2026 Harry M. Ohlendorf: Environmental Sciences Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Environmental Sciences	36	9100	8725	3266	3030	79	5951

Overview

Harry M. Ohlendorf is affiliated with Jacobs in the United States and has contributed to research primarily within the field of environmental science. Their work spans multiple subfields including nutrition and dietetics, health, toxicology and mutagenesis, pollution, and analytical chemistry.

Ohlendorf's research topics include:

Selenium in biological systems
Mercury impact and mitigation studies
Heavy metals in the environment
Analytical chemistry methods development

They have published research in venues such as Archives of Environmental Contamination and Toxicology and Research Square. Some of their recent papers include:

Use of Site-Specific Data for Modeling Selenium Bioaccumulation by Terrestrial Animals, 2022, Archives of Environmental Contamination and Toxicology
Use of Site-Specific Data for Modeling Selenium Bioaccumulation by Terrestrial Animals, 2021, Research Square (Research Square)

Ohlendorf frequently collaborates with co-authors:

Gary M. Santolo
Julie Yamamoto

Their contributions focus on understanding the behavior and impact of selenium and mercury within environmental systems and organisms, integrating methods from environmental science and analytical chemistry.

Best Publications

EMBRYONIC MORTALITY AND ABNORMALITIES OF AQUATIC BIRDS: APPARENT IMPACTS OF SELENIUM FROM IRRIGATION DRAINWATER

Harry M. Ohlendorf;David J. Hoffman;Michael K. Saiki;Thomas W. Aldrich

776
Citations
Biogeochemical cycling of selenium in the San Joaquin Valley, California, USA

Theresa S. Presser;Harry M. Ohlendorf

315
Citations
Selenium toxicosis in wild aquatic birds.

Harry M. Ohlendorf;Arthur W. Kilness;Jerry L. Simmons;Richard K. Stroud

314
Citations
Selenium in Birds

Harry M. Ohlendorf;Gary H. Heinz

294
Citations
Bioaccumulation and Effects of Selenium in Wildlife

Harry M. Ohlendorf

289
Citations
The Use of Treatment Wetlands for Petroleum Industry Effluents

Robert L. Knight;Robert H. Kadlec;Harry M. Ohlendorf

269
Citations
Ecological Assessment of Selenium in the Aquatic Environment

Peter M. Chapman;William J. Adams;Marjorie Brooks;Charles G. Delos

236
Citations
Relationships between selenium concentrations and avian reproduction

H. M. Ohlendorf;R. L. Hothem;C. M. Bunck;T. W. Aldrich

217
Citations
Contaminants in Drainage Water and Avian Risk Thresholds

Joseph P. Skorupa;Harry M. Ohlendorf

204
Citations
Selenium teratogenesis in natural populations of aquatic birds in central California

David J. Hoffman;Harry M. Ohlendorf;Thomas W. Aldrich

174
Citations
Ecotoxicology of Selenium

Harry M. Ohlendorf

163
Citations
Bioaccumulation of selenium in birds at Kesterson Reservoir, California

Harry M. Ohlendorf;Roger L. Hothem;Christine M. Bunck;Katherine C. Marois

153
Citations
Nest success, cause-specific nest failure, and hatchability of aquatic birds at selenium-contaminated Kesterson Reservoir and a reference site

Harry M. Ohlendorf;Roger L. Hothem;Daniel Welsh

150
Citations
Selenium and heavy metals in San Francisco Bay diving ducks

Harry M. Ohlendorf;Roy W. Lowe;Paul R. Kelly;Thomas E. Harvey

140
Citations
Exposure of marine birds to environmental pollutants

Harry M. Ohlendorf;Robert W. Risebrough;Kees Vermeer

131
Citations
Association between PCBs and lower embryonic weight in black-crowned night herons in San Francisco Bay.

David J. Hoffman;Barnett A. Rattner;Christine M. Bunck;Alex Krynitsky

123
Citations
The birds of Kesterson Reservoir: a historical perspective.

Harry M Ohlendorf

108
Citations
Association of mercury and selenium with altered glutathione metabolism and oxidative stress in diving ducks from the San Francisco bay region, USA

Unknown

103
Citations
Selenium contamination of the Grasslands, a major California waterfowl area.

Harry M. Ohlendorf;Roger L. Hothem;Thomas W. Aldrich;Alexander J. Krynitsky

96
Citations
Selenium in wetlands and waterfowl foods at Kesterson Reservoir, California, 1984.

Carol A. Schuler;Robert G. Anthony;Harry M. Ohlendorf;Harry M. Ohlendorf

86
Citations
Contaminants in foods of aquatic birds at Kesterson Reservoir, California, 1985

Roger L. Hothem;Harry M. Ohlendorf

77
Citations
Mercury, selenium, cadmium and organochlorines in eggs of three Hawaiian seabird species

Harry M. Ohlendorf;Craig S. Harrison

70
Citations
Environmental pollutants and eggshell thickness: Anhingas and wading birds in the eastern United States

Harry M. Ohlendorf;Erwin E. Klaas;T. Earl Kaiser

63
Citations
Organochlorine contaminants in California waterfowl

Harry M. Ohlendorf;Michael R. Miller

61
Citations
Bioaccumulation of selenium by snakes and frogs in the San Joaquin Valley, California

Harry M. Ohlendorf;Roger L. Hothem;Thomas W. Aldrich

58
Citations

Frequent Co-Authors

Daniel W. Anderson University of California, Davis

Peter M. Chapman Golder Associates (Canada)

Samuel N. Luoma University of California, Davis

William A. Maher University of Canberra

Tetsu K. Tokunaga Lawrence Berkeley National Laboratory

Sally M. Benson Stanford University

Martin Grosell University of Miami

Grey W. Pendleton Alaska Department of Fish and Game

Gary H. Heinz United States Fish and Wildlife Service

Barnett A. Rattner United States Geological Survey

External Links

Personal website of Harry M. Ohlendorf

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

Related Online Degrees & Career Pathways

Pursuing a degree in Environmental Sciences opens doors to various interconnected fields that offer flexible online learning options. For those seeking an easier pathway into environmental studies, exploring what is the easiest bachelor's degree to get can provide useful insights on balancing coursework with your career goals.

Geoscience is a natural complement to Environmental Sciences. Students interested in Earth's physical processes can benefit from one of the top geoscience online degree programs, which often include courses relevant to climate change, conservation, and natural resource management.

Another promising area is Geographic Information Systems (GIS), which plays a critical role in environmental data analysis and decision-making. Discovering the best GIS programs can help students build expertise in mapping technology and spatial data—skills highly sought after in environmental careers.

For those aspiring to leadership roles within environmental policy or public administration, pursuing an online MPA degree offers a strategic advantage. These programs provide valuable knowledge on managing public resources and shaping sustainability initiatives effectively.