John Couwenberg

Bright spots in peatland conservation, rewetting, and restoration

Renske Vroom, Michelle W. E. van Mulken, Gerald Jurasinski, Franziska Tanneberger et autres

Humans have relied on peatlands for millennia, but their exploitation through drainage-based agriculture, forestry, and peat extraction has led to their widespread degradation. Yet, peatlands play a crucial role in mitigating climate change, pollution, and biodiversity decline. To tackle these crises, humanity …

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Stopping the Leak and Rebuilding the Sink? Positioning Peatland Rewetting as a Climate Change Mitigation Measure

Franziska Koebsch, Vytas Huth, John Couwenberg, Gerald Jurasinski et autres

Peatland rewetting can reduce greenhouse gas (GHG) emissions (stopping the leak) and establish Carbon Dioxide Removals (CDR, rebuild the CO2 sink). Emission reductions and CDR are two distinct climate change mitigation strategies that require tailored accounting methodologies and regulatory designs to ensure …

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Climatic and ecohydrological feedbacks as conditioning factors to peat initiation and accumulation in tropical valley-bottom fens: lessons from East Africa

Lina Schaefer, John Couwenberg, Samer Elshehawi

Tropical peatlands contain substantial carbon stores, but their degradation is increasing. In East African countries, e.g. Burundi, Rwanda and Uganda, more than 50% of the peatland area is drained, predominantly for agriculture. Subsequent peat subsidence rates are estimated to range from 2.66 …

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Hotspots of greenhouse gas emissions from drained peatlands in the European Union

Franziska Tanneberger, Quint van Giersbergen, Alexandra Barthelmes, John Couwenberg et autres

Greenhouse gas (GHG) emissions from drained peatlands account for about 7% of the total anthropogenic GHG emissions in the European Union (EU). Yet, a lack of high-resolution spatial data hampers targeted mitigation. We present results of a recent study (van Giersbergen et …

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Fostering Peat Moss Feedbacks to Accelerate Peatland Restoration

Ralph J. M. Temmink, Benjamin M. Delory, M. Rietkerk, Alfons J. P. Smolders et autres

Extensive knowledge exists on plant-species traits and functions, but we understand less about how population- or community-level emergent traits influence ecosystem functioning. This knowledge gap is important for ecosystems like peatlands, arid drylands, salt marshes, seagrass meadows, and mangroves, where emergent traits …

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Identifying hotspots of greenhouse gas emissions from drained peatlands in the European Union

Quint van Giersbergen, Alexandra Barthelmes, John Couwenberg, Kristiina Lång et autres

Abstract Greenhouse gas (GHG) emissions from drained peatlands account for about 7% of the total anthropogenic GHG emissions in the European Union (EU). Yet, a lack of high-resolution spatial data hampers targeted mitigation. We combined soil and land use data to generate …

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Automatic Vegetation Mapping in Peatlands Using Drone Imagery and Ecologically Informed Machine Learning

Mario Trouillier, Liam Daniel, Timothy Husting, Henriette Rossa et autres

Drained peatlands emit vast amounts of greenhouse gases (GHGs), contributing around 4 % of global GHG emissions. Rewetting peatlands, thus, has the potential to lower global emissions significantly. Restoring drained peatlands to protect the peat body, restore species-rich peat-forming plant communities, and …

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Improving water table interpolation accuracy using high-resolution LiDAR-based Digital Elevation Models from drone surveys

Timothy Husting, Görres Grenzdörffer, Gerald Jurasinski, John Couwenberg et autres

Introduction Peatlands play a key role in storing carbon (C), as in their natural state they act as a C-sink by maintaining high water levels. When peatlands are drained for agricultural purposes, they are a significant source of greenhouse gas emissions. The …

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Identifying hotspots of greenhouse gas emissions from drained peatlands in the European Union

Quint van Giersbergen, Alexandra Barthelmes, John Couwenberg, Christian Fritz et autres

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Peatlands in the Brazilian Cerrado: insights into knowledge, status and research needs

Felix Beer, Cássia Beatriz Rodrigues Munhoz, John Couwenberg, Ingrid Horák‐Terra et autres

Wetlands play an important role for water, carbon storage and biodiversity in the seasonally dry and hot environments of tropical savannas. Peatlands, which are permanent wetlands, are important as the carbon-richest parts of wetland ecosystems with a strong ability to store carbon, …

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Plant roots but not hydrology control microbiome composition and methane flux in temperate fen mesocosms

Marc Piecha, Jüergen Kreyling, John Couwenberg, Michael Pester et autres

The rewetting of formerly drained peatlands can help to counteract climate change through the reduction of CO2 emissions. However, this can lead to resuming CH4 emissions due to changes in the microbiome, favoring CH4-producing archaea. How plants, hydrology and microbiomes interact as …

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Quantifying ecosystem services of rewetted peatlands − the MoorFutures methodologies

Franziska Tanneberger, Augustín Berghöfer, Kristina Brust, Jenny Hammerich et autres

In 2011, MoorFutures® were introduced as the first standard for generating credits from peatland rewetting. We developed methodologies to quantify ecosystem services before and after rewetting with a focus on greenhouse gas emissions, water quality, evaporative cooling and mire-typical biodiversity. Both standard …

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