Search Results - "Bjørn Walseng"

The recovery of crustacean zooplankton from acidification depends on lake type by Pilotto, Francesca, Walseng, Bjørn, Jensen, Thomas C., Schartau, Ann Kristin

“…Acidification has harmed freshwater ecosystems in Northern Europe since the early 1900s. Stricter regulations aimed at decreasing acidic emissions have…”
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Assessing climatic and spatial variables influencing zooplankton richness for space‐for‐time predictions by Heuschele, Jan, Andersen, Tom, Walseng, Bjørn, Hessen, Dag O.

“…The macroecological drivers of freshwater diversity are accredited geographical, spatial and climatic variables, but also to productivity, ecosystem age and…”
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Does flooding mitigation measures affect cladoceran and copepod communities in floodplain water bodies? by Jensen, Thomas Correll, Walseng, Bjørn, Museth, Jon

“…We investigated the relative importance of flood defenses and other environmental variables for the cladoceran and copepod communities in floodplain water…”
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Zooplankton Diversity and Dispersal by Birds; Insights From Different Geographical Scales by Hessen, Dag O., Jensen, Thomas C., Walseng, Bjørn

“…Given the major ecological and evolutionary role of dispersal abilities for organisms, as well as the current interest in species' potential for further…”
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Major Contribution from Littoral Crustaceans to Zooplankton Species Richness in Lakes by Bjørn Walseng, Hessen, Dag O., Gunnar Halvorsen, Ann Kristin Schartau

“…A study of pelagic and littoral species richness among microcrustaceans in 2,466 Norwegian lakes recorded 120 crustacean species: 77 cladocerans, 31…”
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Does road salting confound the recovery of the microcrustacean community in an acidified lake? by Jensen, Thomas Correll, Meland, Sondre, Schartau, Ann Kristin, Walseng, Bjørn

“…Numerous boreal lakes across the Northern Hemisphere recovering from acidification are experiencing a simultaneous increase in chloride (Cl) concentrations…”
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Cladocerans respond to differences in trophic state in deeper nutrient poor lakes from Southern Norway by Jensen, Thomas Correll, Dimante-Deimantovica, Inta, Schartau, Ann Kristin, Walseng, Bjørn

“…We investigated the role of trophic state in structuring the cladoceran assemblages in 35 relatively deep lakes of low nutrient levels in Southern Norway. The…”
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Higher zooplankton species richness associated with an invertebrate top predator by Walseng, Bjørn, Andersen, Tom, Hessen, Dag O.

“…Summary A dataset of 1735 Norwegian lakes, spanning a wide range of geographical, physical, chemical and biological properties, was analysed to assess the role…”
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Energy input and zooplankton species richness by Hessen, Dag O., Bakkestuen, Vegar, Walseng, Bjørn

“…What are the relative contribution of temperature and solar irradiance as types of energy deliveries for species richness at the ecosystem level? In order to…”
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ecological niches of Bythotrephes and Leptodora: lessons for predicting long-term effects of invasion by Hessen, Dag O, Bakkestuen, Vegar, Walseng, Bjørn

“…We here exploit two large datasets on zooplankton in Norwegian lakes, spanning a wide range of geographical, physical, chemical and biological properties, to…”
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Differential short- and long-term effects of an invertebrate predator on zooplankton communities in invaded and native lakes by Kelly, Noreen E., Yan, Norman D., Walseng, Bjørn, Hessen, Dag O.

“…Aim: Forecasting the effects of invasive species remains difficult, because short-term effects may be transitory and theories of long-term effects are poorly…”
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New and previously known species of Copepoda and Cladocera (Crustacea) from Svalbard, Norway – who are they and where do they come from? by Dimante-Deimantovica, Inta, Walseng, Bjørn, Chertoprud, Elena, Novichkova, Anna

“…Arctic landscapes are characterised by an immense number of fresh and brackish water habitats – lakes, ponds and puddles. Due to a rather harsh environment,…”
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Managing biodiversity of floodplains in relation to climate change by Museth, Jon, Johnsen, Stein I, Walseng, Bjørn, Hanssen, Oddvar, Erikstad, Lars

“…Purpose - The purpose of this paper is to identify the importance of floodplains in preserving biodiversity, and call attention to alternative ways of managing…”
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Changes in trophic state and aquatic communities in high Arctic ponds in response to increasing goose populations by Jensen, Thomas C., Walseng, Bjørn, Hessen, Dag O., Dimante‐Deimantovica, Inta, Novichkova, Anna A., Chertoprud, Elena S., Chertoprud, Mikhail V., Sakharova, Ekaterina G., Krylov, Aleksandr V., Frisch, Dagmar, Christoffersen, Kirsten S.

“…The high Arctic, including the Svalbard archipelago in the North Atlantic, has been exposed to direct and indirect drivers of climatic change such as rising…”
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Freshwater diversity in Svalbard: providing baseline data for ecosystems in change by Walseng, Bjørn, Jensen, Thomas, Dimante-Deimantovica, Inta, Christoffersen, Kirsten S., Chertoprud, Mikhail, Chertoprud, Elena, Novichkova, Anna, Hessen, Dag O.

“…The high Arctic is in a rapid transition due to climate change, and both direct effects due to warming and an extended growing season, as well as an indirect…”
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Long‐term annual and spatial variation of polygyny in the white‐throated dipper (Cinclus cinclus) by Walseng, Bjørn, Durant, Joël M., Hessen, Dag O., Jerstad, Kurt, Nilsson, Anna L. K., Røstad, Ole W., Slagsvold, Tore

“…Mating strategies are key components in the fitness of organisms, and notably in birds the occurrence of monogamy versus polygyny has attracted wide interest…”
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Assessing climatic and spatial variables influencing zooplankton richness for space-for-time predictions by Heuschele, Jan David, Andersen, Tom, Walseng, Bjørn, Hessen, Dag Olav

“…1. The macroecological drivers of freshwater diversity are accredited geographical, spatial and climatic variables, but also to productivity, ecosystem age and…”
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Climate variability and lake ecosystem responses in western Scandinavia (Norway) during the last Millennium by Zawiska, Izabela, Luoto, Tomi P., Nevalainen, Liisa, Tylmann, Wojciech, Jensen, Thomas C., Obremska, Milena, Słowiński, Michał, Woszczyk, Michał, Schartau, Ann Kristin, Walseng, Bjørn

“…This paper provides a high-resolution temperature reconstruction for the last Millennium from Lake Atnsjøen, SE Norway (61°52′31″N, 10°10′37″E). The…”
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Historical human impact on productivity and biodiversity in a subalpine oligotrophic lake in Scandinavia by Jensen, Thomas C., Zawiska, Izabela, Oksman, Mimmi, Słowiński, Michał, Woszczyk, Michał, Luoto, Tomi P., Tylmann, Wojciech, Nevalainen, Liisa, Obremska, Milena, Schartau, Ann Kristin, Walseng, Bjørn

“…We conducted a paleolimnological study to examine how changes in human activity interacted with climate to influence productivity and biodiversity over the…”
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Congruence, but no cascade—Pelagic biodiversity across three trophic levels in Nordic lakes by Andersen, Tom, Hessen, Dag O., Håll, Johnny P., Khomich, Maryia, Kyle, Marcia, Lindholm, Markus, Rasconi, Serena, Skjelbred, Birger, Thrane, Jan‐Erik, Walseng, Bjørn

“…Covariation in species richness and community structure across taxonomical groups (cross‐taxon congruence) has practical consequences for the identification of…”
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