The contributions of allochthonous and autochthonous materials to organic carbon in coastal sediment: A case study from Tangkhen Bay, Phuket, Thailand

Coastal areas have high potential to store carbon from both terrestrial and marine materials due to the interconnectivity among the habitats. We investigated the contributions of the various sources to the sedimentary organic carbon by examining the δ13C, δ15N, %TOC (total organic carbon) and %TN (t...

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Bibliographic Details
Published in:Ecological research 2019-11, Vol.34 (6), p.718-729
Main Authors: Tuntiprapas, Piyalap, Hayashizaki, Ken‐Ichi, Ogawa, Hisao, Panyawai, Janmanee, Tamada, Satoru, Stankovic, Milica, Prathep, Anchana
Format: Article
Language:English
Subjects:
Algae
Allochthonous deposits
Aquatic plants
Bays
calcium carbonate
Carbon
Carbon capture and storage
Carbon sequestration
Carbon sources
carbon storage
Coastal zone
Coasts
contribution
Halimeda
Macrophytes
Marine invertebrates
Organic carbon
Organic matter
Sea grasses
seagrass
Seaweeds
Sediment
Sediments
Species
Total organic carbon
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Summary:Coastal areas have high potential to store carbon from both terrestrial and marine materials due to the interconnectivity among the habitats. We investigated the contributions of the various sources to the sedimentary organic carbon by examining the δ13C, δ15N, %TOC (total organic carbon) and %TN (total nitrogen) of several marine macrophytes, which included three seagrass species: Cymodocea rotundata Ascherson & Schweinfurth, Cymodocea serrulata (R. Brown) Ascherson & Magnus, and Halophila ovalis (R. Brown) J.D. Hooker; three seaweed species: Halimeda macroloba Decaisne, Halimeda borneensis W.R. Taylor, and Halimeda opuntia (Linnaeus) J.V. Lamouroux; and one coral species, Porites sp., over a vertical gradient at Tangkhen Bay, Thailand. The distribution of organisms differed significantly between distances from the shore and seasons (p 
ISSN:0912-3814
1440-1703
DOI:10.1111/1440-1703.12040