Essays about: "spring season"

Showing result 1 - 5 of 91 essays containing the words spring season.

  1. 1. Invasive round goby, Neogobius melanostomus - suitable prey for native cod, Gadus morhua?

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Andreas Ljung; [2020]
    Keywords : Round goby; invasive species; cod; predator-prey inter-action;

    Abstract : Invasive species is a worldwide issue that is considered to be the one of the main reasons to losses of biodiversity. The round goby, Neogobius melanostomus, is an invasive species in the Baltic Sea that originates from the Black- and Caspian Sea. READ MORE

  3. 2. Is there a geographical difference in wolverine (Gulo gulo) home range size at different spatial and temporal scales in Scandinavia?

    University essay from SLU/Dept. of Ecology

    Author : Elin Olsson; [2020]
    Keywords : home range; seasonal; monthly; Gulo gulo; wolverine; Scandinavia; spatial; temporal;

    Abstract : A home range is the area that is covered by the animals normal day-to-day activity. The home range size may be influenced by factors such as abundance and distribution of food, sex, spatial organisation and population density. READ MORE

  4. 3. Faktorer som påverkar slaktmognad hos betesuppfödda höstlamm

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Sarah Henry Bergman; [2019]
    Keywords : betesgrödor; gotlandsfår; slaktvikt; tillskottsutfodring; vinterlamm;

    Abstract : Gotlandsfåren som har en aktiv avelspopulation om 18 000 tackor är Sveriges van-ligaste fårras. Med en stark säsongsbunden brunst på hösten föds lammen under våren och slaktas traditionellt sätt på hösten efter betessäsongen. READ MORE

  5. 4. Pilotstudie om olika etableringsmetoder för vårkorn med universalsåmaskin i norra Småland

    University essay from SLU/Department of Biosystems and Technology (from 130101)

    Author : Patric Vernersson; [2019]
    Keywords : direktsådd; sådd; tidsbesparing; universalsåmaskin; skivbillssåmaskin; plöjning; småland; etableringsteknik; maltkorn; skördeutfall; ogräs;

    Abstract : Det finns både tid och pengar att spara med direktsådd. Ca 50 – 70 % billigare och runt en timme mindre arbetstid på åkern per hektar. Ska direktsådden endast tillämpas på en del av arealen bör det vara någon typ av universalsåmaskin som klarar av både direktsådden och den konventionella sådden. READ MORE

  6. 5. Weed Seed Bank Assessment in Organic Crop Rotations : Comparing the weed suppression effect from intercropping field pea and spring barley, with sole cropping and black fallow

    University essay from SLU/Department of Biosystems and Technology (from 130101)

    Author : Harald Helgesson; [2019]
    Keywords : weed management; crop competitive ability; black fallow; organic crop production; Pisum sativum; Hordeum vulgare; Avena sativa;

    Abstract : In the urge to mitigate the negative impact of weeds, like reduced yields, both agricultural and horticultural production have heavily relied on herbicides for weed control. This has led to vast environmental problems like human health risks and negative impact on biodiversity. READ MORE