Blar i Department of Biological Sciences på tittel
Viser treff 1002-1021 av 2230
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High resolution Late-glacial and early-Holocene summer air temperature records from Scotland inferred from Chironomid assemblages
(Peer reviewed; Journal article, 2012-05-18)Lateglacial and early-Holocene mean July air temperatures have been reconstructed, using a chironomid-based inference model, from lake-sediment sequences from Abernethy Forest, in the eastern Highlands of Scotland, and ... -
High-elevation limits and the ecology of high-elevation vascular plants: legacies from Alexander von Humboldt
(Journal article; Peer reviewed, 2021)Alexander von Humboldt and Aimé Bonpland in their Essay on the Geography of Plants discuss what was known in 1807 about the elevational limits of vascular plants in the Andes, North America, and the European Alps and suggest ... -
High-quality draft genome of the methanotroph Methylovulum psychrotolerans Str. HV10-M2 isolated from plant material at a high-altitude environment
(Peer reviewed; Journal article, 2018-04-12)Here we present the genome of Methylovulum psychrotolerans strain HV10-M2, a methanotroph isolated from Hardangervidda national park (Norway). This strain represents the second of the two validly published species genus ... -
High-throughput metabarcoding of eukaryotic diversity for environmental monitoring of offshore oil-drilling activities
(Peer reviewed; Journal article, 2016-09)As global exploitation of available resources increases, operations extend towards sensitive and previously protected ecosystems. It is important to monitor such areas in order to detect, understand and remediate environmental ... -
High-value fatty acids from microalgae. Bioprospecting and outdoor cultivation at northern latitudes
(Doctoral thesis, 2018-05-11)Achieving a sustainable and cost-efficient production is imperative to establish microalgae as a new feedstock for aquaculture, where they can potentially replace the use of fish oil from wild catch as a source for the ... -
Higher mortality of the less suitable brown trout host compared to the principal Atlantic salmon host when infested with freshwater pearl mussel (Margaritifera margaritifera) glochidia
(Journal article; Peer reviewed, 2021)The freshwater pearl mussel (Margaritifera margaritifera) is a highly host-specific parasite, with an obligate parasitic stage on salmonid fish. Atlantic salmon (Salmo salar) and brown trout (Salmo trutta f. trutta and ... -
Highest treeline in the Northern Hemisphere found in Southern Tibet
(Peer reviewed; Journal article, 2007)Three new records of the highest treelines in the northern hemisphere are presented here, based on the definition of a “tree.” The tree species with the highest treeline in the northern hemisphere is Juniperus tibetica ... -
Highly conserved composite transposon harbouring aerobactin iuc3 in Klebsiella pneumoniae from pigs
(Journal article; Peer reviewed, 2023)Klebsiella pneumoniae is an important opportunistic pathogen associated with severe invasive disease in humans. Hypervirulent K. pneumoniae, which are K. pneumoniae with several acquired virulence determinants such as the ... -
Histochemical characterization of AGD lesions in ballan wrasse (Labrus bergylta)
(Master thesis, 2017-07-07)With the increasing problem of sea lice (Lepeoptheirus salmonis) in production of Atlantic salmon (Salmo salar), the use of biological and non-drug treatments, such as cleaner fish, like ballan wrasse (Labrus bergylta) and ... -
Histone complement of a rapidly evolving chordate Oikopleura dioica: Developmental and sex-specific deployment of novel and universal histone variants and their posttranslational modifications
(Doctoral thesis, 2010-10-22)The packaging of DNA into nucleosomes is a fundamentally conserved property of the eukaryotic nucleus which is evident in the conservation of histone sequences. Nevertheless, it is now clear that histone sequence variants ... -
Histone variant innovation in a rapidly evolving chordate lineage
(Peer reviewed; Journal article, 2011-07-15)Background: Histone variants alter the composition of nucleosomes and play crucial roles in transcription, chromosome segregation, DNA repair, and sperm compaction. Modification of metazoan histone variant lineages occurs ... -
Historical changes in macroalgal communities in Hardangerfjord (Norway)
(Peer reviewed; Journal article, 2014)Hardangerfjord is the second largest fjord in Norway and is situated on the southwest coast. During the last century the fjord has been influenced by a variety of anthropogenous activities such as industry, hydro-electrical ... -
HIV-1 Rev oligomerization is not obligatory in the presence of an extra basic domain
(Peer reviewed; Journal article, 2005-06-10)Background: The HIV-1 Rev regulatory protein binds as an oligomeric complex to viral RNA mediating nuclear export of incompletely spliced and non-spliced viral mRNAs encoding the viral structural proteins. However, the ... -
A Holarctic Biogeographical Analysis of the Collembola (Arthropoda, Hexapoda) Unravels Recent Post-Glacial Colonization Patterns
(Peer reviewed; Journal article, 2011-06-29)We aimed to describe the main Arctic biogeographical patterns of the Collembola, and analyze historical factors and current climatic regimes determining Arctic collembolan species distribution. Furthermore, we aimed to ... -
Holocene changes in atmospheric circulation recorded in the oxygen-isotope stratigraphy of lacustrine carbonates from northern Sweden
(Peer reviewed; Journal article, 2002)The oxygen-isotope composition of local precipitation (d18OP) is reconstructed from carbonate lake-sediment components in a sediment core covering the last 10000 calendar years from Lake Tibetanus, a small, hydrologically ... -
Holocene climatic change reconstructed from diatoms, chironomids, pollen and near-infrared spectroscopy at an alpine lake (Sjuodjijaure) in northern Sweden
(Peer reviewed; Journal article, 2001)The results of a multiproxy study reconstructing the climate history of the last 9300 years in northern Sweden are presented. It is based on diatom, chironomid and pollen analyses, as well as near-infrared spec troscopy ... -
Holocene environmental and climate history of Trettetjørn, a low-alpine lake in Western Norway, based on subfossil pollen, diatoms, oribatid mites, and plant macrofossils
(Peer reviewed; Journal article, 2006)Holocene lake and catchment environmental history and regional climate are reconstructed from lake sediments at Trettetjørn, a small lake situated close to the present-day treeline in western Norway. Sediments began to ... -
Holocene fire and vegetation dynamics in the Central Pyrenees (Spain)
(Journal article; Peer reviewed, 2020)Fire-vegetation relationships are critical to understand transient mountain ecosystems and their long-term landscape dynamics, which is essential for alpine forest conservation. In this paper we aim to (1) reconstruct the ... -
Holocene forest development and tree-limit changes in Ridalen, in the Røros mountains
(Master thesis, 2010-07-02)Holocene forest development, tree migration and tree-line fluctuations have been reconstructed from peat sequences, derived from two study localities situated along an altitudinal transect between the north boreal and low ... -
Holocene mean July temperature and winter precipitation in western Norway inferred from palynological and glaciological lake-sediment proxies
(Peer reviewed; Journal article, 2005)Reconstructions of mean July temperature (Tjul) and winter precipitation (Pw) for the last 11/500 years on the Folgefonna peninsula are presented. Tjul was reconstructed using pollen-climate transfer functions and Pw was ...