World's Best Scientists 2026 revealed!
Shigenobu Takeda

Shigenobu Takeda

D-Index & Metrics

Earth Science

D-Index
39
Citations
8448
World Ranking
6015
National Ranking
162

Overview

Shigenobu Takeda is affiliated with Nagasaki University in Japan and has contributed extensively to the fields of Earth and Planetary Sciences and Environmental Science. The primary focus of their research lies within the subfields of Oceanography, Ecology, Health, Toxicology and Mutagenesis, Atmospheric Science, and Environmental Chemistry.

The main topics covered in their work include:

  • Marine and coastal ecosystems
  • Marine Biology and Ecology Research
  • Microbial Community Ecology and Physiology
  • Mercury impact and mitigation studies
  • Oceanographic and Atmospheric Processes
  • Atmospheric chemistry and aerosols
  • Atmospheric and Environmental Gas Dynamics

Takeda has published multiple papers, with notable works including:

  • "Subpolar marginal seas fuel the North Pacific through the intermediate water at the termination of the global ocean circulation," 2020, Proceedings of the National Academy of Sciences
  • "Distinct profiles of size-fractionated iron-binding ligands between the eastern and western subarctic Pacific," 2021, Scientific Reports
  • "Phytoplankton Distributions in the Kuroshio-Oyashio Region of the Northwest Pacific Ocean: Implications for Marine Ecology and Carbon Cycle," 2022, Frontiers in Marine Science
  • "Nitrogen burden from atmospheric deposition in East Asian oceans in 2010 based on high-resolution regional numerical modeling," 2021, Environmental Pollution
  • "Photodecomposition of natural organic metal-binding ligands from deep seawater," 2021, Marine Chemistry

The frequent publication venues for their research include Marine Chemistry, Environmental Pollution, Microbiology Spectrum, Estuarine Coastal and Shelf Science, and Journal of Oceanography.

Takeda has collaborated frequently with several researchers, including:

  • M. Sato
  • Hajime Obata
  • Takuhei Shiozaki
  • Ken Furuya
  • Yoshiko Kondo

This body of work contributes to the understanding of marine ecosystem dynamics, biogeochemical cycles, and atmospheric interactions, reflecting a multidisciplinary approach that spans oceanographic and environmental science disciplines. The research outputs also highlight the role of various chemical and biological processes affecting marine environments, which have implications for broader ecological and environmental modeling efforts.

Best Publications

  • Mesoscale iron enrichment experiments 1993-2005 : Synthesis and future directions

    P. W. Boyd;T. Jickells;C. S. Law;S. Blain

  • Influence of iron availability on nutrient consumption ratio of diatoms in oceanic waters

    Shigenobu Takeda

  • A mesoscale iron enrichment in the western subarctic Pacific induces a large centric diatom bloom.

    Atsushi Tsuda;Shigenobu Takeda;Hiroaki Saito;Jun Nishioka

  • The decline and fate of an iron-induced subarctic phytoplankton bloom

    Philip W. Boyd;Cliff S. Law;C.S. Wong;Yukihiro Nojiri

  • Comparison of factors controlling phytoplankton productivity in the NE and NW subarctic Pacific gyres

    P.J. Harrison;P.W. Boyda;D.E. Varela;S. Takeda

  • Iron supply to the western subarctic Pacific: Importance of iron export from the Sea of Okhotsk

    Jun Nishioka;Jun Nishioka;Tsuneo Ono;Hiroaki Saito;Takeshi Nakatsuka

  • Ocean iron fertilization-Moving forward in a sea of uncertainty

    Ken O. Buesseler;Scott C. Doney;David M. Karl;Philip W. Boyd

  • Size-fractionated iron concentrations in the northeast Pacific Ocean : distribution of soluble and small colloidal iron

    J Nishioka;S Takeda;C.S Wong;W.K Johnson

  • Ocean fertilization for geoengineering: A review of effectiveness, environmental impacts and emerging governance

    Phillip Williamson;Douglas W.R. Wallace;Cliff S. Law;Philip W. Boyd

  • The evolution and termination of an iron-induced mesoscale bloom in the northeast subarctic Pacific

    Philip W. Boyd;Robert Strzepek;Shigenobu Takeda;George Jackson

  • Basin scale variability of active diazotrophs and nitrogen fixation in the North Pacific, from the tropics to the subarctic Bering Sea

    Takuhei Shiozaki;Takuhei Shiozaki;Deniz Bombar;Lasse Riemann;Fuminori Hashihama

  • New estimation of N2 fixation in the western and central Pacific Ocean and its marginal seas

    Takuhei Shiozaki;Ken Furuya;Taketoshi Kodama;Satoshi Kitajima

  • Latitudinal distribution of diazotrophs and their nitrogen fixation in the tropical and subtropical western North Pacific

    Satoshi Kitajima;Ken Furuya;Fuminori Hashihama;Shigenobu Takeda

  • Distribution of the cyanobacterium Richelia intracellularis as an epiphyte of the diatom Chaetoceros compressus in the western Pacific Ocean

    Fernando Gómez;Ken Furuya;Shigenobu Takeda

  • Macro-scale exhaustion of surface phosphate by dinitrogen fixation in the western North Pacific

    Fuminori Hashihama;Ken Furuya;Satoshi Kitajima;Shigenobu Takeda

  • Iron regeneration and organic iron(III)-binding ligand production during in situ zooplankton grazing experiment

    Mitsuhide Sato;Shigenobu Takeda;Ken Furuya

  • Evidence for the grazing hypothesis: Grazing reduces phytoplankton responses of the HNLC ecosystem to iron enrichment in the western subarctic pacific (SEEDS II)

    Atsushi Tsuda;Shigenobu Takeda;Hiroaki Saito;Jun Nishioka

  • Heterotrophic bacteria as major nitrogen fixers in the euphotic zone of the Indian Ocean

    Takuhei Shiozaki;Minoru Ijichi;Taketoshi Kodama;Taketoshi Kodama;Shigenobu Takeda

  • Significant portion of dissolved organic Fe complexes in fact is Fe colloids

    Marie Boye;Jun Nishioka;Peter Croot;Patrick Laan

  • Subpolar marginal seas fuel the North Pacific through the intermediate water at the termination of the global ocean circulation.

    Jun Nishioka;Hajime Obata;Hiroshi Ogawa;Kazuya Ono

  • Distributions of particulate and dissolved organic and inorganic phosphorus in North Pacific surface waters

    Takeshi Yoshimura;Jun Nishioka;Hiroaki Saito;Shigenobu Takeda

Frequent Co-Authors

Ken Furuya
Ken Furuya Soka University
Jun Nishioka
Jun Nishioka Hokkaido University
Atsushi Tsuda
Atsushi Tsuda University of Tokyo
Hajime Obata
Hajime Obata University of Tokyo
Hiroaki Saito
Hiroaki Saito University of Tokyo
Philip W. Boyd
Philip W. Boyd University of Tasmania
Yukihiro Nojiri
Yukihiro Nojiri National Institute for Environmental Studies
Peter Croot
Peter Croot University of Galway
Cliff S. Law
Cliff S. Law National Institute of Water and Atmospheric Research
Maurice Levasseur
Maurice Levasseur Université Laval

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring Earth Science opens doors to diverse career pathways that extend beyond traditional fields. For instance, creative professionals may find value in the online photography degrees that complement environmental documentation and visual communication. Those interested can explore options such as photography colleges online to develop skills that enhance scientific storytelling.

Veterans looking to transition into Earth Science or related disciplines can benefit from tailored programs. Understanding where to find the best online photography degree programs for veterans can create unique opportunities by merging military experience with environmental research and outreach.

Language proficiency often plays a critical role in global scientific collaboration. Pursuing a bachelors in spanish online can open paths for careers in environmental policy, education, or international research, especially in Spanish-speaking countries.

For military personnel interested in language and science, identifying best military friendly online spanish degrees offers flexible options to deepen linguistic skills while pursuing Earth Science-related goals. These interdisciplinary degrees encourage adaptability and broaden career horizons.

Best Scientists Citing Shigenobu Takeda

Trending Scientists