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Browsing Auburn University Graduate School by Author "Vachula, Richard"

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Applications of charcoal morphometry and morphology during the Cretaceous Period 

Galinger, Matthew (2025-04-21)  ETD File Embargoed
Wildfire regimes are intensifying globally due to anthropogenic climate change, necessitating improved methods for reconstructing past fire activity to inform future mitigation strategies. The Cretaceous period, particularly ...

Cyanotoxin Production in Subtropical Lakes over the Last 150 Years with Implications for Human and Ecosystem Health 

Clift, Troy (2022-12-02)
Lakes are experiencing a modern period of increased eutrophication due to cultural impacts and climate change. One common characteristic of lake eutrophication is the increase in cyanobacteria, which possess a competitive ...

Providing Paleoenvironmental Baselines to Inform Prescribed Fire Application in Central Florida 

Foliano, Sophia (2024-12-05)
Prescribed fire (Rx-Fire) is widely applied in the United States of America (U.S.A.) as a land management tool to promote ecosystem health and mitigate the risk of wildfires by removing excess fuels from landscapes. Rx-Fire ...

Reconstructions of Aquatic Primary Producer Dynamics, Cyanobacteria Dominance and Cyanotoxin Concentrations in Subtropical Lake Ecosystems Throughout the Holocene and Late Pleistocene 

Paradeisis-Stathis, Savvas (2025-07-11)  ETD File Embargoed
Harmful algal blooms (HABs) are intensifying globally, threatening freshwater ecosystems and public health. Although modern HABs have been extensively studied in the context of anthropogenic nutrient enrichment, the long-term ...