Publikasjoner
NIBIOs ansatte publiserer flere hundre vitenskapelige artikler og forskningsrapporter hvert år. Her finner du referanser og lenker til publikasjoner og andre forsknings- og formidlingsaktiviteter. Samlingen oppdateres løpende med både nytt og historisk materiale. For mer informasjon om NIBIOs publikasjoner, besøk NIBIOs bibliotek.
2014
Forfattere
Jens Kværner Ole Martin Eklo Eivind Solbakken Ivar Solberg Stein SorknesSammendrag
The study examines the influence of agricultural activities on pesticides in groundwater in an area with fluvial deposits of sand with a top layer of sandy silt and silt, intensive cultivation of potatoes and cereals, and drinking water supplies of households from local groundwater wells. Information about local agricultural practice and washing sites for pesticide spraying equipment, properties of soils and deeper deposits, hydrogeology and groundwater flow, simulations of pesticide leaching, and contents of pesticides and nitrate in groundwater samples from drinking water wells was used to explore extension and reasons of pesticide contamination of groundwater. Pesticides were found in a majority of the sampled wells. Eight different pesticides and metabolites were detected in groundwater samples. The results demonstrate that on fluvial deposits diffuse pollution from spraying of fields with pesticides can result in groundwater contamination in Nordic climate. Higher concentrations of pesticides in some wells can be explained by point source contamination from washing sites. The occurrence of pesticides in drinking water wells touches up the question whether pesticides should be given general approvals, or approvals should include restrictions or recommendations regarding use on areas with high risk of groundwater contamination. Combination of washing sites for pesticide spraying equipment and groundwater wells for drinking water requires attention, proper equipment and practice, and knowledge about pesticides, soil and water to avoid contamination. Samples from wells adjacent to washing sites for pesticide equipment might overestimate average pesticide concentrations in groundwater bodies. In Nordic areas attention should be given to pesticide pollution of shallow groundwater in fluvial deposits. To provide basis for interpretation of results and planning of mitigation measures against pesticide contamination, an integrated approach using information about agronomical practice and point sources, soil properties, hydrogeology and simulations of pesticide leaching is recommended for future surveys and monitoring of pesticides in groundwater.
Forfattere
Linn Solli Othilde Else Håvelsrud Svein Jarle Horn Anne Gunn Larsen RikeSammendrag
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Forfattere
Bianca Cavicchi John Marshall Bryden Matteo VittuariSammendrag
Det er ikke registrert sammendrag
Forfattere
Lene Sigsgaard Cyril Naulin Solveig Haukeland Kristian Kristensen Annie Enkegaard Nauja Lisa Jensen Jørgen EilenbergSammendrag
Det er ikke registrert sammendrag
Forfattere
Karin Westrum Vanessa da Silveira Duarte Richard A. Humber Italo Jr Delalibera Ingeborg KlingenSammendrag
Det er ikke registrert sammendrag
Sammendrag
Det er ikke registrert sammendrag
Forfattere
Stig Strandli GezeliusSammendrag
Det er ikke registrert sammendrag
Forfattere
Faical Akaichi Rodolfo M. Jr. Nayga Jose M. GilSammendrag
Det er ikke registrert sammendrag
Forfattere
Emir Malikov Subal Chandra KumbhakarSammendrag
Det er ikke registrert sammendrag
Forfattere
Arnstein Øvrum Elling BereSammendrag
To assess impacts of the nationwide Norwegian School Fruit Scheme (NSFS) using nationally representative data. The NSFS is organized such that primary-school children (grades 1–7) are randomly assigned to one of three school fruit arrangements: (i) the child receives one free fruit or vegetable per day; (ii) the child is given the option to subscribe to one fruit or vegetable per day at a subsidized price; and (iii) the child attends a school that has no school fruit arrangement. Data from an Internet survey are used to compare child and parental fruit and vegetable intakes across the three NSFS groups focusing mainly on groups (i) and (iii). The analysis was conducted using multivariate regression techniques. Parents of primary-school children (n 1423) who report on behalf of themselves and their children. Children who receive free school fruit eat on average 0·36 more fruit portions daily – or 25·0 % more fruits – than children who attend schools with no fruit arrangement (P < 0·001). Moreover, parents of children who receive free school fruit eat on average 0·19 more fruit portions daily – or 12·5 % more fruits – than parents of children who attend schools with no fruit arrangement (P = 0·040). No significant associations were found between the NSFS and the vegetable intakes of children and their parents. The study shows, using nationally representative data, that free school fruit is associated with increased child fruit intake and that it may also affect parental fruit intake.