World's Best Scientists 2026 revealed!
Jan Jacob Keizer

Jan Jacob Keizer

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Earth Science
Portugal
2026

D-Index & Metrics

Earth Science

D-Index
57
Citations
8896
World Ranking
2331
National Ranking
1

Research.com Recognitions

  • 2026 - Research.com Earth Science in Portugal Leader Award
  • 2025 - Research.com Earth Science in Portugal Leader Award

Overview

Jan Jacob Keizer is affiliated with the University of Aveiro in Portugal. Their research primarily lies within the fields of Environmental Science and Agricultural and Biological Sciences. Within these fields, Keizer has a focused involvement in several subfields, including Global and Planetary Change, Soil Science, Management, Monitoring, Policy and Law, Earth-Surface Processes, and Ecology.

The main topics in Keizer's work cover a range of environmental and ecological concerns:

  • Fire effects on ecosystems
  • Soil erosion and sediment transport
  • Aeolian processes and effects
  • Landslides and related hazards
  • Plant Water Relations and Carbon Dynamics
  • Rangeland and Wildlife Management
  • Ecology and Vegetation Dynamics Studies

Keizer has a significant number of publications, with frequent contributions to several academic journals. Key publication venues include:

  • SSRN Electronic Journal
  • The Science of The Total Environment
  • International Journal of Wildland Fire
  • Journal of Environmental Management
  • Environmental Pollution

Selected recent papers authored or coauthored by Keizer demonstrate a focus on environmental impacts and mitigation strategies:

  • "A review on polycyclic aromatic hydrocarbons distribution in freshwater ecosystems and their toxicity to benthic fauna" (2022) published in The Science of The Total Environment
  • "Effectiveness of post-fire soil erosion mitigation treatments: A systematic review and meta-analysis" (2021) published in Earth-Science Reviews
  • "Impacts of climate change on reservoir water availability, quality and irrigation needs in a water scarce Mediterranean region (southern Portugal)" (2020) published in The Science of The Total Environment
  • "What is wrong with post-fire soil erosion modelling? A meta-analysis on current approaches, research gaps, and future directions" (2020) published in Earth Surface Processes and Landforms
  • "Biochar impacts on runoff and soil erosion by water: A systematic global scale meta-analysis" (2023) published in The Science of The Total Environment

Keizer frequently collaborates with other researchers. Regular coauthors include:

  • Nélson Abrantes
  • Martinho Martins
  • Diana Vieira
  • Dalila Serpa
  • Isabel Campos

Best Publications

  • A review of rainfall interception modelling

    A. Muzylo;P. Llorens;F. Valente;J.J. Keizer

  • Pérdida y fragmentación del hábitat: efecto sobre la conservación de las especies

    T. Santos;J.L. Tellería

  • The influence of biochar particle size and concentration on bulk density and maximum water holding capacity of sandy vs sandy loam soil in a column experiment

    Frank G.A. Verheijen;Anna Zhuravel;Flávio C. Silva;António Amaro

  • Impacts of climate and land use changes on the hydrological and erosion processes of two contrasting Mediterranean catchments

    D. Serpa;J.P. Nunes;J. Santos;E. Sampaio

  • Does soil burn severity affect the post-fire runoff and interrill erosion response? A review based on meta-analysis of field rainfall simulation data

    D. C. S. Vieira;C. Fernández;J. A. Vega;J. J. Keizer

  • Extraction of compounds associated with water repellency in sandy soils of different origin

    S. H. Doerr;C. T. Llewellyn;P. Douglas;C. P. Morley

  • Effectiveness of forest residue mulching in reducing post-fire runoff and erosion in a pine and a eucalypt plantation in north-central Portugal

    Sergio A. Prats;Lee H. MacDonald;Magda Monteiro;Antonio J.D. Ferreira

  • Biochar effects on soil water infiltration and erosion under seal formation conditions: rainfall simulation experiment

    Vikas Abrol;Meni Ben-Hur;Frank G. A. Verheijen;Jacob J. Keizer

  • Major and trace elements in soils and ashes of eucalypt and pine forest plantations in Portugal following a wildfire.

    Isabel Campos;Nelson Abrantes;Jan Jacob Keizer;Carlos Vale

  • Soil and water degradation processes in burned areas: Lessons learned from a nested approach

    A.J.D. Ferreira;A.J.D. Ferreira;C.O.A. Coelho;C.J. Ritsema;A.K. Boulet

  • Effectiveness of post-fire soil erosion mitigation treatments: A systematic review and meta-analysis

    Antonio Girona-García;Diana C.S. Vieira;Joana Silva;Cristina Fernández

  • Effectiveness of Hydromulching to Reduce Runoff and Erosion in a Recently Burnt Pine Plantation in Central Portugal

    Sérgio Alegre Prats;Maruxa Cortizo Malvar;Diana Catarina Simões Vieira;Lee MacDonald

  • Impacts of climate change on reservoir water availability, quality and irrigation needs in a water scarce Mediterranean region (southern Portugal).

    João Rocha;Cláudia Carvalho-Santos;Cláudia Carvalho-Santos;Paulo Diogo;Pedro Beça

  • Temporal variation in topsoil water repellency in two recently burnt eucalypt stands in north-central Portugal

    J.J. Keizer;S.H. Doerr;M.C. Malvar;S.A. Prats

  • Polyacrylamide application versus forest residue mulching for reducing post-fire runoff and soil erosion

    Sergio Alegre Prats;Martinho António dos Santos Martins;Maruxa Cortizo Malvar;Meni Ben-Hur

  • The handbook for standardized field and laboratory measurements in terrestrial climate change experiments and observational studies (ClimEx)

    Aud Helen Halbritter Rechsteiner;Hans J. De Boeck;Amy Elizabeth Eycott;Amy Elizabeth Eycott;Sabine Reinsch

  • The kinetic energy of rain measured with an optical disdrometer: An application to splash erosion

    María Fernández-Raga;Roberto Fraile;Jan Jacob Keizer;María Eufemia Varela Teijeiro

  • Mid-term and scaling effects of forest residue mulching on post-fire runoff and soil erosion

    Sergio Alegre Prats;Joseph W. Wagenbrenner;Martinho António Santos Martins;Maruxa Cortizo Malvar

  • Toxicity assessment of aqueous extracts of ash from forest fires

    Vera Silva;Joana Luísa Pereira;Isabel Campos;Jan Jacob Keizer

  • Influence of burning intensity on water repellency and hydrological processes at forest and shrub sites in Portugal

    A.J.D. Ferreira;C.O.A. Coelho;A.K. Boulet;G. Leighton-Boyce

  • Modeling the response of within-storm runoff and erosion dynamics to climate change in two Mediterranean watersheds: A multi-model, multi-scale approach to scenario design and analysis

    J.P. Nunes;J. Seixas;J.J. Keizer

Frequent Co-Authors

João Pedro Nunes
João Pedro Nunes Wageningen University & Research
Celeste Coelho
Celeste Coelho University of Aveiro
António Ferreira
António Ferreira Polytechnic Institute of Coimbra
Fernando Gonçalves
Fernando Gonçalves University of Aveiro
Rogério N. Nogueira
Rogério N. Nogueira University of Aveiro
Violette Geissen
Violette Geissen Wageningen University & Research
Coen J. Ritsema
Coen J. Ritsema Wageningen University & Research
Heike Knicker
Heike Knicker Spanish National Research Council
Stefan H. Doerr
Stefan H. Doerr Swansea University
Carlos Vale
Carlos Vale University of Porto

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