<div><p>We examined the effects of habitat complexity and timing of arrival in the context of the survival of focal <em>Thalassoma quinquevittatum</em> settlers. We used an array of 30 isolated live-coral patch reefs separated by <em>*</em>10 m in water 2–4 m deep. Reefs were located within a sand-flat, separated from each other, and from nearby natural reefs, by a minimum of 15 m. We constructed reefs to minimize habitat variation by standardizing size, rugosity, and water depth. Each reef consisted of a base of live Porites lobata coral with an average area of 2.23 m2 (SD = 0.56), and a mean height of 0.59 m (SD = 0.10). We controlled habitat complexity by manipulating the availability of the branching coral <em>Pocillopora verrucosa</em>. This was achieved by drilling holes into the upper surface of patch reefs. Into these holes, we inserted stainless steel pins attached to <em>P. verrucosa</em> colonies with Z-Spar Splash Zone Compound (Kopcoat, Pittsburgh, PA, USA). Mean colony surface area was 0.2 m<sup>2</sup> (SD = 0.07). We crossed the availability of <em>P. verrucosa</em> (two levels: two, or four colonies) with the presence of three tagged <em>T. quinquevittatum</em> competitors (three levels: absent, introduced simultaneously with (0 days), or 5 days earlier than the focal individuals). To each reef, we simulated settlement by introducing three tagged <em>T. quinquevittatum</em> focal individuals. Thus, our design had six treatments: (1) focal individuals without competitors, with two <em>P. verrucosa</em> colonies; (2) focal individuals and competitors introduced simultaneously, with two <em>P. verrucosa</em> colonies; (3) focal individuals with competitors introduced 5 days previously, with two <em>P. verrucosa</em> colonies; (4) focal individuals without competitors, with four <em>P. verrucosa</em> colonies; (5) focal individuals and competitors introduced simultaneously, with four <em>P. verrucosa</em> colonies; and (6) focal individuals with competitors introduced 5 days previously, with four <em>P. verrucosa</em> colonies. We ran the experiment in two temporal blocks (17–23 April and 1–7 May 2008), yielding ten replicates (five in each temporal block) for each of the six treatments. We surveyed reefs twice daily (approximately 0800 and 1600 hours) for 5 days after the introduction of focal individuals.</p>
<p>To help elucidate the mechanisms driving interactions between focal individuals and competitors, we conducted 5-min behavioral observations at the time we added focal individuals to reefs. After allowing fish to acclimate to the observers’ presence for approximately 3 min, the observer identified one focal individual that was followed at a distance of approximately 2 m from the reef. The observer recorded three response variables: (1) the number of chases between other fishes and the focal individual; (2) the number of fin bites inflicted upon the focal individual; and (3) time spent inside <em>Pocillopora</em> by the focal individual.</p></div>
This dataset is from a manipulative experiment investigating the independent and combined effects of priority effects and habitat complexity on the strength of intraspecific competitive interactions among recently settled individuals of a coral reef fish.
<div><p>This dataset is from a manipulative experiment investigating the independent and combined effects of priority effects and habitat complexity on the strength of intraspecific competitive interactions among recently settled individuals of a coral reef fish (<em>Thalassoma quinquevittatum</em>: Labridae). This research was conducted in 2008 at the Gump Biological Research Station, Moorea, French Polynesia in the northern lagoon (17 30’ S, 149 50’ W). </p>
<p>This file is dataset 1 of a 4 and describes the survival and behavioral results from the experiment. For additional data, please see Related Datasets.</p>
<p><strong>Related Datase</strong></p>
<ul><li>Geange_and_Stier_2010 Priority Effects: <a href="https://www.bco-dmo.org/dataset/726890">https://www.bco-dmo.org/dataset/726890</a> (current page)</li>
<li>Geange_and_Stier_2010 Priority Effects Area: <a href="https://www.bco-dmo.org/dataset/726929">https://www.bco-dmo.org/dataset/726929</a></li>
<li>Geange_and_Stier_2010 Priority Effects Length: <a href="https://www.bco-dmo.org/dataset/727007">https://www.bco-dmo.org/dataset/727007</a></li>
<li>Geange_and_Stier_2010 Priority Effects Background Community: <a href="https://www.bco-dmo.org/dataset/726945">https://www.bco-dmo.org/dataset/726945</a></li>
</ul></div>
Geange_and_Stier_2010 Priority Effects
<div><p><strong>BCO-DMO Processing:</strong></p>
<ul><li>added conventional header with dataset name, PI name, version date</li>
<li>modified parameter names to conform with BCO-DMO naming conventions</li>
<li>date converted from dd-Mon-yy (eg, 8-May-08) to yyyymmdd (eg. 20080508)</li>
</ul></div>
726890
Geange_and_Stier_2010 Priority Effects
2018-02-14T13:27:50-05:00
2018-02-14T13:27:50-05:00
2023-07-07T16:10:26-04:00
urn:bcodmo:dataset:726890
Survival and behavioral results from the experiment conducted at Moorea, French Polynesia from April to May 2008 (CDD_in_Reef_Fish project)
This dataset is from a manipulative experiment investigating the independent and combined effects of priority effects and habitat complexity on the strength of intraspecific competitive interactions among recently settled individuals of a coral reef fish.
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Geange, S., Shima, J., Stier, A. (2021) Survival and behavioral results from the experiment conducted at Moorea, French Polynesia from April to May 2008 (CDD_in_Reef_Fish project). Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2017-10-05 [if applicable, indicate subset used]. doi:10.26008/1912/bco-dmo.726890.1 [access date]
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