?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Aufwertung+der+Kulturlandschaft+durch+N%C3%83%C2%BCtzlingsf%C3%83%C2%B6rderung+im+Gem%C3%83%C2%BCse-+und+Ackerbau&rft.subject=+Pflanzengesundheit%2C+-qualit%C3%83%C2%A4t%2C+-schutz&rft.description=Many+agroecosystems+are+unfavourable+environments+for+natural+enemies+due+to+high+levels+of+disturbance.+Fragmentation+and+loss+of+suitable+habitats+has+caused+natural+enemies+to+decline+in+species+diversity+and+abundance%2C+and+has+even+resulted+in+extinctions+and+loss+of+biocontrol+function.+Therefore+a+diversification+through+habitatmanagement+is+essential+to+create+a+suitable+ecological+infrastructure+within+the+agricultural+landscape+to+resources+such+as+food+for+adult+natural+enemies%2C+alternative+prey+or+hosts%2C+and+shelter+from+adverse+conditions.%0D%0A%0D%0AThe+concept+of+a+multi-level+approach+of+pest-control+on+organic+farms+combines+indirect+with+direct+plant+protection+measures+and+habitat+manipulation+using+functional+biodiversity.+Non-crop+habitats+are+known+to+play+an+essential+role+for+reproduction+and+survival+of+natural+enemies+offering+food+resources%2C+overwintering+sites+and+refugees.+Using+selective+plants+in+field+margins+adjacent+to+the+crops+is+a+key+issue.+After+a+general+improvement+of+biodiversity+on-farm+a+specifically+tailored+biodiversity+to+the+needs+of+key+antagonists+on+crop+level+is+necessary+to+increase+pest-control+in+annual+crops.%0D%0A%0D%0AProject+aims%3A%0D%0A-+Impact+of+habitat+manipulation+on+parasitism+and+predation+of+key+pests+in+annual+crops+(lepidopteran+pests+in+cabbage+crops).+Field+trials+on-farm.+%0D%0A-+Analysis+of+temporal-spatial+dispersal+pattern+of+natural+enemies+between+non-crop+and+crop+habitat+on+local+scale.%0D%0A-+Development+of+management+techniques+of+field+margins+and+seed+mixtures+to+conserve+a+high+level+of+structural+and+species+diversity.%0D%0A%0D%0AMethodology%3A%0D%0A-+Investigation+of+the+parasitism+rates+of+cabbage+lepidopteran+pest+in+relation+to+presence+or+absence+of+adjacent+sown%2C+species+rich+wildflower+strips+on+several+farms+at+different+sites+in+arable+landscapes+of+Western-Switzerland.+Furthermore+using+batches+of+reared+eggs+the+spatial+pattern+of+parasitism+in+relation+to+the+strip+was+analysed+in+an+experimental+grid+design.+Using+molecular+methods+to+quantify+egg-parasitism+rates+(collaboration+with+Univ.+Innsbruck).%0D%0A-+Test+of+different+seed-mixtures+and+management+techniques+of+field+margins+on-farm.%0D%0A%0D%0AResults%2C+conclusion%2C+state+of+the+art%3A%0D%0A-+See+Pfiffner+et+al.+2003+and+Pfiffner+%26+Wyss+2004+(review+on+wild+flower+strip)%0D%0A&rft.type=Projektbeschreibung+mit+Link+zur+Projekthomepage&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F5743%2F1%2Ffibl-projekt-funktionelle-biodiversitaet.pdf&rft.identifier=%7BProjekt%7D+Biodiversity+and+pest+control%3A+Aufwertung+der+Kulturlandschaft+durch+N%C3%83%C2%BCtzlingsf%C3%83%C2%B6rderung+im+Gem%C3%83%C2%BCse-+und+Ackerbau.+[Improvement+of+agricultural+land+to+increase+natural+enemies+in+annual+crops.]+Laufzeit%3A+2003+-+2006.+Projekt+Projektleiter%2Fin%3A+Pfiffner%2C+Lukas%2C+Research+Institute+of+Organic+Agriculture+(FiBL)%2C+CH-5070+Frick.+Weitere+Informationen+online+unter%3A+%3Chttp%3A%2F%2Fwww.fibl.org%2Fde%2Fschweiz%2Fforschung%2Fentomologie.html+%3Chttp%3A%2F%2Fwww.fibl.org%2Fde%2Fschweiz%2Fforschung%2Fentomologie.html%3E%3E.&rft.relation=http%3A%2F%2Forgprints.org%2F5743%2F