Refining the Global Estimate of Mangrove Carbon Burial Rates Using Sedimentary and Geomorphic Settings

Breithaupt, Joshua L.; Steinmuller, Havalend E.

doi:10.1029/2022gl100177

Cited by 35 publications

(21 citation statements)

References 41 publications

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“… (a) Boxplots of measured mangrove soil organic carbon (SOC) burial rates (gC m −2 y −1 ) by geomorphic class from Breithaupt and Steinmuller (2022). (b) Boxplots of measured SOC density (mgC m −3 ) from Rovai et al.…”

Section: Coastal Environmental Settings Explain Macroscale Mangrove S...mentioning

confidence: 99%

“…Data is available through Breithaupt and Steinmuller (2022) and Rovai et al (2018Rovai et al ( , 2021.…”

Section: Data Availability Statementmentioning

confidence: 99%

“…The arheic category present in Rovai et al. (2018, 2021) was removed since it could not be compared with Breithaupt and Steinmuller (2022).…”

Section: Coastal Environmental Settings Explain Macroscale Mangrove S...mentioning

confidence: 99%

“…In their recent paper published in Geophysical Research Letters , Breithaupt and Steinmuller (2022; https://doi.org/10.1029/2022GL100177) addressed this issue by combining plot‐scale carbon burial rates from mangroves around the world with a macroscale mangrove typology. Their analysis is based on an updated version of the mangrove carbon burial data set from Breithaupt et al.…”

Section: Coastal Environmental Settings Explain Macroscale Mangrove S...mentioning

confidence: 99%

“…One outlier for terrigenous delta in panel (a) is not shown as its value is 1,749 gC m −2 y −1 . The arheic category present inRovai et al (2018Rovai et al ( , 2021 was removed since it could not be compared withBreithaupt and Steinmuller (2022).…”

mentioning

confidence: 99%

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Going Local: How Coastal Environmental Settings Can Help Improve Global Mangrove Carbon Storage and Flux Estimates

Taillardat

2022

Geophysical Research Letters

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The magnitude and variability of mangrove carbon storage are uncertain and still being discussed. In a recent article, Breithaupt and Steinmuller (2022, https://doi.org/10.1029/2022GL100177) completed a literature review and compared mangrove organic carbon burial rates between different coastal environmental settings (CES) that integrate sedimentary supply (terrigenous vs. carbonate) and hydrogeomorphic settings (delta, estuary, lagoon, open coast). They found greater burial rates in terrigenous delta and estuaries while lower rates were reported in lagoons and carbonate settings. Surprisingly, these CES relationships do not strictly match previous mangrove soil carbon stock estimates but were consistent with biomass stocks. The CES approach used by Breithaupt and Steinmuller should be used for other mangrove carbon stocks and fluxes estimates to refine our understanding of mangrove carbon cycling and storage.

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Section: Coastal Environmental Settings Explain Macroscale Mangrove S...mentioning

confidence: 99%

“…Data is available through Breithaupt and Steinmuller (2022) and Rovai et al (2018Rovai et al ( , 2021.…”

Section: Data Availability Statementmentioning

confidence: 99%

“…The arheic category present in Rovai et al. (2018, 2021) was removed since it could not be compared with Breithaupt and Steinmuller (2022).…”

Section: Coastal Environmental Settings Explain Macroscale Mangrove S...mentioning

confidence: 99%

Section: Coastal Environmental Settings Explain Macroscale Mangrove S...mentioning

confidence: 99%

mentioning

confidence: 99%

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Going Local: How Coastal Environmental Settings Can Help Improve Global Mangrove Carbon Storage and Flux Estimates

Taillardat

2022

Geophysical Research Letters

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Low carbon accumulation in a macro‐tidal mangrove forest on the Amazon coast

Passos

Bernardino

Penny

et al. 2023

Limnology & Oceanography

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The important role mangrove forests play in sequestering organic carbon is well known, yet rates of organic carbon accumulation in macro‐tidal mangrove ecosystems are poorly resolved. Here we use 210Pb dating to present a 125‐yr record of carbon, nutrient and trace metal accumulation in sediments from an Amazon macro‐tidal mangrove forest. We find that the rate of organic carbon accumulation ranged from 23.7 to 74.7 g m−2 yr−1 (average 38 ± 13.5 g m−2 yr−1), significantly lower than global averages for mangrove forests. These low rates may be associated with sediment grain‐size and sediment–water interface processes that drive organic matter oxidation and reduce carbon stocks in these highly dynamic macro‐tidal forests. Total nitrogen accumulation ranged from 1.4 to 5.1 g m−2 yr−1 (average 2.7 ± 0.9 g m−2 yr−1) and phosphorus from 1.5 to 8.4 g m−2 yr−1(average 4.3 ± 1.9 g m−2 yr−1). Trace metal accumulation rates (As, Pb, Cr, Cu, Mn, Ni, Zn, Hg, Bo, V, Co, Mo, S, and Ba) were also lower than other tropical mangrove forests globally, but trace metal in more recent sediments for Mn, As, Cu, and Hg were elevated, likely reflecting human footprint in the region since early the 20th century. The ability to accurately quantify carbon accumulation rates in mangrove ecosystems is critical for climate change mitigation strategies and the implementation of carbon offset schemes globally.

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High rates of carbon burial linked to autochthonous production in artificial ponds

Holgerson,

Ray,

Russ

2023

Limnol Oceanogr Letters

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Ponds are globally abundant and important to the global carbon cycle. Although ponds have large greenhouse gas emissions, they also sequester carbon in their sediments. Here, we studied organic carbon (OC) burial rates in 22 temperate experimental ponds with negligible watersheds, where carbon sequestration derives solely from autochthonous primary production. The ponds were built identically in 1964 and have since experienced different management strategies, allowing us to test how management actions influence burial rates. On average, the ponds accumulated 67.1 g OC m−2 yr−1 (range 38.3–113.6 g OC m−2 yr−1)—about double the global average burial rate for lakes and similar to global averages for wetlands. Carbon burial rates were higher in ponds with macrophytes, fish, and higher N : P loads. We contend that the global carbon sink for inland waters may be substantially underestimated due to the undervaluation of OC burial in natural and artificial ponds.

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Refining the Global Estimate of Mangrove Carbon Burial Rates Using Sedimentary and Geomorphic Settings

Cited by 35 publications

References 41 publications

Going Local: How Coastal Environmental Settings Can Help Improve Global Mangrove Carbon Storage and Flux Estimates

Going Local: How Coastal Environmental Settings Can Help Improve Global Mangrove Carbon Storage and Flux Estimates

Low carbon accumulation in a macro‐tidal mangrove forest on the Amazon coast

High rates of carbon burial linked to autochthonous production in artificial ponds

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