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Testing and Teaching Network Science for Ecosystem Services.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Testing and Teaching Network Science for Ecosystem Services./
Author:	Keyes, Aislyn Anne Dewathe.
Description:	1 online resource (325 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 84-11, Section: B.
Contained By:	Dissertations Abstracts International84-11B.
Subject:	Ecology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30317599click for full text (PQDT)
ISBN:	9798379529215

Testing and Teaching Network Science for Ecosystem Services.
Keyes, Aislyn Anne Dewathe.

Testing and Teaching Network Science for Ecosystem Services. - 1 online resource (325 pages)

Source: Dissertations Abstracts International, Volume: 84-11, Section: B.

Thesis (Ph.D.)--University of Colorado at Boulder, 2023.

Includes bibliographical references

Human-driven threats are changing biodiversity and impacting ecosystem services (i.e., nature's contributions to society, henceforth 'services'). The consequences of biodiversity change for ecosystems and people are hard to predict because the loss of one species can trigger secondary extinctions of additional species when species interact (e.g., many birds rely on insects for food). However, the consequences of these secondary extinctions for services remain underexplored. I aim to understand how services will respond to species losses and secondary extinctions. First, I extend robustness-a measure of the tolerance of food webs to secondary extinctions-to measure the impacts of secondary extinctions on services. I incorporate 7 services (e.g., waterfowl hunting) to 3 salt marsh food webs and simulate 12 extinction scenarios (e.g., losses of species vulnerable to pollution or ocean acidification). I find that food web and service robustness are highly correlated, and that robustness varies predictably across services. This result suggests that research on food web robustness may contain important insights for understanding and predicting service vulnerability. Next, I review and synthesize our understanding of how food web structure affects robustness, proposing recommendations and outstanding questions for future research. I find that food web structure influences robustness, and that structure-robustness relationships vary depending on the choice of food web structure and methodology used to quantify robustness. Then, I combine these insights about the structure-robustness relationships for food webs and the ecosystem service robustness metric I developed in my earlier work. I develop new predictions about the implications of structure for service robustness, testing them on services in 14 coastal food webs. I find that structure is a worthwhile indicator of service robustness, and that the context of species losses (i.e., which species are lost first) and the type of service affects the relationships between structure and service robustness. Finally, I use the concepts and data that underlie my research to co-develop a video game and educational case study focused on the food web and ecosystem services at Carpinteria Salt Marsh Reserve, finding that the game and case study lesson effectively develop students' system thinking skills.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798379529215Subjects--Topical Terms:

516476
Ecology.
Subjects--Index Terms:

Ecosystem servicesIndex Terms--Genre/Form:

542853
Electronic books.

Testing and Teaching Network Science for Ecosystem Services.
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500 $a Source: Dissertations Abstracts International, Volume: 84-11, Section: B.
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504 $a Includes bibliographical references
520 $a Human-driven threats are changing biodiversity and impacting ecosystem services (i.e., nature's contributions to society, henceforth 'services'). The consequences of biodiversity change for ecosystems and people are hard to predict because the loss of one species can trigger secondary extinctions of additional species when species interact (e.g., many birds rely on insects for food). However, the consequences of these secondary extinctions for services remain underexplored. I aim to understand how services will respond to species losses and secondary extinctions. First, I extend robustness-a measure of the tolerance of food webs to secondary extinctions-to measure the impacts of secondary extinctions on services. I incorporate 7 services (e.g., waterfowl hunting) to 3 salt marsh food webs and simulate 12 extinction scenarios (e.g., losses of species vulnerable to pollution or ocean acidification). I find that food web and service robustness are highly correlated, and that robustness varies predictably across services. This result suggests that research on food web robustness may contain important insights for understanding and predicting service vulnerability. Next, I review and synthesize our understanding of how food web structure affects robustness, proposing recommendations and outstanding questions for future research. I find that food web structure influences robustness, and that structure-robustness relationships vary depending on the choice of food web structure and methodology used to quantify robustness. Then, I combine these insights about the structure-robustness relationships for food webs and the ecosystem service robustness metric I developed in my earlier work. I develop new predictions about the implications of structure for service robustness, testing them on services in 14 coastal food webs. I find that structure is a worthwhile indicator of service robustness, and that the context of species losses (i.e., which species are lost first) and the type of service affects the relationships between structure and service robustness. Finally, I use the concepts and data that underlie my research to co-develop a video game and educational case study focused on the food web and ecosystem services at Carpinteria Salt Marsh Reserve, finding that the game and case study lesson effectively develop students' system thinking skills.
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