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Now showing items 1-100 of 758
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2016)
Complete mitochondrial genomes of five syllids (Streptosyllis sp., Eusyllis blomstrandi, Myrianida brachycephala, Typosyllis antoni and Typosyllis sp.) have been obtained using Illumina sequencing. Together with two previous ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2016)
Abstract.—Phylogenomic studies have improved understanding of deep metazoan phylogeny and show promise for resolving incongruences among analyses based on limited numbers of loci. One region of the animal tree that has ...
(Journal article / Tidsskriftartikkel / SubmittedVersion, 2016)
Sperm morphological traits are highly variable among species and are commonly thought to evolve by post-copulatory sexual selection. However, little is known about the evolutionary dynamics of sperm morphology, and whether ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)
Natural history museum collections represent a vast source of ancient and historical DNA samples from extinct taxa that can be utilized by high-throughput sequencing tools to reveal novel genetic and phylogenetic information ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Background
Microhabitat changes are thought to be among the main drivers of diversification. However, this conclusion is mostly based on studies on vertebrates. Here, we investigate the influence of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
The workshop-hackathon was convened by the Global Biodiversity Information Facility (GBIF) at its secretariat in Copenhagen over 22-24 May 2013 with additional support from several projects (RCN4GSC, EAGER, VertNet, BiSciCol, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Background
Postzygotic isolation in the form of reduced viability and/or fertility of hybrids may help maintain species boundaries in the face of interspecific gene flow. Past hybridization events between ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
The family Ichneumonidae represents a very species-rich family of parasitoid Hymenoptera. In Norway, 1583 different Ichneumonid species have been reported so far. The present survey gives distributional records for 98 ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
The two aphid species Panaphis juglandis (Goeze, 1778) and Chromaphis juglandicola (Kaltenbach, 1843) were recorded on leaves of common walnut (Juglans regia L.) in June and July 2014 in the Botanical garden at Tøyen, Oslo. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Background
The population size of Atlantic walruses (Odobenus rosmarus rosmarus) is depleted relative to historical abundance levels. In Svalbard, centuries of over-exploitation brought the walrus herds to ...
(Book / Bok / PublishedVersion, 2014)
Predictive characterizationPredictive characterization methods use ecogeographical and climatic data derived from the specific location of a collecting or observation site, to predict characteristics of accessions and ...
(Research report / Forskningsrapport / PublishedVersion, 2016)
Human wellbeing and food security in a changing climate depend on productive and sustainable agriculture. For this, policies based on analyses and research results are vital to establish conservation priorities of natural ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
Background: Heligmosomoides polygyrus is a widespread gastro-intestinal nematode infecting wild Apodemus (wood mice) throughout Europe. Using molecular and morphological evidence, we review the status of Heligmosomoides ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
Abundant new ichthyosaur material has recently been documented in the Slottsmøya Member of the Agardhfjellet Formation from the Svalbard archipelago of Norway. Here we describe a partial skeleton of a new taxon, Janusaurus ...
(Doctoral thesis / Doktoravhandling, 2016)
The easier access to increasingly powerful computational approaches and tools in the field of distribution modelling, has contributed to a proliferation of data, applications, practitioners, guidelines, and novel theoretical ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
The study of the family Encyrtidae at the Natural History Museum of Oslo continues. Sixteen species are reported for the first time from Norway in this revision, bringing the total number of Norwegian encyrtids up to 123. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Background
A median, segmented, annelid nerve cord has repeatedly been compared to the arthropod and vertebrate nerve cords and became the most used textbook representation of the annelid nervous system. ...
(Research report / Forskningsrapport, 1953)
Field station lists and maps
Original station descriptions and maps from a sampling project: collecting marine benthic invertebrates during annual summer period cruises 1950-1953 with research vessel R/V “G.M. Dannevig”. ...
(Doctoral thesis / Doktoravhandling, 2018)
Despite the similar function of all sperm cells – to fertilise the egg – there is extraordinary diversity in sperm shape and length across taxa. This thesis aims to improve our understanding of how this diversity has ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The PhytoAuthent project was structured to gather, test, develop and apply, in real life case scenarios, molecular techniques, such as biochemical fingerprinting and DNA sequence-based methods, for plant identification of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The Eggvin Bank, located between the Jan Mayen Island and Greenland, is an unusually shallow area containing several submarine volcanic peaks, confined by two transforms on the Northern Kolbeinsey Ridge (NKR). We represent ...
(Chapter / Bokkapittel / AcceptedVersion; Peer reviewed, 2017)
(Chapter / Bokkapittel / AcceptedVersion; Peer reviewed, 2017)
© 2017 South African National Biodiversity Institute Pretoria
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Studying herbal products derived from local and traditional knowledge and their value chains is one of the main challenges in ethnopharmacology. The majority of these products have a long history of use, but non-harmonized ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
New records and barcodes are given for three species of Psychodidae not previously recorded from Norway; Telmatoscopus advena (Eaton, 1893), Parajungiella pseudolongicornis (Wagner, 1975) and Psychoda erminea Eaton, 1898. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The Eichigt granite is one of two apical intrusions forming the concealed massif of Eichigt−Schönbrunn in the Erzgebirge−Vogtland metallogenic province of Germany. It represents a peraluminuous, medium-grained, Si-rich ...
(Journal article / Tidsskriftartikkel / SubmittedVersion, 2018)
Cryptic species could represent a substantial fraction of biodiversity. However, inconsistent definitions and taxonomic treatment of cryptic species prevent informed estimates of their contribution to biodiversity and ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
The tribe Meteorini comprises the two genera Meteorus Haliday, 1835 and Zele Curtis, 1832, and materials of these genera has been examined in the collections of the Natural History Museum in Oslo. Nine species not previously ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
The aim of this study is to examine the effect of individual canopy tree on the species composition and abundance of understorey vegetation in subtropical forests, by applying a model for tree influence on understorey ...
(Doctoral thesis / Doktoravhandling, 2009)
The Gardnos structure in Hallingdal, Norway is an eroded impact crater, presently consisting of impactites and crater infill sediments exposed within a roughly circular area of about five
km diameter. Investigations in ...
(Doctoral thesis / Doktoravhandling, 2007)
Reconstructing molecular phylogenies and unraveling biogeographic histories of arctic plants are needed to obtain better insights
into the processes of evolution, dispersal and colonization in this young biome. Studies ...
(Doctoral thesis / Doktoravhandling, 2010)
This thesis addresses the spatial distribution and dynamics of vascular plant species in modern agricultural landscapes in SE Norway. This is done by analysing several data sets for species composition and environmental ...
(Doctoral thesis / Doktoravhandling, 2008)
The principal aim of this study was to investigate vegetation-environment relationships and examine patterns of changes in forest understorey vegetation in five Chinese subtropical forests. Furthermore, an Ecological Field ...
(Doctoral thesis / Doktoravhandling, 2007)
The mapping of genealogical relationships between individuals, populations, subspecies and species is important for studies of evolutionary processes and biodiversity, and for conservation decisions. In this thesis, I have ...
(Doctoral thesis / Doktoravhandling, 1917)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2009)
We describe an incomplete postcranial skeleton of Catopsbaatar catopsaloides from the ?late Campanian red beds of Hermiin Tsav I, in the Gobi Desert, Mongolia. The skeleton is fragmentary and the preservation of bone surface ...
(Doctoral thesis / Doktoravhandling, 2009)
This thesis presents a study of vegetation and plant population dynamics in a local vegetation–environment context, and examines the importance of management regimes for the maintenance of grassland species.
In the modern, ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2018)
Ethnopharmacological relevance: More than 15,000 angiosperm species are dioecious, i.e., having distinct male and female individual plants. The allocation of resources between male and female plants is different, and also ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Local markets provide a rapid insight into the medicinal plants growing in a region as well as local traditional health concerns. Identification of market plant material can be challenging as plants are often sold in dried ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Many herbal products have a long history of use, but there are increasing concerns over product efficacy, safety and quality in the wake of recent cases exposing discrepancies between labeling and constituents. When it ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2010)
The conspicuous icneumonid fly Stauropoctonus bombycivorus (Gravenhorst, 1829) is recorded for the first time in Norway. Four specimens have been captured in light-traps at three different localities in 2007: Hvaler in ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
Eleven specimens of Camilla flavicauda Duda 1922 were accidentally reared indoors in Oslo, and a twelfth one was later found free living. In addition, four old specimens of Camilla glabra (Fallén, 1823) were found in the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
Females of the autumn crane fly Tipula (Platytipula) moiwana (Matsumura, 1916) were collected along the river Ljanselva in Oslo. This species was hitherto only known from the easternmost Palaearctic and from the Moscow and ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1998)
The remarkable leafhopper Ledra aurita (Linnaeus, 1758) has been rediscovered in Norway. Three specimens were captured at light at Ø, Hvaler: Asmaløy (EIS 12) in July-Aug. 1995. An unpublished record from AK, Frogn: Drøbak ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
The collection of the family Encyrtidae at the Natural History Museum of Oslo is revised, and this study focuses on the ethanol-preserved material in particular. Sixteen species are reported for the first time from Norway, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
The collection of the family Encyrtidae at the Natural History Museum of Oslo is revised, and this study focuses on the ethanol preserved material in particular. Eighteen species are reported for the first time from Norway, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
The agromyzid fly Phytomyza arnicae Hering, 1925 is reported from Norway for the first time. This species is exclusively associated with Arnica montana L., where the larvae are leaf-miners. Mining larvae were collected in ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2007)
This contribution deals with additions and corrections to the list of Norwegian Coleoptera. The following three species are reported for the first time from Norway: Nicrophorus interruptus Stephens, 1830 (Silphidae), ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
The ichneumonid wasp Neorhacodes enslini (Ruschka, 1922) is recorded for the first time in Norway. A single female was caught in a Malaise-trap at Abildsø, Østensjøvannet, Oslo municipality (AK; EIS 28), July 1996. This ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2010)
The cynipoid family Ibaliidae is revised for Norway. Eight specimens where traced, all belonging to Ibalia rufipes Cresson, 1879. Records are present from Rollag municipality in Buskerud, Ullensaker, Sørum, and Skedsmo in ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2016)
Sperm morphology is highly diversified across the animal kingdom and recent comparative evidence from passerine birds suggests that postcopulatory sexual selection is a significant driver of sperm evolution. In the present ...
(Doctoral thesis / Doktoravhandling, 2013)
The main objectives of this thesis are to study patterns and processes of plant speciation in arctic and alpine diploid plants. Cryptic species are here referred to as morphologically similar individuals belonging to the ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2016)
Birds show considerable variation in sperm morphology. Closely related species and subspecies can show diagnostic differences in sperm size. There is also variation in sperm size among males within a population, and recent ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2016)
Sperm morphology is highly diversified among species and at higher taxonomic levels. In birds, there is also increasing evidence of geographical differentiation in sperm traits within species, especially in those with ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2016)
A recent comparative analysis of passerine birds found that the frequency of extra-pair paternity was positively associated with neutral genetic diversity. It has been hypothesised that migratory species have more extra-pair ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2015)
Taxonomy is being increasingly informed by genomics. Traditionally, taxonomy has relied extensively on phenotypic traits for the identification and delimitation of species, though with a growing influence from molecular ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
The study of biodiversity spans many disciplines and includes data pertaining to species distributions and abundances, genetic sequences, trait measurements, and ecological niches, complemented by information on collection ...
(Doctoral thesis / Doktoravhandling, 2014)
The present PhD thesis, entitled “Gyrodactylids on European salmonids hosts: genomics, phylogeography and speciation”, presents a number of significant contributions to the field of evolutionary biology. It offers novel ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The assessment of evolutionary divergences within subspecies complexes provide an effective short-cut for estimating intraspecific genetic diversity, which is relevant for conservation actions. We explore new evidence ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
The Larvik Plutonic Complex (LPC) contains pegmatites with a wide array of mineral assemblages and morphological features. The pegmatites have traditionally been described as nepheline syenite and syenite pegmatites which ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Bohseite is an orthorhombic calcium beryllium aluminosilicate with variable Al content and an endmember formula Ca4Be4Si9O24(OH4), that was discovered in the Piława Górna quarry in the eastern part of the Góry Sowie Block, ...
(Master thesis, Group thesis / Hovedoppgave, Gruppeoppgave, 2014)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
The typically repetitive nature of the sex-limited chromosome means that it is often excluded from or poorly covered in genome assemblies, hindering studies of evolutionary and population genomic processes in non-recombining ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Background
One of the biggest challenges in avian taxonomy is the delimitation of allopatric species because their reproductive incompatibility cannot be directly studied in the wild. Instead, reproductive ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)
Capsule: Providing peanuts on bird feeders was shown to attract more individuals and more species than providing cheese or bread.
Aims: To investigate how the provision of different human-derived foods affected visit rates ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
Long-distance dispersal (LDD) processes influence the founder effect on islands.We use genetic data for 25 Atlantic species and similarities among regional floras to analyse colonization, and test whether the genetic founder ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The new mineral hansesmarkite (IMA2015-067), Ca2Mn2Nb6O19·20H2O, was discovered at the AS Granit larvikite quarry in Tvedalen, Larvik, Vestfold, Norway. Hansesmarkite forms faintly yellow crystals up to 0.3 mm or thin ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
The layered agpaitic nepheline syenites (kakortokites) of the Ilímaussaq complex, South Greenland, host voluminous accumulations of eudialyte-group minerals (EGM). These complex Na-Ca-zirconosilicates contain economically ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
Background
Gyrodactylus salaris is a directly transmitted ectoparasite that reproduces in situ on its fish host. Wild Norwegian (East Atlantic) salmon stocks are thought to be ...
(Doctoral thesis / Doktoravhandling, 2020)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
Pockmarks are geological features that are found on the bottom of lakes and oceans all over the globe. Some are active, seeping oil or methane, while others are inactive. Active pockmarks are well studied since they harbor ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Moskvinite-(Y), Na2K(Y,REE)Si6O15, is a rare mineral, which until now has only been described from its type locality Dara-i-Pioz, Tajikistan. At Ilímaussaq moskvinite-(Y) was discovered in a drill core from Kvanefjeld, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Background
Satellite telemetry studies provide information that is critical to the conservation and management of species affected by ecological change. Here we report on the performance and retention of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
Background: The trade of plant roots as traditional medicine is an important source of income for many people around the world. Destructive harvesting practices threaten the existence of some plant species. Harvesters of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
This contribution focuses on the family Encyrtidae from Oslo Municipality, one of the richer areas in Norway as biodiversity concerns. The following four species are reported for the first time from Norway: Metaphycus ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
The present survey gives distributional records for 49 species of the family Ichneumonidae (Hymenoptera) previously not recorded from Norway. Eight of these have hitherto not been reported from Scandinavia, namely Adelognathus ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Changing climate is expected to alter precipitation patterns in the Arctic, with consequences for subsurface temperature and moisture conditions, community structure, and nutrient mobilization through microbial belowground ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The following five species of the family Pteromalidae are reported for the first time from Norway: Gastrancistrus autumnalis (Walker, 1834), Gastrancistrus picipes (Nees, 1834), Glyphognathus laevis (Delucchi, 1953), ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The extensive spatial and temporal coverage of many citizen science datasets (CSD) makes them appealing for use in species distribution modeling and forecasting. However, a frequent limitation is the inability to validate ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
The main aim of this paper is to address consequences of climate warming on loss of habitat and genetic diversity in the enigmatic tropical alpine giant rosette plants using the Ethiopian endemic Lobelia rhynchopetalum as ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Background
Thousands of flowering plant species attract pollinators without offering rewards, but the evolution of this deceit is poorly understood. Rewardless flowers of the orchid Erycina pusilla have an ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
The material of the family Aphelinidae at the Natural History Museum of Oslo is revised. Twelve species not previously recorded from Norway have been found. One species Aphelinus quercus n. sp. is described and illustrated. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2010)
The present survey reports 58 species of wasps belonging to the family Ichneumonidae hitherto not reported from Norway. The subfamilies Cryptinae, Ctenopelmatinae, Ichneumoninae, Microleptinae, Orthocentrinae, Pimplinae ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1999)
The genus Nothochrysa is reported for the first time from Norway. The two species N. flaviceps (Stephens, 1836) and N. capitata (Fabricius, 1793) were captured in light-traps in Kristiansand (VAY) in 1999. The biology and ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
The amazon ant Polyergus rufescens (Latreille, 1798) is recorded in Norway. Two cohorts were observed at Skåtøy, Kragerø municipality (TEY, EIS 11), 9 July 1995, raiding pupae of Formica fusca Linnaeus, 1758, which is one ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
The present faunistic survey gives distributional records for 125 species of the family Braconidae (Hymenoptera) from several subfamilies (Agathidinae, Alysiinae, Aphidiinae, Brachistinae, Braconinae, Cheloninae, Doryctinae, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
The luminescence spectra of a suite of natural sodium framework silicates including four different sodalite variants and tugtupite have been collected during X-ray irradiation as a function of temperature between 20 and ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2007)
The Ichneumonidae represents a very large family of parasitic Hymenoptera. In the Palaearctic it is perhaps the largest family of insects with almost 9000 described species. Due to their diversity and difficult determination ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
The study of the collection of the family Encyrtidae at the Natural History Museum of Oslo continues. Eighteen species are reported for the first time from Norway in this revision, bringing the total number of Norwegian ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
The material of the family Encyrtidae at the Natural History Museum of Oslo is revised. A total of 22 species is reported for the first time from Norway. Thus, the total number of Norwegian encyrtid species is now 42. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The mainly Mediterranean genus Rhodalsine (Caryophyllaceae) is revised and a single species, R. geniculata, is recognized, distributed from the Canary Islands in the west to Somalia in the east. The history of the taxon, ...
(Doctoral thesis / Doktoravhandling, 2008)
The two monogenean species G. salaris and G. thymalli, are almost identical at the nuclear molecular level. There is also no support from mtDNA (cox1) sequences for monophyly of all G. salaris or G. thymalli haplotypes. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Background
To date, mitochondrial genomes of more than one hundred flatworms (Platyhelminthes) have been sequenced. They show a high degree of similarity and a strong taxonomic bias towards parasitic lineages. ...
(Doctoral thesis / Doktoravhandling, 2010)
Sperm cells are the most variable animal cells, and a tremendous variation in sperm phenotypes exists among species, from minute amoeboid sperm to giant sperm in some species of fruit flies. Much effort has been devoted ...
(Doctoral thesis / Doktoravhandling, 2011)
Genetic variation is a prerequisite for evolution. The present thesis examines how genetic diversity arises and is maintained. The thesis can be divided into two subprojects, addressing neutral and functional genetic ...
(Doctoral thesis / Doktoravhandling, 2012)
The process of speciation is the splitting of single populations into two or more distinct, reproductively isolated taxa. Common modes of speciation are sympatric, allopatric and parapatric speciation, with speciation in ...
(Doctoral thesis / Doktoravhandling, 2009)
As a starting point GIS (geographical information systems) seem intuitively to be a practical tool for biologists performing ecological research. GIS conveniently stores, explores, analyses and visualizes biological/ecol ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The scattered eastern African high mountains harbor a renowned and highly endemic flora, but the taxonomy and phylogeographic history of many plant groups are still insufficiently known. The high-alpine populations of the ...
(Doctoral thesis / Doktoravhandling, 2014)
(Doctoral thesis / Doktoravhandling, 2009)
Large herbivores such as sheep affect plants directly and indirectly through selective foraging, trampling, urination and defecation, thereby modifying intra- and interspecific interactions and altering resource availability ...