Coral bleaching and nutrient responses to elevated temperature and nutrient exposure, Laamu Atoll, Maldives, 2022-2024

Availability:
Not released
Published by:
Environmental Information Data Centre
Last updated:
04 March 2026
Topic:
Not added
Licence:
None

Summary

[This dataset is embargoed until December 31, 2026]. The data consist of coral bleaching data; coral elemental and isotopic data (of coral host tissue and algal symbionts); coral metric data (size and depth of coral colonies used in experiment); water nutrient data collected next to corals over the experimental period; diffuser weights of fertiliser bags (to help calculate diffusion rates of fertiliser loss) and temperature data (recorded over the experimental windows in-situ and using satellite data). This dataset contains in-situ experimental information relating two separate nutrient enrichment experiments that were conducted over January - June 2022 and January 2023 - July 2024. The experiments were designed to understand the in-situ bleaching and nutrients responses of corals (Pocillopora spp.) to the interactive effect of elevated temperatures and elevated nutrient concentrations relative to controls. Slow-release agricultural fertilisers were used to elevate local concentrations. In 2022, two types of fertilisers were used (High N = 18-9-10 NPK or High P = 13-13-13 NPK). In 2023-24, the same fertiliser was used (24-7-14 NPK) but at two quantities, medium-N (50-75 g of fertiliser) and high-N (150-200 g of fertiliser) to better understand thresholds. Both experiments were conducted on lagoonal patch reefs in Laamu atoll, Maldives. The work has been undertaken has been funded by the GCRF-UKRI South Asian Nitrogen Hub and enabled through the University of Edinburgh and Maldivian non-governmental organisation, Maldives Resilient Reefs. Full details about this dataset can be found at https://doi.org/10.5285/c176bbd1-7ad6-43e7-b82b-7c707e95522f

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Additional information

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Added to data.gov.uk
2026-02-26
Access contraints
Embargoed
Harvest GUID
c176bbd1-7ad6-43e7-b82b-7c707e95522f
Extent
Latitude: 1.998° to °
Longitude: 73.378° to 73.585°
Spatial reference system
Dataset reference date
2026-02-25 (publication)
Frequency of update
Responsible party
University of Edinburgh (pointOfContact, owner); (author, publisher, custodian); Maldives Resilient Reefs (author)
ISO 19139 resource type
dataset
Metadata language
eng
Source Metadata
XML
HTML

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