Sökning: "Terrestrial"

Visar resultat 21 - 25 av 544 avhandlingar innehållade ordet Terrestrial.

  1. 21. Abnormal propagation conditions in the terrestrial VLF waveguide

    Författare :Svante Westerlund; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : .... LÄS MER

  3. 22. The Spider and the Sea : Effects of marine subsidies on the role of spiders in terrestrial food webs

    Författare :Kajsa Mellbrand; Peter Hambäck; Lena Kautsky; David Wise; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; marine subsidies; food webs; stable isotopes; shore ecosystems; predators; spiders; Pardosa; algae; emerging insects; Terrestrial; freshwater and marine ecology; Terrestisk; limnisk och marin ekologi; Plant Ecology; växtekologi;

    Sammanfattning : The purpose of this study was to identify if terrestrial arthropod predators on Baltic Sea shores vary in their use of marine versus terrestrial food items, and to construct a bottom-up food web for Baltic Sea shores. The inflow of marine nutrients in the area consists mainly of marine algal detritus and emerging aquatic insects (e.g. LÄS MER

  4. 23. The importance of terrestrial carbon in plankton food webs

    Författare :Cesar Bolivar Daniel; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Ecology; lakes; carbon; zooplankton; Spumella elongata; Poterioochromonas malhamensis; flagellates; bacteria; stable isotopes; photochemistry; autochthonous; DOC; allochthonous; plankton; Ekologi; Hydrobiology; marine biology; aquatic ecology; limnology; Marinbiologi; limnologi; akvatisk ekologi;

    Sammanfattning : Allochthonous substances, i.e. produced in terrestrial ecosystems, are known to fuel bacterial production in humic lakes. I observed that allochthonous carbon subsidizes bacteria even at high levels of phytoplankton biomass. LÄS MER

  5. 24. Diversity and Limits of Colour Vision in Terrestrial Vertebrates

    Författare :Lina Roth; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Reptiles; Dim light vision; Colour vision; Camera-type eyes; Vertebrates; Mammals; Geckos; Horses;

    Sammanfattning : Most terrestrial vertebrates have colour vision, some perceive a less colourful world and others actually discriminate a wider colour spectrum than humans do. Still, we can all make use of the valuable colour information, which is more rigid than just brightness. LÄS MER

  7. 25. Modeling Carbon and Water Fluxes in European Terrestrial Ecosystems

    Författare :Pablo Morales; Institutionen för naturgeografi och ekosystemvetenskap; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; climatology; Fysisk geografi; geomorphology; pedology; cartography; Physical geography; water fluxes; climate change; kartografi; geomorfologi; klimatologi; marklära; carbon fluxes; regional climate models; vegetation dynamics; ecosystem modeling;

    Sammanfattning : The controlling mechanisms and feedbacks between climate, the carbon and water cycling and vegetation in European ecosystems have attracted much attention in recent years but they are still not sufficiently understood. A better understanding of them is necessary to predict how they will be affected by climate change. LÄS MER