All Outputs (13)

Assessment of differences in peat physico-chemical properties, surface subsidence and GHG emissions between the major land-uses of Selangor peatlands (2023)
Journal Article
Dhandapani, S., Evers, S., Boyd, D., Evans, C. D., Page, S., Parish, F., & Sjogersten, S. (2023). Assessment of differences in peat physico-chemical properties, surface subsidence and GHG emissions between the major land-uses of Selangor peatlands. CATENA, 230, Article 107255. https://doi.org/10.1016/j.catena.2023.107255

Tropical peatlands are globally important ecosystems for carbon storage, biodiversity conservation, water storage and regulation, and several other valuable ecosystem services. Despite their importance, peatlands in Southeast Asia have been heavily d... Read More about Assessment of differences in peat physico-chemical properties, surface subsidence and GHG emissions between the major land-uses of Selangor peatlands.

Is Intercropping an Environmentally-Wise Alternative to Established Oil Palm Monoculture in Tropical Peatlands? (2020)
Journal Article
Dhandapani, S., Girkin, N. T., Evers, S., Ritz, K., & Sjögersten, S. (2020). Is Intercropping an Environmentally-Wise Alternative to Established Oil Palm Monoculture in Tropical Peatlands?. Frontiers in Forests and Global Change, 3, Article 70. https://doi.org/10.3389/ffgc.2020.00070

Tropical peatlands in Southeast Asia are important ecosystems that play a crucial role in global biogeochemical cycles, with a potential for strong climate feedback loops. The degradation of tropical peatlands due to the expansion of oil palm plantat... Read More about Is Intercropping an Environmentally-Wise Alternative to Established Oil Palm Monoculture in Tropical Peatlands?.

Greenhouse gas emissions resulting from conversion of peat swamp forest to oil palm plantation (2020)
Journal Article
Cooper, H. V., Evers, S., Aplin, P., Crout, N., Dahalan, M. P. B., & Sjogersten, S. (2020). Greenhouse gas emissions resulting from conversion of peat swamp forest to oil palm plantation. Nature Communications, 11(1), https://doi.org/10.1038/s41467-020-14298-w

© 2020, The Author(s). Conversion of tropical peat swamp forest to drainage-based agriculture alters greenhouse gas (GHG) production, but the magnitude of these changes remains highly uncertain. Current emissions factors for oil palm grown on drained... Read More about Greenhouse gas emissions resulting from conversion of peat swamp forest to oil palm plantation.

Spatial variability of organic matter properties determines methane fluxes in a tropical forested peatland (2018)
Journal Article
Girkin, N. T., Vane, C. H., Cooper, H. V., Moss-Hayes, V., Craigon, J., Turner, B. L., …Sjögersten, S. (2019). Spatial variability of organic matter properties determines methane fluxes in a tropical forested peatland. Biogeochemistry, 142(2), 231-245. https://doi.org/10.1007/s10533-018-0531-1

Tropical peatland ecosystems are a significant component of the global carbon cycle and feature a range of distinct vegetation types, but the extent of links between contrasting plant species, peat biogeochemistry and greenhouse gas fluxes remains un... Read More about Spatial variability of organic matter properties determines methane fluxes in a tropical forested peatland.

Composition and concentration of root exudate analogues regulate greenhouse gas fluxes from tropical peat (2018)
Journal Article
Girkin, N., Turner, B., Ostle, N., & Sjögersten, S. (2018). Composition and concentration of root exudate analogues regulate greenhouse gas fluxes from tropical peat. Soil Biology and Biochemistry, 127, 280-285. https://doi.org/10.1016/j.soilbio.2018.09.033

Tropical peatlands are a significant carbon store and source of carbon dioxide (CO2) and methane (CH4) to the atmosphere. Plants can contribute to these gas emissions through the release of root exudates, including sugars and organic acids amongst ot... Read More about Composition and concentration of root exudate analogues regulate greenhouse gas fluxes from tropical peat.

Root-derived CO2 flux from a tropical peatland (2018)
Journal Article
Girkin, N., Turner, B., Ostle, N., & Sjögersten, S. (2018). Root-derived CO2 flux from a tropical peatland. Wetlands Ecology and Management, 26(5), 985-991. https://doi.org/10.1007/s11273-018-9617-8

Tropical peatlands release significant quantities of greenhouse gases to the atmosphere, yet the relative contributions of heterotrophic and autotrophic respiration to net CO2 fluxes remains sparsely quantified. We used a combination of in situ trenc... Read More about Root-derived CO2 flux from a tropical peatland.

Exploring drivers of litter decomposition in a greening Arctic: results from a transplant experiment across a tree-line (2018)
Journal Article
Parker, T. C., Sanderman, J., Holden, R. D., Blume-Werry, G., Sjögersten, S., Large, D., …Wookey, P. A. (2018). Exploring drivers of litter decomposition in a greening Arctic: results from a transplant experiment across a tree-line. Ecology, 99(10), 2284-2294. https://doi.org/10.1002/ecy.2442

Decomposition of plant litter is a key control over carbon (C) storage in the soil. The biochemistry of the litter being produced, the environment in which the decomposition is taking place, and the community composition and metabolism of the decompo... Read More about Exploring drivers of litter decomposition in a greening Arctic: results from a transplant experiment across a tree-line.

Tropical peatland vegetation structure and biomass: optimal exploitation of airborne laser scanning (2018)
Journal Article
Brown, C., Boyd, D., Sjögersten, S., Clewley, D., Evers, S., & Aplin, P. (2018). Tropical peatland vegetation structure and biomass: optimal exploitation of airborne laser scanning. Remote Sensing, 10(5), Article 671. https://doi.org/10.3390/rs10050671

Accurate estimation of above ground biomass (AGB) is required to better understand the variability and dynamics of tropical peat swamp forest (PSF) ecosystem function and resilience to disturbance events. The objective of this work is to examine the... Read More about Tropical peatland vegetation structure and biomass: optimal exploitation of airborne laser scanning.

Temperature response of ex-situ greenhouse gas emissions from tropical peatlands: interactions between forest type and peat moisture conditions (2018)
Journal Article
Sjögersten, S., Aplin, P., Gauci, V., Peacock, M., Siegenthaler, A., & Turner, B. (2018). Temperature response of ex-situ greenhouse gas emissions from tropical peatlands: interactions between forest type and peat moisture conditions. Geoderma, 324, https://doi.org/10.1016/j.geoderma.2018.02.029

Climate warming is likely to increase carbon dioxide (CO2) and methane (CH4) emissions from tropical wetlands by stimulating microbial activity, but the magnitude of temperature response of these CO2 and CH4 emissions, as well as variation in tempera... Read More about Temperature response of ex-situ greenhouse gas emissions from tropical peatlands: interactions between forest type and peat moisture conditions.

High heterotrophic CO2 emissions from a Malaysian oil palm plantations during dry-season (2017)
Journal Article
Matysek, M., Evers, S., Samuel, M. K., & Sjogersten, S. (in press). High heterotrophic CO2 emissions from a Malaysian oil palm plantations during dry-season. Wetlands Ecology and Management, https://doi.org/10.1007/s11273-017-9583-6

Abstract Tropical peatlands are currently being rapidly cleared and drained for the establishment of oil palm plantations, which threatens their globally significant carbon sequestration capacity. Large-scale land conversion of tropical peatlands... Read More about High heterotrophic CO2 emissions from a Malaysian oil palm plantations during dry-season.

Root exudate analogues accelerate CO2 and CH4 production in tropical peat (2017)
Journal Article
Girkin, N., Turner, B., Ostle, N., Craigon, J., & Sjögersten, S. (2018). Root exudate analogues accelerate CO2 and CH4 production in tropical peat. Soil Biology and Biochemistry, 117, https://doi.org/10.1016/j.soilbio.2017.11.008

Root exudates represent a large and labile carbon input in tropical peatlands, but their contribution to carbon dioxide (CO2) and methane (CH4) production remains poorly understood. Changes in species composition and productivity of peatland plant co... Read More about Root exudate analogues accelerate CO2 and CH4 production in tropical peat.

Quality not quantity: organic matter composition controls of CO?and CH?fluxes in neotropical peat profiles (2016)
Journal Article
Hoyos-Santillan, J., Lomax, B. H., Large, D., Turner, B. L., Boom, A., Lopez, O. R., & Sjögersten, S. (2016). Quality not quantity: organic matter composition controls of CO₂and CH₄fluxes in neotropical peat profiles. Soil Biology and Biochemistry, 103, https://doi.org/10.1016/j.soilbio.2016.08.017

Tropical peatlands represent an important source of carbon dioxide (CO₂) and methane (CH₄) to the atmosphere. However, we do not know where in the peat profile these gases are produced and how controlling factors, such as substrate quality, which can... Read More about Quality not quantity: organic matter composition controls of CO?and CH?fluxes in neotropical peat profiles.

Long-term reindeer grazing limits warming-induced increases in CO2 released by tundra heath soil: potential role of soil C quality (2015)
Journal Article
Väisänen, M., Sjogersten Turner, S., Large, D., Drage, T., & Stark, S. (2015). Long-term reindeer grazing limits warming-induced increases in CO2 released by tundra heath soil: potential role of soil C quality. Environmental Research Letters, 10(9), Article 094020. https://doi.org/10.1088/1748-9326/10/9/094020

© 2015 IOP Publishing Ltd. The current climate warming in the Arctic may increase the microbial degradation of vast pools of soil carbon (C); however, the temperature sensitivity of decomposition is often highly dependent on the quality of accumulate... Read More about Long-term reindeer grazing limits warming-induced increases in CO2 released by tundra heath soil: potential role of soil C quality.