?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=E&rft.au=Haglund%2C+E&rft.aulast=Haglund&rft.atitle=Dry+land+tree+management+for+improved+household+livelihoods%3A+Farmer+managed+natural+regeneration+in+Niger&rft.title=Journal+of+Enviroment+Management&rft.issn=0301-4797&rft.date=2011&rft.volume=92&rft.pages=1696-1705&rft.issue=7&rft.genre=article