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Registros recuperados: 35
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Larval rearing and weaning of seabass, Lates calcarifer (Block), on experimental compounded diets ArchiMer
Fuchs, Jacques; Nedelec, Georges.
Larval rearing trials of seabass larvae, either imported from Singapore or obtained from the captive broodstock of IFREMER/C.O.P. at Tahiti, were carried out since 1987, by testing different technologies originally used in South East Asia (green-water culture, sequential water changes) or developed by IFREMER for other species (clear water system, preys enrichment, continuous water renewal).
Tipo: Text Palavras-chave: Lates calcarifer; Diets; Survival; Fish larvae; Brood stocks; Mortality; Pellet feeds; Artificial feeding; Swimming; Abnormalities; Swim bladder; Growth.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1433.pdf
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Definition of scientific basis for the development of an overall aquaculture masterplan for South Africa - Report of the mission in South Africa from 9 to 15 February 1998 - Project definition and detailed workplan for 1998 ArchiMer
Dosdat, Antoine; Fuchs, Jacques; Mazurie, Joseph; Paquotte, Philippe; Mariojouls, Catherine.
After the decision taken by the French - South African committee to reduce the budget and the duration of all the selected proposaIs of the first call, Rhodes University and Ifremer decided to revise their joint proposaI and organized a meeting in South Africa in february 1998. A multidisciplinary team composed of economists and specialists in different fields of aquaculture spent on week in South Africa (9 and 15 february 1998) with Prof Hecht and his team in Rhodes University, in order to precise the proposaI and define detailed actions to be carried out within the next two years. The present report summarises the principal conclusions of the survey in term of general approach, detailed methodologies and planning for 1998.
Tipo: Text
Ano: 1998 URL: http://archimer.ifremer.fr/doc/00153/26463/24571.pdf
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Analyse prospective jusqu'en 2025 de la demande en recherche des pays du sud dans le domaine des "ressources vivantes" - Rapport final ArchiMer
Blancheton, Jean-paul; Fuchs, Jacques; Lacroix, Denis; Lacroix, Nicole; Lemercier, Philippe; Marin, Jean; Antoine, Loic.
L'accélération des changements dans tous les domaines, qu'il s'agisse d'environnement, de technologies ou de la vie des sociétés humaines, est une donnée majeure de notre temps. Jusqu'au XIXe siècle, les hommes gardaient une relative maîtrise des révolutions, qu'elles soient techniques (la vapeur, l'électricité, l'atome, ... ) ou sociales (la démocratie, le communisme, etc). A la fin du XXe siècle, la complexité des sociétés humaines, le foisonnement des découvertes scientifiques rapidement exploitées par l'industrie à des fins économiques et l'interdépendance croissante de toutes les activités dans des écosystèmes fragilisés ont conduit les communautés humaines à davantage subir les révolutions: mondialisation d'une économie de plus en plus immatérielle,...
Tipo: Text
Ano: 2002 URL: http://archimer.ifremer.fr/doc/00304/41528/40736.pdf
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La pisciculture marine en France ArchiMer
Dosdat, Antoine; Gaignon, Jean-louis; Fuchs, Jacques; Harache, Yves; Lacroix, Denis; Paquotte, Philippe; Thouard, Emmanuel.
Tipo: Text
Ano: 1997 URL: http://archimer.ifremer.fr/doc/00344/45564/45162.pdf
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Aquaculture et pêche dans les pays du Sud : analyse prospective 2025 de la demande en recherche ArchiMer
Blancheton, Jean-paul; Fuchs, Jacques; Lacroix, Denis; Lacroix, Nicole; Lemercier, Philippe; Marin, Jean; Antoine, Loic.
This document presents four years of work by an Ifremer's prospective group on the research demand in the fields of fisheries and aquaculture in southern countries by 2025. The study focused on a retrospective assessment of the scientific cooperations conducted by the Institute with southern countries over the past twenty-five years. It was followed by a classic prospective ana/ysis based on the method of scenarios, comp/eted bya research on a wide range of published documents. The analysis identified the most Frequent research demands in five geographic areas of the southern hemisphere. The relevant research themes where Ifremer should intervene as weil as geographic priorities were a/so defined. Two practical conclusions were formulated: on the one hand,...
Tipo: Text Palavras-chave: Southern countries; Fisheries; Aquaculture; Research demand; Prospective analysis; Pays du Sud; Halieutique; Aquaculture; Demande en recherche; Prospective.
Ano: 2002 URL: http://archimer.ifremer.fr/doc/2002/rapport-4314.pdf
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Assessment of tropical shrimp aquaculture impact on the environment in tropical countries, using hydrobiology, ecology and remote sensing as helping tools for diagnosis ArchiMer
Fuchs, Jacques; Martin, Jean-louis M.; Populus, Jacques.
After a period of rapid development of the sites (an increase in both reared surface area and production), tropical shrimp aquaculture is currently being faced with critical problems due to economical and ecological constraints. In many countries with favourable conditions for shrimp aquaculture such as indonesia or Vietnam, sites are often badly selected and/or over-exploited. This conducts to sorne extent to decreases or collapses in the production due to the difficulty in predicting the maximum production capacity of the sites. Furthermore, it appears that production sustainability depends on many factors among which socio-economy and ecolo gy are of prime importance. The STD3 project titled « Assessment of tropical shrimp aquaculture impact on the...
Tipo: Text Palavras-chave: Interaction aquaculture - environnement; Aquaculture crevettes; Critères écologiques et socio-économiques; Sélection de sites; Suivi du développement; Télédétection; SIG; Impact assessment; Coastal environment; Shrimp culture; Biological and socio-economic criteria; Site selection; Remote sensing; GIS.
Ano: 1998 URL: http://archimer.ifremer.fr/doc/00132/24357/22357.pdf
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World Aquaculture 1993 : 24ème congrès de la World Aquaculture Society - 17ème congrès de l'European Aquaculture Society - 2ème congrès mixte WAS-EAS, Torremolinos, Espagne, 24- 28 mai 1993 ArchiMer
Bodoy, Alain; Calvas, Jacques; Fuchs, Jacques; Lacroix, Denis; Mazurie, Joseph; Paquotte, Philippe; Rene, Francois.
Ce document est un rapport de mission commun des 44 chercheurs du groupe IFREMER ayant participé au 2ème congrès mixte de la World Aquaculture Society et de l'European Aquaculture Society qui s'est tenu à Torremolinos, en Espagne, du 24 au 28 mai 1993.
Tipo: Text
Ano: 1993 URL: https://archimer.ifremer.fr/doc/00021/13207/10259.pdf
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Nutrition of the seabass Lates calcarifer ArchiMer
Cuzon, Gerard; Chou, R; Fuchs, Jacques.
The Primary Production Department of Singapore (PPD) studies covered the weaning of seabass from fingerlings stage onwards and the dietary protein requirement of early grow-out fish. Dietary protein requirement of early grow-out seabass was demonstrated to be between 40-50%, at dietary lipid level of 12%, using fishmeal protein. Nevertheless fish growth was significantly higher with trashfish feed, but apparent protein retention was significantly better with formulated feed.
Tipo: Text Palavras-chave: Lates calcarifer; Fry; Nutritional requirements; Biochemistry; Food absorption; Growth rate; Fish meal; Seed (aquaculture); Dietary deficiencies; Fingerlings; Lipids; Proteins; Diets; Pellet feeds.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1425.pdf
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The sexuality of cultured hermaphroditic fish species: Analysis of morphological and endocrinological features in a protogynous hermaphrodite, Epinephelus microdon , as a basis for further research to control reproduction in the grouper ArchiMer
Debas, L; Fostier, A; Fuchs, Jacques; Weppe, M; Nedelec, Georges; Benett, A; Cauty, C; Jalabert, B.
The Polynesian grouper, Epinephelus microdon , was chosen as an experimental model in order to investigate about factors controlling sexuality in groupers.
Tipo: Text Palavras-chave: French Polynesia; Epinephelus microdon; Sex ratio; Sexual maturity; Sex hormones; Sex determination; Sex; Fish culture; Endocrinology; Reproduction; Sex reversal; Animal morphology.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1439.pdf
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Selection of finfish species (seabass) as candidates for aquaculture in French Polynesia ArchiMer
Fuchs, Jacques; Gasset, Eric; Nedelec, Georges.
Species with a very high potential for aquaculture, allowing development projects on a short terms basis: the seabass originating from S.E. Asia. Species, potentially interesting but presenting some drawbacks, as difficulties to perform larval rearing or presenting pathological problem. Species considered as difficult to rear and not retained like Siganus argenteus , Siganidae or Caranx ignobilis , Carangidae. The future development of finfish in Polynesia is emphasized and a project of sea bass netcage culture in Polynesian lagoon is presented.
Tipo: Text Palavras-chave: Siganus argenteus; Oreochromis; Coryphaenidae; Epinephelus microdon; Serranidae; Lates calcarifer; Centropomidae; Pisces; Fry; Fish larvae; Lagoons; Cage culture; Pellet feeds; Sexual reproduction; Spawning; Growth.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1474.pdf
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World aquaculture 1993, Torremolinos, Espagne, 24-28 mai 1993. Rapport de mission de l'IFREMER ArchiMer
Bodoy, Alain; Calvas, Jacques; Fuchs, Jacques; Lacroix, Denis; Mazurie, Joseph; Paquotte, Philippe; Rene, Francois.
Tipo: Text
Ano: 1993 URL: http://archimer.ifremer.fr/doc/00040/15136/12475.pdf
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Les grandes tendances de l'évolution de la Méditerranée et leurs conséquences sur le développement de l'aquaculture ArchiMer
Flos, Rosa; Fuchs, Jacques; Lacroix, Denis.
The Mediterranean aquaculture has been developing significantly for the last 20 years, mainly thanks to the technical and commercial success of seabass Dicentrarchus labrax and seabream Sparus aurata fam1ing (production of 100000 t. expected in 2000). This rapid increase in the production is similar to what is observed in many countries where the steady demand of new products, reliable technologies and good quality site are secured at the same time.
Tipo: Text
Ano: 2000 URL: http://archimer.ifremer.fr/doc/00041/15182/12519.pdf
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Disease control with quality compost in pot and field trials Organic Eprints
Fuchs, Jacques; Larbi, Mohamed.
Quality compost can have a positive effect on soil fertility and plant growth and health. This positive effect is not only observable in the laboratory, but also by growers. Phytopathological problems could be solved with the use of compost. Durable success can only be obtained if a quality management is resolutely followed. Further research is needed to optimize the quality management of compost production and utilization. For example, very little is known about the long-term effect of the different composts on soil fertility and disease receptivity.
Tipo: Conference paper, poster, etc. Palavras-chave: Composting and manuring.
Ano: 2005 URL: http://orgprints.org/4887/1/Fuchs%2D2005%2DQuality_Compost.pdf
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Ökologische Jung- und Zierpflanzenproduktion: Herstellung und Einsatz komposthaltiger Pflanzsubstrate Organic Eprints
Koller, Martin; Fuchs, Jacques; Bruns, Christian.
Erwünscht sind im ökologischen Gartenbau biologisch aktive Substrate mit einem möglichst niedrigen Torfgehalt. Qualitätskomposte übernehmen hier die tragende Rolle. Das Merkblatt informiert über die Anforderungen, die an Ökosubstrate und Zuschlagstoffe - allen voran Kompost - gestellt werden und sagt, worauf bei Herstellung und Einsatz geachtet werden muss.
Tipo: Book Palavras-chave: Vegetables; Composting and manuring.
Ano: 2005 URL: http://orgprints.org/4039/1/koller-2005-mb-1367-pflanzsubstrate.pdf
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Wirkung von Kompost und Gärrückstand auf den Boden Organic Eprints
Fuchs, Jacques.
Im rahmen des BAFU-Projektes "Wirkung von Komposten und Gärgut auf die Umwelt, die Bodenfruchtbarkeit und die Planzengesundheit" wurde, neben der detaillierten Charakterisierung von 100 repräsentativen Komposten und Gärgut aus der Schweiz, der mittelfristige Einfluss von Kompost und Gärgut auf die Bodeneigenschaften in zwei Feldversuche untersucht. Im speziellen wurden dabei die Auswirkung der verschiedenen Produkte auf die Stickstoffverfügbarkeit und die biologische Bodenaktivität untersucht.
Tipo: Journal paper Palavras-chave: Soil biology Composting and manuring Crop health; Quality; Protection.
Ano: 2008 URL: http://orgprints.org/18011/1/fuchs%2D2008%2Darge%2Dkompost%2Dbiogas.pdf
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FiBL-Forschung zur Bekämpfung der Apfelkrankheiten Schorf und Regenflecken Organic Eprints
Fuchs, Jacques; Tamm, Lucius.
1. Bekämpfung des Apfelschorfes Dank Optimierung der Bekämpfungsstrategie und der Anwendung von Alternativprodukten (u.a. Tonerdepräparate) sowie dem Anbau resistenter Apfelsorten wurden in den letzten Jahren klare Verbesserungen bei der Bekämpfung des Apfelschorfes in Bioanlagen erzielt. Bei grösserem Krankheitsdruck ist jedoch der Schutz bei den nicht resistenten Marktsorten immer noch unbefriedigend. Mit dieser Problematik befasst sich das FiBL weiterhin mit folgenden Forschungsrichtungen. 2. Regenfleckenkrankheit Die FiBL-Versuche der letzten Jahre haben gezeigt, dass mit Cocana RF ein guter Schutz der Äpfel gegen die Regenfleckenkrankheit möglich ist. Dabei spielt die Applikationstechnik eine entscheidende Rolle. Es ist offensichtlich, dass...
Tipo: Book chapter Palavras-chave: Fruit and berries Crop health; Quality; Protection.
Ano: 2003 URL: http://orgprints.org/2655/1/fuchs%2D2003%2Dapfelkrankheiten.pdf
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Grundlagen zur Bodenfruchtbarkeit - Die Beziehung zum Boden gestalten Organic Eprints
Berner, Alfred; Böhm, Herwart; Brandhuber, Robert; Braun, Josef; Brede, Uwe; Colling-von Roesgen, Jean-Louis; Demmel, Markus; Dierauer, Hansueli; Doppler, Georg; Ewald, Bernd; Fisel, Thomas; Fließbach, Andreas; Fuchs, Jacques; Gattinger, Andreas; Häberli, Hansueli; Heß, Jürgen; Hülsbergen, Kurt-Jürgen; Köchli, Martin; Kolbe, Hartmut; Koller, Martin; Mäder, Paul; Müller, Adrian; Neessen, Peter; Patzel, Nikola; Pfiffner, Lukas; Schmidt, Harald; Weller, Stefan; Wild, Melanie.
Die Broschüre beleuchtet die Bodenfruchtbarkeit aus verschiedenen wissenschaftlichen und bäuerlichen Blickwinkeln. Die Informationen wollen praktische Beobachtungen der Landwirte ergänzen und dazu anregen, die Beziehung zum Boden zu überdenken und eine wirklich nachhaltige Bodenkultur zu praktizieren.
Tipo: Book Palavras-chave: Soil.
Ano: 2012 URL: http://orgprints.org/21814/1/berner-etal-2012-mb-1576-bodenfruchtbarkeit.pdf
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Neue Erkenntnisse aus Pflanzenschutzversuchen des FiBL Organic Eprints
Fuchs, Jacques; Amsler, Thomas; Jimenez, Sonia; Tamm, Lucius.
Die gezeigten Ergebnisse deuten darauf hin, dass einige interessante Alternativprodukte zu Kupfer in Entwicklung sind. Diese sind jedoch noch weit entfernt von der Marktreife. Mit den Tonerden stehen aber schon jetzt gute Alternativen zu Kupfer zur Verfügung, die uns erlauben, in normalen Jahren die Krankheitsentwicklung bei Reben zu kontrollieren. In der Schweiz sind vorerst die bekannten Alternativen mit Tonerde verfügbar. Seit 2004 ist Kaliumpermanganat neu in der Schweizer Bioverordnung aufgeführt. Kaliumpermanganat ist nicht in der FiBL-Hilfsstoffliste aufgeführt, da kein Handelsprodukt kommerzialisiert ist. Kaliumpermanganat kann aber im Handel bezogen werden. In Deutschland, Italien und Frankreich wird verschiedentlich Phosphit eingesetzt,...
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection Viticulture.
Ano: 2004 URL: http://orgprints.org/2664/1/Fuchs%2D2004%2Dpflanzenschutzversuche%2Dweinbautagung.pdf
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I Fondamenti della fertilità del terreno Organic Eprints
Berner, Alfred; Dierauer, Hansueli; Fuchs, Jacques; Fliessbach, Andreas; Koller, Martin; Mäder, Paul; Müller, Adrian; Pfiffner, Lukas; Patzel, Nikola; Böhm, Herwart; Brandhuber, Robert; Braun, Josef; Brede, Uwe; Colling-von Roesgen, Jean-Louis; Demmel, Markus; Doppler, Georg; Ewald, Bernd; Fisel, Thomas; Gantlett, Richard; Häberli, Hansueli; Hess, Jürgen; Hülsbergen, Kurt-Jürgen; Köchli, Martin; Kolbe, Hartmut; Neessen, Peter; Patzel, Nikola; Schmidt, Harald; Weller, Stefan; Tolhurst, Iain; Wild, Melanie.
La fertilità del suolo è riconosciuta come valore fondante sin dai pionieri dell'agricoltura biologica ma, ancor oggi, alla conservazione di un suolo fertile non viene attribuita abbastanza attenzione. Eppure l'agricoltura biologica dipende da una buona e naturale fertilità del suolo.
Tipo: Book Palavras-chave: Soil.
Ano: 2018 URL: http://orgprints.org/33065/1/I%20Fondamenti%20della%20fertilit%C3%A0%20del%20terreno%20.pdf
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Vorteile des Komposteinsatzes im Gemüsebau Organic Eprints
Koller, Martin; Fuchs, Jacques; Berner, Alfred.
Grüngutkompost und Gärsubstrate („Biogaskompost“) fällt in der Schweiz jährlich in grossen Mengen an. Befürchtungen, dass Kompost Stickstoff „fressen“ sowie Unkraut und Krankheiten verbreiten, verhindern oft einen gezielten Einsatz im Gemüsebau. Versuche und Praxiserfahrungen der letzten Jahren haben aber gezeigt, dass Komposte bei der richtigen Herstellung und Verwendung eine vielfältig positive Wirkung haben können. Neben einer Düngerwirkung und einem humusaufbauenden Effekt können gute Komposte auch krankheitsunterdrückend wirken.
Tipo: Journal paper Palavras-chave: Vegetables; Composting and manuring.
Ano: 2003 URL: http://orgprints.org/2822/1/koller%2Detal%2DKompost%2Dder%2DGemuesebauer.pdf
Registros recuperados: 35
Primeira ... 12 ... Última
 

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