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Articles 1 - 3 of 3
Full-Text Articles in Physical Sciences and Mathematics
Tribute From The Underworld : The Historical Ecology Of The Maya Postclassic Fish Trade With Isotopic Analysis Of Otoliths From MayapáN And Caye Coco, Jeffrey Michael Bryant
Tribute From The Underworld : The Historical Ecology Of The Maya Postclassic Fish Trade With Isotopic Analysis Of Otoliths From MayapáN And Caye Coco, Jeffrey Michael Bryant
Legacy Theses & Dissertations (2009 - 2024)
This dissertation investigates the Maya fish trade through the extensive analysis of fish otoliths (ear stones), from the Postclassic sites of Mayapán, and Caye Coco, and provides an initial foundation for the development of a historical ecology program. Through osteometry, thin-section microscopy of growth rings, and microscale stable isotope analysis (δC13 and δO18), a spectrum of data is produced to characterize the Postclassic fish trade. These data are used to illuminate themes of the seasonality of the fish harvest, diet, biodiversity, fish population demography, environmental change, sustainability, and resilience. The timing of a seasonal intensification of the harvest is viewed …
Legislation To Reduce Microplastic Pollution : Understanding The Factors That Facilitated Passage Of The Federal Microbead-Free Waters Act Of 2015, Alyson Kelly Northrup
Legislation To Reduce Microplastic Pollution : Understanding The Factors That Facilitated Passage Of The Federal Microbead-Free Waters Act Of 2015, Alyson Kelly Northrup
Legacy Theses & Dissertations (2009 - 2024)
The full environmental impacts of microplastic pollution in aquatic environments remain uncertain, but several detrimental effects have been documented, including adverse health effects in multiple species and the susceptibility of microplastics to adsorb toxins and leach plastic additives. Plastic microbeads from rinse-off personal care products are a source of microplastic pollution that is introduced directly into the environment through runoff, including wastewater treatment plant effluent. In December 2015, the federal Microbead-free Waters Act of 2015 banned the manufacture and sale of all rinse-off personal care products containing plastic microbeads in the United States.
Butterflies As Charismatic Indicators : Can Study Of Impact Of On-Farm Habitat Enrichment On Butterfly Populations Provide Insight About Habitat Quality For Other Insects?, Erin Allen
Legacy Theses & Dissertations (2009 - 2024)
Populations of insect pollinators have been declining precipitously across the Northern Hemisphere, due to disease, insecticide application, and habitat degradation and loss. As a result, crop pollination services are at risk, and the ecological insurance provided by biodiversity is in jeopardy. Regional efforts to combat the decline of pollinator diversity and abundance include the New York State Pollinator Protection Plan to assess regional pollinator health, strategies to enhance wild pollinator habitat, as well as on-farm habitat enhancement strategies to augment pollinator populations in and around crops. One such habitat enhancement strategy involves improving native floral resource availability, which is often …