Harvard Forest Data Archive

Large Experiments and Permanent Plot Studies

• 20-Year Root Mass in Chronic Nitrogen Amendment Experiment at Harvard Forest 2008. HF166
• Air and Soil Temperature in Hemlock Removal Experiment at Harvard Forest since 2004. HF108
• Ant Assemblages in Hemlock Removal Experiment at Harvard Forest since 2003. HF118
• Ant Diversity and Vegetation Composition in Hemlock Removal Experiment at Harvard Forest 2006. HF119
• Ant Resource Detection Distance at the Caxiuana National Forest in Brazil 2017-2018. HF351
• Ants Under Climate Change at Harvard Forest and Duke Forest 2009-2015. HF113
• Ants and Ecosystem Function in Hemlock Removal Experiment at Harvard Forest 2006-2014. HF160
• Ants in an Induced Drought Experiment at the Caxiuana National Forest in Brazil 2011-2012. HF346
• Ants of the CTFS-ForestGEO Plot at Harvard Forest 2018. HF310
• Autumnal Litter Input in DIRT Litter Manipulation Experiment at Harvard Forest 2008. HF167
• Barre Woods Soil Warming Experiment at Harvard Forest since 2001. HF018
• Baseline Plant Abundances on Garlic Mustard Experiment Plots at Harvard Forest 2013. HF272
• Biomass Inventories at Harvard Forest EMS Tower since 1993. HF069
• Canopy LiDAR Measurements in Hemlock Removal Experiment at Harvard Forest 2005. HF123
• Canopy Sky Factors in CRUI Land Use Project at Harvard Forest 1998. HF135
• Carbon Budget at the Harvard Forest 1992-2015. HF324
• Chronic Nitrogen Amendment Experiment at Harvard Forest since 1988. HF008
• Climate Change Impacts on Forest Biodiversity at Harvard Forest since 2011. HF250
• Coarse Woody Debris in Hemlock Removal Experiment at Harvard Forest since 2005. HF125
• Coarse Woody Debris in the Clearcut Site at Harvard Forest 2010. HF220
• Community and Ecosystem Impacts in Hemlock Removal Experiment at Harvard Forest since 2003. HF054
• Crown Geometry Measurements of 14 Species in the CTFS-ForestGEO Plot at Harvard Forest 2013. HF339
• DIRT Litter Manipulation Experiment at Harvard Forest since 1990. HF007
• Deer and Moose Browsing in Hemlock Removal Experiment at Harvard Forest 2008. HF124
• Dendrochronological Record in Hemlock Removal Experiment at Harvard Forest 2004-2006. HF086
• Effects of Soil Warming and Substrate Complexity on Microbial Carbon Use Efficiency at Harvard Forest 2017. HF372
• Effects of Soil Warming on Bacterial Degradation of Carbohydrates at Harvard Forest 2011. HF371
• 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
• Effects of Warming on Tree Species Recruitment at Harvard Forest and Duke Forest since 2009. HF199
• Evaluation of Mask R-CNN Model for Counting Reproductive Structures of Six Plant Species 1895-2018. HF336
• Foliar and Soil Chemistry at Harvard Forest Chronic Nitrogen Amendment Experiment 1995-2009. HF297
• Foundation Species in Forest Dynamics Plots of China 2004-2014. HF345
• Fuel Loading in Simulated Hurricane Experiment at Harvard Forest since 1993. HF207
• Harvard Forest CTFS-ForestGEO Mapped Forest Plot since 2014. HF253
• Hemlock History Plots at Harvard Forest since 1995. HF053
• Hemlock Mapped Tree Plot at Harvard Forest since 1990. HF031
• Hemlock Understory Vegetation Plots at Harvard Forest since 2002. HF048
• Hemlock Woolly Adelgid and Elongate Hemlock Scale Surveys in Connecticut and Massachusetts 1997-2011. HF289
• 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
• Hurricane Recovery Plots at Harvard Forest since 1937. HF040
• Impacts of Deer and Moose on Soil Carbon, Soil Respiration, and Root Biomass at Harvard Forest since 2017. HF337
• Impacts of Hemlock Woolly Adelgid After Preventative Treatment in Lincoln MA 2015-2018. HF319
• 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
• Juvenile Tree Responses to Soil Warming at Harvard Forest 1995-2019. HF436
• Landscape Response to Hemlock Woolly Adelgid in Southern New England 1997-2011. HF081
• Leaf Area Index at Harvard Forest HEM and LPH Towers since 1998. HF150
• Leaf and Flower Phenology of Woody Plant Species at Harvard Forest and Southern Quebec 2015. HF314
• Light Environment in Hemlock Removal Experiment at Harvard Forest since 2003. HF107
• Litter Decomposition in Response to Nitrogen Addition and Soil Warming at Harvard Forest since 2012. HF218
• Litterfall at Harvard Forest HEM and LPH Towers since 2002. HF151
• Litterfall in Hemlock Removal Experiment at Harvard Forest since 2005. HF161
• Litterfall in Simulated Hurricane Experiment at Harvard Forest since 1989. HF101
• Litterfall, Biomass and Productivity in CRUI Land Use Project at Harvard Forest 1996-1997. HF133
• Long-Term Decomposition Plots at Harvard Forest 1990-2009. HF050
• Long-Term Field Research Sites at Harvard Forest since 1937. HF375
• Lyford Mapped Tree Plot at Harvard Forest since 1969. HF032
• Mapped Trees in CRUI Land Use Project at Harvard Forest 1996-2006. HF137
• Microclimate at Harvard Forest HDW Tower since 2014. HF282
• Microclimate at Harvard Forest HEM, LPH and EMS Towers since 2005. HF206
• Microclimate in CRUI Land Use Project at Harvard Forest 1997. HF138
• Oak Forest Response to Lymantria dispar Defoliation in Central Massachusetts since 2019. HF424
• Overstory Mapped Tree Plots at Harvard Forest since 1990. HF036
• Overstory Vegetation in Hemlock Removal Experiment at Harvard Forest since 2003. HF126
• Permanent Plots at Pisgah State Forest in Winchester NH since 1984. HF041
• Phenology and Vegetation Growth in Prospect Hill Soil Warming Experiment at Harvard Forest 1992-1993. HF033
• Phenology of Woody Species at Harvard Forest since 1990. HF003
• Photosynthetic Light Response Curves in CRUI Land Use Project at Harvard Forest 1998. HF139
• Prospect Hill Forest Plots at Harvard Forest 2013. HF271
• Prospect Hill Soil Warming Experiment at Harvard Forest since 1991. HF005
• Red-backed Salamanders as Indicators of Hemlock Forest Health at Harvard Forest 2014. HF292
• Regeneration Following Clearcutting Study at Harvard Forest since 1991. HF047
• Role of Moose and Deer Browsing in Harvested Forests of Southern New England since 2008. HF174
• Role of Moose and Deer Browsing in Unharvested Forests of Southern New England since 2011. HF241
• Root and Mycorrhizal Respiration at Harvard Forest Soil Warming Experiments 2007-2008. HF171
• Salamander Response in Hemlock Removal Experiment at Harvard Forest 2003-2005. HF038
• Sap Flow in Red Maple and Red Oak in the Harvard Forest Snow Removal Study 2011. HF338
• Sap Flow of Northern Red Oak Trees Under Ecosystem Warming at Harvard Forest 2011. HF247
• Seed Bank in Hemlock Removal Experiment at Harvard Forest 2004-2015. HF105
• Short-Term Effects on Vegetation in Soil Warming Plus Nitrogen Addition Experiment at Harvard Forest 2006. HF163
• Soil Arthropods in Hemlock Removal Experiment at Harvard Forest 2008. HF177
• Soil Carbon Dioxide and Oxygen at the Soil Warming Plus Nitrogen Experiment at Harvard Forest since 2018. HF428
• 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 in CRUI Land Use Project at Harvard Forest 1997. HF144
• Soil Warming Plus Nitrogen Addition Experiment at Harvard Forest since 2006. HF045
• Spectral Vegetation Indices from Harmonized Landsat and Sentinel-2 Data for Harvard Forest 2015-2020. HF365
• Synthesis of Sarracenia Research in North America 1982-2018. HF340
• Terrestrial LiDAR Scans in the CTFS-ForestGEO Plot at Harvard Forest 2021. HF413
• 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 Growth and Above-Ground Biomass at Harvard Forest HEM and LPH Towers since 2001. HF149
• Tree Growth and Coarse Woody Debris in Regenerating Forests at Harvard Forest since 2008. HF175
• Tree Growth in Hemlock and Deciduous Forests at Harvard Forest HEM and LPH Towers 2000-2005. HF154
• Tree Inventories for Validating Terrestrial Lidar Measurements at Harvard Forest 2007-2014. HF277
• Tree Ring Data from Goose Egg State Forest NY 1681-2014. HF408
• Tree Ring Data from North Round Pond in Pisgah State Forest NH 1754-2015. HF409
• Tree Ring Data from Rooster Hill in Adirondack State Park NY 1828-2015. HF411
• Tree Ring Data from the Harvard Forest EMS Tower 1896-2014. HF407
• Tree Ring Data from the Harvard Tract in Pisgah State Forest NH 1675-2015. HF410
• Tree Ring Data from the Lyford Mapped Tree Plot at Harvard Forest 1861-2014. HF358
• Tree Seed Dispersal in Hemlock Removal Experiment at Harvard Forest 2005. HF120
• Tree Seedlings in CRUI Land Use Project at Harvard Forest 1996. HF141
• Understory Removal Experiment at Harvard Forest 1956-2018. HF313
• Understory Vegetation in Hemlock Removal Experiment at Harvard Forest since 2003. HF106
• Ungulate-Disturbance Interactions in Hemlock Ecosystems at Harvard Forest since 2012. HF203
• Vegetation Cover in the Clearcut Site at Harvard Forest 2010-2013. HF222
• Vegetation Inventory of Harvard Forest 1937. HF039
• Vegetation Inventory of Harvard Forest 1986-1993. HF037
• Vegetation Response in Simulated Hurricane Experiment at Harvard Forest since 1990. HF002
• Warming Effects on Microbial Structure and Decomposition at Harvard Forest 2011. HF254
• White Pine Girdling and Compression Experiment at Harvard Forest 2017-2019. HF348