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Statistical and Stability Analysis of Ecosystem Dynamics in Southern Kaneohe Bay

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Item Summary

Title: Statistical and Stability Analysis of Ecosystem Dynamics in Southern Kaneohe Bay
Authors: Tanaka, Katsumasa
Advisor: Mackenzie, Fred T
Issue Date: Dec 2002
Publisher: University of Hawaii at Manoa
Abstract: A statistical analysis of water quality parameters in the Coastal Intensive Site Network (CISNet) dataset for southern Kaneohe Bay, Hawaiʻi, found poor rank correlations due to phase differences, as well as the relatively long sampling interval of the CISNet program that made it difficult to detect nutrient cycling processes in the dataset. The results of the statistical tests are summarized in a 'pennants diagram.' To understand more fully ecosystem dynamics in southern Kaneohe Bay, the Kaneohe Bay ECOsystem Model (KECOM) was developed. This model is a nine-compartment nitrogen cycle biogeochemical box model that reproduced the trends of changes in water quality parameters in response to a storm perturbation. Moderate damping of the perturbation suggests that the bay is probably never at steady state in nature. The stability analysis of KECOM using a community matrix approach indicates that the instability of the benthic autotrophic biomass is caused by low fish grazing and/or high nutrient uptake due to high irradiance.
Description: xix, 324 leaves
URI/DOI: http://hdl.handle.net/10125/6964
Rights: All UHM dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.
Appears in Collections:M.S. - Oceanography



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