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ZoeyArmstrongThesis.pdf (976.7 KB)

ETD Abstract Container

Abstract Header

Modeling distributions of Cantharellus formosus using natural history and citizen science data

Armstrong, Zoey Nicole
http://orcid.org/0000-0001-5430-7233
http://rave.ohiolink.edu/etdc/view?acc_num=miami1619006107999476

Abstract Details

2021, Master of Arts, Miami University, Geography.
The Pacific Golden Chanterelle (Cantharellus formosus) is a widely sought-after mushroom most abundant in the forests of Washington and Oregon, USA. This project used the species to investigate how accurately the species distribution could be modeled using natural history (herbarium) as model training data and citizen science (iNaturalist) as validation data. To combat the potential sampling bias towards population centers an effort variable weighting scheme was used to consider observations in harder to reach areas more than those in easier to access areas. Four models were created and run using the natural history data as training points: Random Forests (RF), Maxent, General Linear Model (GLM), and Artificial Neural Network (ANN); the effort variable was only applied to the ANN and GLM models. Out of these four, RF was found to perform the best with an equitable skill score (ETS) 0.987 when tested against the iNaturalist citizen science validation points. Overall, this project provides a good proof of concept and framework for the use of herbarium and citizen science data for use in biogeographical modeling projects in the future.
Mary Henry (Advisor)
Jessica McCarty (Committee Member)
Nicholas Money (Committee Member)
39 p.
Geography
spatial modeling; mycology; ecological modeling; herbarium; citizen science; pacific golden chanterelle; Washington; Oregon; fungi; random forests; artificial neural network; maxent; species distribution modeling

Recommended Citations

Citations

  • Armstrong, Z. N. (2021). Modeling distributions of Cantharellus formosus using natural history and citizen science data [Master's thesis, Miami University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=miami1619006107999476

    APA Style (7th edition)

  • Armstrong, Zoey. Modeling distributions of Cantharellus formosus using natural history and citizen science data. 2021. Miami University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=miami1619006107999476.

    MLA Style (8th edition)

  • Armstrong, Zoey. "Modeling distributions of Cantharellus formosus using natural history and citizen science data." Master's thesis, Miami University, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=miami1619006107999476

    Chicago Manual of Style (17th edition)

miami1619006107999476
200
© 2021, all rights reserved.
This open access ETD is published by Miami University and OhioLINK.