The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Ronald S. Tjeerdema sits on this spectrum.
This scientist: 247 publications — 77th percentile
77% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 690 publications or more.
The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Ronald S. Tjeerdema sits on this spectrum.
This scientist: 58 D-Index — 67th percentile
67% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 126 D-Index or more.
Ronald S. Tjeerdema is affiliated with the University of California, Davis in the United States. Their research primarily focuses on environmental science and agricultural and biological sciences, with a particular emphasis on pollution, plant science, health, toxicology and mutagenesis, industrial and manufacturing engineering, and water science and technology.
Their work covers several main topics, including:
Recent scholarly articles authored or co-authored by Tjeerdema reflect a focus on environmental fate and risk assessments linked to pesticides in agricultural contexts. Selected papers include:
Frequent collaborators of Tjeerdema include David Bonnar, Zachary C. Redman, Cort Anastasio, Jeff P. Eichler, and Sanjai J. Parikh.
Tjeerdema has published in several scientific journals, often those dealing with environmental toxicology, assessment, and agricultural chemical impacts. Notable venues in which they have been published include:
M.M Singer;D Aurand;G.E Bragin;J.R Clark
Amrith S. Gunasekara;Tresca Truong;Kean S. Goh;Frank Spurlock
Ching Yu Lin;Huifeng Wu;Ronald S. Tjeerdema;Mark R. Viant
Richard A. Dixon;David R. Gang;Adrian J. Charlton;Oliver Fiehn
Kathi A. Lefebvre;Christine L. Powell;Mark Busman;Gregory J. Doucette
Ching Yu Lin;Mark R. Viant;Ronald S. Tjeerdema
Mark R. Viant;Christopher A. Pincetich;Ronald S. Tjeerdema
M. R. Viant;I. Werner;E. S. Rosenblum;A. S. Gantner
Mark R. Viant;Daniel W. Bearden;Jacob G. Bundy;Ian W. Burton
K. A. Lefebvre;M. W. Silver;S. L. Coale;R. S. Tjeerdema
Mark R. Viant;Christopher A. Pincetich;David E. Hinton;Ronald S. Tjeerdema
Christine R. Hankermeyer;Ronald S. Tjeerdema
Mark R. Viant;Jacob G. Bundy;Christopher A. Pincetich;Jeffrey S. de Ropp
Charles H. Peterson;Sean S. Anderson;Gary N. Cherr;Richard F. Ambrose
Beverly A. Braid;James D. Moore;James D. Moore;Thea T. Robbins;Thea T. Robbins;Ronald P. Hedrick
P. M. Walz;D. L. Garrison;W. M. Graham;M. A. Cattey
D J Larkin;R S Tjeerdema
M. M. Singer;S. George;I. Lee;S. Jacobson
April R. Van Scoy;Monica Yue;Xin Deng;Ronald S. Tjeerdema
B.S. Anderson;B.M. Phillips;J.W. Hunt;V. Connor
Jay A. Davis;Michael D. May;Ben K. Greenfield;Russell Fairey
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For students interested in broadening their expertise beyond Environmental Sciences, pursuing related degrees online offers flexibility and diverse career opportunities. Many professionals opt for a one year MPA to gain skills in public administration, environmental policy, and management, which are crucial for leadership roles in government and non-profits focused on sustainability.
Another complementary option is earning an accredited online bachelors in sociology. This degree helps students understand the social dimensions of environmental issues, preparing them for roles that require community engagement and social impact analysis.
For those aiming to reach the highest academic levels without a traditional dissertation, some institutions offer 1 year PhD programs online no dissertation. These programs cater to professionals seeking advanced knowledge with minimal disruption to their careers.
Finally, educators or trainers interested in environmental education can explore the best EdS to EdD programs to enhance their leadership and research capabilities in academic and organizational settings.
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