

Prey supply of otters (Lutra lutra) in small rivers in north-eastern Belarus: census method used and preliminary data obtained
Oude vondst van een bosvleermuis Nyctalus leisleri (Kuhl, 1817) in Noord-Brabant (Old find of a Leisler's bat Nyctalus leisleri (Kuhl, 1817) in Noord-Brabant)
Using molecular markers and PCB analysis to infer the origin of the otter (Lutra lutra) found on the Knardijk, The Netherlands, in 1998
Publicaties over recente zoogdieren van Nederland, verschenen in 2001
Achterkamp, G. Muizen in de Starrevaart [Zuid-Hol land]. Mammalaar 2001 (2): 3-4.
Achterkamp, G. Vleermuizen tellen in de winter. Arnoeba 75 (2): 36-38.
Achterkamp, G., A-J. Haarsma & R. Jansen. De.......
A review of the transect method by comparing it with three other counting methods to estimate rabbit (Oryctolagus cuniculus) density
The unofficial return of the European beaver (Castor fiber) in Flanders (Belgium)
The European beaver (Castor fiber L.) in Wallonia (southern Belgium): the set-up of an afterthought management programme