What is it about?
We investigated climatic trends in two contrasting locations in Europe at a regional level (Wielkopolska province, central Poland and Troms county, northern Norway) and at two specific sites (Brody and Holt, respectively), and we analysed how these trends are associated with the dry matter yield (DMY) of agriculturally improved grasslands.
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Why is it important?
Significant trends of increased mean air temperatures annually, and in April, June, July, August and November were identified both at the regional and site levels in Wielkopolska. In addition, growing degree days were increasing in Wielkopolska. In Troms, the common trends for the region and site studied were increase in mean air temperature in May and decrease in January. Grassland DMY was subsequently regressed against those meteorological variables for which significant trends were detected. In the Wielkopolska region, yields were negatively associated with the increase in air temperature in June, August, and the annual air temperature. The last relationship was also detected at the site level. We did not find any significant effects of climate trends on grassland DMY in the Norwegian study site or region.
Perspectives
Writing this article was a great pleasure as it has co-authors with whom I have had long standing collaborations, e.g. within the Polish-Norwegian Research Programme Project ‘Finegrass’.
prof. dr hab. Piotr Goliński
Uniwersytet Przyrodniczy w Poznaniu
Read the Original
This page is a summary of: Relationship between climate trends and grassland yield across contrasting European locations, Open Life Sciences, December 2018, De Gruyter,
DOI: 10.1515/biol-2018-0070.
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