Nitrogen oligotrophication in northern hardwood forests

Winter soil freeze-thaw cycles lead to reductions in soil microbial biomass and activity not compensated for by soil warming

(2018) Patrick O. Sorensen et al.   SOIL BIOLOGY & BIOCHEMISTRY

Is nitrogen the next carbon?

(2017) William Battye et al.   Earths Future

Long-term temporal trends and spatial patterns in the acid-base chemistry of lakes in the Adirondack region of New York in response to decreases in acidic deposition

(2016) Charles T. Driscoll et al.   ATMOSPHERIC ENVIRONMENT

Contrasting effects of winter snowpack and soil frost on growing season microbial biomass and enzyme activity in two mixed-hardwood forests

(2016) Patrick O. Sorensen et al.   BIOGEOCHEMISTRY

Nitrate and dissolved organic carbon mobilization in response to soil freezing variability

(2016) Colin B. Fuss et al.   BIOGEOCHEMISTRY

Unprecedented decrease in deposition of nitrogen oxides over North America: the relative effects of emission controls and prevailing air-mass trajectories

(2016) Javier Lloret et al.   BIOGEOCHEMISTRY

Fine root biomass declined in response to restoration of soil calcium in a northern hardwood forest

(2016) Timothy J. Fahey et al.   CANADIAN JOURNAL OF FOREST RESEARCH

Reduced snow cover alters root-microbe interactions and decreases nitrification rates in a northern hardwood forest

(2016) Patrick O. Sorensen et al.   ECOLOGY

Global patterns and substrate-based mechanisms of the terrestrial nitrogen cycle

(2016) Shuli Niu et al.   ECOLOGY LETTERS

Nitrogen cycles in terrestrial ecosystems: climate change impacts and mitigation

(2016) Zhenzhu Xu et al.   ENVIRONMENTAL REVIEWS

Physiological and ecological factors influencing recent trends in United States forest health responses to climate change

(2016) Craig Loehle et al.   FOREST ECOLOGY AND MANAGEMENT

Hydrologic flowpaths during snowmelt in forested headwater catchments under differing winter climatic and soil frost regimes

(2016) Colin B. Fuss et al.   HYDROLOGICAL PROCESSES

The Snow Must Go On: Ground Ice Encasement, Snow Compaction and Absence of Snow Differently Cause Soil Hypoxia, CO2 Accumulation and Tree Seedling Damage in Boreal Forest

(2016) Françoise Martz et al.   PLoS One

Acid rain mitigation experiment shifts a forested watershed from a net sink to a net source of nitrogen

(2016) Emma J. Rosi-Marshall et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Recent pause in the growth rate of atmospheric CO2 due to enhanced terrestrial carbon uptake

(2016) Trevor F Keenan et al.   Nature Communications

Nitrogen cycles in terrestrial ecosystems: climate change impacts and mitigation

(2016) Zhenzhu Xu et al.   ENVIRONMENTAL REVIEWS

Climate change decreases nitrogen pools and mineralization rates in northern hardwood forests

(2016) Jorge Durán et al.   Ecosphere

Annual soil CO2 efflux in a cold temperate forest in northeastern China: effects of winter snowpack and artificial nitrogen deposition

(2016) Boqi Liu et al.   Scientific Reports

Soil nitrogen affects phosphorus recycling: foliar resorption and plant–soil feedbacks in a northern hardwood forest

(2015) Craig R. See et al.   ECOLOGY

Effects of Calcium on the Rate and Extent of Litter Decomposition in a Northern Hardwood Forest

(2015) Gary M. Lovett et al.   ECOSYSTEMS

Soil Denitrification Fluxes in a Northern Hardwood Forest: The Importance of Snowmelt and Implications for Ecosystem N Budgets

(2015) Jennifer L. Morse et al.   ECOSYSTEMS

Proton and Aluminum Binding Properties of Organic Acids in Surface Waters of the Northeastern U.S.

(2015) Habibollah Fakhraei et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Recovery from chronic and snowmelt acidification: Long-term trends in stream and soil water chemistry at the Hubbard Brook Experimental Forest, New Hampshire, USA

(2015) Colin B. Fuss et al.   Journal of Geophysical Research-Biogeosciences

Winter climate change affects growing-season soil microbial biomass and activity in northern hardwood forests

(2014) Jorge Durán et al.   GLOBAL CHANGE BIOLOGY

Increased nitrogen leaching following soil freezing is due to decreased root uptake in a northern hardwood forest

(2014) John L. Campbell et al.   GLOBAL CHANGE BIOLOGY

Soil denitrification fluxes from three northeastern North American forests across a range of nitrogen deposition

(2014) Jennifer L. Morse et al.   OECOLOGIA

Isotopic signals of summer denitrification in a northern hardwood forested catchment

(2014) Sarah K. Wexler et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Soil Chemical Dynamics after Calcium Silicate Addition to a Northern Hardwood Forest

(2014) Chris E. Johnson et al.   SOIL SCIENCE SOCIETY OF AMERICA JOURNAL

Net carbon uptake has increased through warming-induced changes in temperate forest phenology

(2014) Trevor F. Keenan et al.   Nature Climate Change

Searching for biogeochemical hot spots in three dimensions: Soil C and N cycling in hydropedologic settings in a northern hardwood forest

(2014) J. L. Morse et al.   Journal of Geophysical Research-Biogeosciences

Surface Water Quality Is Improving due to Declining Atmospheric N Deposition

(2013) Keith N. Eshleman et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

From Missing Source to Missing Sink: Long-Term Changes in the Nitrogen Budget of a Northern Hardwood Forest

(2013) Ruth D. Yanai et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Restoring Soil Calcium Reverses Forest Decline

(2013) John J. Battles et al.   Environmental Science & Technology Letters

Long-Term Integrated Studies Show Complex and Surprising Effects of Climate Change in the Northern Hardwood Forest

(2012) Peter M. Groffman et al.   BIOSCIENCE

Watershed-Level Responses to Calcium Silicate Treatment in a Northern Hardwood Forest

(2012) Youngil Cho et al.   ECOSYSTEMS

Nitrogen Translocation to Fresh Litter in Northern Hardwood Forest

(2012) Ang Li et al.   ECOSYSTEMS

Dilution and the Elusive Baseline

(2012) Gene E. Likens et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Influence of experimental snow removal on root and canopy physiology of sugar maple trees in a northern hardwood forest

(2012) Daniel P. Comerford et al.   OECOLOGIA

Complex response of the forest nitrogen cycle to climate change

(2012) S. Bernal et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Calcium constrains plant control over forest ecosystem nitrogen cycling

(2011) Peter M. Groffman et al.   ECOLOGY

Forest productivity under elevated CO2 and O3: positive feedbacks to soil N cycling sustain decade-long net primary productivity enhancement by CO2

(2011) Donald R. Zak et al.   ECOLOGY LETTERS

Increases in the flux of carbon belowground stimulate nitrogen uptake and sustain the long-term enhancement of forest productivity under elevated CO2

(2011) John E. Drake et al.   ECOLOGY LETTERS

Sources of increased N uptake in forest trees growing under elevated CO2: results of a large-scale 15N study

(2011) Kirsten S. Hofmockel et al.   GLOBAL CHANGE BIOLOGY

Major changes in forest carbon and nitrogen cycling caused by declining sulphur deposition

(2011) Filip Oulehle et al.   GLOBAL CHANGE BIOLOGY

Soil warming, carbon-nitrogen interactions, and forest carbon budgets

(2011) J. M. Melillo et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Severe soil frost reduces losses of carbon and nitrogen from the forest floor during simulated snowmelt: A laboratory experiment

(2011) Andrew B. Reinmann et al.   SOIL BIOLOGY & BIOCHEMISTRY

Minimal response in watershed nitrate export to severe soil frost raises questions about nutrient dynamics in the Hubbard Brook experimental forest

(2010) Kristin E. Judd et al.   BIOGEOCHEMISTRY

Enhanced root exudation induces microbial feedbacks to N cycling in a pine forest under long-term CO2 fumigation

(2010) Richard P. Phillips et al.   ECOLOGY LETTERS

Coordinated approaches to quantify long-term ecosystem dynamics in response to global change

(2010) YIQI LUO et al.   GLOBAL CHANGE BIOLOGY

Influence of spring and autumn phenological transitions on forest ecosystem productivity

(2010) A. D. Richardson et al.   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Climate Variation and Soil Carbon and Nitrogen Cycling Processes in a Northern Hardwood Forest

(2009) Peter M. Groffman et al.   ECOSYSTEMS

Is the Composition of Dissolved Organic Carbon Changing in Upland Acidic Streams?

(2009) Julian J. C. Dawson et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Effects of soil freezing on fine roots in a northern hardwood forest

(2008) Natalie L. Cleavitt et al.   CANADIAN JOURNAL OF FOREST RESEARCH

NITROGEN LIMITATION OF NET PRIMARY PRODUCTIVITY IN TERRESTRIAL ECOSYSTEMS IS GLOBALLY DISTRIBUTED

(2008) David S. LeBauer et al.   ECOLOGY

Towards a predictive understanding of belowground process responses to climate change: have we moved any closer?

(2008) Elise Pendall et al.   FUNCTIONAL ECOLOGY

Transformation of the Nitrogen Cycle: Recent Trends, Questions, and Potential Solutions

(2008) J. N. Galloway et al.   SCIENCE