World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
55
Citations
12440
World Ranking
2959
National Ranking
201

Overview

Robert G. Clark is affiliated with the University of Saskatchewan in Canada. Their research primarily focuses on Environmental Science, with a significant number of publications addressing topics within Ecology, Nature and Landscape Conservation, and Ecological Modeling.

Their work spans several major topics including Wildlife Ecology and Conservation, Avian ecology and behavior, Species Distribution and Climate Change, Ecology and Vegetation Dynamics Studies, Isotope Analysis in Ecology, Rangeland and Wildlife Management, and Animal Behavior and Reproduction.

Robert G. Clark has contributed to multiple scientific journals. Frequent publication venues include:

  • Biological Conservation
  • Ecological Applications
  • Avian Conservation and Ecology
  • Scientific Reports
  • Canadian Journal of Zoology

Several recent papers exemplify their research focus:

  • "Tree Swallow selection for wetlands in agricultural landscapes predicted by central-place foraging theory" (2020), published in Ornithological Applications
  • "Partial and complete dependency among data sets has minimal consequence on estimates from integrated population models" (2020), published in Ecological Applications
  • "Synthesis of science: findings on Canadian Prairie wetland drainage" (2021), published in Canadian Water Resources Journal / Revue canadienne des ressources hydriques
  • "Extensive regional variation in the phenology of insects and their response to temperature across North America" (2023), published in Ecology
  • "Using integrated population models to prioritize region-specific conservation strategies under global change" (2020), published in Biological Conservation

Clark frequently collaborates with a set of co-authors. The most frequent collaborators include:

  • Christy A. Morrissey
  • Lisha L. Berzins
  • Mitch D. Weegman
  • Russell D. Dawson
  • James H. Devries

Best Publications

  • Assessing Avian Diets Using Stable Isotopes I: Turnover of 13C in Tissues

    Keith A. Hobson;Robert G. Clark

  • Stable-Nitrogen Isotope Enrichment in Avian Tissues Due to Fasting and Nutritional Stress: Implications for Isotopic Analyses of Diet

    Keith A. Hobson;Ray T. Alisauskas;Robert G. Clark

  • Assessing Avian Diets Using Stable Isotopes II: Factors Influencing Diet-Tissue Fractionation

    Keith A. Hobson;Robert G. Clark

  • AVIAN HABITAT SELECTION: PATTERN FROM PROCESS IN NEST-SITE USE BY DUCKS?

    Robert G. Clark;Dave Shutler

  • Turnover of 13C in cellular and plasma fractions of blood: implications for nondestructive sampling in avian dietary studies

    Keith A. Hobson;R. G. Clark

  • Analysis of trends and agricultural drivers of farmland bird declines in North America: A review

    R.L. Stanton;C.A. Morrissey;R.G. Clark

  • Declines of greater and lesser scaup populations: issues, hypotheses, and research needs

    J.E. Austin;A.D. Afton;M.G. Anderson;R. G. Clark

  • Patterns of reproductive effort and success in birds: path analyses of long-term data from European ducks

    Peter Blums;Robert G. Clark;Aivars Mednis

  • BROOD SURVIVAL AND RECRUITMENT OF MALLARDS IN RELATION TO WETLAND DENSITY AND HATCHING DATE

    Elston H. Dzus;Robert G. Clark

  • A method for investigating population declines of migratory birds using stable isotopes: origins of harvested lesser scaup in North America.

    Keith A. Hobson;Michael B. Wunder;Steven L. Van Wilgenburg;Robert G. Clark

  • Timing of nest searches for upland nesting waterfowl

    Mark L. Gloutney;Robert G. Clark;Alan D. Afton;Gerry J. Huff

  • VISUAL AND OLFACTORY ATTRIBUTES OF ARTIFICIAL NESTS

    Sheila A. Rangen;Robert G. Clark;Robert G. Clark;Keith A. Hobson;Keith A. Hobson

  • Differences in spatial synchrony and interspecific concordance inform guild-level population trends for aerial insectivorous birds

    Nicole L. Michel;Adam C. Smith;Robert G. Clark;Christy A. Morrissey

  • Long-term declines in nest success of prairie ducks

    Wendy D Beauchamp;Rolf R Koford;Thomas D Nudds;Robert G Clark

  • Risk-taking by female ducks: intra- and interspecific tests of nest defense theory

    Mark R. L. Forbes;Robert G. Clark;Terry Armstrong

  • Trends in agricultural impact and recovery of wetlands in prairie Canada.

    Blake A. Bartzen;Kevin W. Dufour;Robert G. Clark;Robert G. Clark;F. Dale Caswell

  • Experimental relationships between levels of corticosterone in plasma and feathers in a free-living bird

    Graham D. Fairhurst;Tracy A. Marchant;Catherine Soos;Karen L. Machin

  • Factors affecting survival of northern pintail ducklings in Alberta

    Karla L. Guyn;Robert G. Clark

  • Condition bias of hunter-shot mallards (Anas platyrhynchos)

    Hamilton Greenwood;Robert G. Clark

  • Northern Pintail (Anas acuta)

    Robert G. Clark;Joseph P. Fleskes;Karla L. Guyn;David A. Haukos

Frequent Co-Authors

Keith A. Hobson
Keith A. Hobson University of Western Ontario
Russell D. Dawson
Russell D. Dawson University of Northern British Columbia
Dave Shutler
Dave Shutler Acadia University
David W. Winkler
David W. Winkler Cornell University
Peter O. Dunn
Peter O. Dunn University of Wisconsin–Milwaukee
Linda A. Whittingham
Linda A. Whittingham University of Wisconsin–Milwaukee
Todd W. Arnold
Todd W. Arnold University of Minnesota
Carol M. Vleck
Carol M. Vleck Iowa State University
David N. Koons
David N. Koons Colorado State University
Marty L. Leonard
Marty L. Leonard Dalhousie University

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

Pursuing a career in Ecology and Evolution often involves a multidisciplinary skill set. Students seeking flexibility and affordability may consider affordable online interdisciplinary studies degrees, which allow for tailored coursework across environmental science, biology, and policy.

For those interested in the historical context of scientific change or environmental policy, options like the cheapest online masters in history can provide valuable insights into how past events have shaped current ecological challenges.

If you’re drawn to science communication or environmental information management, you might look into what schools offer library science degrees. This background is essential for careers in research support, archives, or conservation data management.

Finally, individuals with an interest in human and animal communication may explore asha approved slp programs. Training in speech-language pathology opens doors to roles in rehabilitation, wildlife acoustics, or bioacoustics research—fields with growing applications in evolutionary studies.

Best Scientists Citing Robert G. Clark

Trending Scientists