densément peuplés. UICN, 2 e réunion technique, La Haye (1951) : 5457.
NIETHAMMER, G. 1963. Die Einbürgerung von Säugetieren und
Vögeln in Europa. Hambourg et Berlin (Parey).
OLSON, T. A. et F. F. BURGESS (dir.). 1967. Pollution and
Marine Ecology. New York et Londres (Interscience).
PARSONS, J. J. 1962. The Green Turtle and Man. Gainesville
(Univ. Florida Press).
PATTERSON, N. A. 1956. Changes Caused by Spray of Chemicals
in The Fauna of Apple Orchards in Nova Scotia. UICN, Rapport,
5 e réunion technique, Copenhague, 1955 : 123-126.
PAULIAN, P. 1957. La pêche autour des îles Saint-Paul et
Amsterdam et son avenir. Terre et Vie : 267-282.
PEAKALL, D. B. 1970. Pesticides and the reproduction of Birds.
Scientific Amer., 222 (4) : 72-78.
PETITJEAN, M. 1966. Le contrôle biologique des mollusques
nuisibles. Année biol., 5 : 271-295.
PETRIDES, G. A. 1956. Big game densities and range carrying
capacities in East Africa. Trans. 21st North Amer. Wildlife Conf. : 525537.
– 1961. The management of wild hoofed animals in the United
States in relation to land use. Terre et Vie : 181-202.
PETRIDES, G. A. et W. G. SWANK. 1958. Management of the Big
game resource in Uganda, East Africa. Trans. 23rd North Amer. Wildlife
Conf. : 461-477.
PHILLIPS, J. 1959. Agriculture and Ecology in Africa. Londres
(Faber and Faber).
PICKETT, A. D. 1960. The Ecological Effects of Chemical Control
Practices on Arthropod Populations in Apple Orchard in Nova Scotia,
Canada. UICN, Rapport, 8 e réunion technique, Varsovie-Cracovie
1960 : R.T. 8/II/6, 5 p.