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Susan Harrison (ecologist)

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For other people named Susan Harrison, see Susan Harrison (disambiguation).
Susan Harrison
Born
Susan Patricia Harrison
Alma materStanford University
University of California, Davis
AwardsMember of the National Academy of Sciences (2018)
Scientific career
FieldsEcology[1]
InstitutionsUniversity of California, Davis
ThesisThe metapopulation dynamics of the Bay checkerspot butterfly, Euphydryas editha bayensis (1989)
Websitedesp.ucdavis.edu/people/susan-p-harrison

Susan Patricia Harrison is a professor of ecology at the University of California, Davis who works on the dynamics of natural populations and ecological diversity. She is a fellow of the Ecological Society of America and the California Academy of Sciences. She has previously served as vice president of the American Society of Naturalists.[1] She was elected to the National Academy of Sciences in 2018.

Early life and education

Harrison is from Sonoma, California. She studied zoology at University of California, Davis and graduated in 1983.[2][3] Harrison switched to ecology for her graduate studies, and earned a master's degree in 1986.[2] Harrison joined Stanford University for her doctoral studies, completing her PhD in biology in 1989.[4] Her doctoral work considered the Edith's checkerspot butterfly and was supervised by Paul R. Ehrlich and Richard Karban.[5][6][7][8]

Research and career

After her PhD, Harrison was a postdoctoral fellow at Imperial College London, where she worked at Silwood Park.[2][9] Harrison was appointed to the faculty at University of California, Davis in 1991.[2] She is a member of the John Muir Institute of the Environment. Her research considers plant species diversity. She has extensively studied the flora of the California region, and found that species and phylogenetic diversity align with the region's climate gradients.[2] The small-scale local diversity is similar to the large-scale diversity within the region.[2][10] She studied metapopulations, which has previously been explained as existing between colonisation and extinction. Harrison demonstrated that the formation of metapopulations is more complicated; and can be patchy, non-equilibrium and geographical.[11]

She works on both the Californian grasslands and Oregon forest understories. She found that these regions had suffered from climate change, in particular the warmer, drier climate has resulted in a decline in plant community diversity.[2][12] Species that had functional traits including drought intolerance are particularly vulnerable. In situations where nutrients are the most limiting resource, climate has less of an impact.[2]

Harrison has studied California's wildflowers, which have been shown to be particularly resilient to drought.[13] These wildflowers keep part of their seeds dormant in seed banks underground, which they can disperse when the weather is appropriate. Wildflowers that are more resilient to drought have larger underground seed banks.[14] She has also studied California's wildfires near the Stebbins Cold Canyon Reserve.[15] Almost half of the grasslands studied by Harrison were impacted by the 2015 California wildfires.[15] She has studied the native plant species in the serpentine soils of California with Brian Anacker.[3][16][17]

In 2018, Harrison was elected to the National Academy of Sciences.[2][18] She serves on the scientific advisory board of the Siskiyou County Field Institute.[19] She is a member of the editorial board of the Proceedings of the Royal Society.[20]

Awards and honours

Selected works

  • Harrison, Susan (2011). Serpentine: The Evolution and Ecology of a Model System. University of California Press. ISBN 978-0520268357.

References

  1. ^ a b Susan Harrison publications indexed by Google Scholar Edit this at Wikidata
  2. ^ a b c d e f g h i j "Susan Harrison". www.nasonline.org. Retrieved 2019-05-01.
  3. ^ a b "NRS researcher Susan Harrison elected to National Academy of Sciences". UCNRS. 2018-05-11. Retrieved 2019-05-01.
  4. ^ "Susan Harrison | College of Biological Sciences". biology.ucdavis.edu. December 2014. Retrieved 2019-05-01.
  5. ^ a b "Inter Research » Ecology Institute » IRPE Prize". www.int-res.com. Retrieved 2019-05-01.
  6. ^ "Terrestrial Ecology Tree - Susan P. Harrison Family Tree". academictree.org. Retrieved 2019-05-01.
  7. ^ Harrison, Susan; Murphy, Dennis D.; Ehrlich, Paul R. (1988). "Distribution of the Bay Checkerspot Butterfly, Euphydryas editha bayensis: Evidence for a Metapopulation Model". The American Naturalist. 132 (3): 360–382. doi:10.1086/284858. ISSN 0003-0147. JSTOR 2461988. S2CID 55140501.
  8. ^ Harrison, Susan (1989). "Long-Distance Dispersal and Colonization in the Bay Checkerspot Butterfly, Euphydryas Editha Bayensis". Ecology. 70 (5): 1236–1243. doi:10.2307/1938181. ISSN 1939-9170. JSTOR 1938181.
  9. ^ Harrison, Susan (1990-11-08). "Ecological discontinuity". Nature. 348 (6297): 123–124. Bibcode:1990Natur.348..123H. doi:10.1038/348123a0. ISSN 1476-4687. S2CID 4309255.
  10. ^ "Wisconsin Ecology". ecology.wisc.edu. Retrieved 2019-05-01.
  11. ^ Harrison, Susan (1991-01-01). "Local extinction in a metapopulation context: an empirical evaluation". Biological Journal of the Linnean Society. 42 (1–2): 73–88. doi:10.1111/j.1095-8312.1991.tb00552.x. ISSN 0024-4066.
  12. ^ Harris-Lovett, Sasha (2015-06-24). "Scientists see climate change in action in California wildflower fields". Los Angeles Times. Archived from the original on May 2, 2019. Retrieved May 2, 2019.
  13. ^ "Native wildflowers bank on seeds underground to endure drought: Exotic grasses depleted seed bank accounts during drought while natives saved". ScienceDaily. Retrieved 2019-05-01.
  14. ^ Kerlin, Kat (March 2018). "Native Wildflowers Bank on Seeds Underground to Endure Drought". biology.ucdavis.edu. Retrieved 2019-05-01.
  15. ^ a b Kerlin, Kat (10 May 2016). "Burning Questions: Wildfires at Two UC Davis Natural Reserves Spark Scientific Exploration". biology.ucdavis.edu. Retrieved 2019-05-01.
  16. ^ Harrison, Susan; Rajakaruna, Nishanta (February 2011). Serpentine. ISBN 9780520268357.
  17. ^ "Brian Anacker". Ecology and Evolutionary Biology. 2015-11-03. Retrieved 2019-05-01.
  18. ^ a b "Ecologist Susan Harrison Elected to National Academy". UC Davis. 2018-05-08. Retrieved 2019-05-01.
  19. ^ "Siskiyou Field Institute - 2014 Instructors". www.thesfi.org. Retrieved 2019-05-01.
  20. ^ "Editorial board | Proceedings of the Royal Society B: Biological Sciences". royalsocietypublishing.org. Retrieved 2019-05-01.
  21. ^ "Dr. Susan Harrison". John Muir Institute of the Environment. Retrieved 2019-05-01.
  22. ^ Bronstein, Judith L. (2004). "Secretary's Report, 2004: American Society of Naturalists". The American Naturalist. 164 (6): 824–827. doi:10.1086/426483. ISSN 0003-0147. JSTOR 10.1086/426483. S2CID 82185532.
  23. ^ "ESA Fellows – Ecological Society of America". Retrieved 2019-05-01.
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