Positions

Selected Publications

Academic Article

Year Title
2024 Unexpected sustained soil carbon flux in response to simultaneous warming and nitrogen enrichment compared with single factors alone.Nature Ecology and Evolution2024
2023 Early warning signals of changing resilience in the biogeochemistry and biology of a northern hardwood forestEnvironmental Research Letters.  18:094052-094052. 2023
2022 Climate consequences of temperate forest conversion to open pasture or silvopastureAgriculture, Ecosystems and Environment.  333:Not-Available. 2022
2022 Initial soil conditions outweigh management in a cool-season dairy farm's carbon sequestration potential.Science of the Total Environment.  809:152195. 2022
2020 Snowmelt control on spring hydrology declines as the vernal window lengthensEnvironmental Research Letters.  15:114040-114040. 2020
2020 Defining frigid winter illuminates its loss across seasonally snow-covered areas of eastern North AmericaEnvironmental Research Letters.  15:034020-034020. 2020
2020 Divergent carbon cycle response of forest and grass-dominated northern temperate ecosystems to record winter warming.Global Change Biology.  26:1519-1531. 2020
2019 Winter Weather Whiplash: Impacts of Meteorological Events Misaligned With Natural and Human Systems in Seasonally Snow-Covered RegionsEarth's Future.  7:1434-1450. 2019
2019 Northern forest winters have lost cold, snowy conditions that are important for ecosystems and human communities.Ecological Applications.  29:e01974. 2019
2019 Long-Term Measurements of Methane Ebullition From Thaw PondsJournal of Geophysical Research Biogeosciences.  124:2208-2221. 2019
2018 Minerals in the rhizosphere: overlooked mediators of soil nitrogen availability to plants and microbesBiogeochemistry: an international journal.  139:103-122. 2018
2018 To mow or to mow less: Lawn mowing frequency affects bee abundance and diversity in suburban yardsBiological Conservation.  221:160-174. 2018
2017 A longer vernal window: the role of winter coldness and snowpack in driving spring transitions and lags.Global Change Biology.  23:1610-1625. 2017
2016 Winter soil respiration in a humid temperate forest: The roles of moisture, temperature, and snowpackJournal of Geophysical Research Biogeosciences.  121:3072-3088. 2016
2015 Soil microbial communities vary as much over time as with chronic warming and nitrogen additionsSoil Biology and Biochemistry.  88:19-24. 2015
2013 Soil respiration does not acclimatize to warmer temperatures when modeled over seasonal timescalesBiogeochemistry: an international journal.  112:555-570. 2013
2011 Seasonal dynamics of soil respiration and N mineralization in chronically warmed and fertilized soilsEcosphere.  2:art36-art36. 2011
2008 Stoichiometry of soil enzyme activity at global scale.Ecology Letters.  11:1252-1264. 2008

Teaching Activities

  • Arctic Research Methods I Taught course 2024
  • Intro to Environmental Science Taught course 2024
  • Arctic Research Methods I Taught course 2023
  • Arctic Research Methods I Taught course 2023
  • Biogeochemistry Taught course 2023
  • Arctic Research Methods II Taught course 2022 - 2023
  • Studio Soils Taught course 2022
  • Biogeosci Earth System Taught course 2020
  • Studio Soils Taught course 2015
  • Studio Soils Taught course 2015
  • Studio Soils Taught course 2015
  • Education And Training

  • B.A. French, Villanova University
  • B.A. Philosophy, Villanova University
  • M.S. Conservation Biology, Antioch New England
  • Ph.D. Environmental Science, University of New Hampshire
  • Full Name

  • Alexandra Contosta