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Virginia Commonwealth University

1. Tassone, Spencer. A comparison of computational methods for estimating estuarine production and respiration from diel open water dissolved oxygen measurements.

Degree: MS, Biology, 2017, Virginia Commonwealth University

URL: https://doi.org/10.25772/5906-DS96  ; https://scholarscompass.vcu.edu/etd/4988 

Diel dissolved oxygen (DO) data were used to characterize seasonal, inter-annual, and longitudinal variation in production and respiration for the James River Estuary. Two computational methods (Bayesian and bookkeeping) were applied to these data to determine whether inferences regarding DO metabolism are sensitive to methodology. Net metabolism was sensitive to methodology as Bayesian results indicated net heterotrophy (production < respiration) while bookkeeping results indicated net autotrophy (production > respiration). Differences in net metabolism among the methods was due to low seasonal variation in respiration using the Bayesian method, whereas bookkeeping results showed a strong correlation between production and respiration. Bayesian results suggest a dependence on allochthonous organic matter (OM) whereas bookkeeping results suggest that metabolism is dependent on autochthonous OM. This study highlights the importance in considering the method used to derive metabolic estimates as it can impact the assessment of trophic status and sources of OM supporting an estuary. Advisors/Committee Members: Dr. Paul Bukaveckas, Dr. Scott Neubauer, Dr. Daniel McGarvey, Dr. S. Leigh McCallister.

Subjects/Keywords: Metabolism; Estuary; Ecosystem respiration; Primary production; Net ecosystem metabolism; James river; Marine Biology; Terrestrial and Aquatic Ecology

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Tassone, S. (2017). A comparison of computational methods for estimating estuarine production and respiration from diel open water dissolved oxygen measurements. (Thesis). Virginia Commonwealth University. Retrieved from https://doi.org/10.25772/5906-DS96 ; https://scholarscompass.vcu.edu/etd/4988

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Tassone, Spencer. “A comparison of computational methods for estimating estuarine production and respiration from diel open water dissolved oxygen measurements.” 2017. Thesis, Virginia Commonwealth University. Accessed January 17, 2021. https://doi.org/10.25772/5906-DS96 ; https://scholarscompass.vcu.edu/etd/4988.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Tassone, Spencer. “A comparison of computational methods for estimating estuarine production and respiration from diel open water dissolved oxygen measurements.” 2017. Web. 17 Jan 2021.

Vancouver:

Tassone S. A comparison of computational methods for estimating estuarine production and respiration from diel open water dissolved oxygen measurements. [Internet] [Thesis]. Virginia Commonwealth University; 2017. [cited 2021 Jan 17]. Available from: https://doi.org/10.25772/5906-DS96 ; https://scholarscompass.vcu.edu/etd/4988.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Tassone S. A comparison of computational methods for estimating estuarine production and respiration from diel open water dissolved oxygen measurements. [Thesis]. Virginia Commonwealth University; 2017. Available from: https://doi.org/10.25772/5906-DS96 ; https://scholarscompass.vcu.edu/etd/4988

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

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