nitrogen
- 20-Year Root Mass in Chronic Nitrogen Amendment Experiment at Harvard Forest 2008. HF166
- Ant Mesocosm Experiment in Harvard Forest Lath Houses 2011-2012. HF244
- Ants and Ecosystem Function in Hemlock Removal Experiment at Harvard Forest 2006-2014. HF160
- Barre Woods Soil Warming Experiment at Harvard Forest since 2001. HF018
- Belowground Carbon Observatory Network (BeCON) at Harvard Forest since 2020. HF430
- Canopy Chemistry Study at Harvard Forest 1992. HF062
- Carbon Biogeochemistry of Forested Headwater Streams at Harvard Forest 2006-2007. HF043
- Carbon and Nitrogen Across Two ULTRA-Ex Urban to Rural Gradients in Massachusetts 2010. HF200
- Chronic Nitrogen Amendment Experiment at Harvard Forest since 1988. HF008
- DIRT Litter Manipulation Experiment at Harvard Forest since 1990. HF007
- Effect of Prey Availability on Sarracenia Purpurea Stoichiometry at Belvidere Bog, Vermont 2002. HF328
- Effects of Prey Availability on Sarracenia Physiology at Harvard Forest 2005. HF109
- Extracellular Enzyme Activity in Rhizosphere Soil at Harvard Forest and Pisgah State Forest 2010. HF251
- Functional Traits of Selected Tree Species in Harvard Forest, New Hampshire, and Southern Quebec 2015. HF452
- Impact of Hemlock Woolly Adelgid on Canopy Throughfall in Southern New England 2002. HF084
- Impacts of Nutrient Availability on Calystegia Spithamaea at Harvard Forest 2013. HF216
- Inorganic Nitrogen Pools and Tree Composition in Hemlock Removal Experiment at Harvard Forest 2007-2009. HF179
- Inorganic Nutrient Concentrations in Forested Headwater Streams at Harvard Forest since 2017. HF429
- Land Use and Forest Dynamics at Harvard Forest 1937-2013. HF015
- Leaf Traits of Darlingtonia Californica in Oregon and California 2001. HF327
- Leaf and Soil Nitrogen Following Lymantria dispar Defoliation in Central Massachusetts 2018-2019. HF344
- Linking Community Dynamics and Ecosystem Function at Harvard Forest 1996-2000. HF035
- Litter Decomposition in Response to Nitrogen Addition and Soil Warming at Harvard Forest 2010-2012. HF218
- Long-Term Decomposition Plots at Harvard Forest 1990-2009. HF050
- Long-Term Impacts of the Hemlock Woolly Adelgid on Forest Carbon at Harvard Forest 2008-2011. HF257
- Microbial, Plant, and Soil Impacts on Soil Nutrient Cycling in Harvard Forest and Greater Boston 2021-2022. HF456
- Nitrogen Deposition and Pitcher Plant Morphology in Massachusetts and Vermont 1998-1999. HF330
- Organic and Inorganic Nitrogen Uptake by Sarracenia Purpurea at Harvard Forest and Fort Albany ON 2007. HF146
- Phenology and Carbon Allocation of Roots at Harvard Forest 2011-2013. HF278
- Prospect Hill Soil Warming Experiment at Harvard Forest since 1991. HF005
- Proteolytic Enzyme Activity in Temperate Forest Soils at Harvard Forest and Pisgah State Forest 2007-2010. HF180
- Radiocarbon Measurements at Harvard Forest 1996-2010. HF212
- Red-backed Salamanders as Indicators of Hemlock Forest Health at Harvard Forest 2014. HF292
- Root Exudation Simulation Experiment in a Red Oak Stand at Harvard Forest 2011. HF255
- Root and Mycorrhizal Respiration at Harvard Forest Soil Warming Experiments 2007-2008. HF171
- Short-Term Effects on Vegetation in Soil Warming Plus Nitrogen Addition Experiment at Harvard Forest 2006. HF163
- Soil Carbon and Nitrogen at the Harvard Farm at Harvard Forest since 2015. HF343
- Soil Carbon in a Hemlock Stand Infected by Hemlock Woolly Adelgid at Harvard Forest since 2015. HF293
- Soil Characteristics in the Clearcut Site at Harvard Forest 2012. HF227
- Soil Chemistry and Moisture in Macrosystems Biodiversity Project at Harvard Forest 2012. HF261
- Soil Properties in CRUI Land Use Project at Harvard Forest 1995-1998. HF143
- Soil Warming Plus Nitrogen Addition Experiment at Harvard Forest since 2006. HF045
- Stoichiometry of Bogs and Bog Plants in Massachusetts and Vermont 2002. HF329
- Synthesis of Sarracenia Research in North America 1982-2018. HF340
- Trace Gas Fluxes and Soil N Dynamics in Simulated Hurricane Experiment at Harvard Forest 1989-1991. HF052
- Water Chemistry and Well Levels at Upper Bigelow Brook, Harvard Forest 2009-2010. HF240