Browsing Department of Biological Sciences by Title
Now showing items 1456-1475 of 2295
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Monsters in the dark: Systematics and biogeography of the stygobitic genus godzillius (crustacea: Remipedia) from the lucayan archipelago
(Journal article; Peer reviewed, 2021)Remipedia is a stygobitic group commonly associated with coastal anchialine caves. This class consists of 12 genera, ten of which are found within the Lucayan Archipelago. Herein, we describe a new species within the genus ... -
More than what they eat: uncoupled biophysical constraints underlie geographic patterns of herbivory
(Journal article; Peer reviewed, 2022)Herbivory rates have classically been hypothesized to decrease from the tropics towards higher latitudes because the more benign abiotic conditions in tropical systems foster greater ecosystem complexity including greater ... -
More warm-adapted species in soil seed banks than in herb layer plant communities across Europe
(Journal article; Peer reviewed, 2023)Responses to climate change have often been found to lag behind the rate of warming that has occurred. In addition to dispersal limitation potentially restricting spread at leading range margins, the persistence of species ... -
Morph-based resistance against Schistocephalus solidus in three-spined sticklebacks (Gasterosteus aculeatus) selected under different infection- and predation regimes
(Master thesis, 2013-06-07)The morphology of a host may have an effect on its resistance against parasites. Two geographically separated and morphologically divergent populations of three-spined sticklebacks (Gasterosteus aculeatus, Linnaeus, 1758) ... -
Morphological and functional modifications of the gastrointestinal tract during metamorphosis in Atlantic halibut (Hippoglossus hippoglossus)
(Doctoral thesis, 2014-04-23)Metamorphosis in flatfish is the transition from a symmetrical larva to an asymmetrical juvenile stage, allowing the organism to utilize new resources in a different habitat and thus providing an evolutionary advantage. ... -
Morphological and genetic variation in Hanleya nagelfar and Hanleya hanleyi (Mollusca: Polyplacophora) in the Northern European Atlantic and the phylogenetic position of Hanleyidae based on nuclear and mitochondrial genes
(Master thesis, 2010-04-23)Large specimens of the spongivore Hanleya nagelfar (Mollusca: Polyplacophora) differ noticeably from the smaller congeneric H. hanleyi, but many scientists have reported that small specimens are very similar and perhaps ... -
Morphological and genetic variation in North Atlantic synaphobranchid eels in relation to species diagnostics
(Master thesis, 2009)Synaphobranchus eels are difficult to identify at species level. A literature study of previous taxonomic work on these species revealed several inconsistencies concerning the diagnostic characters of Synaphobranchus kaupii ... -
A morphological study of the parasitic barnacle, Anelasma squalicola (Lovén, 1844)
(Master thesis, 2016-06-30)Objectives and Summary The pedunculate barnacle, Anelasma squalicola, is found parasitizing various squaloid sharks of the family Etmopteridae. Its peduncle has been modified to bury in the flesh of its host, and has ... -
Morphology of the nervous system of monogonont rotifer Epiphanes senta with a focus on sexual dimorphism between feeding females and dwarf males
(Peer reviewed; Journal article, 2019-08-07)Background: Monogononta is a large clade of rotifers comprised of diverse morphological forms found in a wide range of ecological habitats. Most monogonont species display cyclical parthenogenesis, where generations of ... -
The morphology of the threespine stickleback and its relation to predators and parasites, from three lakes in western Norway
(Master thesis, 2011-06-01)We studied the three-spined stickleback (Gasterosteus aculeatus) in three different lakes, with respect to morphology (Dorsal spine numbers and pelvis), distribution and relationship to the parasites Schistocephalus solidus ... -
Morphomolecular alterations in the skin mucosa of Atlantic salmon (Salmo salar) after exposure to peracetic acid-based disinfectant
(Journal article; Peer reviewed, 2020)Peroxygen-based chemotherapeutants are commonly used in treating ectoparasitic infections in fish. A majority of relevant studies address the effects of these substances on the targeted causative agents, but little is known ... -
Mortality, Recruitment and Change of Desert Tree Populations in a Hyper-Arid Environment
(Peer reviewed; Journal article, 2007-02-14)Background: Long-term vegetation changes in hyper-arid areas have long been neglected. Mortality, recruitment and change in populations of the ecologically and culturally important and drought persistent Acacia tortilis ... -
Motivert for å lære -en studie av biologistudenters syn på egen læring
(Master thesis, 2014-06-01)Universitetet i Bergen ble i år 2014 i samarbeid med Universitetssenteret på Svalbard og Havforskningsinstituttet tildelt ett av tre nye sentre for fremragende utdanning med konseptet «Centre for Excellence in Biology ... -
Mouthrot in farmed Atlantic salmon
(Doctoral thesis, 2018-12-05)Mouthrot is a major health and welfare problem in farmed Atlantic salmon (Salmo salar) smolts in the Pacific Northwest (West Coast of North America), particularly in the first few months following saltwater transfer. This ... -
Moving forward in microplastic research: A Norwegian perspective
(Journal article; Peer reviewed, 2021)Given the increasing attention on the occurrence of microplastics in the environment, and the potential envi-ronmental threats they pose, there is a need for researchers to move quickly from basic understanding to applied ... -
MRTF specifies a muscle-like contractile module in Porifera
(Journal article; Peer reviewed, 2022)Muscle-based movement is a hallmark of animal biology, but the evolutionary origins of myocytes are unknown. Although believed to lack muscles, sponges (Porifera) are capable of coordinated whole-body contractions that ... -
Mucosal immune and stress responses of Neoparamoeba perurans-infected Atlantic salmon (Salmo salar) treated with peracetic acid shed light on the host-parasite-oxidant interactions
(Journal article; Peer reviewed, 2022)Treatment development for parasitic infestation is often limited to disease resolution as an endpoint response, and physiological and immunological consequences are not thoroughly considered. Here, we report the impact of ... -
Mucosal responses in post-smolt Atlantic salmon (S. salar) following salmon lice (L. salmonis) infections
(Master thesis, 2018-05-04)The aquaculture sector is becoming increasingly important both for food production and economic reasons. The main problem today in Norwegian aquaculture is the copepod ectoparasite Leopeophtheirus salmonis which limits the ... -
A multi-dating approach to age-modelling long continental records: The 135 ka El Cañizar de Villarquemado sequence (NE Spain)
(Peer reviewed; Journal article, 2019)We present a multidisciplinary dating approach - including radiocarbon, Uranium/Thorium series (U/Th), paleomagnetism, single-grain optically stimulated luminescence (OSL), polymineral fine-grain infrared stimulated ... -
Multi-decadal warming of Atlantic water and associated decline of dissolved oxygen in a deep fjord
(Peer reviewed; Journal article, 2019-11)Previous studies have shown decline in dissolved oxygen of the ocean basins. A hypothesis for this development is that ocean warming through increased stratification has caused reduced ventilation of the interior ocean. ...