Harvard Forest Data Archive

Short-Term Measurements

• 20-Year Root Mass in Chronic Nitrogen Amendment Experiment at Harvard Forest 2008. HF166
• 20-Year Synthesis of Soil Respiration Data at Harvard Forest 1991-2008. HF194
• Adult Population Survey of Hemlock Woolly Adelgid in Massachusetts 2003-2005. HF104
• Age of Nonstructural Carbohydrates in Four Tree Species at Harvard Forest 2015. HF341
• Allelopathy of Frangula Alnus to Native New England Wetland Vegetation at Harvard Forest 2008. HF172
• Allochthonous Nutrients in the Sarracenia Microecosystem at Harvard Forest 2005-2007. HF098
• Ant Functional Diversity in Temperate Zone Forests: A Comparison with Neotropical Ants 2010. HF219
• Ant Mesocosm Experiment in Harvard Forest Lath Houses 2011-2012. HF244
• Ant Resource Detection Distance at the Caxiuana National Forest in Brazil 2017-2018. HF351
• Ants in an Induced Drought Experiment at the Caxiuana National Forest in Brazil 2011-2012. HF346
• Ants in the New York Pine Barrens 2012-2013. HF239
• Ants of the Adirondack Mountains High Peaks 2016. HF350
• Ants of the CTFS-ForestGEO Plot at Harvard Forest 2018. HF310
• Atmospheric Gaseous Elemental Mercury Fluxes at Harvard Forest EMS Tower 2019-2020. HF373
• Autumnal Litter Input in DIRT Litter Manipulation Experiment at Harvard Forest 2008. HF167
• Avian Response to Hemlock Woolly Adelgid in Southern New England 2000-2001. HF085
• Bird Communities in Forest Openings at Harvard Forest 2014-2015. HF267
• Breeding Bird Species at Harvard Forest 1993. HF058
• Bryophyte Species at Harvard Forest 1994. HF057
• Calibrating Abundance Indices of Red Back Salamanders at Harvard Forest 2014. HF246
• Candida Pseudoglaebosa Ecology in Sarracenia Purpurea Pitcher Plants at Harvard Forest since 2021. HF445
• Canopy Chemistry Study at Harvard Forest 1992. HF062
• Canopy LiDAR Measurements in Hemlock Removal Experiment at Harvard Forest 2005. HF123
• Canopy Photosynthesis Study at Harvard Forest 1991-1992. HF059
• Canopy Sky Factors in CRUI Land Use Project at Harvard Forest 1998. HF135
• Carbon Biogeochemistry of Forested Headwater Streams at Harvard Forest 2006-2007. HF043
• Carbon Cycle Dynamics in Soil Warming Experiments at Harvard Forest 2019. HF431
• Coarse Roots and Rock Content in Oak, Hemlock, and Ash Stands at Harvard Forest 2020. HF356
• Community and Conservation Survey in Urban, Suburban and Rural Massachusetts 2013-2018. HF298
• Concentration and Age of Nonstructural Carbon Reserves in Two Trees at Harvard Forest 2012. HF226
• Construction Costs of Carnivorous and Non-Carnivorous Plants at Harvard Forest 2006-2008. HF112
• Correction Factors for Dissolved Organic Carbon Extracted from Soil in New England 2012-2013. HF266
• Crown Geometry Measurements of 14 Species in the CTFS-ForestGEO Plot at Harvard Forest 2013. HF339
• Decomposition Dynamics in the Sarracenia Purpurea Microecosystem at Harvard Forest 2010. HF169
• Demography and Morphology of Ericaceous Species on a Sand Plain in Montague MA 1994-1996. HF019
• Dendrochronological Record in Hemlock Removal Experiment at Harvard Forest 2004-2006. HF086
• Density Anomalies in White Pine at Harvard Forest 2019. HF347
• Detection Histories for Hemlock Woolly Adelgid Infestations at Cadwell Forest in Pelham MA 2008. HF152
• Detection Probability of Red Wood Ants in Friedenweiler, Germany 2015. HF286
• Diurnal Patterns of Cavitation in Red Maple, Paper Birch and White Ash at Harvard Forest 2011-2012. HF268
• Dynamics of Old-Growth Forests on Wachusett Mountain in Princeton MA 1996-1997. HF016
• EMS - Automated High-Frequency Methane Data. HF060
• Eastern Redback Salamander Abundance at the Arnold Arboretum 2004-2005. HF132
• Eastern Redback Salamander Abundance in North Central Massachusetts 2005. HF131
• Ecological Momentary Assessment of Family Forest Owners in New England 2016. HF301
• Ecology and Biogeography of a Northern Caddisfly in Cape Cod MA 1996-2002. HF093
• Ecophysiology of Carnivorous Plants Worldwide 1980-2011. HF168
• Ectomycorrhizal Community of Red Oak at Harvard Forest 2013. HF273
• Eddy Covariance and Meteorological Data in the Clearcut Site at Harvard Forest 2009-2012. HF233
• Effect of Prey Availability on Sarracenia Purpurea Stoichiometry at Belvidere Bog, Vermont 2002. HF328
• Effect of Warming on Thermal Adaptation of Soil Microbial Growth Traits at Harvard Forest 2013-2023. HF438
• Effects of Acorn Production on White-Footed Mouse Populations at Harvard Forest 1997-1999. HF030
• Effects of Prey Availability on Sarracenia Physiology at Harvard Forest 2005. HF109
• Effects of Warming on Soil Biogeochemistry at Harvard Forest 2014-2015. HF303
• Effects of Warming on Soil Microbial Communities at Harvard Forest 2011. HF302
• Effects of Warming on Soil Microbial Oxidative Activity at Harvard Forest 2013. HF304
• Environment and History in a Rich Mesic Forest in Western Massachusetts 1999-2001. HF089
• Extracellular Enzyme Activity in Rhizosphere Soil at Harvard Forest and Pisgah State Forest 2010. HF251
• Fern Understory as an Ecological Filter at Harvard Forest 1993-1995. HF051
• Fluxes of Molecular Hydrogen (H2) at Harvard Forest EMS Tower 2010-2012. HF288
• Food Web of Sarracenia Purpurea in United States and Canada 1999-2011. HF193
• Foundation Species in Forest Dynamics Plots of China 2004-2014. HF345
• Fungal Diversity in Sarracenia Purpurea Pitchers at Harvard Forest 2009-2010. HF441
• Gap Partitioning Among Maples at Harvard Forest 1986-1989. HF049
• Gene Expression and Tree Growth in the CTFS-ForestGEO Plot at Harvard Forest 2017-2019. HF342
• Harvard Forest Summer Research Program in Ecology Student Surveys 2016-2021. HF354
• Headwater Habitat Streams in Central Massachusetts 2002-2005. HF095
• Hemlock Hospice Sculpture Installation at Harvard Forest 2018-2019. HF370
• Herbaceous Community Composition in CRUI Land Use Project at Harvard Forest 1996. HF142
• Herbaceous Species in CRUI Land Use Project at Harvard Forest 1996. HF136
• Herbaceous Stratum Sunfleck Regimes in CRUI Land Use Project at Harvard Forest 1998. HF140
• History and Dynamics of American Beech in Coastal New England 1620-2006. HF195
• Hydraulic Pathways in Leaves of Temperate Trees at Harvard Forest 2002. HF092
• Hysteresis of the Sarracenia Purpurea Microecosystem in Northern Vermont 2015-2016. HF334
• Impact of Hemlock Woolly Adelgid on Canopy Throughfall in Southern New England 2002. HF084
• Impacts of Climate Warming on Trophic Function at Harvard Forest and Duke Forest 2013. HF276
• Impacts of Hemlock Harvesting in Central Massachusetts 2003-2009. HF128
• Impacts of Land Use on Japanese Barberry Invasion in Central Massachusetts 2005. HF196
• Impacts of Nutrient Availability on Calystegia Spithamaea at Harvard Forest 2013. HF216
• Impacts of Phloem Chilling and Compression on Mature White Pine at Harvard Forest 2018. HF422
• Impacts of Phloem Chilling on Mature Red Maples at Harvard Forest 2019. HF421
• Inorganic Nitrogen Pools and Tree Composition in Hemlock Removal Experiment at Harvard Forest 2007-2009. HF179
• Inventory of Ants at the Black Rock Forest in Cornwall NY 2006-2015. HF097
• Land Use and Forest Dynamics at Harvard Forest 1937-2013. HF015
• Land Use on the Southern New England and New York Coasts 1600-2001. HF044
• Landscape Phenology from Unmanned Aerial Vehicle Photography at Harvard Forest 2013. HF294
• Leaf Area in the Clearcut Site at Harvard Forest 2010-2012. HF228
• Leaf Gas Exchange in the Clearcut Site at Harvard Forest 2010-2012. HF224
• Leaf Litter Moisture Content at Harvard Forest HEM and LPH Towers 2006. HF157
• Leaf Traits of Darlingtonia Californica in Oregon and California 2001. HF327
• Leaf and Flower Phenology of Woody Plant Species at Harvard Forest and Southern Quebec 2015. HF314
• Leaf and Soil Nitrogen Following Lymantria dispar Defoliation in Central Massachusetts 2018-2019. HF344
• Life History of a Climax Forest in Pisgah State Forest in Winchester NH 1929-1930. HF307
• Linking Community Dynamics and Ecosystem Function at Harvard Forest 1996-2000. HF035
• Linking Xylem Diameter Variations with Sap Flow Measurements at Harvard Forest 2003-2006. HF129
• Litter Decomposition in Response to Nitrogen Addition and Soil Warming at Harvard Forest 2010-2012. HF218
• Litterfall in the Clearcut Site at Harvard Forest 2012. HF230
• Litterfall, Biomass and Productivity in CRUI Land Use Project at Harvard Forest 1996-1997. HF133
• Long-Term Impacts of the Hemlock Woolly Adelgid on Forest Carbon at Harvard Forest 2008-2011. HF257
• Longitudinal Streamflow in Headwater Streams on Prospect Hill Tract at Harvard Forest 2003. HF034
• Lymantria dispar Defoliation Survey at the Quabbin Watershed in Central Massachusetts 2017. HF352
• Metaproteomic Analysis of Sarracenia Purpurea Pitcher Fluid at Harvard Forest 2012-2017. HF295
• Microclimate in CRUI Land Use Project at Harvard Forest 1997. HF138
• Monitoring Amphibians in the Declined Hemlocks at Harvard Forest 2013-2014. HF270
• Moose Foraging in Temperate Forests of Central Massachusetts 2005. HF115
• Moths, Ants and Pitcher Plants in Bogs at Harvard Forest and Belchertown MA 2007-2013. HF159
• Nitrogen Cycling Dynamics in Sarracenia Purpurea at Harvard Forest 2004-2005. HF096
• Nitrogen Deposition and Pitcher Plant Morphology in Massachusetts and Vermont 1998-1999. HF330
• Nonstructural Carbohydrates in Defoliated Oaks in Central Massachusetts 2019-2020. HF369
• Nonstructural Carbohydrates in Forest Trees at Harvard Forest 2007-2010. HF176
• Nonstructural Carbohydrates in Red Maple at Harvard Forest and Bartlett Forest 2011-2012. HF225
• Nonstructural Carbon, Phenology and Wood Formation in Three Tree Species at Harvard Forest 2017-2019. HF361
• Northern Range Limit of Aphaenogaster picea in Maine 2015. HF323
• Organic and Inorganic Nitrogen Uptake by Sarracenia Purpurea at Harvard Forest and Fort Albany ON 2007. HF146
• Partitioning the Components of Soil Respiration in a Trenching Experiment at Harvard Forest 2009-2010. HF243
• Phenology and Carbon Allocation of Roots at Harvard Forest 2011-2013. HF278
• Phenology and Vegetation Growth in Prospect Hill Soil Warming Experiment at Harvard Forest 1992-1993. HF033
• Photosynthetic Light Response Curves in CRUI Land Use Project at Harvard Forest 1998. HF139
• Photosynthetically Active Radiation in the Clearcut Site at Harvard Forest 2013. HF231
• Physiological Ecology of Euryhaline Chironomid Midges in Cape Cod MA 2002-2003. HF094
• Physiological Model of CO2 Exchange by Hemlock Forests at Harvard Forest 1996-2000. HF063
• Predator Contributions to Belowground Responses to Climate Warming at Harvard Forest 2014. HF275
• Prey Capture by Carnivorous Plants Worldwide 1923-2007. HF111
• Proteolytic Enzyme Activity in Temperate Forest Soils at Harvard Forest and Pisgah State Forest 2007-2010. HF180
• R Code and Images for Developing a Spatial Concordance Coefficient at Harvard Forest 2010. HF322
• Red Maple Seedling Soil Warming Experiment in Harvard Forest Lath House 2015. HF291
• Red Wood-Ant Nests and Fault-Related Methane Micro-Seepage 2016. HF305
• Red-backed Salamanders as Indicators of Hemlock Forest Health at Harvard Forest 2014. HF292
• Regional Conservation Partnerships in New England 2009-2012. HF204
• Regional and Historical Variation in Garlic Mustard Distribution in Western Massachusetts 2006-2007. HF181
• Respiration of Coarse Woody Debris in the Clearcut Site at Harvard Forest in 2011. HF221
• Role of Personal Connections in Shaping Decisions About Private Forest Use in Central Massachusetts 2008. HF173
• Root Exudation Simulation Experiment in a Red Oak Stand at Harvard Forest 2011. HF255
• Root Systems of Individual Plants Worldwide 2022. HF426
• Salamander Abundance at Harvard Forest 2003-2004. HF075
• Salamander Response in Hemlock Removal Experiment at Harvard Forest 2003-2005. HF038
• Sap Flow of Northern Red Oak Trees Under Ecosystem Warming at Harvard Forest 2011. HF247
• Sapwood Temperatures in Hemlock Trees at Harvard Forest HEM Tower 1997-1998. HF156
• Sarracenia Purpurea Prey Capture at Harvard Forest 2008. HF114
• Scaling Sarracenia in North America 1900-2100. HF349
• Short-Term Effects on Vegetation in Soil Warming Plus Nitrogen Addition Experiment at Harvard Forest 2006. HF163
• Simulating Intrastand Movement of Hemlock Woolly Adelgid at Harvard Forest 2009. HF198
• Social Network Survey of Forest Landowners in New Hampshire and Vermont 2010. HF252
• Soil Arthropods in Hemlock Removal Experiment at Harvard Forest 2008. HF177
• Soil Carbon at Forest Edges along an Urban to Rural Gradient in Massachusetts since 2018. HF439
• Soil Characteristics in the Clearcut Site at Harvard Forest 2012. HF227
• Soil Gas Exchange in the Clearcut Site at Harvard Forest 2011-2013. HF223
• Soil Microbial Community Effects on Quercus Rubra Seedling Survival at Harvard Forest 2016-2017. HF333
• Soil Properties in CRUI Land Use Project at Harvard Forest 1995-1998. HF143
• Soil Respiration Along a Hydrological Gradient at Harvard Forest EMS Tower 2003-2006. HF068
• Soil Respiration at Forest Edges along an Urban to Rural Gradient in Massachusetts 2018-2019. HF423
• Soil Respiration in CRUI Land Use Project at Harvard Forest 1997. HF144
• Specific Leaf Area in the Clearcut Site at Harvard Forest 2012. HF229
• Spectral Vegetation Indices from Harmonized Landsat and Sentinel-2 Data for Harvard Forest 2015-2020. HF365
• Stoichiometry of Bogs and Bog Plants in Massachusetts and Vermont 2002. HF329
• Stream Macroinvertebrates in Hemlock and Deciduous Watersheds at Harvard Forest 2005-2007. HF121
• Stream Periphyton Response to Hemlock Mortality in Central Massachusetts 2006. HF099
• Stream Subsurface Flowpaths and Macroinvertebrate Communities at Harvard Forest 2004. HF064
• Stream Suspended Sediment and Particulate Organic Matter at Harvard Forest 2009-2010. HF178
• Structure of Ant Communities in Declining Hemlock Stands at Harvard Forest 2003. HF065
• Survey of Family Forest Owners Regarding Invasive Insects in the Connecticut River Watershed 2017. HF326
• Survey of Wild Bee Pollinators on Nyssa Sylvatica at Harvard Forest since 2021. HF425
• Synthesis of Sarracenia Research in North America 1982-2018. HF340
• Taxonomy and Biogeography of Nematode Communities at Harvard Forest 2014. HF274
• Temperature Sensitivity of Microbial Activity in Three Forest Soils at Harvard Forest 2010-2011. HF256
• Terrestrial LiDAR Scans in the CTFS-ForestGEO Plot at Harvard Forest 2021. HF413
• Thresholds and Tipping Points in a Sarracenia Microecosystem at Harvard Forest 2012-2013. HF205
• Timber Harvesting Field Study in Western Massachusetts 2004-2005. HF127
• Trace Gas Fluxes and Soil N Dynamics in Simulated Hurricane Experiment at Harvard Forest 1989-1991. HF052
• Tree Canopy Leaf Area Index in CRUI Land Use Project at Harvard Forest 1997. HF134
• Tree Seed Dispersal in Hemlock Removal Experiment at Harvard Forest 2005. HF120
• Tree Seedlings in CRUI Land Use Project at Harvard Forest 1996. HF141
• Umbilicaria Mammulata and Nitrogen Deposition at Harvard Forest 2006. HF164
• Ungulate Browsing and Foundation Tree Regeneration in Central New England 2010. HF242
• Ungulate-Forest Interactions in Partially Harvested Oak-Pine Stands in Central Massachusetts 2009. HF201
• Vascular Plant Species at Harvard Forest 1992. HF056
• Vegetation Inventory of Harvard Forest 1937. HF039
• Vegetation Inventory of Harvard Forest 1986-1993. HF037
• Vegetation Patterns of a New England Sand Plain in Montague MA 1993-1995. HF017
• Warming Effects on Microbial Structure and Decomposition at Harvard Forest 2011. HF254
• Water Chemistry and Well Levels at Upper Bigelow Brook, Harvard Forest 2009-2010. HF240
• White Pine Girdling and Compression Experiment at Harvard Forest 2017-2019. HF348
• White Pine Needle Decline in Walden Woods and Weston MA 2017-2018. HF318
• Whole-Tree Nonstructural Carbohydrate Budgets in Five Species at Harvard Forest 2014. HF308
• Xylem Embolism Formation, Refilling and Water Storage in Tree Trunks at Harvard Forest 2012. HF269