Effect of land‐use and land‐cover change on mangrove blue carbon

A systematic review

Sigit Deni Sasmito, Pierre Taillardat, Jessica Clendenning, Clint Cameron, Daniel A. Friess, Daniel Murdiyarso, L.B. Hutley

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Mangroves shift from carbon sinks to sources when affected by anthropogenic land‐use and land‐cover change (LULCC). Yet, the magnitude and temporal scale of these impacts are largely unknown. We undertook a systematic review to examine the influence of LULCC on mangrove carbon stocks and soil greenhouse gas (GHG) effluxes. A search of 478 data points from the peer‐reviewed literature revealed a substantial reduction of biomass (82% ± 35%) and soil (54% ± 13%) carbon stocks due to LULCC. The relative loss depended on LULCC type, time since LULCC and geographical and climatic conditions of sites. We also observed that the loss of soil carbon stocks was linked to the decreased soil carbon content and increased soil bulk density over the first 100 cm depth. We found no significant effect of LULCC on soil GHG effluxes. Regeneration efforts (i.e. restoration, rehabilitation and afforestation) led to biomass recovery after ~40 years. However, we found no clear patterns of mangrove soil carbon stock re‐establishment following biomass recovery. Our findings suggest that regeneration may help restore carbon stocks back to pre‐disturbed levels over decadal to century time scales only, with a faster rate for biomass recovery than for soil carbon stocks. Therefore, improved mangrove ecosystem management by preventing further LULCC and promoting rehabilitation is fundamental for effective climate change mitigation policy.
Original languageEnglish
Pages (from-to)1-12
Number of pages12
JournalGlobal Change Biology
DOIs
Publication statusE-pub ahead of print - 27 Aug 2019

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mangrove
land cover
Carbon
Soils
soil carbon
carbon
Biomass
soil gas
biomass
Greenhouse gases
Recovery
Patient rehabilitation
greenhouse gas
regeneration
carbon sink
ecosystem management
afforestation
effect
bulk density
carbon isotope

Cite this

Sasmito, Sigit Deni ; Taillardat, Pierre ; Clendenning, Jessica ; Cameron, Clint ; Friess, Daniel A. ; Murdiyarso, Daniel ; Hutley, L.B. / Effect of land‐use and land‐cover change on mangrove blue carbon : A systematic review. In: Global Change Biology. 2019 ; pp. 1-12.
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abstract = "Mangroves shift from carbon sinks to sources when affected by anthropogenic land‐use and land‐cover change (LULCC). Yet, the magnitude and temporal scale of these impacts are largely unknown. We undertook a systematic review to examine the influence of LULCC on mangrove carbon stocks and soil greenhouse gas (GHG) effluxes. A search of 478 data points from the peer‐reviewed literature revealed a substantial reduction of biomass (82{\%} ± 35{\%}) and soil (54{\%} ± 13{\%}) carbon stocks due to LULCC. The relative loss depended on LULCC type, time since LULCC and geographical and climatic conditions of sites. We also observed that the loss of soil carbon stocks was linked to the decreased soil carbon content and increased soil bulk density over the first 100 cm depth. We found no significant effect of LULCC on soil GHG effluxes. Regeneration efforts (i.e. restoration, rehabilitation and afforestation) led to biomass recovery after ~40 years. However, we found no clear patterns of mangrove soil carbon stock re‐establishment following biomass recovery. Our findings suggest that regeneration may help restore carbon stocks back to pre‐disturbed levels over decadal to century time scales only, with a faster rate for biomass recovery than for soil carbon stocks. Therefore, improved mangrove ecosystem management by preventing further LULCC and promoting rehabilitation is fundamental for effective climate change mitigation policy.",
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Effect of land‐use and land‐cover change on mangrove blue carbon : A systematic review. / Sasmito, Sigit Deni; Taillardat, Pierre ; Clendenning, Jessica ; Cameron, Clint; Friess, Daniel A.; Murdiyarso, Daniel ; Hutley, L.B.

In: Global Change Biology, 27.08.2019, p. 1-12.

Research output: Contribution to journalArticleResearchpeer-review

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