All Stories

  1. Subdaily variations in nitrous oxide fluxes from the littoral zone of a temperate eutrophic lake

    Article • Inland Waters, August 2025, Taylor & Francis

    Hirohiko Nagano

  2. Estimation of microbial biomass based on water-extractable organic matter from air-dried soils from Japanese forests and pasture

    Article • Discover Soil, April 2025, Springer Science + Business Media

    Hirohiko Nagano

  3. Comprehensive increase in CO2 release by drying–rewetting cycles among Japanese forests and pastureland soils and exploring predictors of increasing magnitude

    Article • SOIL, January 2025, Copernicus GmbH

    Hirohiko Nagano

  4. Anomalous wet summers and rising atmospheric CO 2 concentrations increase the CO 2 sink in a poorly drained forest on permafrost

    Article • Proceedings of the National Academy of Sciences, October 2024, Proceedings of the National Academy of Sciences

    Hirohiko Nagano

  5. Sub-daily Variations in Nitrous Oxide Fluxes from the Littoral Zone of a Temperate Eutrophic Lake

    Article • May 2024, Wiley

    Hirohiko Nagano

  6. Interannual Variations in Spring Snowmelt Timing of Alaskan Black Spruce Forests Using a Bulk‐Surface Energy Balance Approach

    Article • Water Resources Research, May 2024, American Geophysical Union (AGU)

    Hirohiko Nagano

  7. Comprehensive increase in CO2 release by drying-rewetting cycles among Japanese forests and pastureland soils and exploring predictors of increasing magnitude

    Article • April 2024, Copernicus GmbH

    Hirohiko Nagano

  8. Supplementary material to "Comprehensive increase in CO2 release by drying-rewetting cycles among Japanese forests and pastureland soils and exploring predictors of increasing magnitude"

    Article • April 2024, Copernicus GmbH

    Hirohiko Nagano

  9. Sequential loss-on-ignition as a simple method for evaluating the stability of soil organic matter under actual environmental conditions

    Article • Environmental Research, December 2023, Elsevier

    Hirohiko Nagano

  10. Stable C and N isotope abundances in water-extractable organic matter from air-dried soils as potential indices of microbially utilized organic matter

    Article • Frontiers in Forests and Global Change, July 2023, Frontiers

    Hirohiko Nagano

  11. Atmospheric ammonia deposition and its role in a cool-temperate fragmented deciduous broad-leaved forest

    Article • Atmospheric Environment, April 2023, Elsevier

    Hirohiko Nagano

  12. Contrasting 20-year trends in NDVI at two Siberian larch forests with and without multiyear waterlogging-induced disturbances

    Article • Environmental Research Letters, January 2022, Institute of Physics Publishing

    Hirohiko Nagano

  13. Evaluation of the Relationship Between Ground Observed fPAR and Sentinel-2 Derived Vegetation Index in Four Japanese Temperate Forests

    Article • October 2021, Wiley

    Hirohiko Nagano

  14. Soil microbial community responding to moderately elevated nitrogen deposition in a Japanese cool temperate forest surrounded by fertilized grasslands

    Article • Soil Science & Plant Nutrition, September 2021, Taylor & Francis

    Hirohiko Nagano

  15. Expansion of Agriculture in Northern Cold-Climate Regions: A Cross-Sectoral Perspective on Opportunities and Challenges

    Article • Frontiers in Sustainable Food Systems, July 2021, Frontiers

    Adrian Unc, Hirohiko Nagano

  16. Soil microbial community responding to moderately elevated nitrogen deposition in a Japanese cool temperate forest surrounded by fertilized grasslands

    Article • February 2021, Springer Science + Business Media

    Hirohiko Nagano

  17. Dynamic Mapping of Subarctic Surface Water by Fusion of Microwave and Optical Satellite Data Using Conditional Adversarial Networks

    Article • Remote Sensing, January 2021, MDPI AG

    Hirohiko Nagano

  18. Does Soil Microbial Community Respond to Moderately Elevated Nitrogen Deposition? A Correlation Analysis in a Cool Temperate Forest Surrounded by Pasture Grasslands in Northern Japan

    Article • July 2020, Springer Science + Business Media

    Hirohiko Nagano

  19. Carbon dioxide balance in early-successional forests after forest fires in interior Alaska

    Article • Agricultural and Forest Meteorology, September 2019, Elsevier

    Hirohiko Nagano

  20. Effect of dry-wet cycles on carbon dioxide release from two different volcanic ash soils in a Japanese temperate forest

    Article • Soil Science & Plant Nutrition, August 2019, Taylor & Francis

    Hirohiko Nagano

  21. Laboratory examination of greenhouse gaseous and microbial dynamics during thawing of frozen soil core collected from a black spruce forest in Interior Alaska

    Article • Soil Science & Plant Nutrition, October 2018, Taylor & Francis

    Hirohiko Nagano

  22. Links between annual surface temperature variation and land cover heterogeneity for a boreal forest as characterized by continuous, fibre-optic DTS monitoring

    Article • Geoscientific Instrumentation Methods and Data Systems, July 2018, Copernicus GmbH

    Hirohiko Nagano

  23. In Situ Observations Reveal How Spectral Reflectance Responds to Growing Season Phenology of an Open Evergreen Forest in Alaska

    Article • Remote Sensing, July 2018, MDPI AG

    Hirohiko Nagano

  24. 8 million phenological and sky images from 29 ecosystems from the Arctic to the tropics: the Phenological Eyes Network

    Article • Ecological Research, June 2018, Springer Science + Business Media

    Hirohiko Nagano, Dr Taro Nakai

  25. Links between annual surface temperature variation and land cover heterogeneity for a boreal forest as characterized by continuous, fibre-optic DTS monitoring

    Article • March 2018, Copernicus GmbH

    Hirohiko Nagano

  26. Extremely dry environment down-regulates nighttime respiration of a black spruce forest in Interior Alaska

    Article • Agricultural and Forest Meteorology, February 2018, Elsevier

    Hirohiko Nagano, Dr Taro Nakai

  27. Leaf- and ecosystem-scale photosynthetic parameters for the overstory and understory of boreal forests in interior Alaska

    Article • Journal of Agricultural Meteorology, January 2018, Society of Agricultural Meteorology of Japan

    Hirohiko Nagano

  28. Evaluating the relationship between wildfire extent and nitrogen dry deposition in a boreal forest in interior Alaska

    Article • Polar Science, March 2017, Elsevier

    Hirohiko Nagano

  29. Microbial Biomass and Functions in Paddy Soil

    Article • February 2017, World Scientific Pub Co Pte Lt

    Hirohiko Nagano

  30. Latitudinal gradient of spruce forest understory and tundra phenology in Alaska as observed from satellite and ground-based data

    Article • Remote Sensing of Environment, May 2016, Elsevier

    Hirohiko Nagano

  31. Optimization of a biochemical model with eddy covariance measurements in black spruce forests of Alaska for estimating CO2 fertilization effects

    Article • Agricultural and Forest Meteorology, May 2016, Elsevier

    Hirohiko Nagano, Dr Taro Nakai

  32. Carbon and nitrogen compounds and emission of greenhouse gases in ancient and modern soils of the Arkaim Reserve in the Steppe Trans-Ural Region

    Article • Eurasian Soil Science, December 2015, Pleiades Publishing Ltd

    Hirohiko Nagano

  33. Methane exchange in a poorly-drained black spruce forest over permafrost observed using the eddy covariance technique

    Article • Agricultural and Forest Meteorology, December 2015, Elsevier

    Hirohiko Nagano

  34. Understory CO2, sensible heat, and latent heat fluxes in a black spruce forest in interior Alaska

    Article • Agricultural and Forest Meteorology, December 2015, Elsevier

    Hirohiko Nagano, Dr Taro Nakai

  35. Temperature regimes and turbulent heat fluxes across a heterogeneous canopy in an Alaskan boreal forest

    Article • Journal of Geophysical Research Atmospheres, February 2015, American Geophysical Union (AGU)

    Hirohiko Nagano

  36. Does summer warming reduce black spruce productivity in interior Alaska?

    Article • Journal of Forest Research, February 2015, Taylor & Francis

    Hirohiko Nagano

  37. Effects of water vapor dilution on trace gas flux, and practical correction methods

    Article • Journal of Agricultural Meteorology, January 2015, Society of Agricultural Meteorology of Japan

    Hirohiko Nagano, Dr Taro Nakai

  38. Effects of land-use type and nitrogen addition on nitrous oxide and carbon dioxide production potentials in Japanese Andosols

    Article • Soil Science & Plant Nutrition, October 2013, Taylor & Francis

    Yuhua Kong, Hirohiko Nagano

  39. Soils, vegetation, and climate of the southern Transural region in the Middle Bronze Age (by the example of the Arkaim fortress)

    Article • Eurasian Soil Science, September 2013, Pleiades Publishing Ltd

    Hirohiko Nagano

  40. CO2, N2O and CH4production/consumption potentials of soils under different land-use types in central Japan and eastern Hungary

    Article • Soil Science & Plant Nutrition, June 2013, Taylor & Francis

    Yuhua Kong, Hirohiko Nagano

  41. Emissions of carbon dioxide, methane, and nitrous oxide from short- and long-term organic farming Andosols in central Japan

    Article • Soil Science & Plant Nutrition, December 2012, Taylor & Francis

    Hirohiko Nagano

  42. Carbon and nitrogen contents and greenhouse gas fluxes of the Eurasian steppe soils with different land-use histories located in the Arkaim museum reserve of South Ural, Russia

    Article • Soil Science & Plant Nutrition, April 2012, Taylor & Francis

    Hirohiko Nagano