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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.

2020

Sammendrag

I dag, 2. februar, markerer vi den internasjonale våtmarksdagen. Rundt om i Norge har vi fortsatt mange store og små næringsrike våtmarker som utgjør livsviktige oaser for rastende vadefugler, hekkende fugler, samt vannelskende dyr, planter og insekter. Målet med «World Wetland Day» er å skape økt bevissthet omkring våtmarkene og deres betydning for det biologiske mangfoldet.

Sammendrag

Våronna kom tidlig i gang som følge av en varm og tørr april på Østlandet. Mye regn i april og kjølig maivær bremset imidlertid starten på våronna mange steder i landet, og beregnet vekststart varierte fra månedsskiftet mars/april i sør, til slutten av mai i nord. En varm juni med mange varmerekorder ble etterfulgt av en kald juli. Juli var også våt, spesielt sør og sørvest i landet, mens det var varmere og tørrere enn normalt i Nord-Norge. Fint vær i august ga optimale høsteforhold på Østlandet, mens det var dårlig vær og svært vått i vest og i nord. Samlet sett var temperaturen gjennom vekstsesongen 2020 noe over normalen i det meste av landet, mens nedbørmengdene var svært varierende.

Til dokument

Sammendrag

In this study, the effects of aged Ag and TiO2 nanoparticles (NPs), individually and as a mixture, in wastewater relative to their pristine counterparts on the development of the copepod nauplii (Tisbe battagliai) were investigated. NP behavior in synthetic wastewater and seawater was characterized during aging and exposure. A delayed development and subsequent mortality were observed after 6 days of exposure to aged Ag NPs, with a twofold decrease in EC50 (316 μg/L) compared to pristine NPs (EC50 640 μg/L) despite the similar dissolved Ag concentrations measured for aged and pristine Ag NPs (441 and 378 μg/L, respectively). In coexposures with TiO2 NPs, higher dissolved Ag levels were measured for aged NPs (238.3 μg/L) relative to pristine NPs (98.57 μg/L). Coexposure resulted in a slight decrease (15%) in the Ag NP EC50 (270 μg/L) with a 1.9-fold increase in the Ag NP retained within the organisms after depuration (2.82% retention) compared to Ag NP single exposures as measured with sp-ICP− MS, suggesting that the particles are still bioavailable despite the heteroaggregation observed between Ag, Ti NPs, and wastewater components. This study shows that the presence of TiO2 NPs can affect the stability and toxicity of Ag NPs in complex media that cannot be predicted solely based on ionic, total, or nanoparticulate concentrations, and the need for studying NP interactions in more complex matrices is highlighted.

Til dokument

Sammendrag

From the Middle Ages until the twentieth century, water meadows in Europe were primarily irrigated to improve their productivity and to lengthen the growing season. They were water management systems designed to collect and use water and to discharge it: water had to be kept moving. This chapter presents a general overview and a history of research on European water meadows. It also examines examples from the sandy landscapes of northwestern Europe, from Slovakia, and Norway. Three main types of water meadows are distinguished: simple dam systems, more elaborate catchworks, and highly developed bedworks. Of these, bedworks were technically and organizationally the most complex; they were also the most costly in construction and maintenance. Most water meadows were abandoned in the twentieth century; in many places, however, their traces can still be recognized in the landscape. They are both an interesting part of European agrarian and landscape heritage and a carrier of regional identity. In recent years, a number of water meadows have been restored, for ecological, water management, tourism, and heritage purposes.