Now showing items 261-280 of 745

  • Kalleson, Elin (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 ...
  • Sandvik, Hanno; Hilmo, Olga; Finstad, Anders Gravbrøt; Hegre, Hanne; Moen, Toril Loennechen; Rafoss, Trond; Skarpaas, Olav; Elven, Reidar; Sandmark, Helge; Gederaas, Lisbeth (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    The Generic Ecological Impact Assessment of Alien Species (GEIAA) is described. It comprises a set of criteria and an assessment procedure. The set of criteria consists of three criteria that quantify invasion potential, ...
  • Marthinsen, Gunnhild (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 ...
  • Hogner, Silje (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 ...
  • Johnsen, Arild; Dobbe, Kristine; Sætre, Camilla Lo Cascio; Eybert, Marie-Christine; Marquet, Matthieu; Bonnet, Patrick; Cramer, Becky (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Individual heterozygosity may influence the expression of fitness‐related traits, via genome‐wide or local genetic effects. Earlier studies have shown negative relationships between heterozygosity and sperm variation, ...
  • Lindqvist, Charlotte; Roy, Tilottama; Lydersen, Christian; Kovacs, Kit M; Aars, Jon; Wiig, Øystein; Bachmann, Lutz (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 ...
  • Olsen, Luka Natassja; Brandrud, Marie Kristine; Mandáková, Terezie; Lysak, Martin A; Bjorå, Charlotte Sletten; Cires, Eduardo; Nordal, Inger; Brysting, Anne Krag (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Abstract In northern European Cochlearia (Brassicaceae), considerable chromosome variation has taken place without corresponding morphological differentiation, resulting in an intricate species complex including ...
  • Wondimu, Tigist; Gizaw, Abel; Tusiime, Felly Mugizi; Masao, Catherine; Abdi, Ahmed Abdikhadir; Hou, Yan; Nemomissa, Sileshi; Brochmann, Christian (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 ...
  • Gustafsson, A Lovisa S; Skrede, Inger; Rowe, Heather C.; Gussarova, Galina; Borgen, Liv; Rieseberg, Loren; Brochmann, Christian; Parisod, Christian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    Crossing experiments indicate that hybrid sterility barriers frequently have developed within diploid, circumpolar plant species of the genus Draba. To gain insight into the rapid evolution of postzygotic reproductive ...
  • Larsson, John; Nylander, Johan A; Bergman, Birgitta (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)
    Background Cyanobacteria belong to an ancient group of photosynthetic prokaryotes with pronounced variations in their cellular differentiation strategies, physiological capacities and choice of habitat. ...
  • Andresen, Ina Jungersen; Orr, Russell; Krabberød, Anders Kristian; Shalchian-Tabrizi, Kamran; Bråte, Jon (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abstract The macroscopic single-celled green alga Acetabularia acetabulum has been a model system in cell biology for more than a century. However, no genomic information is available from this species. Since the alga has ...
  • Ramos Madrigal, Jazmín; Sinding, Mikkel Holger Strander; Carøe, Christian; Mak, Sarah S.T.; Niemann, Jonas; Samaniengo Casruita, Jose A; Fedorov, Sergey; Kandyba, Alexander; Germonpré, Mietje; Bocherens, Herve; Feuerborn, Tatiana R.; Pitulko, Vladimir V.; Pavlova, Elena Y.; Nikolskiy, Pavel A.; Kasparov, Aleksei K.; Ivanova, Varvara V.; Larson, Greger; Frantz, Laurent A.F.; Willerslev, Eske; Meldgaard, Morten; Petersen, Bent; Sicheritz-Ponten, Thomas; Bachmann, Lutz; Wiig, Øystein; Hansen, Anders J.; Gilbert, M. Thomas P.; Gopalakrishnan, Shyam (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Extant Canis lupus genetic diversity can be grouped into three phylogenetically distinct clades: Eurasian and American wolves and domestic dogs.1 Genetic studies have suggested these groups trace their origins to a wolf ...
  • Kearns, Anna Marika; Restani, Marco; Szabo, Ildiko; Schrøder-Nielsen, Audun; Kim, Jin Ah; Richardson, Hayley M.; Marzluff, John M.; Fleischer, Robert C.; Johnsen, Arild; Omland, Kevin E. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Many species, including humans, have emerged via complex reticulate processes involving hybridisation. Under certain circumstances, hybridisation can cause distinct lineages to collapse into a single lineage with an admixed ...
  • Hansen, Lars Ove; Berggren, Kai (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 ...
  • Rosing-Schow, Nanna; Romer, Rolf L.; Müller, Axel; Corfu, Fernando; Friis, Henrik (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Most pegmatites of southern Norway seem to be derived from anatectic melting of metamorphic rocks during the Sveconorwegian orogeny rather than to be highly evolved residual melts derived from granites. We test this ...
  • Correa, Diego F.; Stevenson, Pablo R.; Umaña, Maria Natalia; Coelho, Luiz de Souza; Lima Filho, Diógenes de Andrade; Salomão, Rafael P.; Amaral, Iêda Leão do; Wittmann, Florian; Matos, Francisca Dionízia de Almeida; Castilho, Carolina V.; Phillips, Oliver L.; Guevara, Juan Ernesto; Carim, Marcelo de Jesus Veiga; Magnusson, William E.; Sabatier, Daniel; Molino, Jean-François; Irume, Mariana Victória; Martins, Maria Pires; Guimarães, José Renan da Silva; Bánki, Olaf S.; Piedade, Maria Teresa Fernandez; Pitman, Nigel C. A.; Monteagudo Mendoza, Abel; Ramos, José Ferreira; Luize, Bruno Garcia; Novo, Evlyn Márcia Moraes de Leão; Núñez Vargas, Percy; Silva, Thiago Sanna Freire; Venticinque, Eduardo Martins; Manzatto, Angelo Gilberto; Reis, Neidiane Farias Costa; Terborgh, John W.; Casula, Katia Regina; Honorio Coronado, Euridice N.; Montero, Juan Carlos; Schöngart, Jochen; Cárdenas López, Dairon; Costa, Flávia R. C.; Quaresma, Adriano Costa; Zartman, Charles Eugene; Killeen, Timothy J.; Marimon, Beatriz S.; Marimon-Junior, Ben Hur; Vasquez, Rodolfo; Mostacedo, Bonifacio; Demarchi, Layon O.; Feldpausch, Ted R.; Leandro de Assis, Rafael; Baraloto, Christopher; Engel, Julien; Petronelli, Pascal; Castellanos, Hernán; Medeiros, Marcelo Brilhante de; Simon, Marcelo Fragomeni; Andrade, Ana; Camargo, José Luís; Laurance, Susan G. W.; Laurance, William F.; Maniguaje Rincón, Lorena; Schietti, Juliana; Sousa, Thaiane R.; Farias, Emanuelle de Sousa; Lopes, Maria Aparecida; Magalhães, José Leonardo Lima; Nascimento, Henrique Eduardo Mendonça; Queiroz, Helder Lima de; Aymard C., Gerardo A.; Brienen, Roel; Cardenas Revilla, Juan David; Vieira, Ima Célia Guimarães; Cintra, Bruno Barçante Ladvocat; Feitosa, Yuri Oliveira; Duivenvoorden, Joost F.; Mogollón, Hugo F.; Araujo-Murakami, Alejandro; Ferreira, Leandro Valle; Lozada, José Rafael; Comiskey, James A.; de Toledo, José Julio; Damasco, Gabriel; Dávila, Nállarett; García-Villacorta, Roosevelt; Lopes, Aline; Vicentini, Alberto; Draper, Freddie C.; Castaño Arboleda, Nicolás; Cornejo Valverde, Fernando; Alonso, Alfonso; Dallmeier, Francisco; Gomes, Vitor H. F.; Neill, David; de Aguiar, Daniel P. P.; Arroyo, Luzmila; Carvalho, Fernanda Antunes; de Souza, Fernanda Coelho; Amaral, Dário Dantas do; Feeley, Kenneth J.; Gribel, Rogerio; Pansonato, Marcelo Petratti; Barlow, Jos; Berenguer, Erika; Ferreira, Joice; Fine, Paul V. A.; Guedes, Marcelino Carneiro; Jimenez, Eliana M.; Licona, Juan Carlos; Peñuela Mora, Maria Cristina; Villa Zegarra, Boris Eduardo; Cerón, Carlos; Fonty, Émile; Henkel, Terry W.; Householder, John Ethan; Maas, Paul; Silveira, Marcos; Stropp, Juliana; Thomas, Raquel; Durgante, Flávia Machado; Baker, Tim R.; Daly, Doug; Huamantupa-Chuquimaco, Isau; Milliken, William; Pennington, Toby; Ríos Paredes, Marcos; Molina, Pardo; Fuentes, Alfredo; Klitgaard, Bente; Marcelo Peña, José Luis; Peres, Carlos A.; Silman, Miles R.; Tello, J. Sebastián; Campelo, Wegliane; Chave, Jerome; Di Fiore, Anthony; Hilário, Renato Richard; Phillips, Juan Fernando; Rivas-Torres, Gonzalo; van Andel, Tinde R.; von Hildebrand, Patricio; Pereira, Luciana de Oliveira; Barbosa, Edelcilio Marques; Barbosa, Flávia Rodrigues; Bonates, Luiz Carlos de Matos; Carpanedo, Rainiellen de Sá; Dávila Doza, Hilda Paulette; Zárate Gómez, Ricardo; Gonzales, Therany; Gallardo Gonzales, George Pepe; Hoffman, Bruce; Junqueira, André Braga; Malhi, Yadvinder; Miranda, Ires Paula de Andrade; Mozombite Pinto, Linder Felipe; Prieto, Adriana; Rodrigues, Domingos de Jesus; Rudas, Agustín; Ruschel, Ademir R.; Silva, Natalino; Vela, César I. A.; Vos, Vincent Antoine; Zent, Stanford; Zent, Egleé L.; Noronha, Janaína Costa; Albuquerque, Bianca Weiss; Cano, Angela; Carrero Márquez, Yrma Andreina; Costa, Janaina Barbosa Pedrosa; Flores, Bernardo Monteiro; Galbraith, David; Holmgren, Milena; Kalamandeen, Michelle; Nascimento, Marcelo Trindade; Oliveira, Alexandre A.; Ramirez-Angulo, Hirma; Rocha, Maira; Scudeller, Veridiana Vizoni; Sierra, Rodrigo; Tirado, Milton; van der Heijden, Geertje; Vilanova Torre, Emilio; Vriesendorp, Corine; Pombo, Maihyra Marina; Ahuite Reategui, Manuel Augusto; Baider, Cláudia; Balslev, Henrik; Cárdenas, Sasha; Casas, Luisa Fernanda; Farfan-Rios, William; Ferreira, Cid; Linares-Palomino, Reynaldo; Mendoza, Casimiro; Mesones, Italo; Torres-Lezama, Armando; Urrego Giraldo, Ligia Estela; Villarroel, Daniel; Zagt, Roderick; Parada, Germaine Alexander; Alexiades, Miguel N.; de Oliveira, Edmar Almeida; Garcia-Cabrera, Karina; Hernandez, Lionel; Palacios Cuenca, Walter; Pansini, Susamar; Pauletto, Daniela; Ramirez Arevalo, Freddy; Sampaio, Adeilza Felipe; Valderrama Sandoval, Elvis H.; Valenzuela Gamarra, Luis; ter Steege, Hans (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Aim To investigate the geographic patterns and ecological correlates in the geographic distribution of the most common tree dispersal modes in Amazonia (endozoochory, synzoochory, anemochory and hydrochory). We examined ...
  • L'Abee-Lund, Jan Henning; Vøllestad, Leif Asbjørn; Brittain, John; Kvambekk, Ånund Sigurd; Solvang, T. G. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Long-term observations of ice phenology in lakes are ideal for studying climatic variation in time and space. We used a large set of observations from 1890 to 2020 of the timing of freeze-up and break-up, and the length ...
  • Cai, Hongyu; Lyu, Lisha; Shrestha, Nawal; Tang, Zhiyao; Su, Xiangyan; Xu, Xiaoting; Dimitrov, Dimitar; Wang, Zhiheng (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Aim Biodiversity hotspots are widely used as conservation priorities to preserve the tree of life. However, many conservation practices identify biodiversity hotspots without considering phylogenetic diversity (PD), ...
  • Bakkestuen, Vegar (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 ...
  • Milner, Alexander M.; Khamis, Kieran; Battin, Tom J.; Brittain, John Edward; Barrand, Nicholas E.; Füreder, Leopold; Cauvy-Fraunie, Sophie; Gíslason, Gísli Már; Jacobsen, Dean; Hannah, David M.; Hodson, Andrew J.; Hood, Eran; Lencioni, Valeria; Ólafsson, Jón S.; Robinson, Christopher T.; Tranter, Martyn; Brown, Lee E. (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)
    Glaciers cover ∼10% of the Earth’s land surface, but they are shrinking rapidly across most parts of the world, leading to cascading impacts on downstream systems. Glaciers impart unique footprints on river flow at times ...