Essays about: "habitat requirements"

Showing result 26 - 30 of 65 essays containing the words habitat requirements.

  1. 26. Staden som habitat för vilda pollinerande insekter : en möjlig tillflykt för missgynnade arter

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

    Author : Julia Serfezi; [2017]
    Keywords : solitärbi; humla; fjäril; blomfluga; blommande; nektarväxt;

    Abstract : Vilda pollinerande insekter spelar en viktig roll i upprätthållandet av såväl naturliga som konstgjorda, av människan skapade, landskap. De underhåller exempelvis pollineringen av blommande växter. Då insekter är mycket känsliga för miljöförändringar har deras biologiska mångfald och antal minskat under de senaste årtiondena. READ MORE

  2. 27. EU tree density limits in wooded pastures and their effects on bat populations within traditional agricultural landscapes

    University essay from Stockholms universitet/Institutionen för naturgeografi

    Author : Heather Wood; [2016]
    Keywords : ;

    Abstract : The European Union’s Common Agricultural Policy (CAP) recommends subsidies are only granted for wooded pastures with less than 100 trees per hectare. This arbitrary guidance exists despite these habitats being among the most biodiverse in rural Europe. READ MORE

  3. 28. Conservation assessments of Văcărești urban wetland in Bucharest (Romania) : land cover and climate changes from 2000 to 2015

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Luana Andreea Simion; [2016]
    Keywords : land cover types; climate change; Physical Geography and Ecosystem Analysis; urban wetland; biodiversity; protection and preservation; Earth and Environmental Sciences;

    Abstract : Văcărești Urban Wetland, a recently instituted nature park, is situated in Bucharest (Romania). It has been established over the last 27 years within an abandoned retention polder, built during the communist era. READ MORE

  4. 29. Explaining population size of the saproxylic beetle Prionus coriarius as a function of available dead wood resources

    University essay from SLU/Dept. of Plant Breeding (from 130101)

    Author : Isak Sarac; [2016]
    Keywords : pheromone; coleoptera; cerambycidae; dispersal; threshold; conservation;

    Abstract : Dead wood is an important substrate for many forest bound species including the large group of dead wood associated (saproxylic) beetles. Saproxylic beetles have species specific substrate requirements, that may vary according to factor such as tree species, object type, trunk diameter and decomposition stage. READ MORE

  5. 30. Ecosystem Services in Rating Systems : evaluating rating systems for sustainable design through case studies of ecosystem services in residential yards

    University essay from SLU/Dept. of Landscape Architecture, Planning and Management (from 130101)

    Author : Johanna Spjuth; [2016]
    Keywords : certification; biotope area factor; green area factor; grönytefakorn; sustainablesSites initiative; CEEQUAL; ecosystem services; sustainable development; landscape architecture; residential yards; Western Harbour; Västra Hamnen;

    Abstract : In a world where climate change is a fact, there is an imminent need for a more sustainable development. Design that includes ecosystem services is an important part of creating more sustainable cities. However, in most development projects the short-term economic interest gets to determine how the development is executed. READ MORE