Mangrove carbon storage in the Gulf of California
- Data Manager
- Research Team Head
- Date Collected
- 2014-07-30 to 2014-08-08
- Date Issued
- Cite This Work
Costa, Matthew T.; Ezcurra, Paula; Aburto-Oropeza, Octavio (2018). Mangrove carbon storage in the Gulf of California. In dataMares: Ecosystem Dynamics. UC San Diego Library Digital Collections. http://doi.org/10.6075/J0668BDX
Mangrove forests are packed with carbon, typically with more than 100 kilogram of carbon in just one square meter, more than in any other type of tropical forest. Even though the mangrove trees that we see do not compare in height and girth with those in upland tropical rainforests, they manage more than their share of carbon storage underground, in their vast root systems. The organic matter sequestered in the roots of these trees does not decompose quickly, and so thick layers of organic-rich peat are deposited over time, sometimes reaching several meters deep, spanning hundreds of years, and containing tons of carbon. Our goal in this project was to measure how much carbon is stored in the mangrove peat in the forests near the Bay of La Paz. These data depths and carbon and nitrogen contents of sedimentary layers in eight forests near La Paz, BCS, Mexico, sampled in July and August 2014, as well as information on the areal extent and location of each mangrove site. We sampled forests from a range of sizes (0.02 km^2 to 0.96 km^2), and in both the water's edge, or fringe, and the land's edge, or hinterland. The results show the great depth and large carbon stores of mangrove peat deposits in some forests in the southern Gulf of California and the considerable variation in the quantity of peat from one local forest to another.
Researchers from the Gulf of California Marine Program and El Centro para la Biodiversidad Marina y Conservacion sampled the sediments of 8 mangrove forests in the Bay of La Paz and the Gulf islands to the north in July and August 2014. We used a Russian peat corer to extract vertical segments of sediment in 50 cm increments, continuing to core with increasing depth until a hard rock or sand basement was reached. Each core segment was photographed, the depths of any change in horizon measured, and the materials in each horizon roughly characterized. In the field, a labelled jar was used to contain each sample, which we later dried, ground, and weighed before precisely measuring the amount of C in each by CN elemental analysis and gas chromatography, ultimately estimating the amount of C stored in the entire forest.
- Scope And Content
The data described here have been embargoed until 2019-01-01. Inquiries should be directed to Matthew T. Costa (firstname.lastname@example.org).
- Technical Details
Software used: Microsoft Excel. Coordinate system: WGS1984.
- Related Publications
Ezcurra P, Ezcurra E, Garcillan PP, Costa MT, Aburto-Oropeza O (2016) Coastal landforms and accumulation of mangrove peat increase carbon sequestration and storage. PNAS 113:4404-4409. http://doi.org/10.1073/pnas.1519774113
- Related Resource
- Matthew Thomas Costa, Paula Ezcurra, Octavio Aburto-Oropeza (2016): Los manglares almacenan toneladas de carbono. DataMares. InteractiveResource
- Costa, M. T. 2015. Sampling mangrove peat in the Gulf of California. Poster presented at: The Ecological Society of America Annual Meeting, August 2015, Baltimore, MD.
- Ezcurra, P., E Ezcurra, P. P. Garcillán, M. Costa, and O. Aburto-Oropeza. Coastal landforms and accumulation of mangrove peat increase carbon sequestration and storage. Talk presented at: The Ocean Sciences Meeting, February 2016, New Orleans, LA.
- Matthew Thomas Costa, Paula Ezcurra, Octavio Aburto-Oropeza (2015): Gulf Mangroves Store Carbon by the Ton. DataMares. InteractiveResource
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