Blue carbon storage in Fijian seagrass meadows: First insights into carbon, nitrogen and phosphorus content from a tropical southwest Pacific Island

Shalini Singh; Monal Lal; Paul Southgate; Morgan Wairiu; Awnesh Singh

doi:10.1016/j.marpolbul.2022.113432

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Blue carbon storage in Fijian seagrass meadows: First insights into carbon, nitrogen and phosphorus content from a tropical southwest Pacific Island

Journal article

Peer reviewed

Blue carbon storage in Fijian seagrass meadows: First insights into carbon, nitrogen and phosphorus content from a tropical southwest Pacific Island

Shalini Singh, Monal Lal, Paul Southgate, Morgan Wairiu and Awnesh Singh

Marine Pollution Bulletin, Vol.176, pp.1-10

2022

DOI: https://doi.org/10.1016/j.marpolbul.2022.113432

PMID: 35217418

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Abstract

Blue carbon

Sediment storage

Biomass

Seagrass

Intertidal habitats

Fiji

Seagrasses provide vital ecosystem services which include the accumulation and storage of carbon and nutrients in sediments and biomass. Despite their importance in climate change mitigation and adaptation, seagrass ecosystems have been poorly studied, particularly in the Pacific. Therefore, the present study assessed variability in sedimentary and vegetative C, N and P storage in three monospecific seagrass meadows (Halophila ovalis, Halodule pinifolia and Halodule uninervis), reporting baseline data for the first time. Sediment C org stocks ranged from 31 to 47 Mg C ha 1 and varied (p < 0.001) between seagrass meadows, unvegetated areas and locations. Comparison of N and P storage between vegetated meadows and unvegetated areas revealed differences (p < 0.05); implying seagrass meadows function as C, N and P sinks. Differences in species composition and environmental conditions, may play a key role in estimating C, N and P stocks, which are valuable data for conservation and monitoring of seagrass ecosystems.

Details

Title: Blue carbon storage in Fijian seagrass meadows: First insights into carbon, nitrogen and phosphorus content from a tropical southwest Pacific Island
Authors: Shalini Singh (Author) - University of the South Pacific
Monal Lal (Author) - University of the Sunshine Coast, Queensland, Australian Centre for Pacific Islands Research
Paul Southgate (Author) - University of the Sunshine Coast, Queensland, Australian Centre for Pacific Islands Research
Morgan Wairiu (Author) - University of the South Pacific
Awnesh Singh (Author) - University of the South Pacific
Publication details: Marine Pollution Bulletin, Vol.176, pp.1-10
Publisher: Elsevier Ltd
Date published: 2022
DOI: 10.1016/j.marpolbul.2022.113432
ISSN: 1879-3363
PMID: 35217418
Organisation Unit: Australian Centre for Pacific Islands Research; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99613407802621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Environmental Sciences; Marine & Freshwater Biology

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