text Wageningen Landbouwuniversiteit te Wageningen 1987 Ind 259 p. : ill. ; 24 cm. 259 p. : ill. ; 24 cm. Thesis (Phd)-Landboouwuniversiteit te Wageningen, 1987. HOMMEL, Patrick W.F.M. NATURE CONSERVATION ECOLOGY 502.7(922.1) 502.7HOMl INLIS000000000002477 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)