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Sökning: db:Swepub > Södertörns högskola > Högskolan i Borås

  • Resultat 1-8 av 8
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1.
  • Asnicar, Davide, et al. (författare)
  • Sand Goby : An Ecologically Relevant Species for Behavioural Ecotoxicology
  • 2018
  • Ingår i: Fishes. - : MDPI. - 2410-3888. ; 3:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Locomotion-based behavioural endpoints have been suggested as suitable sublethal endpoints for human and environmental hazard assessment, as well as for biomonitoring applications. Larval stages of the sand goby (Pomatoschistus minutus) possess a number of attractive qualities for experimental testing that make it a promising species in behavioural ecotoxicology. Here, we present a study aimed at developing a toolkit for using the sand goby as novel species for ecotoxicological studies and using locomotion as an alternative endpoint in toxicity testing. Exposure to three contaminants (copper (Cu), di-butyl phthalate (DBP) and perfluorooctanoic acid (PFOA) was tested in the early life stages of the sand goby and the locomotion patterns of the larvae were quantified using an automatic tracking system. In a photo-motor test, sand goby larvae displayed substantially higher activity in light than in dark cycles. Furthermore, all tested compounds exerted behavioural alterations, such as hypo- and hyperactivity. Our experimental results show that sand goby larvae produce robust and quantifiable locomotive responses, which could be used within an ecotoxicological context for assessing the behavioural toxicity of environmental pollutants, with particular relevance in the Nordic region. This study thus suggests that sand goby larvae have potential as an environmentally relevant species for behavioural ecotoxicology, and as such offer an alternative to standard model species.
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3.
  • Levinsson, Magnus, et al. (författare)
  • Fixar Läsfixarna läsningen?
  • 2017
  • Ingår i: Undersöka och utveckla undervisning. - Lund : Studentlitteratur AB. - 9789144114170 ; , s. 31-48
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)
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5.
  • Svensson, Ola, 1971- (författare)
  • Bokrecension: Field Guide to the Fishes ofthe Amazon, Orinoco, and Guianas
  • 2018
  • Ingår i: Ciklidbladet. - 0349-2362. ; 51:1, s. 50-51
  • Recension (populärvet., debatt m.m.)abstract
    • En bok med alla 564 fisksläkten från ”Storamazonas” det vill säga Amazonas, Orinoco och kustfloderna i Guayana, Surinam och Franska Guyana verkar onekligen lovande. Frågan är vad den har att erbjuda en akvarist.
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6.
  • Svensson, Ola, 1971-, et al. (författare)
  • Immigrant reproductive dysfunction facilitates ecological speciation
  • 2017
  • Ingår i: Evolution. - : Wiley-Blackwell. - 0014-3820 .- 1558-5646. ; 71:10, s. 2510-2521
  • Tidskriftsartikel (refereegranskat)abstract
    • The distributions of species are not only determined by where they can survive - they must also be able to reproduce. Although immigrant inviability is a well-established concept, the fact that immigrants also need to be able to effectively reproduce in foreign environments has not been fully appreciated in the study of adaptive divergence and speciation. Fertilization and reproduction are sensitive life history stages that could be detrimentally affected for immigrants in non-native habitats. We propose that 'immigrant reproductive dysfunction' is a hitherto overlooked aspect of reproductive isolation caused by natural selection on immigrants. This idea is supported by results from experiments on an externally fertilizing fish (sand goby, Pomatoschistus minutus). Growth and condition of adults were not affected by non-native salinity whereas males spawning as immigrants had lower sperm motility and hatching success than residents. We interpret these results as evidence for local adaptation or acclimation of sperm, and possibly also components of paternal care. The resulting loss in fitness, which we call 'immigrant reproductive dysfunction', has the potential to reduce gene flow between populations with locally adapted reproduction, and it may play a role in species distributions and speciation.
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7.
  • Svensson, Ola, 1971- (författare)
  • Vetenskapskrönikan
  • 2017
  • Ingår i: Ciklidbladet. - 0349-2362. ; 50:2, s. 50-51
  • Tidskriftsartikel (populärvet., debatt m.m.)abstract
    • I det här numret skriver jag om lite olika ciklider från olika delar av Amerika och Afrika. Det handlar om ciklider som kissar, slåss och bildar nya arter nästan medan vi tittar på dem.
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8.
  • Tomson, Klara, 1976- (författare)
  • Att skapa en upplevelseindustri
  • 2011
  • Ingår i: Nordisk kulturpolitisk tidskrift. - : Högskolan i Borås. - 1403-3216 .- 2000-8325. ; 14:1-2, s. 71-99
  • Tidskriftsartikel (refereegranskat)abstract
    • In recent years the notion that culture can be used as an instrument for economic growth has gained foothold in Sweden and Swedish cultural policy. In order to understand this development we need to study the organizations that have promoted ideas about the economic potential of cultural activities. In this article I have focused on one such organization, namely the Swedish Knowledge foundation, which during the time period of 2000-2009 invested SEK 99 million in the Swedish experience industry. The article investigates why the Knowledge foundation decided to make this investment and how they transformed the idea that cultural activities have a potential for economic growth into practice. Using translation theory and an organizational institutional perspective the study shows that the Swedish Knowledge foundation chose to invest in the experience industry because similar investments had been made in other countries such as the United Kingdom. However, the Knowledge foundation’s investment represented no copy of the international models but was translated to fit the new Swedish context.
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  • Resultat 1-8 av 8

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