Essays about: "habitat"

Showing result 31 - 35 of 1001 essays containing the word habitat.

  1. 31. System ecology of legumes mixes in ley production : impact on pollinating insects and further implications for production in northern Sweden

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Philippe Simon; [2023]
    Keywords : Ley production; Nitrogen fixation; Pollination ecology;

    Abstract : The population and diversity of pollinating insects in Europe are declining, partly due to lossof habitat. In agricultural landscapes, farming practices with more intensified land use haveincreased. In Swedish agricultural habitats, most ley production is dominated by grass and red clover (Trifolium pratense). READ MORE

  2. 32. Freedom and Movement for Humans and Wild Animals : A journey along the German-Danish border fence

    University essay from Uppsala universitet/Institutionen för arkeologi och antik historia

    Author : Francis Rogers; [2023]
    Keywords : Animal migration; migrant rights; border fencing; habitat fragmentation; animal agency; German-Danish border;

    Abstract : In December 2019, the Danish government finished building a fence on the border with Germany. Although the fence was nominally intended to prevent wild boar entering Denmark, the government had recently acquired enough barbed wire to reinforce it against human migrants. READ MORE

  3. 33. Potential migration routes for the alien species, pink salmon (Oncorhynchus gorbuscha) : investigating access in west and south coast rivers of Sweden

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Rebecca Martin; [2023]
    Keywords : invasive; alien species; salmonid; anadromous; migration barriers;

    Abstract : Invasive alien species are one of the main drivers of ecosystem change globally, presenting challenges to biodiversity that take many forms Pink salmon, Oncorhynchus gorbuscha, has recently been observed on the Swedish west coast where its presence is the result of secondary spreading from populations introduced to the White and Barents Seas in northwestern Russia. In Sweden, O. READ MORE

  4. 34. Future climate suitability of shade trees in cocoa agroforestry systems in West Africa and shade tree diversity’s impact on farm microclimate : A Minor Field Study

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Jonna Halonen; [2023]
    Keywords : species distribution modeling; cocoa agroforestry; shade trees; West Africa; microclimate; distributionsmodell; kakaoskogslantbruk; skuggträd; Västafrika; mikroklimat;

    Abstract : Shade trees’ implementation into cocoa agroforestry systems in tropical West Africa has proven to have a high potential in increasing farm resilience and mitigating climate change. However, no studies have yet examined the potential future climate suitability for shade trees in the region, which is important when deciding which shade trees to implement. READ MORE

  5. 35. The effects of management practices and environmental variables on the biodiversity of Nardus grasslands in the national park Hohe Tauern, Austria

    University essay from SLU/Dept. of Ecology

    Author : Rebecca Paulina Dörner; [2023]
    Keywords : biodiversity; Nardus stricta; Nardus grassland; national park Hohe Tauern; East Tyrol; alpine pastures;

    Abstract : Introduction. A large part of the biodiversity of the Alps is linked to an interaction between the natural environment and traditional land-use practices. This study focuses on the priority habitat type of species rich Nardus grasslands (Natura 2000 Code 6230*), which is endangered, but continues to thrive in extensively managed subalpine pastures. READ MORE