Ramadan Sherif (37 results)

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

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Taschenbuch. Condition: Neu. Biological Studies on some Bivalves | (Bivalvia: Mollusca) Inhabiting the Mediterranean Sea Coast, North of Egypt | Sherif Ramadan Abd El-Ghany El-Refaey | Taschenbuch | 360 S. | Englisch | 2019 | LAP LAMBERT Academic Publishing | EAN 9783659884504 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu.…

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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

Condition: New. In English.

Condition: New. In English.

Condition: New. In English.

Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The biomass of the molluscs is very important to ecosystems. In marine environments, molluscs may form the dominant group, especially in their larval stage, but also on soft substrates (bivalves), and on hard substrates, where some molluscs such as Pearl oysters (Pinctada) and mussels may be more important in terms of their biomass than corals (Van Bruggen, 1995). In freshwater environments biomass of molluscs is significant in some environments: for example in temperate countries lake bottoms may be covered with the small bivalves from families Sphaeriidae and Pisidiidae. In tropical areas, the same can be true. Brown (1994) summarises much of the data available on contribution of molluscs to the biomass of freshwater systems in Africa, and shows that prosobranchs contribute the major part in Lakes, such as Chad, Malawi, Tanganyika and Victoria. Molluscs in the man-made Lake Kariba made up nearly the entire biomass of the benthic animals (Prosobranchs 4.1 % and Bivalves 95.8%) (Machena and Kautsky, 1988). 360 pp. Englisch.…

Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Abd El-Ghany El-Refaey Sherif RamadanSherif Ramadan Abd El-Ghany El-Refaey - Degree of Philosophy in Science of Zoology (Parasitology and Invertebrates), Zoology Department, Faculty of Science, Mansoura University.The biomass of .…

Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The biomass of the molluscs is very important to ecosystems. In marine environments, molluscs may form the dominant group, especially in their larval stage, but also on soft substrates (bivalves), and on hard substrates, where some molluscs such as Pearl oysters (Pinctada) and mussels may be more important in terms of their biomass than corals (Van Bruggen, 1995). In freshwater environments biomass of molluscs is significant in some environments: for example in temperate countries lake bottoms may be covered with the small bivalves from families Sphaeriidae and Pisidiidae. In tropical areas, the same can be true. Brown (1994) summarises much of the data available on contribution of molluscs to the biomass of freshwater systems in Africa, and shows that prosobranchs contribute the major part in Lakes, such as Chad, Malawi, Tanganyika and Victoria. Molluscs in the man-made Lake Kariba made up nearly the entire biomass of the benthic animals (Prosobranchs 4.1 % and Bivalves 95.8%) (Machena and Kautsky, 1988).VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 360 pp. Englisch.…

Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - The biomass of the molluscs is very important to ecosystems. In marine environments, molluscs may form the dominant group, especially in their larval stage, but also on soft substrates (bivalves), and on hard substrates, where some molluscs such as Pearl oysters (Pinctada) and mussels may be more important in terms of their biomass than corals (Van Bruggen, 1995). In freshwater environments biomass of molluscs is significant in some environments: for example in temperate countries lake bottoms may be covered with the small bivalves from families Sphaeriidae and Pisidiidae. In tropical areas, the same can be true. Brown (1994) summarises much of the data available on contribution of molluscs to the biomass of freshwater systems in Africa, and shows that prosobranchs contribute the major part in Lakes, such as Chad, Malawi, Tanganyika and Victoria. Molluscs in the man-made Lake Kariba made up nearly the entire biomass of the benthic animals (Prosobranchs 4.1 % and Bivalves 95.8%) (Machena and Kautsky, 1988).…

Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - A pesar de los numerosos estudios ecológicos sobre los invertebrados macrobentónicos del río Nilo egipcio y sus afluentes, faltan catálogos completos que clasifiquen las especies según un esquema filogenético. Este catálogo pretende colmar esta laguna proporcionando un inventario exhaustivo y una redescripción completa de diversas especies de invertebrados macrobentónicos registradas en el cauce principal del río Nilo egipcio, cubriendo un área de 740 km desde Esna en el sur hasta El-Qanatir Al-Khayriyyah en el norte. El catálogo registra un total de 54 taxones, lo que indica una diversidad relativamente alta de la fauna macrobentónica. Entre ellos, siete especies se consideran nuevos registros para el canal principal del río Nilo egipcio. La documentación de los invertebrados macrobentónicos es esencial para comprender la biodiversidad y la salud ecológica del río Nilo. El catálogo incluye observaciones detalladas sobre estos invertebrados para facilitar la discriminación de las especies y proporciona información sobre sus hábitats y patrones de distribución a lo largo de los distintos tramos del río. Este catálogo constituye un valioso recurso para los responsables de la conservación y gestión del río Nilo.…

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Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Malgré de nombreuses études écologiques sur les invertébrés macro-benthiques du Nil égyptien et de ses affluents, il n'existe pas de catalogues complets classant les espèces selon un schéma phylogénétique. Ce catalogue vise à combler cette lacune en fournissant un inventaire exhaustif et une redescription complète de diverses espèces d'invertébrés macro-benthiques recensées dans le chenal principal du Nil égyptien, couvrant une zone de 740 km allant d'Esna au sud à El-Qanatir Al-Khayriyyah au nord. Le catalogue recense un total de 54 taxons, ce qui indique une diversité relativement élevée de la faune macro-benthique. Parmi ces taxons, sept espèces sont considérées comme de nouveaux enregistrements pour le canal principal du Nil égyptien. La documentation des invertébrés macro-benthiques est essentielle pour comprendre la biodiversité et la santé écologique du fleuve Nil. Le catalogue comprend des remarques détaillées sur ces invertébrés afin de faciliter la discrimination des espèces et fournit des informations sur leurs habitats et leurs schémas de distribution le long des différentes sections du fleuve. Ce catalogue constitue une ressource précieuse pour les décideurs politiques engagés dans la conservation et la gestion du fleuve Nil. …

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