Yazar
Valentin Schaefer
6 cilt bulundu.
Valentin Schaefer · Douglas College
Sayfa sayısı yok · 1993
Biological diversity conservation / Biological diversity
Valentin Schaefer · Douglas College Centre for Environmental Studies and Urban Ecology
132 sayfa · 1999
Songbirds / Habitat / Urban ecology (Biology) / Oiseaux chanteurs / Écologie urbaine (Biologie)
Valentin Schaefer · Captus Press
329 sayfa · 2004
Biodiversity conservation / Conservation of natural resources / Urbanization / Conservation of Natural Resources / Biodiversité
Valentin Schaefer · Douglas College, Institute of Urban Ecology
Sayfa sayısı yok · 1997
City planning / Environmental conditions / Urban ecology / Citizen participation / Nature conservation
Angela Chen, Valentin Schaefer · Discovery Press
66 sayfa · 1988
Natural history / Description and travel / Travel
Valentin Schaefer · University of Victoria
108 sayfa · 2013
Restoration ecology / Guidebooks / Walking