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Paul R. Ehrlich

Active 1900–2021

99
Papers
52,096
Citations
91
h-index
99
i10-index

Citations

Citations per year for Paul R. Ehrlich1967: 2 citations1968: 3 citations1969: 4 citations1970: 11 citations1971: 5 citations1972: 12 citations1973: 11 citations1974: 11 citations1975: 24 citations1976: 17 citations1977: 26 citations1978: 16 citations1979: 15 citations1980: 21 citations1981: 26 citations1982: 25 citations1983: 42 citations1984: 17 citations1985: 21 citations1986: 27 citations1987: 21 citations1988: 34 citations1989: 28 citations1990: 28 citations1991: 52 citations1992: 52 citations1993: 29 citations1994: 52 citations1995: 67 citations1996: 81 citations1997: 87 citations1998: 73 citations1999: 72 citations2000: 102 citations2001: 100 citations2002: 115 citations2003: 163 citations2004: 136 citations2005: 156 citations2006: 194 citations2007: 217 citations2008: 183 citations2009: 206 citations2010: 188 citations2011: 171 citations2012: 164 citations2013: 169 citations2014: 154 citations2015: 188 citations2016: 172 citations2017: 179 citations2018: 173 citations2019: 399 citations2020: 347 citations2021: 345 citations2022: 267 citations2023: 182 citations2024: 215 citations2025: 77 citations2026: 6 citations

Citation sources

Countries

World map of the countries and regions citing this authorUnited States: 2,347 citing papers, 25.2% of this breakdownUnited Kingdom: 860 citing papers, 9.3% of this breakdownAustralia: 517 citing papers, 5.6% of this breakdownGermany: 496 citing papers, 5.3% of this breakdownCanada: 456 citing papers, 4.9% of this breakdownChina: 353 citing papers, 3.8% of this breakdownSweden: 342 citing papers, 3.7% of this breakdownNetherlands: 298 citing papers, 3.2% of this breakdownFrance: 296 citing papers, 3.2% of this breakdownSwitzerland: 230 citing papers, 2.5% of this breakdownSpain: 217 citing papers, 2.3% of this breakdownBrazil: 212 citing papers, 2.3% of this breakdown
0%25.2%Other 28.7%

Institutions

Fields

  • Environmental Science40.6%
  • Agricultural and Biological Sciences19.6%
  • Biochemistry, Genetics and Molecular Biology13.9%
  • Social Sciences4.2%
  • Medicine4%
  • Economics, Econometrics and Finance2.6%
  • Other15.1%

Topics

  • Plant and animal studies6.5%
  • Ecology and Vegetation Dynamics Studies5.3%
  • Species Distribution and Climate Change3.9%
  • Wildlife Ecology and Conservation3.2%
  • Land Use and Ecosystem Services3.1%
  • Genetic diversity and population structure3%
  • Other75%

Coauthors

All papers

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  1. Accelerated modern human–induced species losses: Entering the sixth mass extinction

    Authors: Gerardo Ceballos, Paul R. Ehrlich, Anthony D. Barnosky, Andrés García, Robert M. Pringle, Todd M. Palmer - Science Advances 2015 cited by 4,128

  2. Biological annihilation via the ongoing sixth mass extinction signaled by vertebrate population losses and declines

    Authors: Gerardo Ceballos, Paul R. Ehrlich, Rodolfo Dirzo - National Academy of Sciences, Proceedings of the National Academy of Sciences 2017 cited by 2,577

  3. Vertebrates on the brink as indicators of biological annihilation and the sixth mass extinction

    Authors: Gerardo Ceballos, Paul R. Ehrlich, Peter H. Raven - National Academy of Sciences, Proceedings of the National Academy of Sciences 2020 cited by 917

  4. Does aquaculture add resilience to the global food system?

    Authors: Max Troell, Rosamond L. Naylor, Marc Métian, M.C.M. Beveridge, Peter Tyedmers, Carl Folke, Kenneth J. Arrow, Scott Barrett, Anne‐Sophie Crépin, Paul R. Ehrlich, Åsa Gren, Nils Kautsky, Simon A. Levin, Karine Nyborg, Henrik Österblom, Stephen Polasky, Marten Scheffer, Brian Walker, Tasos Xepapadeas, Aart de Zeeuw - National Academy of Sciences, Proceedings of the National Academy of Sciences 2014 cited by 735

  5. Social norms as solutions

    Authors: Karine Nyborg, John M. Anderies, Astrid Dannenberg, Therese Lindahl, Caroline Schill, Maja Schlüter‬, W. Neil Adger, Kenneth J. Arrow, Scott Barrett, Stephen R. Carpenter, F. Stuart Chapin, Anne‐Sophie Crépin, Gretchen C. Daily, Paul R. Ehrlich, Carl Folke, Wander Jager, Nils Kautsky, Simon A. Levin, Ole Jacob Madsen, Stephen Polasky, Marten Scheffer, Brian Walker, Elke U. Weber, James E. Wilen, Anastasios Xepapadeas, Aart de Zeeuw - Science 2016 cited by 783

  6. Social-ecological systems as complex adaptive systems: modeling and policy implications

    Authors: Simon A. Levin, Tasos Xepapadeas, Anne‐Sophie Crépin, Jon Norberg, Aart de Zeeuw, Carl Folke, Terry P. Hughes, Kenneth J. Arrow, Scott Barrett, Gretchen C. Daily, Paul R. Ehrlich, Nils Kautsky, Karl-Göran Mäler, Steve Polasky, Max Troell, Jeffrey R. Vincent, Brian Walker - Environment and Development Economics 2012 cited by 794

  7. BUTTERFLIES AND PLANTS: A STUDY IN COEVOLUTION

    Authors: Paul R. Ehrlich, Peter H. Raven - Evolution 1964 cited by 3,822

  8. Ecosystem consequences of bird declines

    Authors: Çağan H. Şekercioğlu, Gretchen C. Daily, Paul R. Ehrlich - National Academy of Sciences, Proceedings of the National Academy of Sciences 2004 cited by 907

  9. Croonian lecture.—On immunity with special reference to cell life

    Authors: Paul R. Ehrlich - Royal Society of London, Proceedings of the Royal Society of London 1900 cited by 440

  10. Looming Global-Scale Failures and Missing Institutions

    Authors: Brian Walker, Scott Barrett, Stephen Polasky, Victor Galaz, Carl Folke, Gustav Engström, Frank Ackerman, Ken Arrow, Stephen R. Carpenter, Kanchan Chopra, Gretchen C. Daily, Paul R. Ehrlich, Terry P. Hughes, Nils Kautsky, Simon A. Levin, Karl-Göran Mäler, Jason F. Shogren, Jeff Vincent, Tasos Xepapadeas, Aart de Zeeuw - Science 2009 cited by 368

  11. Underestimating the Challenges of Avoiding a Ghastly Future

    Authors: Corey J. A. Bradshaw, Paul R. Ehrlich, Andrew J. Beattie, Gerardo Ceballos, Eileen Crist, Joan Diamond, Rodolfo Dirzo, Anne H. Ehrlich, John Harte, Mary Ellen Harte, Graham H. Pyke, Peter H. Raven, William J. Ripple, Frédérik Saltré, Christine Turnbull, Mathis Wackernagel, Daniel T. Blumstein - Frontiers in Conservation Science 2021 cited by 532

  12. Population Structure and Dynamics of the Tropical Butterfly Heliconius ethilla

    Authors: Paul R. Ehrlich, Lawrence E. Gilbert - Biotropica 1973 cited by 215

  13. Human impacts on the rates of recent, present, and future bird extinctions

    Authors: Stuart L. Pimm, Peter H. Raven, A. M. Peterson, Çağan H. Şekercioğlu, Paul R. Ehrlich - National Academy of Sciences, Proceedings of the National Academy of Sciences 2006 cited by 342

  14. Mammal Population Losses and the Extinction Crisis

    Authors: Gerardo Ceballos, Paul R. Ehrlich - Science 2002 cited by 979

  15. Biological collections and ecological/environmental research: a review, some observations and a look to the future

    Authors: Graham H. Pyke, Paul R. Ehrlich - Biological reviews/Biological reviews of the Cambridge Philosophical Society 2009 cited by 404

  16. The Value of Nature and the Nature of Value

    Authors: Gretchen C. Daily, Tore Söderqvist, Sara Aniyar, Kenneth J. Arrow, Partha Dasgupta, Paul R. Ehrlich, Carl Folke, Ann-Mari Jansson, Bengt‐Owe Jansson, Nils Kautsky, Simon A. Levin, Jane Lubchenco, Karl-Göran Mäler, David A. Simpson, David A. Starrett, David Tilman, Brian Walker - Science 2000 cited by 1,085

  17. Economic value of tropical forest to coffee production

    Authors: Taylor H. Ricketts, Gretchen C. Daily, Paul R. Ehrlich, Charles D. Michener - National Academy of Sciences, Proceedings of the National Academy of Sciences 2004 cited by 792

  18. Population, Sustainability, and Earth's Carrying Capacity

    Authors: Gretchen C. Daily, Paul R. Ehrlich - BioScience 1992 cited by 403

  19. Food Security, Population and Environment

    Authors: Paul R. Ehrlich, Anne H. Ehrlich, Gretchen C. Daily - Population and Development Review 1993 cited by 223

  20. Human Appropriation of the Products of Photosynthesis

    Authors: Peter M. Vitousek, Paul R. Ehrlich, Anne H. Ehrlich, Pamela A. Matson - BioScience 1986 cited by 1,516

  21. Human Appropriation of Renewable Fresh Water

    Authors: Sandra Postel, Gretchen C. Daily, Paul R. Ehrlich - Science 1996 cited by 1,467

  22. Population diversity and ecosystem services

    Authors: Gary Luck, Gretchen C. Daily, Paul R. Ehrlich - Trends in Ecology & Evolution 2003 cited by 610

  23. Differentiation of Populations

    Authors: Paul R. Ehrlich, Peter H. Raven - Science 1969 cited by 603

  24. Population Diversity: Its Extent and Extinction

    Authors: J.B. Hughes, Gretchen C. Daily, Paul R. Ehrlich - Science 1997 cited by 595