Essays about: "midfield islets"

Found 2 essays containing the words midfield islets.

  1. 1. The role of midfield islets in pest control

    University essay from Institutionen för naturgeografi och kvartärgeologi (INK)

    Author : Sabine Sigfridsson; [2013]
    Keywords : Agriculture; aphid interaction; biological pest control; bird cherry-oat aphid; cereal aphids; ecosystem services; landscape diversity; midfield islets; natural enemies; non-crop habitats; predators; Prunus padus; Rhopalosiphum padi; Biodiversitet; biologisk bekämpningsstrategi; ekosystemtjänster; havrebladlus; heterogent landskap; hägg; jordbruk; landskapsekologi; lusreducering; naturliga fiender; nyttoinsekter; predatorer; Prunus padus; Rhopalosiphum padi; skadeinsekter; åkerholmar.;

    Abstract : During last century rising populations and changed market preferences have led to large structuralchanges in agriculture in the developed world. Most conventional cultivation methods involve theproduction of few monoculture crops within a homogenous landscape, where pesticides and inorganicfertilizers are used to increase yields. READ MORE

  2. 2. How important are small remnant habitats for biodiversity in the agricultural landscape?

    University essay from Institutionen för naturgeografi och kvartärgeologi (INK)

    Author : Kajsa Andersson; [2010]
    Keywords : ;

    Abstract : The consequences of the agricultural intensification are many and include fragmentation of natural habitats, abandonment of small farms and traditional management, and increased inputs of pesticides and fertilizers. It has also lead to widespread declines in semi-natural grasslands and farmland biodiversity. READ MORE