Theses and Dissertations

Issuing Body

Mississippi State University

Advisor

Paul, Varun G.

Committee Member

Skarke, Adam

Committee Member

Dash, Padmanava

Date of Degree

12-13-2024

Original embargo terms

Worldwide

Document Type

Graduate Thesis - Open Access

Major

Geoscience (Environmental Geoscience)

Degree Name

Master of Science (M.S.)

College

College of Arts and Sciences

Department

Department of Geosciences

Abstract

Algae play a key role in the aquatic environment as primary producers; however, they can form harmful algal blooms that are detrimental to the aquatic environment, people, and even the economy. It is generally believed that climate change will influence future algal blooms. The first study estimated algae community in three freshwater locations in Mississippi, Desoto Lake, White’s Creek Lake, and Columbus Lake, and one saline location, Western Mississippi Sound, using modern and new tools of the autonomous surface vessel, FlowCam, and EcoTaxa. From those results and leading into the second study was the application of four climate scenarios on the species Anabaena flos-aquae, a freshwater cyanobacteria, and Phaeodactylum tricornutum, a saltwater diatom. The four scenarios increased from current conditions, high climate mitigation, low mitigation, and no mitigation. Anabaena flos-aquae exhibited increased rates of growth with each climate condition. Phaeodactylum tricornutum only had minimal changes in the experimental conditions.

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