustainableEcological.pdf) |
 | |  | Fire-Regime Disruption and Pine-Oak Forest Structure in the Sierra Madre Occidental, Durango, Mexico 1994 (Fule_1994_FireRegimeDisruption.pdf) |
 | |  | Historical and Anticipated Changes in Forest Ecosystems of the Inland West of the United States 1994 (CovingtonEtal.1994.HistoricalAndAnticipatedChangesIn.pdf) |
 | |  | Double Sampling Increases the Efficiency of Forest Floor Inventories for Arizona Ponderosa Pine Forests 1994 (FuleAndCovington.1994.DoubleSamplingIncreasesTheEfficiency.pdf) |
 | |  | Postsettlement Changes in Natural Fire Regimes and Forest Structure: Ecological Restoration of Old-Growth Ponderosa Pine Forests 1994 (CovingtonEtAl_1994_PostsettlementChanges.pdf) |
 | |  | Southwestern Ponderosa Forest Structure: Changes since Euro-American settlement. 1994 (CovingtonAndMoore.1994.SouthwesternPonderosaForestStructureChanges.pdf) |
 | |  | Concepts of Forest Health 1994 (KolbEtAl_1994_ConceptsForestHealth.pdf) |
 | |  | Implementing Adaptive Ecosystem Restoration in Western Long-Needled Pine Forests 1995 (Covington_1995_Implementing.pdf) |
 | |  | Developing a Model for Adaptive Ecosystem Management 1995 (DewhurstEtAl_1995_DevelopingModelAdaptiveEcosystemManagement.pdf) |
 | |  | Changing Fire Regimes in Mexican Pine Forests 1996 (Fule_1996_ChangingFireRegimesMexicanPine.pdf) |
 | |  | Supporting Research in Restoration Biology 1996 (AllenEtAl_1996_SupportingResearchInRestorationBiology.pdf) |
 | |  | Restoration of Forest Ecosystem Health: Western Long-needled Pines 1996 (CovingtonAndSampson.1996.RestorationOfForestEcosystemHealth.pdf) |
 | |  | Changes in Fire Regimes and Forest Structures of Unharvested Petran and Madrean Pine Forests 1997 (Fule_ChangesFireRegimesMadreanPine.pdf) |
 | |  | Restoring Ecosystem Health in Ponderosa Pine Forests of the Southwest 1997 (CovingtonEtal.1997.RestoringEcosystemHealthInPonderosa.pdf) |
 | |  | FIRE REGIMES AND FOREST STRUCTURE IN THE SIERRA MADRE OCCIDENTAL, DURANGO, MEXICO 1997 (FuleEtAl_1997_ChangingFireRegimesMexican_noPW.pdf) |
 | |  | Determining reference conditions for ecosystem management of southwestern ponderosa pine forests 1997 (FuleEtal.1997.DeterminingReferenceConditionsForEcosystem.pdf) |
 | |  | Influence of thinning and burning restoration treatments on presettlement ponderosa pines at the Gus Pearson Natural Area 1998 (Feeney_1998_InfluenceOfThinning.pdf) |
 | |  | Reference conditions and ecological restoration: a southwestern ponderosa pine perspective 1999 (MooreEtal.1999.ReferenceConditionsAndEcologicalRestoration.pdf) |
 | |  | Changes in Ponderosa Pine Forests of the Mt. Trumbull Wilderness 1999 (CovingtonEtal.1999.ChangesInPonderosaPineForests.pdf) |
 | |  | Effects of Restoration Thinning on Presettlement Pinus ponderosa in Northern Arizona 1999 (StoneEtal.1999.EffectsOfRestorationThinning.pdf) |
 | |  | Restoration of presettlement age structure of an Arizona ponderosa pine forest 1999 (MastEtal.1999.RestorationOfPresettlementAgeStructure.pdf) |
 | |  | Changes in La MichilĂa Biosphere Reserve, Durango, Mexico 1999 (FuleEtAl_1999_FireRegimeChangesMichilia.pdf) |
 | |  | Ecological Restoration Marking Guidelines for Ponderosa Pine Restoration Areas 1999 (CovingtonEtal.1999.EcologicalRestorationMarkingGuidelinesFor.pdf) |
 | |  | Ecosystem Restoration and Management: Scientific Principles and Concepts 1999 (CovingtonEtal.1999.EcosystemRestorationAndManagementScientific.pdf) |
 | |  | Education In Ecological Restoration At Northern Arizona University 2000 (CovingtonEtal.2000.EducationInEcologicalRestorationAt.pdf) |
 | |  | Continuing Fire Regimes in Remote Forest of Grand Canyon National Park 2000 (FuleEtal.2000.ContinuingFireRegimesInRemote.pdf) |
 | |  | Perspective: Prescribed Fire Not the Issue 2000 (Covington.2000.PerspectivePrescribedFireNotThe.pdf) |
 | |  | Helping western forests heal: The prognosis is poor for US forest ecosystems 2000 (Covington.2000.HelpingWesternForestsHealThe.pdf) |
 | |  | Herbaceous and Shrub Communities in Grand Canyon Forests 2000 (SpringerEtAl_2000_HerbaceousShrubCommunitiesGrandCanyonForests.pdf) |
 | |  | Congressional Testimony at the House Subcommittee on Forests and Forest Health Oversight Hearing on Preventing Wildfires through Proper Management of the National Forests, August 14, 2000 in Albuquerque, NM. 2000 (Covington.2000.CongressionalTestimonyAtTheHouse.pdf) |
 | |  | Development of Ecological Restoration Experiments in Fire Adapted Forests at Grand Canyon National Park 2000 (HeinleinEtal.2000.DevelopmentOfEcologicalRestorationExperiments.pdf) |
 | |  | Ponderosa pine ecosystems restoration and conservation: Steps toward stewardship 2000 (VanceEtal.2000.PonderosaPineEcosystemsRestorationAnd.pdf) |
 | |  | Ponderosa Pine Forest Reconstruction: Comparisons With Historical Data 2001 (HuffmanEtal.2001.PonderosaPineForestReconstructionComparisons.pdf) |
 | |  | Effect of Restoration Thinning on Mycorrhizal Fungal Propagules in a Northern Arizona Ponderosa Pine Forest: Preliminary Results 2001 (KorbEtal.2001.EffectOfRestorationThinningOn.pdf) |
 | |  | Potential Fire Behavior is Reduced Following Forest Restoration Treatments 2001 (FuleEtal.2001.PotentialFireBehaviorIsReduced.pdf) |
 | |  | Measuring Forest Restoration Effectiveness in Reducing Hazardous Fuels 2001 (FuleEtal.2001.MeasuringForestRestorationEffectivenessIn.pdf) |
 | |  | Effect of Prescribed Burning on Mortality of Presettlement Ponderosa Pines in Grand Canyon National Park 2001 (KaufmannAndCovington.2001.EffectOfPrescribedBurningOn.pdf) |
 | |  | Six-Year Changes in Mortality and Crown Condition of Old-Growth Pondersoa Pines in Ecological Restoration Treatments at the G.A. Pearson Natural Area 2001 (KolbEtal.2001.SixYearChangesInMortality.pdf) |
 | |  | Seeding Versus Natural Regeneration: A Comparison of Vegetation Change Following Thinning and Burning in Ponderosa Pine 2001 (SpringerEtal.2001.SeedingVersusNaturalRegenerationA.pdf) |
 | |  | Modeling ecological restoration effects on ponderosa pine forest structure 2001 (CovingtonEtal_2001_ModelingEcological.pdf) |
 | |  | Microclimatic changes induced by ecological restoration of ponderosa pine forests in northern Arizona 2001 (MeyerEtal.2001.MicroclimaticChanges.pdf) |
 | |  | Butterfly Response and Successional Change Following Ecosystem Restoration 2001 (WaltzAndCovington.2001.ButterflyResponseAndSuccessionalChange.pdf) |
 | |  | My doors open (letter to the editor) 2001 (Covington.2001.MyDoorsOpenLte.pdf) |
 | |  | Congressional Testimony at the House Subcommittee on Forests and Forest Health Field Hearing on Interagency Cooperation in Wildland Fire Fighting, September 28, 2002 in Show Low, AZ. 2002 (Covington.2002.CongressionalTestimonyAtTheHouseSubcommittee.pdf) |
 | |  | Congressional Testimony at Hearing to Discuss the Presidents Healthy Forests: An Initiative for Wildfire Prevention and Stronger Communities, September 5, 2002 2002 (Covington.2002.CongressionalTestimonyAtHearingTo.pdf) |
 | |  | Natural variability in forests of the Grand Canyon, USA 2002 (FuleEtal.2002.NaturalVariabilityInForestsOf.pdf) |
 | |  | Comparing ecological restoration alternatives: Grand Canyon, Arizona 2002 (FuleEtal.2002.ComparingEcologicalRestorationAlternativesGrand.pdf) |
 | |  | Evaluating ponderosa pine regeneration rates following ecological restoration treatments in northern Arizona, USA 2002 (BaileyAndCovington.2002.EvaluatingPonderosaPineRegenerationRates.pdf) |
 | |  | Congressional Testimony at the Senate Committee on Energy and Natural Resources Hearing on Additional Funds for Wildland Firefighting and Forest Restoration as well as Ongoing Implementation of the National Fire Plan, July 16, 2002 in Washington, DC. 2002 (Covington.2002.CongressionalTestimonyAtTheSenate.pdf) |
 | |  | Burning Under Old-Growth Ponderosa Pines on Lava Soils 2002 (FuleEtal.2002.BurningUnderOldGrowthPonderosa.pdf) |
 | |  | Congressional Testimony at the House Resources Committee Hearing to Discuss the Presidents Healthy Forests: An Initiative for Wildfire Prevention and Stronger Communities, September 5, 2002 in Washington, DC. 2002 (Covington.2002.CongressionalTestimonyAtTheHouse.pdf) |
 | |  | Chapter 2: The Evolutionary and Historical Context 2003 (Covington.2003.Chapter2TheEvolutionaryAnd.pdf) |
 | |  | Assessing fire regimes on Grand Canyon landscapes with fire-scar and fire-record data 2003 (FuleEtal.2003.AssessingFireRegimesOnGrand.pdf) |
 | |  | Sampling Techniques Influence Understory Plant Trajectories After Restoration: An Example from Ponderosa Pine Restoration 2003 (KorbEtal.2003.SamplingTechniquesInfluenceUnderstoryPlant.pdf) |
 | |  | Forest Road Revegetation: Effects of Seeding and Soil Amendments 2003 (ElseroadEtal.2003.ForestRoadRevegetationEffectsOf.pdf) |
 | |  | Congressional Testimony at the House Subcommittee on Forests and Forest Health Oversight Hearing on the Crisis on the National Forests: Containing the Threat of Wildland Fire on the Environment and Communities, March 7, 2003 in Flagstaff, AZ. 2003 (Covington.2003.CongressionalTestimonyAtTheHouse.pdf) |
 | |  | Working together (letter to the editor) 2003 (HeddenAndCovington.2003.WorkingTogetherLte.pdf) |
 | |  | Restoring Ecosystem Health in Frequent-Fire Forests of the American West 2003 (Covington.2003.RestoringEcosystemHealthInFrequent.pdf) |
 | |  | Diversity in Ponderosa Pine Forest Structure Following Ecological Restoration Treatments 2003 (WaltzEtal.2003.DiversityInPonderosaPineForest.pdf) |
 | |  | Mixed-severity fire regime in a high-elevation forest of Grand Canyon, Arizona, USA 2003 (FuleEtal.2003.MixedSeverityFireRegimeIn.pdf) |
 | |  | Arbuscular mycorrhizal propagule densities respond rapidly to ponderosa pine restoration treatments 2003 (KorbEtal.2003.ArbuscularMycorrhizalPropaguleDensitiesRespond.pdf) |
 | |  | Congressional Testimony at the Senate Committee on Energy and Natural Resources Hearing on Forest Health Problems in the National Forests, July 22, 2003 in Washington, DC. 2003 (Covington.2003.CongressionalTestimonyAtTheSenate.pdf) |
 | |  | Slash Pile Burning Effects on Soil Biotic and Chemical Properties and Plant Establishment: Recommendations for Amelioration 2004 (KorbEtal.2004.SlashPileBurningEffectsOn.pdf) |
 | |  | Toward reference conditions: wildfire effects on flora in an old-growth ponderosa pine forest 2004 (LaughlinEtal.2004.TowardReferenceConditionsWildfireEffects.pdf) |
 | |  | Comparison of Historical and Contemporary Forest Structure and Composition on Permanent Plots in Southwestern Ponderosa Pine Forests 2004 (MooreEtal.2004.ComparisonOfHistoricalAndComtemporary.pdf) |
 | |  | Quantifying Forest Reference Conditions for Ecological Restoration: The Woolsey Plots 2004 (MooreEtal.2004.QuantifyingForestReferenceConditionsFor.pdf) |
 | |  | Plant Community Variability in Ponderosa Pine Forest Has Implications for Reference Conditions 2004 (GildarEtal.2004.PlantCommunityVariabilityInPonderosa.pdf) |
 | |  | Changes in canopy fuels and potential fire behavior 1880-2040: Grand Canyon, Arizona 2004 (FuleEtal.2004.ChangesInCanopyFuelsAnd.pdf) |
 | |  | Restoring the Ecological and Social Integrity of Greater Ecosystems. 2004 (CovingtonAndNoss.2004.RestoringTheEcologicalAndSocial.pdf) |
 | |  | Ecological restoration treatments increase butterfly richness and abundance: mechanisms of response 2004 (WaltzAndCovington.2004.EcologicalRestorationTreatmentsIncreaseButterfly.pdf) |
 | |  | Effects of an intense prescribed forest fire: is it ecological restoration? 2004 (FuleEtal.2004.EffectsOfAnIntensePrescribed.pdf) |
 | |  | Monitoring an Arizona ponderosa pine restoration: sampling efficiency and multivariate analysis of understory vegetation 2004 (AbellaAndCovington.2004.MonitoringAnArizonaPonderosaPine.pdf) |
 | |  | Fire history and stand structure of two ponderosa pine-mixed conifer sites: San Francisco Peaks, Arizona, USA 2005 (HeinleinEtal.2005.FireHistoryAndStandStructure.pdf) |
 | |  | Response of a Rare Endemic, Penstemon clutei, to Burning and Reduced Belowground Competition 2005 (FuleEtal.2005.ResponseOfARareEndemic.pdf) |
 | |  | Initial Carbon, Nitrogen, and Phosphorus Fluxes Following Ponderosa Pine Restoration Treatments 2005 (KayeEtal.2005.InitialCarbonNitrogenAndPhosphorus.pdf) |
 | |  | Pine-oak forest dynamics five years after ecological restoration treatments, Arizona, USA 2005 (FuleEtal.2005.PineOakForestDynamicsFive.pdf) |
 | |  | Southwest Fire Initiative Final Report: December 31, 2005 2005 (CovingtonEtal.2005.SouthwestFireInitiativeFinalReport.pdf) |
 | |  | Long-Term Vegetation Studies in the Southwest 2005 (BakkerEtal.2005.LongTermVegetationStudiesIn.pdf) |
 | |  | Forest ecosystems of an Arizona Pinus ponderosa landscape: multifactor classification and implications for ecological restoration 2006 (AbellaAndCovington.2006.ForestEcosystemsOfAnArizona.pdf) |
 | |  | Evidence-based Approaches in Conservation 2006 (Covington.2006.EvidenceBasedApproachesInConservation.pdf) |
 | |  | Pinyon-Juniper Fire Regime: Natural Range of Variability 2006 (HuffmanEtal.2006.PinyonJuniperFireRegimeNatural.pdf) |
 | |  | Fire histories in ponderosa pine forests of Grand Canyon are well supported: reply to Baker 2006 (FuleEtal.2006.FireHistoriesInPonderosaPine.pdf) |
 | |  | Herbaceous Vegetation Responses (1992-2004) to Restoration Treatments in a Ponderosa Pine Forest 2006 (MooreEtal.2006.HerbaceousVegetationResponses19922004.pdf) |
 | |  | Minimal-Impact Restoration Treatments Have Limited Effects on Forest Structure and Fuels at Grand Canyon, USA. 2006 (FuleEtal.2006.MinimalImpactRestorationTreatmentsHave.pdf) |
 | |  | Ecosystem Restoration: Final Report for Assistance Agreement No. PAA 017002, Task Order No. AAW040001 2006 (HuffmanEtal.2006.EcosystemRestorationFinalReportFor.pdf) |
 | |  | Diameter Caps for Thinning Southwestern Ponderosa Pine Forests: Viewpoints, Effects, and Tradeoffs 2006 (AbellaEtal.2006.DiameterCapsForThinningSouthwestern.pdf) |
 | |  | Vegetation environment relationships and ecological species groups of an Arizona Pinus ponderosa landscape, USA 2006 (AbellaAndCovington.2006.VegetationEnvironmentRelationshipsAndEcological.pdf) |
 | |  | Recommendations for Integrating Restoration Ecology and Conservation Biology in Ponderosa Pine Forests of the Southwestern United States 2006 (NossEtal.2006.RecommendationsForIntegratingRestorationEcology.pdf) |
 | |  | Assessing Targets for the Restoration of Herbaceous Vegetation in Ponderosa Pine Forests 2006 (LaughlinEtal.2006.AssessingTargetsForTheRestoration.pdf) |
 | |  | Posttreatment Tree Mortality After Forest Ecological Restoration, Arizona, United States 2007 (FuleEtal.2007.PosttreatmentTreeMortalityAfterForest.pdf) |
 | |  | Seed Banks of an Arizona Pinus ponderosa Landscape: Responses to Environmental Gradients and Fire Cues 2007 (AbellaEtal.2007.SeedBanksOfAnArizona.pdf) |
 | |  | Forest-floor Treatments in Arizona Ponderosa Pine Restoration Ecosystems: No Short-term Effects on Plant Communities 2007 (AbellaEtAl_2007_Forest-FloorTreatments.pdf) |
 | |  | Species richness and soil properties in Pinus ponderosa forests: A structural equation modeling analysis 2007 (LaughlinEtal.2007.SpeciesRichnessAndSoilProperties.pdf) |
 | |  | A Demonstration Project to Test Ecological Restoration of a Pinyon-Juniper Ecosystem 2008 (HuffmanEtAl.2008.ADemonstrationProject.pdf) |
 | |  | Landscape-scale changes in canopy fuels and potential fire behaviour following ponderosa pine restoration treatments 2008 (RoccaforteEtal.2008.LandscapeScaleChangesInCanopy.pdf) |
 | |  | Cheatgrass Encroachment on a Ponderosa Pine Forest Ecological Restoration Project in Northern Arizona 2009 (McGloneEtAl.2009.CheatgrassEncroachment.pdf) |
 | |  | Assessing Changes in Canopy Fuels and Potential Fire behavior Following Ponderosa Pine Restoration 2009 (Roccaforte.2009.AssessingChangesinCanopy.pdf) |
 | |  | Fact Sheet: Using a Terrestrial Ecosystem Survey to Estimate the Historical Density of Ponderosa Pine Trees in Northern Arizona 2010 (AbellaEtAl.2010.UsingaTerrestrial.pdf) |
 | |  | Future climate affects management strategies for maintaining forest restoration treatments 2010 (DigginsEtAl_2010_ClimateAffectsRestorationStrategy.pdf) |
 | |  | How do Thinning and Burning Treatments in Southwestern Conifer Forests in the United States affect Wildlife Density and Population Performance? 2010 (Kalies_EBCFinalReview.pdf) |
 | |  | Wildlife responses to thinning and burning treatments in southwestern conifer forests: A meta-analysis 2010 (KaliesEtAl.2010.WildlifeResponses.pdf) |
 | |  | Monitoring Landscape-Scale Ponderosa Pine Restoration Treatment Implementation and Effectiveness 2010 (RoccaforteEtAl_2010_MonitoringLandscapeScale.pdf) |
 | |  | Using a terrestrial ecosystem survey to estimate the historical density of ponderosa pine trees 2011 (AbellaEtAl_2011_UsingTerrestrial.pdf) |
 | |  | Relationships of exotic plant communities with native vegetation, environmental factors, disturbance, and landscape ecosystems of Pinus ponderosa forests, USA 2012 (AbellaEtAl_2012_RelationshipsOfExoticPlant.pdf) |
 | |  | Small Mammal Community Maintains Stability Through Compensatory Dynamics After Restoration of a Ponderosa Pine Forest 2012 (KaliesCovington_2012_SmallMammalCommunityMaintains.pdf) |
 | |  | Nonnative Species Influence Vegetative Response to Ecological Restoration: Two Forests with Divergent Restoration Outcomes 2012 (McGloneEtAl_2012_NonnativeSpeciesInfluence.pdf) |