%0 Journal Article %T An evaluation of the gradsect biological survey method %A Wessels, K. %A Jaarsveld, A. %A Grimbeek, J. %A Linde, M. %J Biodiversity and Conservation $V 7 %N 8 %P 1093-1121 %@ 0960-3115 %D 2004 %I Kluwer Academic Publishers