Balancing development and sustainability: Assessing risks and protecting aquatic biodiversity on US college and university campuses

Abstract Extensive urbanization impairs biological communities through landscape alteration and physiochemical changes to stream ecosystems. Analogous to urban development in cities, new building and facility expansion on university campuses can lead to dramatic changes in impervious cover and conse...

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Main Authors: Mikaela P. Sako, Ryan A. McManamay
Format: Article
Language:English
Published: Wiley 2023-12-01
Series:Conservation Science and Practice
Subjects:
Online Access:https://doi.org/10.1111/csp2.13039
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author Mikaela P. Sako
Ryan A. McManamay
author_facet Mikaela P. Sako
Ryan A. McManamay
author_sort Mikaela P. Sako
collection DOAJ
description Abstract Extensive urbanization impairs biological communities through landscape alteration and physiochemical changes to stream ecosystems. Analogous to urban development in cities, new building and facility expansion on university campuses can lead to dramatic changes in impervious cover and consequently, increased stormflow impacting downstream ecological communities. Here, we analyze the extent and relevance on a nationwide scale to determine campuses with the highest risk for ecological impairment. From the US‐wide analysis of 5761 college/university campuses, ~45% of campuses were within critical aquatic species watersheds, and >5% were identified as buffering critical habitat. The highest risk campus our study identified was selected to compare the impacts of planned, conventional development versus sustainable development on a sensitive aquatic species, the federally threatened Jollyville Plateau salamander (Eurycea tonkawae). Impervious cover, simulated increases in stormwater runoff, and total suspended solids (TSS) from the conventional expansion is estimated to lower salamander density. Conversely, an alternative campus expansion plan allowed for increased development but permitted provisions for reduced runoff and TSS, thereby maintaining current salamander densities. Our findings show that sustainable campus development plans have the potential to mitigate ecological disruption within watersheds, and that campus management and policies are critical for preserving biodiversity in the future.
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spelling doaj.art-2d9c3cfeac144ea9903bbf62efdead2d2023-12-07T11:58:39ZengWileyConservation Science and Practice2578-48542023-12-01512n/an/a10.1111/csp2.13039Balancing development and sustainability: Assessing risks and protecting aquatic biodiversity on US college and university campusesMikaela P. Sako0Ryan A. McManamay1Department of Environmental Science Baylor University Waco Texas USADepartment of Environmental Science Baylor University Waco Texas USAAbstract Extensive urbanization impairs biological communities through landscape alteration and physiochemical changes to stream ecosystems. Analogous to urban development in cities, new building and facility expansion on university campuses can lead to dramatic changes in impervious cover and consequently, increased stormflow impacting downstream ecological communities. Here, we analyze the extent and relevance on a nationwide scale to determine campuses with the highest risk for ecological impairment. From the US‐wide analysis of 5761 college/university campuses, ~45% of campuses were within critical aquatic species watersheds, and >5% were identified as buffering critical habitat. The highest risk campus our study identified was selected to compare the impacts of planned, conventional development versus sustainable development on a sensitive aquatic species, the federally threatened Jollyville Plateau salamander (Eurycea tonkawae). Impervious cover, simulated increases in stormwater runoff, and total suspended solids (TSS) from the conventional expansion is estimated to lower salamander density. Conversely, an alternative campus expansion plan allowed for increased development but permitted provisions for reduced runoff and TSS, thereby maintaining current salamander densities. Our findings show that sustainable campus development plans have the potential to mitigate ecological disruption within watersheds, and that campus management and policies are critical for preserving biodiversity in the future.https://doi.org/10.1111/csp2.13039aquatic biodiversityecosystem degradationgreen infrastructureland cover changestorm runoffstreams
spellingShingle Mikaela P. Sako
Ryan A. McManamay
Balancing development and sustainability: Assessing risks and protecting aquatic biodiversity on US college and university campuses
Conservation Science and Practice
aquatic biodiversity
ecosystem degradation
green infrastructure
land cover change
storm runoff
streams
title Balancing development and sustainability: Assessing risks and protecting aquatic biodiversity on US college and university campuses
title_full Balancing development and sustainability: Assessing risks and protecting aquatic biodiversity on US college and university campuses
title_fullStr Balancing development and sustainability: Assessing risks and protecting aquatic biodiversity on US college and university campuses
title_full_unstemmed Balancing development and sustainability: Assessing risks and protecting aquatic biodiversity on US college and university campuses
title_short Balancing development and sustainability: Assessing risks and protecting aquatic biodiversity on US college and university campuses
title_sort balancing development and sustainability assessing risks and protecting aquatic biodiversity on us college and university campuses
topic aquatic biodiversity
ecosystem degradation
green infrastructure
land cover change
storm runoff
streams
url https://doi.org/10.1111/csp2.13039
work_keys_str_mv AT mikaelapsako balancingdevelopmentandsustainabilityassessingrisksandprotectingaquaticbiodiversityonuscollegeanduniversitycampuses
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