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                             40 gevonden resultaten
nr titel auteur tijdschrift jaar jaarg. afl. pagina('s) type
1 A new conservation act in Norway Gjaerevoll, Olav
1971
3 2 p. 150-
1 p.
artikel
2 Black rhino rescue campaign in Rhodesia Verwey, J.E.M.
1971
3 2 p. 152-153
2 p.
artikel
3 California Condor survey, 1965–1969 Mallette, Robert D.
1971
3 2 p. 143-145
3 p.
artikel
4 Concepts in planning for water resources development and conservation—the American experience Hamilton, Lawrence S.
1971
3 2 p. 107-112
6 p.
artikel
5 Conference on ‘concepts of pest management’, held in Raleigh, North Carolina, 25–27 March 1970 Guthrie, Frank E.
1971
3 2 p. 155-156
2 p.
artikel
6 Conference on the study and preservation of European Orchids, Halle, East Germany, 4–5 April 1970 Cerovsky, Jan
1971
3 2 p. 156-157
2 p.
artikel
7 Conservation and the control of biting flies in temperate regions Service, Michael W.
1971
3 2 p. 113-122
10 p.
artikel
8 Conservation in Papua and New Guinea Shaw, Dorothy E.
1971
3 2 p. 149-
1 p.
artikel
9 Conservation of macropods in reserves in Western Australia Main, A.R.
1971
3 2 p. 123-133
11 p.
artikel
10 Current status of the Block Island Meadow Vole, Rhode Island Clough, Garrett C.
1971
3 2 p. 150-152
3 p.
artikel
11 Ecological adaptations for breeding in birds Prestt, Ian
1971
3 2 p. 161-
1 p.
artikel
12 Ecologists study effects of man in Alaska National Science Foundation,
1971
3 2 p. 141-143
3 p.
artikel
13 Essential inviolability of national parks and ‘equivalent reserves’ N.P.,
1971
3 2 p. 83-
1 p.
artikel
14 Ethiopia: Last chance for Swayne's hartebeest Bolton, Melvin
1971
3 2 p. 147-149
3 p.
artikel
15 Fourth meeting of the Asian Continental section of the International Council for Bird Preservation, Bharatpur, India, 2–4 December 1969 Dillon Ripley, S.
1971
3 2 p. 154-
1 p.
artikel
16 Fur trade to ban commerce in skins of seven endangered animals Standish, Robert I.
1971
3 2 p. 133-
1 p.
artikel
17 Global environmental conferences N.P.,
1971
3 2 p. 84-
1 p.
artikel
18 Grassland improvement Paul, Erik
1971
3 2 p. 160-161
2 p.
artikel
19 Handbuch für landschaftspflege und naturschutz Duffey, Eric
1971
3 2 p. 161-162
2 p.
artikel
20 International symposium on water pollution control in cold climates, held at College (Fairbanks), Alaska, 22–23 July 1970 Sage Murphy, R.
1971
3 2 p. 157-
1 p.
artikel
21 IUCN establishes new commission on environmental policy, law and administration Standish, Robert I.
1971
3 2 p. 92-
1 p.
artikel
22 IUCN resolutions on National Parks 1971
3 2 p. 122-
1 p.
artikel
23 IUCN's second working meeting of Polar Bear Specialists, held in Morges, 2–4 February 1970 Holloway, C.W.
1971
3 2 p. 154-155
2 p.
artikel
24 Les gaz d'echappement des automobiles: une dangereuse source de pollution L'Europe, Conseil de
1971
3 2 p. 133-
1 p.
artikel
25 Mapping the distribution of seaweeds around the British Isles Norton, T.A.
1971
3 2 p. 143-
1 p.
artikel
26 Morwellham—a venture in recreation, education and conservation Butterfield, James
1971
3 2 p. 91-92
2 p.
artikel
27 Nature reserves in Northern Ireland Northern Ireland Information Service,
1971
3 2 p. 149-150
2 p.
artikel
28 Nitrate in soil, plants and animals 1971
3 2 p. 160-
1 p.
artikel
29 Parc national de la Vanoise en France Budowski, Gerardo
1971
3 2 p. 106-
1 p.
artikel
30 Plastique et nylon, nouveaux dangers pour les animaux Géroudet, Paul
1971
3 2 p. 100-
1 p.
artikel
31 Pleasure from insects Pollard, E.
1971
3 2 p. 162-
1 p.
artikel
32 Studies on assessment of physical condition in African elephants Albl, Peter
1971
3 2 p. 134-140
7 p.
artikel
33 The biology of pastoral man as a factor in conservation Brown, Leslie H.
1971
3 2 p. 93-100
8 p.
artikel
34 The environmental revolution Dorst, Jean
1971
3 2 p. 159-160
2 p.
artikel
35 The formation and maintenance of water-meadows in Hampshire, England Sheail, John
1971
3 2 p. 101-106
6 p.
artikel
36 The status of the Bald Ibis of Southern Africa Siegfried, W.R.
1971
3 2 p. 88-91
4 p.
artikel
37 The vanishing flora of Colombia Quaintance, Charles W.
1971
3 2 p. 145-147
3 p.
artikel
38 The world wildlife fund in the 1970s Vollmar, Fritz
1971
3 2 p. 85-87
3 p.
artikel
39 Wide-ranging deciduous forest biome studies in the United States National Science Foundation,
1971
3 2 p. 153-
1 p.
artikel
40 XV World Conference of the International Council for Bird Preservation, De Koog, Texel, Netherlands, 6–11 September 1970 Barclay-Smith, Phyllis
1971
3 2 p. 157-158
2 p.
artikel
                             40 gevonden resultaten
 
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