%A T. Hyv?nen %A E. Huusela-Veistola %A J. Salonen %J Abstracts %T Application of arable weeds as an indicator for the sustainability of agriculture %X Despite the benefits of organic cropping for the biodiversity its significance remained minor due to small acreage. Weed species were shown to differ in their importance to other organisms associated with farmland. Indicator based on these differences proved to be applicable in the assessment of the long-term changes in weed populations, enabling the interpretation of the ecological importance of the changes. %D 2007 %K weeds, indicators, animals %I European Weed Research Society %L orgprints15779