TRIY9JDR

2785

15 janvier 2021 10:06

15 janvier 2021 10:06

Legume-based grasslands have many advantages. Several earlier studies have shown that perennial legumes help in soil carbon (C) sequestration and mitigation of nitrous oxide (N2O) emissions. Legumebased grasslands are an important part of the regional economy in Finland as they provide high protein fodder for the cattle and thus are highly relevant to the meat and dairy industries. In view of the changing climate, we need to ensure that the fodder grass production is environmentally sustainable. Therefore, we are measuring carbon dioxide (CO2) and N2O balance using the eddy covariance technique at a site near the Luke Kuopio (Maaninka) research station in eastern Finland. We present in this paper seasonal balance of CO2 from a grassland site growing timothy (Phleum pratense L.) and red clover (Trifolium pratense L.) and discuss the climate impact on vegetation dynamics in the legume grassland ecosystem. These data are important in evaluating the impact on the environment of producing a unit kg of meat or a litre of milk.

None

• AB - Modalité bio
• FREDO biologie et travail du sol
• FREDO environnement
• GEO Finlande
• climate change
• eddy covariance technique
• environmental sustainability
• food security
• grassland
• greenhouse gas exchange
• légumineuses

807

10/2020

1 octobre 2020