COST 639 final conference
Vienna, 07.03.2011 - 09.03.2011 | BFW Schönbrunn
Programme List of participants List of presentations List of documents Registration Venue

List of presentations
» List of papers with abstracts | » List of posters

Effect of Land-use change on Austrian soils
Robert Jandl and Alexandra Freudenschuss

Effects of land use on soil respiration from Irish agriculture: conversion of grass to arable lands and soil tillage
M. Abdalla, S. Kumar, M. Jones and M. Williams

Changes in land use and soil management can substantially alter soil organic carbon (SOC) dynamics and affect exchanges of CO2 between soil and the atmosphere. Soil respiration (CO2) from a cut and grazed pasture and an arable field in the Irish midlands was investigated. The arable field was converted from a grassland approximately 50 years ago and managed since 2003 under two different tillage systems; conventional and reduced tillage. Soil respiration measurements were carried out from January 2003 to August 2005. Both fields were located on the same soil type, classified as free draining sandy loam soil derived from fluvial glacial gravels with low soil moisture holding capacity. The aims of the study were to investigate seasonal changes in the CO2 fluxes from soils due to land use changes and management, quantify annual CO2 fluxes and evaluate the responses to key driving variables. The average annual flux of CO2 from the grazed pasture was 11.5 t CO2-C ha-1 whilst that from the arable field, conventional and reduced tillage, was 12.2 t CO2 ¿C ha-1. Results show that changes in land use have statistically significant effects (p<0.05) on soil respiration but no significant effects (p>0.05) due to the short-term application of reduced tillage were observed. LAI was an important driving factor for soil respiration with regression r2 = 0.35. Soil temperature exhibit significant exponential relationship with soil respiration (r2 = 0.42, r2 = 0.60 and r2 = 0.45) for the grass and arable conventional and reduced tillage respectively. Significantly negative relationships between soil moisture and soil temperature were found in both fields (r2 = -0.43, r2 = -0.47 and r2 = -0.52) suggesting that soil moisture may have modified soil temperature pattern and affected soil respiration indirectly.

Estimating and reporting carbon stock changes with Yasso07 for land-use change
Lehtonen Aleksi

Estimating soil carbon stock changes by process-based models and soil inventories - uncertainties and complementarities
Annemieke I. Gärdenäs, Per-Erik Jansson, Erik Karltun, Leif Klemendtsson, Aleksi Lehtonen, Carina Ortíz, Taru Palosuo, Magnus Svensson

Future collaboration of the modeling group -- an open discussion.
Marcinkonis Saulius

Greenhouse gas balance in disturbed peatlands
Ken Byrne on behalf of Jukka Alm, Ken Byrne, Jens Leifeld, Ciara Hayes, Narasinha Shurpali

Impact of bioenergy cultivation on drained organic soils in Finland
Shurpali Narasinha

Impacts of warming on mountain soils
Sjogersten Sofie

Land use change effects on soil organic carbon stocks in temperate climate - development of carbon response functions
Poeplau Christopher and co-authors

Poster session with brief introduction
All poster authors

Reporting requirements for the estimation of greenhouse gas emissions and removals of soils in the land use sector
Alexandra Freudenschuss and Zoltan Somogyi and Ciara Hayes and Viorel Bludeja

Role of ecosystem disturbances in C storage and CO2 release from forest soils
Helga Van Miegroet and Mats Olsson

Short-term effect of tillage intensity on N2O and CO2 emissions from Belgian soils
P. Boeckx, K. Van Nieuland, D. Huygens, M.M.R. Jahangir, and O. Van Cleemput

Soil Carbon in Mediterranean Ecosystems and related management problems
Rodeghiero Mirco

Soil model comparison activities under COST639
Taru Palosuo

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