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Bulk carbon and nitrogen, and amino acid-specific carbon stable isotope data of major production sources and biomass-important consumers in Maldivian coral reef fish food webs
Citable as data publication
Zhu Y.; Newman S.; Reid W.; Kuhl A.; Polunin N.; Newcastle University; University of Bristol: United Kingdom; Banyan Tree Marine Lab: Maldives; (2020): Bulk carbon and nitrogen, and amino acid-specific carbon stable isotope data of major production sources and biomass-important consumers in Maldivian coral reef fish food webs. Marine Data Archive. https://doi.org/10.14284/421

Availability: Creative Commons License This dataset is licensed under a Creative Commons Attribution 4.0 International License.

Description
Dataset focuses on six major production sources supporting coral-reef food-webs in the Maldives, using two types of stable isotope data (bulk carbon and nitrogen, and compound-specific [essential amino acid-specific] carbon stable isotope) of species widely considered to align with a particular trophic guild together with respective production sources or end members of each pathway. more

The corals, sponge, macroalgae and sea cucumber were collected by hand during SCUBA diving. Pelagic production sources (diurnal and nocturnal plankton) were collected with a plankton net (500 mm aperture, 150 µm mesh) towed at the sea surface at a steady speed of 3 knots for 20 min along the reef edge. The diurnal plankton was sampled at most sites in the inner- and outer-atoll, whereas the nocturnal plankton sampling was confined to two adjacent reefs in the outer-atoll, and two reef sites (Vabbinfaru and Ihuru) in the inner-atoll due to limited access. Most fishes were collected with a Hawaiian sling except the Caesionidae spp from the outer-atoll which were collected by Maldivian fishermen. Carbon and nitrogen bulk stable isotopes of macroalgae, plankton and ground samples (fish white muscle tissues) were analyzed EA-IRMS. Amino acids-specific stable isotope analysis of selected ground samples: AA fractions were analysed by GC/C/IRMS to generate the chromatography of the five essential amino acids (δ13C-EAAs of Valine [Val], Leucine [Leu], Threonine [Thr], Phenylalanine [Phe] and Lysine [Lys]).

Scope
Themes:
Biology > Benthos, Biology > Fish, Biology > Macroalgae, Biology > Plankton, Biology > Productivity - biomass
Keywords:
Marine, compound specific isotope analysis, Coral reefs, Corallivore, Detritivores, Food webs, Herbivores, Planktivores, production source, Spongivore, Stable isotopes, trophic categorisation, ISW, Maldive I., North Malé Atoll, Acanthaster planci (Linnaeus, 1758), Acanthurus leucosternon Bennett, 1833, Acropora austera (Dana, 1846), Acropora divaricata (Dana, 1846), Caesio varilineata Carpenter, 1987, Caesio xanthonota Bleeker, 1853, Chaetodon falcula Bloch, 1795, Chaetodon meyeri Bloch & Schneider, 1801, Chaetodon trifasciatus Park, 1797, Copepoda, Ctenochaetus striatus (Quoy & Gaimard, 1825), Halimeda opuntia (Linnaeus) J.V.Lamouroux, 1816, Hyrtios erectus (Keller, 1889), Myripristis berndti Jordan & Evermann, 1903, Myripristis murdjan (Forsskål, 1775), Myripristis violacea Bleeker, 1851, Pearsonothuria graeffei (Semper, 1868), Pocillopora verrucosa (Ellis & Solander, 1786), Pterocaesio pisang (Bleeker, 1853), Pygoplites diacanthus (Boddaert, 1772), Tydemania expeditionis Weber Bosse, 1901

Geographical coverage
ISW, Maldive I., North Malé Atoll

Temporal coverage
10 January 2017 - 8 April 2017
Daily

Taxonomic coverage
Acanthaster planci (Linnaeus, 1758) [WoRMS]
Acanthurus leucosternon Bennett, 1833 [WoRMS]
Acropora austera (Dana, 1846) [WoRMS]
Acropora divaricata (Dana, 1846) [WoRMS]
Caesio varilineata Carpenter, 1987 [WoRMS]
Caesio xanthonota Bleeker, 1853 [WoRMS]
Chaetodon falcula Bloch, 1795 [WoRMS]
Chaetodon meyeri Bloch & Schneider, 1801 [WoRMS]
Chaetodon trifasciatus Park, 1797 [WoRMS]
Copepoda [WoRMS]
Ctenochaetus striatus (Quoy & Gaimard, 1825) [WoRMS]
Halimeda opuntia (Linnaeus) J.V.Lamouroux, 1816 [WoRMS]
Hyrtios erectus (Keller, 1889) [WoRMS]
Myripristis berndti Jordan & Evermann, 1903 [WoRMS]
Myripristis murdjan (Forsskål, 1775) [WoRMS]
Myripristis violacea Bleeker, 1851 [WoRMS]
Pearsonothuria graeffei (Semper, 1868) [WoRMS]
Pocillopora verrucosa (Ellis & Solander, 1786) [WoRMS]
Pterocaesio pisang (Bleeker, 1853) [WoRMS]
Pygoplites diacanthus (Boddaert, 1772) [WoRMS]
Tydemania expeditionis Weber Bosse, 1901 [WoRMS]

Parameters
bulk carbon and nitrogen stable isotope data Methodology , essential amino acid-specific carbon stable isotope data Methodology
bulk carbon and nitrogen stable isotope data: EA-IRMS
essential amino acid-specific carbon stable isotope data: GC-C-IRMS

Contributors
Banyan Tree Marine Lab, moredata creator
Newcastle University, moredata creator
University of Bristol, moredata creator

Dataset status: Completed
Data type: Data
Data origin: Research: field experiment
Metadatarecord created: 2020-10-08
Information last updated: 2020-10-13
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