Essays about: "vascular plants"

Showing result 41 - 45 of 62 essays containing the words vascular plants.

  1. 41. Strategier hos renen för att hantera brist på föda under vintern

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Ellika Waldau; [2014]
    Keywords : Rangifer tarandus; anpassning; beteende; näringsbrist; metabolism; klimatförändring;

    Abstract : Renar (Rangifer tarandus) lever i ett extremt klimat och vintertid dessutom under födobrist. De är intermediära idisslare och kompenserar sin begränsade förmåga att bryta ned fibrer genom att vara selektiva i sitt betande. READ MORE

  3. 42. Diurnal variation in methane flux in a low-arctic fen in Southwest Greenland

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Bjarne Munk Lyshede; [2012]
    Keywords : geography; physical geography and ecosystem analysis; diurnal; methane; wetland; Arctic; Greenland; Earth and Environmental Sciences;

    Abstract : Popular science: A Day in the Life of a Methane Bog Methane gas is continuously released from wetlands around the world. In Kobbefjord, Greenland the release of methane is low during the cold of winter and higher in warm summer months. But the amount released also varies from day to night; a pattern that has to do with both temperature and light. READ MORE

  4. 43. Compost and its effects on soilborne plant pathogens

    University essay from SLU/Dept. of Forest Mycology and Plant Pathology

    Author : Caroline Haarala; [2012]
    Keywords : Biological control; Compost; Oilseed rape; Verticillium longisporum;

    Abstract : Certain microbial residents from composts are known to possess the ability to suppress soilborne plant pathogens. Trichoderma spp. and Gliocladium spp. are commonly found in composts and are perhaps the most wellknown hyperparasites of fungal pathogens, which may also be naturally present in compost. READ MORE

  5. 44. Plant Responses to Varying Nitrogen Levels

    University essay from Institutionen för geovetenskaper

    Author : FATMA MUGE APAYDIN; [2012]
    Keywords : ;

    Abstract : Studies show that nitrogen enrichment of the soil decreases plant diversity. From this point ofview, anthropogenic N enrichment is a threat to global plant biodiversity. Roadside verges remained one ofthe high potential of floral diversity. Regularly managed roadside verges could partly replace the grasslandhabitats loss in recent decades. READ MORE

  6. 45. Kalkbarrskogar i Jämtland : vad karakteriserar de områden där kalkberoende mykorrhizasvampar förekommer

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Susanne Wiik; [2011]
    Keywords : ektomykorrhizasvampar; kalkbarrskogar; förnalager; humuslager;

    Abstract : I den här studien inventerades åtta områden där olika kalkberoende svampar har hittats för att försöka beskriva vad som karakteriserar dessa skogar. Olika markfaktorer som humus- och förnalagrets tjocklek, jordart och jordmån registrerades. Ett urval av. READ MORE