R script for: Shining a light on daytime coral spawning synchrony across oceans
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The article details the synchronous spawning patterns of Porites rus, a gonochoric coral species that spawns during the day. Spawning observations (decimal spawning start time hh.mm) were collected using a non-invasive citizen science approach between 2014 and 2023. Using two different datasets (at reef scale and at coral colony scale), the analyses provided in the R script show that depth, cumulated light, and sea surface temperature can modulate spawning start time after sunrise at different spatial scales (from single coral colonies to transoceanic scales). The differences in spawning start time for male and female colonies are also assessed. Observations and analyses allow extremely accurate predictions of P. rus spawning months, days, and time (minute-level precision) at different locations and depths in the Southern Hemisphere, facilitating future field observations and experiments. Previously underexplored, the highly effective reproductive strategy of P. rus may explain its broa..., , # R script for: Shining a light on daytime coral spawning synchrony across oceans Dataset DOI: [10.5061/dryad.cz8w9gjgs](10.5061/dryad.cz8w9gjgs) #### Recent changes 01 April 2026 file change: wrong file uploaded on 30 July 2025. Please use the most recent file. Do not use the 30 July 2025 file. 30 July 2025 code change: additional introductory information was added in the code. ## Description of the data and file structure Data description and datasets can be found on SEANOE DOIÂ 10.17882/105886. The R script GEB_CoralSpawning_Moritz.R provided on Dryad has been produced by Charlotte Moritz, CMOANA Consulting, and is related to Moritz et al., 'Shining a light on daytime coral spawning synchrony across oceans', Global Ecology and Biogeography, DOI 10.1111/geb.70072. ### Files and variables Data files related to the R script: * site-scale coral spawning dataset (shared on SEANOE) presenting exact and approximate coral spawning start time (decimal hh.mm) at each site from 2014 to..., , **Changes after Jun 9, 2025:** R code update on 30 Jul 2025. **Changes after Jul 30, 2025:** R code update on 01 April 2026: wrong file uploaded on 30 July 2025. Use new file only. ,
本研究详述了丛状滨珊瑚(Porites rus)的同步产卵模式——该物种为白昼产卵的雌雄异体(gonochoric)珊瑚。2014至2023年间,研究采用非侵入式公民科学方法收集了产卵观测数据,记录格式为十进制的产卵开始时间(小时.分钟)。本研究依托两套分别基于礁体尺度与珊瑚群体尺度的数据集,通过R脚本中的分析发现:水深、累积光照与海表温度可在不同空间尺度(从单个珊瑚群体至跨洋尺度)调节日出后的产卵起始时间;同时评估了雌雄珊瑚群体的产卵起始时间差异。观测与分析结果可在南半球不同区域与水深条件下,以分钟级精度精准预测丛状滨珊瑚(P. rus)的产卵月份、日期与具体时刻,可为后续野外观测与实验提供助力。此前尚未得到充分探索的丛状滨珊瑚高效繁殖策略,或可解释其广泛分布…… # 配套R脚本:《跨洋白昼珊瑚产卵同步性研究》 数据集DOI:10.5061/dryad.cz8w9gjgs ## 最近更新记录 2026年4月1日 文件更新:2025年7月30日上传了错误文件,请使用最新版本文件,请勿使用2025年7月30日的文件。 2025年7月30日 代码更新:代码中新增了补充说明信息。 ## 数据与文件结构说明 数据集描述与原始数据可于SEANOE平台DOI:10.17882/105886处获取。 Dryad平台提供的GEB_CoralSpawning_Moritz.R脚本由CMOANA咨询公司的Charlotte Moritz编写,相关研究为Moritz等人发表于《Global Ecology and Biogeography》的论文《跨洋白昼珊瑚产卵同步性研究》,DOI:10.1111/geb.70072。 ### 文件与变量说明 与该R脚本相关的数据文件包括: * 礁体尺度珊瑚产卵数据集(分享于SEANOE平台):记录了2014年起各站点精确与近似的珊瑚产卵开始时间(十进制hh.mm格式)…… **2025年6月9日后更新:** 2025年7月30日更新R代码。 **2025年7月30日后更新:** 2026年4月1日更新R代码:2025年7月30日上传了错误文件,请仅使用新版文件。



