A model of the productivity of the mallard duckJOHNSON, D. H; SPARLING, D. W; COWARDIN, L. M et al.Ecological modelling. 1987, Vol 38, Num 3-4, pp 257-275, issn 0304-3800Article

Production de culture de 4 espèces de puces durant un élevage en laboratoireRASSOKHINA, O. S; STAROZHITSKAYA, G. S; KNJAZEVA, T. V et al.Parazitologiâ. 1985, Vol 19, Num 6, pp 488-490, issn 0031-1847Article

Production des principaux groupes de plancton des aires océaniques épipélagiquesSHUSHKINA, EH. A.Okeanologiâ. 1985, Vol 25, Num 5, pp 839-845, issn 0030-1574Article

An optimum yield and allocation policy of the yield for scallop aquaculture at Oshima Substation in HokkaidoHONDA, T.Nippon Suisan Gakkaishi. 1997, Vol 63, Num 6, pp 939-946, issn 0021-5392Article

Evolución y parámetros reproductores del quebrantahuesos Gypaetus barbatus en Catalunya (N.E. España) = Evolution in the breeding rates of the Lammergeier Gypaetus barbatus in Catalonia (N.E. Spain)GARCIA, D; MARGALIDA, A; PARELLADA, X et al.Alauda (Dijon). 1996, Vol 64, Num 2, pp 229-238, issn 0002-4619Conference Paper

Use of rotifer chemostats in aquacultureJAMES, C. M.Ecological Studies. 1993, Vol 98, pp 253-264, issn 0070-8356Article

Production of the benthic amphipods Pontoporeia affinis and P. femorata in a Baltic archipelagoSARVALA, J; UITTO, A.Ophelia. 1991, Vol 34, Num 2, pp 71-90, issn 0078-5326Article

On the relation between catch, stock and production of the Black Sea anchovy (Engraulis encrasicholus ponticus Aleks.)IVANOV, L. S; MIHAILOV, K. R.Okeanologiâ (Sofiâ). 1991, Vol 20, pp 16-25, issn 0324-0878Article

The importance of the planktonic ecosystem of the North sea in the context of oil and gas developmentREID, P. C.Philosophical transactions of the Royal Society of London. Series B, Biological sciences. 1987, Vol 316, Num 1181, pp 587-602, issn 0080-4622Article

Pecularities of reproduction and generative production of tropical copepodsSAZHINA, L. I.Actes de colloques - IFREMER. 1987, Num 5, pp 129-135, issn 0761-3962Conference Paper

Structure et fonctionnement des écosystèmes du Haut-Rhône Français. XXVIII: Estimation de production de gammares = Structure and dynamics of the French upper Rhone ecosystems. XXVIII: production estimation of gammaridsDESSAIX, J.Archiv für Hydrobiologie. 1986, Vol 107, Num 1, pp 125-141, issn 0003-9136Article

Relations entre densité de population et production de chez la truite Oncorhynchus rhodurus dans les rivières de montagne du japonNAGOSHI, M; KURITA, H.Nippon Suisan Gakkaishi. 1986, Vol 52, Num 11, pp 1875-1879, issn 0021-5392Article

Temperature responses of egg production and egg development in two species of CollembolaVAN STRAALEN, N. M; JOOSSE, E. N. G.Pedobiologia (Jena). 1985, Vol 28, Num 4, pp 265-273, issn 0031-4056Article

Mudanças sazonais na estrutura populacional em colônias de três espécies de vespas do gênero Mischocyttarus (Hymenoptera, Vespidae) = Variations saisonnières dans la structure de la population de 3 espèces de Mischocyttarus (Hymenoptera, Vespidae) = Seasonal changes in the populational structure of wasps colonies in three species of Mischocyttarus (Hymenoptera, Vespidae)SIMOES, D; GOBBI, N; DO ROSARIO DE MORAIS BATARCE, B et al.Naturalia (São José do Rio Preto). 1985, Vol 10, pp 89-105, issn 0101-1944Article

Do standardized brood counts accurately measure productivity ?MARZLUFF, J. M; MCFADZEN, M.The Wilson bulletin (Wilson Ornithological Society). 1996, Vol 108, Num 1, pp 151-153, issn 0043-5643Article

Arctica (Cyprina) islandica in Kiel Bay (Western Baltic): growth, production and ecologicol significanceBREY, T; ARNTZ, W. E; PAULY, D et al.Journal of experimental marine biology and ecology. 1990, Vol 136, Num 3, pp 217-235, issn 0022-0981, 19 p.Article

Hydrobiological studies in the Danube : problems and prospectsKHARCHENKO, T. A.Gidrobiologičeskij žurnal (Kiev, 1965). 1990, Vol 26, Num 3, pp 21-31, issn 0375-8990Article

Reproductive ecology of the isopod Idotea baltica (Pallas) in the northern BalticJORMALAINEN, V; TUOMI, J.Ophelia. 1989, Vol 30, Num 3, pp 213-223, issn 0078-5326, 11 p.Article

Linearity of cumulative daily production of a strain Opius concolor Szepl. for several generationsJIMENEZ, A.Fruit flies of economic importance 87. CEC/IOBC international symposium. 1989, pp 333-337, isbn 90-6191-869-3, 5 p.Conference Paper

Some ecological aspects of snakeskin goramy, Trichogaster pectoralis (Regan) populations harvested from ricefield-fish culture systemAHYAUDIN BIN ALI.Indo-Malayan zoology. 1988, Vol 5, Num 1, pp 101-110, issn 0168-6259Article

Estimation of production and respiration rates by the ciliated protozoa community in an experimental ricefieldMADONI, P.Hydrobiologia (The Hague). 1987, Vol 144, Num 2, pp 113-120, issn 0018-8158Article

Influence of nest-box placement and density on abundance and productivity of American Kestrels in central MissouriTOLAND, B. R; ELDER, W. H.The Wilson bulletin (Wilson Ornithological Society). 1987, Vol 99, Num 4, pp 712-717, issn 0043-5643Article

A test of the principle of allocation using two sympatric species of cockroachesROLLO, C. D.Ecology (Durham). 1986, Vol 67, Num 3, pp 616-628, issn 0012-9658Article

Comparaison entre la productivité de zooplancton de lacs de différents types, situés dans le sud de l'Oural (Karagaikul' et Urukul')KOZLOVA, I. V.Èkologiâ. 1986, Num 2, pp 82-83, issn 0367-0597Article

Fish production in the Mesta River, Rila Mountain, Samokov, BulgariaPENCZAK, T; JANKOV, J; DIROV, T. J et al.Fisheries research. 1985, Vol 3, Num 3, pp 201-221, issn 0165-7836Article