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Patterns and Effects of Direct Contact Between Coral and Macroalgae on Shallow Reefs Around O‘ahu, Hawai‘i.
|Title:||Patterns and Effects of Direct Contact Between Coral and Macroalgae on Shallow Reefs Around O‘ahu, Hawai‘i.|
|Authors:||Sindorf, Victoria L.|
|Contributors:||Marine Biology (department)|
|Keywords:||Coral reef ecology|
|Date Issued:||May 2018|
|Publisher:||University of Hawaiʻi at Mānoa|
|Abstract:||O‘ahu’s reefs are vulnerable to increased macroalgal growth, which can have severe negative effects|
on reef corals. While experiments investigating these interactions have increased in recent years, most are
short (less than 20 days) and naturally-occurring coral-algal interactions are rarely surveyed.
Surveys of nearshore O‘ahu reefs seeking to quantify naturally-occurring coral-algal interactions for
the first time found significant differences in the number and severity of interactions experienced by different
coral species as well as between sites. This research provides a valuable baseline and springboard
for future research.
A three-month experiment exposed Porites lobata coral to mats of the invasive Gracilaria salicornia and
observed higher prevalence and severity of bleaching, reduced photosynthetic pigment concentrations,
and altered lipid content in treatment corals. However, differences in physiological metrics over time
suggest that the response may be more immediate and acute than chronic.
|Description:||M.S. Thesis. University of Hawaiʻi at Mānoa 2018.|
|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. - Marine Biology|
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