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TWO PARMOTREMA LICHEN SPECIES AS POLLUTION BIOINDICATORS IN FLORIDA

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Date Issued:
2023
Summary:
Lichens are commonly used as bioindicators of air pollution. For my thesis, I tested the utility of two easily identified lichen species as bioindicators. Parmotrema perforatum is considered to be pollution intolerant, while Parmotrema subrigidium is considered to be somewhat pollution tolerant. I surveyed P. perforatum and P. subrigidum growing on the trunks of southern live oak trees (Quercus virginiana) at two sites on the John D. MacArthur campus of Florida Atlantic University in Jupiter, Florida that differed in exposure to road traffic. One site on the interior of campus (AOS1) was distant from any road, while the other site (AOS2) was along a busy road. I identified lichen samples from using keys and chemical spot tests. I found AOS1 had a higher density of P. perforatum, and whereas AOS2 had a higher density of P. subrigidum, confirming the utility of these two lichens as bioindicators of pollution.
Title: TWO PARMOTREMA LICHEN SPECIES AS POLLUTION BIOINDICATORS IN FLORIDA.
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Name(s): Womble, Hunter, author
Wetterer, James K., Thesis advisor
Harriet L. Wilkes Honors College
Florida Atlantic University, Degree grantor
Type of Resource: text
Genre: Thesis
Date Created: 2023
Date Issued: 2023
Publisher: Florida Atlantic University
Place of Publication: Jupiter, FL
Physical Form: application/pdf
Extent: 26 p.
Language(s): English
Summary: Lichens are commonly used as bioindicators of air pollution. For my thesis, I tested the utility of two easily identified lichen species as bioindicators. Parmotrema perforatum is considered to be pollution intolerant, while Parmotrema subrigidium is considered to be somewhat pollution tolerant. I surveyed P. perforatum and P. subrigidum growing on the trunks of southern live oak trees (Quercus virginiana) at two sites on the John D. MacArthur campus of Florida Atlantic University in Jupiter, Florida that differed in exposure to road traffic. One site on the interior of campus (AOS1) was distant from any road, while the other site (AOS2) was along a busy road. I identified lichen samples from using keys and chemical spot tests. I found AOS1 had a higher density of P. perforatum, and whereas AOS2 had a higher density of P. subrigidum, confirming the utility of these two lichens as bioindicators of pollution.
Identifier: FAUHT00279 (IID)
Degree granted: Thesis (B.S.)--Florida Atlantic University, Harriet L. Wilkes Honors College, 2023
Persistent Link to This Record: http://purl.flvc.org/fau/fd/FAUHT00279
Use and Reproduction: Copyright © is held by the author with permission granted to Florida Atlantic University to digitize, archive and distribute this item for non-profit research and educational purposes. Any reuse of this item in excess of fair use or other copyright exemptions requires permission of the copyright holder.
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Host Institution: FAU
Is Part of Series: Florida Atlantic University Digital Library Collections.

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