|
|
|
|
|
| Leifeld, Jens; Alewell, Christine; Bader, Cédric; Krüger, Jan Paul; Mueller, Carsten W.; Sommer, Michael; Steffens, Markus; Szidat, Sönke. |
| Pyrogenic carbon (PyC) derives from incomplete combustion of organic matter and is ubiquitous in terrestrial and aquatic systems. Most PyC is inherently more stable against decomposition than plant residues, and PyC therefore forms an important component of the global carbon (C) cycle. During the Holocene, about 436 Pg organic C accumulated in northern peatlands, and we hypothesize that PyC may contribute substantially to that C stock. We studied 70 samples from 19 intact and degraded European peatland sites and analyzed their PyC content by 13C nuclear magnetic resonance spectroscopy and molecular modeling and peat age and accumulation by radiocarbon dating. Classification of a peatland as either intact or degraded was based on the comparison between... |
| Tipo: Journal paper |
Palavras-chave: Soil. |
| Ano: 2018 |
URL: http://orgprints.org/34486/1/leifeldetal-2018-LandDegradDevelop-Vol29-p2082%E2%80%932091.pdf |
| |
|
|
| Ferré, Marie; Müller, Adrian; Leifeld, Jens; Bader, Cédric; Müller, Moritz; Engel, Stefanie; Wichmann, Sabine. |
| Major common production activities on organic soils require drainage, which results in the loss of important ecosystem services such as carbon storage. This paper provides an overview of the farming situation on organic soils in a western region of Switzerland characterized by intensive vegetable farming and therefore by high opportunity costs of adopting sustainable practices on these soils. Based on a review of the academic and grey literature and interviews with regional experts, we find that the main challenges to a change in management practices include the profitability of the current land use, the difficult economic environment of farmers, the cultural background associated with the region, and the absence of systematic data on soil properties. We... |
| Tipo: Journal paper |
Palavras-chave: Soil; Switzerland. |
| Ano: 2019 |
URL: http://orgprints.org/35588/1/Ferre-etal-2019-LUP-Vol87-p104019.pdf |
| |
|
|
|
