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Confinement of honeybee colonies to avoid pesticide losses National Institute of Agronomic Research
Jaycox, Elbert R..
Four methods of confining colonies of honeybees for up to 12 hours (with and whitout water) were tested : (1) black or white-painted polythene sheeting, (2) wet or dry burlap (jute sacking), (3) entrance screen, (4) chipped ice over the hive entrance. Colony temperatures and reactions were nearest to normal when wet burlap or ice was used. In 1960, when external air temperatures reached about 36°C, all colonies beneath plastic were killed, as well as one with an entrance screen.
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; PESTICIDE; APICULTURE; CONFINEMENT; WATER SUPPLY; ICE; ABEILLE DOMESTIQUE; INSECTE SOCIAL; PESTICIDE; APICULTURE; CONFINEMENT; APPORT EN EAU; GLACE.
Ano: 1963 URL: http://hdl.handle.net/2174/457
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L'organisation biogéologique du lac Temsah (Ismaïlia, Egypte) IRD
Perthuisot, J.P.; Guelorget, O.; Ibrahim, A.; Jusserand, C.; Margerel, J.P.; Maurin, A..
Le lac Temsah, situé sur le canal de Suez, à mi-distance entre Port Saïd et Suez, est étudié quant à son organisation hydrologique, hydrochimique, biologique et sédimentologique. Dans sa partie axiale, le bassin est alimenté par de l'eau de mer grâce au canal de Suez. Il est par ailleurs soumis à une influence continentale complexe et originale avec interférence d'un climat aride et d'apports d'eau douce en provenance du Nil. L'organisation hydrologique et hydrochimique du lac dépend de facteurs saisonniers qui gèrent notamment le débit du Nil et la circulation des eaux dans le canal de Suez. Malgré ce dispositif original, l'organisation biologique est semblable à celle des lagunes méditerranéennes; la partie centrale du bassin, modérément confinée, abrite...
Tipo: Text Palavras-chave: LAGUNE; HYDROLOGIE; CHIMIE DE L'EAU; SEDIMENTOLOGIE; BIOGEOLOGIE; CONFINEMENT; RELATIONS MEDITERRANEE MER ROUGE.
Ano: 1990 URL: http://www.documentation.ird.fr/hor/fdi:31497
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Structure et organisation de l'étang de Thau d'après la faune benthique (macrofaune, méiofaune). Relations avec le confinement ArchiMer
Guelorget, O; Perthuisot, Jp; Lamy, N; Lefebvre, A.
The biogeological organization of Thau lagoon was investigated through the granulometric analysis of surficial sediments and study of the qualitative and the quantitative distribution of benthic macrofauna and meiofauna. These show clearly that the lagoonal system is organized according to confinement as conceived by Guelorget and Perthuisot (1983 a; 1992), which depends upon the rate of exchanges with the open sea and the hydrodynamic pattern of the basin. The latter appears to be composed of a pair of lagoonal subsystems separated by a hydrodynamically unstable barrier. The northern subsystem displays the classical concentric organization of Mediterranean lagoons with a clearly defined hydraulic umbilicus. The southern subsystem displays a transverse...
Tipo: Text Palavras-chave: LAGOON; MACROZOOBENTHOS; MEIOBENTHOS; CONFINEMENT; MEDITERRANEAN.
Ano: 1994 URL: http://archimer.ifremer.fr/doc/00098/20880/18494.pdf
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Utilisation des parasites comme indicateurs biologiques des conditions environnementales des hôtes IRD
Sasal, P.; Mouillot, D.; Kulbicki, Michel.
Tipo: Text Palavras-chave: POISSON MARIN; PARASITE; ESPECE INDICATRICE; MICROORGANISME; NEMATODE; POLLUTION MARINE; BAIE; IMPACT SUR L'ENVIRONNEMENT; CRUSTACE; CONFINEMENT.
Ano: 2002 URL: http://www.documentation.ird.fr/hor/fdi:010033491
Registros recuperados: 4
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