Beau MacDonald

Beau MacDonald
University of Southern California | USC · Spatial Sciences Institute

About

15
Publications
3,271
Reads
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323
Citations
Citations since 2016
9 Research Items
241 Citations
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2016201720182019202020212022010203040

Publications

Publications (15)
Article
American Indians and Alaska Natives (AI/AN) have the highest incidence of cleft lip and palate (orofacial clefts [OFCs]) when compared to other ethnic groups. We aim to determine the AI/AN populations’ proximity and accessibility to American Cleft Palate-Craniofacial Association accredited centers (ACPA centers) for treatment of OFCs. Our hypothesi...
Article
Full-text available
Satellite observations show that the rapid urbanization and emergence of megacities with 10 million or more residents have raised PM2.5 concentrations across the globe during the past few decades. This study examines PM2.5 dynamics for the 33 cities included on the UN list of megacities published in 2018. These megacities were classified into dense...
Article
Full-text available
Understanding the relative importance of environmental and anthropogenic factors in driving plant community structure, including relative dominance of native and non-native species, helps predict community responses to biological invasions. To assess factors influencing plant communities on San Clemente Island, USA, we conducted an islandwide veget...
Article
Invasions of non-native earthworms into previously earthworm-free regions are a major conservation concern because they alter ecosystems and threaten biological diversity. Little information is available, however, about effects of earthworm invasions outside of temperate and boreal forests, particularly about invasions of islands. For San Clemente...
Article
A mounting body of research suggests that invasive non-native earthworms substantially alter microbial communities, including arbuscular mycorrhizal fungi (AMF). These changes to AMF can cascade to affect plant communities and vertebrate populations. Despite these research advances, relatively little is known about: (1) the mechanisms behind earthw...
Article
A mounting body of research suggests that invasive nonnative earthworms substantially alter microbial communities, including arbuscular mycorrhizal fungi (AMF). These changes to AMF can cascade to affect plant communities and vertebrate populations. Despite these research advances, relatively little is known about (1) the mechanisms behind earthwor...
Conference Paper
Background/Question/Methods Identifying the spatial distribution, abiotic and biotic associations, and ecological effects of newly introduced species is an important first step to developing management and control measures. Non-native earthworms, including species from Europe and Asia, have invaded much of the northeastern and Great Lakes deciduous...
Article
Full-text available
Birds migrating to and from breeding grounds in the United States and Canada are killed by the millions in collisions with lighted towers and their guy wires. Avian mortality at towers is highly variable across species, and the importance to each population depends on its size and trajectory. Building on our previous estimate of avian mortality at...
Article
Full-text available
Avian mortality at communication towers in the continental United States and Canada is an issue of pressing conservation concern. Previous estimates of this mortality have been based on limited data and have not included Canada. We compiled a database of communication towers in the continental United States and Canada and estimated avian mortality...
Technical Report
Full-text available
The Pacific coast population of Western Snowy Plovers (Charadrius alexandrinus nivosus) is a federally listed threatened species, having experienced significant and pervasive population declines within its range in California, Oregon, and Washington. Recovery of the species depends on the effective use of management resources because human- associ...

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Projects

Projects (2)
Project
An assessment of the distribution of invasive earthworms on San Clemente Island.