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Dag O. Hessen

Dag O. Hessen

D-Index & Metrics

Ecology and Evolution

D-Index
78
Citations
25393
World Ranking
907
National Ranking
14

Overview

Dag O. Hessen is affiliated with the University of Oslo in Norway and has focused their research primarily in Environmental Science and Earth and Planetary Sciences. Their work spans across several subfields including Oceanography, Ecology, Environmental Chemistry, Global and Planetary Change, and Atmospheric Science.

The main topics covered in Hessen's research include:

  • Marine and coastal ecosystems
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Soil and Water Nutrient Dynamics
  • Microbial Community Ecology and Physiology
  • Isotope Analysis in Ecology
  • Fish Ecology and Management Studies
  • Atmospheric and Environmental Gas Dynamics

Several recent papers illustrate the range of Hessen's scientific contributions:

  • "Evaluating global and regional land warming trends in the past decades with both MODIS and ERA5-Land land surface temperature data," 2022, Remote Sensing of Environment
  • "Climate change drives widespread shifts in lake thermal habitat," 2021, Nature Climate Change
  • "Deeper waters are changing less consistently than surface waters in a global analysis of 102 lakes," 2020, Scientific Reports
  • "The role of photomineralization for CO2 emissions in boreal lakes along a gradient of dissolved organic matter," 2020, Limnology and Oceanography
  • "Geometric Stoichiometry: Unifying Concepts of Animal Nutrition to Understand How Protein-Rich Diets Can Be 'Too Much of a Good Thing'," 2020, Frontiers in Ecology and Evolution

Frequent collaborators in Hessen's research include:

  • Tom Andersen
  • Alexander Eiler
  • Jing Wei
  • Peter D. F. Isles
  • Peter Dörsch

Hessen's work has been published repeatedly in several notable venues such as:

  • SSRN Electronic Journal
  • The Science of The Total Environment
  • Global Change Biology
  • Naturen
  • Limnology and Oceanography Letters

Overall, Hessen contributes to the understanding of environmental and ecological processes with a significant emphasis on aquatic ecosystems and the effects of climate and environmental change at regional and global scales. Their published research integrates various analytical approaches to explore nutrient dynamics, gas emissions, and ecological stoichiometry relevant to both marine and freshwater systems.

Best Publications

  • Lakes as sentinels of climate change

    Rita Adrian;Catherine M. O'Reilly;Horacio Zagarese;Stephen B. Baines

  • Managing nitrogen to restore water quality in China

    ChaoQing Yu;Xiao Huang;Han Chen;H. Charles J. Godfray

  • Shifts in Lake N:P Stoichiometry and Nutrient Limitation Driven by Atmospheric Nitrogen Deposition

    James J. Elser;Tom Andersen;Jill S. Baron;Ann Kristin Bergström

  • Algal nutrient limitation and the nutrition of aquatic herbivores

    Robert W. Sterner;Dag O. Hessen

  • Carbon, nitrogen, and phosphorus content of freshwater zooplankton

    Tom Andersen;Dag O. Hessen

  • CARBON SEQUESTRATION IN ECOSYSTEMS: THE ROLE OF STOICHIOMETRY

    Dag O. Hessen;Göran I. Ågren;Thomas R. Anderson;James J. Elser

  • Consequences of changing sea-ice cover for primary and secondary producers in the European Arctic shelf seas: Timing, quantity, and quality

    E. Leu;J.E. Søreide;D.O. Hessen;S. Falk-Petersen;S. Falk-Petersen

  • The Impact of Nutrient State and Lake Depth on Top-down Control in the Pelagic Zone of Lakes: A Study of 466 Lakes from the Temperate Zone to the Arctic

    Erik Jeppesen;Jens Peder Jensen;Claus Jensen;Bjørn Faafeng

  • Current Browning of Surface Waters Will Be Further Promoted by Wetter Climate

    Heleen A. de Wit;Salar Valinia;Gesa A Weyhenmeyer;Martyn N. Futter

  • Ecological stoichiometry: An elementary approach using basic principles

    Dag O. Hessen;James J. Elser;Robert W. Sterner;Jotaro Urabe

  • Global change-driven effects on dissolved organic matter composition : Implications for food webs of northern lakes

    Irena F. Creed;Ann Kristin Bergström;Charles G. Trick;Nancy B. Grimm

  • Morphological changes in Scenedesmus induced by substances released from Daphnia

    D.O. Hessen;E. van Donk

  • Stoichiometric relationships among producers, consumers and nutrient cycling in pelagic ecosystems

    Robert W. Sterner;James J. Elser;Dag O. Hessen

  • Climate change predicted to cause severe increase of organic carbon in lakes

    Søren Larsen;Tom Andersen;Dag O. Hessen

  • Nutrient element limitation of zooplankton production

    Dag O. Hessen

  • Scale-dependent carbon:nitrogen:phosphorus seston stoichiometry in marine and freshwaters

    Robert W. Sterner;Tom Andersen;James J. Elser;Dag O. Hessen

  • Stoichiometry and population dynamics

    Tom Andersen;James J. Elser;Dag O. Hessen

  • Altered cell wall morphology in nutrient‐deficient phytoplankton and its impact on grazers

    E. Van Donk;M. LÜrling;D. O. Hessen;G. M. Lokhorst

  • LIGHT, NUTRIENTS, AND P:C RATIOS IN ALGAE: GRAZER PERFORMANCE RELATED TO FOOD QUALITY AND QUANTITY

    Dag O. Hessen;Per J. Færøvig;Tom Andersen

  • Metabolic Stoichiometry and the Fate of Excess Carbon and Nutrients in Consumers

    Thomas R. Anderson;Dag O. Hessen;James J. Elser;Jotaro Urabe

  • Aquatic humic substances : ecology and biogeochemistry

    D. O. Hessen;L. J. Tranvik

Frequent Co-Authors

Tom Andersen
Tom Andersen University of Oslo
James J. Elser
James J. Elser University of Montana
Thomas R. Anderson
Thomas R. Anderson National Oceanography Centre
Kirsten Christoffersen
Kirsten Christoffersen University of Copenhagen
Stig Falk-Petersen
Stig Falk-Petersen University of Tromsø - The Arctic University of Norway
Lawrence J. Weider
Lawrence J. Weider University of Oklahoma
Rita Adrian
Rita Adrian Freie Universität Berlin
Richard G. J. Bellerby
Richard G. J. Bellerby East China Normal University
Heleen A. de Wit
Heleen A. de Wit Norwegian Institute for Water Research
Hans Petter Leinaas
Hans Petter Leinaas University of Oslo

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