Download or read book Evaluation Des Population de Crevette Pandalus Borealis Des Zones de Peche Du Golfe Du Saint Laurent written by Diane Archambault and published by . This book was released on 1987 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book valuation des populations de crevettes Pandalus borealis des zones de p che du golfe Saint Laurent written by Patrick Ouellet and published by [Dartmouth, N.-É.] : Comité scientifique consultatif des pêches canadiennes dans l'Atlantique. This book was released on 1986* with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book valuation des populations de crevette Pandalus borealis des zones de p che du golfe du Saint Laurent written by and published by . This book was released on 1987 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce document présente une étude descriptive de l'état du stock de crevette (Pandalus borealis) au niveau des 5 unités de gestion du golfe du Saint-Laurent (Sept-Îles, Nord- et Sud-Anticosti, Esquiman et Estuaire). Dans un premier temps, on trace un bref portrait de l'exploitation commerciale de la crevette en 1986. Par la suite, une analyse des taux de capture enregistrés au sein des différentes zones de pêche est effectuée. Finalement, la structure démographique (taille et importance relative d'une classe modale) est examinée pour 4 des 5 zones d'exploitation.

Download or read book Evaluation des stocks de crevette Pandalus borealis du golfe du Saint Laurent written by Louise Savard and published by . This book was released on 1988 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Analyse de l impact des captures de femelles ovig res dans la population de crevettes Pandalus borealis Kr yer du golfe du St Laurent par l estimation des taux instatan s de mortalit written by Brigitte Portelance and published by Agriculture, pêcheries et alimentation Québec. This book was released on 1984 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Estimation of Northern Shrimp Pandalus Borealis Biomass and Abundance from the Annual Trawl Survey in the Estuary and the Northern Gulf of St Lawrence from 1990 to 2009 written by Louise Savard and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Evaluation des concentrations de crevettes Pandalus borealis du golfe du Saint Laurent written by Louise Savard and published by . This book was released on 1989 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book valuation des stocks de crevette Pandalus borealis du golfe du Saint Laurent written by and published by . This book was released on 1988 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce document présente une étude descriptive de l'état du stock de crevettes (Pandalus borealis) dans le golfe du Saint-Laurent. Dans un premier temps, on trace un bref portrait de l'exploitation commerciale en 1987. Par la suite, les taux de capture des différentes flottes de pêche sont analysés, des estimations de biomasse sont produites pour 4 des 5 zones à l'étude et les structures démographiques (taille et importance des classes modales) sont examinées en fonction des séries de données historiques. Finalement, des hypothèses sont émises quant à l'état de la ressource et des recommandations sont faites au sujet des niveaux de capture à autoriser pour la saison de pêche 1988.

Download or read book tat Des Populations de Crevettes Nordiques Pandalus Borealis de L estuarie Et Du Golfe Du Saint Laurent divisions 4RST de L OPANO written by J. Lambert and published by . This book was released on 1998 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book valuation des stocks de crevette Pandalus borealis de l estuaire et du golfe du Saint Laurent pour la p riode 1990 2001 written by and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les longueurs moyennes des femelles au The mean lengths of the females at the time moment du relevé sont aussi calculées pour of the survey are also calculated to provide donner une indication de la croissance des an indication of the growth of the cohorts. [...] STATISTIQUES DE PÊCHE FISHERY STATISTICS Les données de prise et effort de la pêche The catch and effort data for the commerciale proviennent des journaux de bord commercial fishery are from shrimpers' des crevettiers et des bordereaux d'achat des logbooks and the purchase slips of usines de transformation. [...] ÉVALUATION DE LA RESSOURCE RESOURCE ASSESSMENT L'état de la ressource est déterminé par l'examen The status of the resource is determined by de divers indicateurs provenant de la pêche examining various indicators from the commerciale et des relevés de recherche. [...] Pour situer l'état de la ressource, on a comparé la To situate the status of the resource, we valeur annuelle des indicateurs à la moyenne des compared the annual value of the indicators valeurs de la période 1990-1999. [...] Les limites de la catégorie neutre sont définies The limits of the neutral category are par l'intervalle de confiance (95 %) de la moyenne defined by the confidence interval (95%) des années 1990-1999 (la période 1995-1999 a around the mean for the years 1990-1999 été utilisée pour les indicateurs relatifs aux prises (the 1995-1999 period was used for the commerciales de la zone de l'Estuaire).

Download or read book valuation des agr gations de crevettes nordiques pandalus borealis du nord du golfe du Saint Laurent divisions 4RST de l OPANO written by L. Savard and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Evaluation des concentrations de crevettes nordiques pandalus borealis du nord du golfe du Saint Laurent divisions 4RST de l OPANO written by L. Savard and published by . This book was released on 1991 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Marine Ornamental Shrimp written by Ricardo Calado and published by John Wiley & Sons. This book was released on 2009-03-16 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marine ornamental shrimp are amongst the most heavily traded invertebrate species in the aquarium industry. The majority of traded species are still collected from the wild, having a major effect on ocean ecosystems. An increase in the amount of culture of these species is now a major priority for those in the trade and for marine conservationists. Marine Ornamental Shrimp provides a global overview of the biology, culture and conservation of the major families of marine ornamental shrimp. Coverage in this thorough volume includes ecological aspects, reproductive biology, major techniques used in culture systems for maturation, larviculture, and juvenile growth, and details of the main conservation issues surrounding these important species including a discussion of the negative aspects of wild specimen collection and the ongoing efforts to mitigate such impacts. Marine Ornamental Shrimp is an important and extremely timely publication which will be an essential reference and manual for all those involved in the trade and culture of marine ornamental species, including aquaculture scientists and personnel in aquaria. Conservation biologists and invertebrate zoologists will also find much of importance within this book. Libraries in all universities and research establishments where aquaculture and biological sciences are studied and taught should have copies of this book on their shelves.

Download or read book Food of Salmonid Fishes of the Western North Pacific Ocean written by George Herbert Allen and published by . This book was released on 1958 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Embryology and Phylogeny in Annelids and Arthropods written by D. T. Anderson and published by Elsevier. This book was released on 2013-10-22 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt: Embryology and Phylogeny in Annelids and Arthropods describes the embryology of segmented invertebrates, utilizing morphological facts of embryonic development in the furtherance of speculations on phylogenetic relationships. This book begins with an introduction to embryology and phylogeny, followed by a discussion on the experimental embryology of animals groups, such as polychaetes, oligochaetes and leeches, onychophorans, myriapods, apterygote and pterygote insects, crustaceans, and chelicerates. The cleavage, gastrulation, and basic pattern of development of these invertebrates are also provided. This text concludes with a presentation of the onychophoran-myriapod-hexapod assemblage or Uniramia. This publication is recommended for experimental embryologists researching on the embryonic development in annelids and arthropods.

Download or read book Atlas of Crustacean Larvae written by Joel W. Martin and published by JHU Press. This book was released on 2014-07 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: An illustrated guide to the sweeping diversity of crustacean larval forms. Winner of the CHOICE Outstanding Academic Title of the Choice ACRL Crustaceans—familiar to the average person as shrimp, lobsters, crabs, krill, barnacles, and their many relatives—are easily one of the most important and diverse groups of marine life. Poorly understood, they are among the most numerous invertebrates on earth. Most crustaceans start life as eggs and move through a variety of morphological phases prior to maturity. In Atlas of Crustacean Larvae, more than 45 of the world's leading crustacean researchers explain and illustrate the beauty and complexity of the many larval life stages. Revealing shapes that are reminiscent of aliens from other worlds—often with bizarre modifications for a planktonic life or for parasitization, including (in some cases) bulging eyes, enormous spines, and aids for flotation and swimming—the abundant illustrations and photographs show the detail of each morphological stage and allow for quick comparisons. The diversity is immediately apparent in the illustrations: spikes that deter predators occur on some larvae, while others bear unique specializations not seen elsewhere, and still others appear as miniature versions of the adults. Small differences in anatomy are shown to be suited to the behaviors and survival mechanisms of each species. Destined to become a key reference for specialists and students and a treasured book for anyone who wishes to understand "the invertebrate backbone of marine ecosystems," Atlas of Crustacean Larvae belongs on the shelf of every serious marine biologist.

Download or read book Marine Biodiversity of Costa Rica Central America written by Ingo S. Wehrtmann and published by Springer Science & Business Media. This book was released on 2008-12-28 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: Life began in the sea, and even today most of the deep diversity of the planet is marine. This is often forgotten, especially in tropical countries like Costa Rica, renowned for their rain forests and the multitude of life forms found therein. Thus this book focusing on marine diversity of Costa Rica is particularly welcome. How many marine species are there in Costa Rica? The authors report a total of 6,777 species, or 3. 5% of the world’s total. Yet the vast majority of marine species have yet to be formally described. Recent estimates of the numbers of species on coral reefs range from 1–9 million, so that the true number of marine species in Costa Rica is certainly far higher. In some groups the numbers are likely to be vastly higher because to date they have been so little studied. Only one species of nematode is reported, despite the fact that it has been said that nematodes are the most diverse of all marine groups. In better studied groups such as mollusks and crustaceans, reported numbers are in the thousands, but even in these groups many species remain to be described. Indeed the task of describing marine species is daunting – if there really are about 9 million marine species and Costa Rica has 3. 5% of them, then the total number would be over 300,000. Clearly, so much remains to be done that new approaches are needed. Genetic methods have en- mous promise in this regard.