?url_ver=Z39.88-2004&rft_id=doi%3A10.1111%2Fgcb.13591&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Fetzel%2C+T.&rft.aulast=Fetzel&rft.aufirst=T.&rft.issue=4&rft.volume=23&rft.date=April+2017&rft.issn=1365-2486&rft.atitle=Seasonality+constraints+to+livestock+grazing+intensity&rft.title=Global+Change+Biology&rft.pages=1636-1647&rft.genre=article