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Lake Kivu

Author: Jean-Pierre Descy
Publisher: Springer Science & Business Media
ISBN: 9400742436
Size: 80.91 MB
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In the heart of Africa, a unique lake attracts the attention of scientists since the beginning of the 20th century. At the foot of the Virunga volcano chain, Lake Kivu harbors a vast amount of dissolved carbon dioxide and methane, making this lake the most dangerous lake on Earth. But the lake furnishes also many goods and services for surrounding populations and may soon become the most important energy supplier in the area. At the beginning of gas exploitation, the time has come for gathering the large amount of scientific information acquired during past and present research on Lake Kivu. The eleven chapters cover many aspects of the physics, geochemistry and biology of the lake, with a particular focus on the unique physical and geochemical features of the water column and on the ecological functioning of the surface waters. The impacts of the introduced fish species and the potential impacts of methane exploitation are also summarized. This multi-disciplinary book may also be used as an introduction to the limnology and biogeochemistry of large tropical lakes, as it covers various aspects of the physics, geochemistry, biology and ecology of the African Great Rift lakes.​

The Inland Water Fishes Of Africa

Author: Didier Paugy
Publisher: IRD Éditions
ISBN: 2709924013
Size: 44.36 MB
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The equilibrium of inland hydrosystems is presently a cause for concern, with species extinction rates there estimated to be 5 times higher than for terrestrial fauna in the 21st century. Urgent measures must be taken to conserve these ecosystems particularly with regard to fishes, which represent an especially rich and diverse evolutionary heritage. Fishes were long unaffected by human activity on the African continent, but anthropogenic pressure has increased in recent decades. Good management of African continental waters is thus of paramount importance in terms of heritage and economics, as fishes are a vital natural resource for the people in sub-Saharan Africa. In view of biodiversity conservation, African fishes are investigated here as a biological model owing to their enormous ecological and genetic diversity. It is essential to know the ecology and structure of various communities, and to understand the impact of human activity. This book discusses the diversity of environments, the origin and evolution of species, survival and adaptive strategies, the structure of fish communities, and the impact of human activity. It also devotes a section to fisheries and fish culture. This ambitious project summarizes the current state of knowledge on African fishes and their populations, highlighting the mechanisms regulating their equilibrium and the causes contributing to their erosion. It is a reference not just for readers involved in African aquatic environments, but for anyone interested in biodiversity conservation in general.

Ecology Of Meromictic Lakes

Author: Ramesh D. Gulati
Publisher: Springer
ISBN: 3319491431
Size: 14.10 MB
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This volume presents recent advances in the research on meromictic lakes and a state-of-the art overview of this area. After an introduction to the terminology and geographic distribution of meromictic lakes, three concise chapters describe their physical, chemical and biological features. The following eight chapters present case studies of more than a dozen meromictic lakes, showing the variety of physical and biochemical processes that promote meromixis. The result is a broad picture of the ecology and biochemistry of meromictic lakes in tropical and cold regions, in man-made pit lakes and euxinic marine lakes, and in freshwater as well as hypersaline lakes. In the final chapter the editors provide a synthesis of the topic and conclude that the study of meromictic lakes also offers new insights into the limnology of inland lakes. The book appeals to researchers in the fields of ecology, limnology, environmental physics and biophysics.

Durch Afrika Von Ost Nach West

Author: Gustav Adolf von Götzen
Publisher:
ISBN: 9783957382399
Size: 64.19 MB
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Der Ostafrikaforscher und Gouverneur von Deutsch-Ostafrika Gustav von Gotzen (1866 - 1910) legt in dem vorliegenden Werk die Ergebnisse seiner Forschungsreise durch Zentralafrika nieder. Gotzen entdeckte dabei nicht nur die bis heute tatigen Vulkane am nordlichen Ende des damals unerforschten Kiwusees, sondern erkundete ebenfalls als erster den Binnenstaat Ruanda. Qualitativ hochwertiger Nachdruck der Originalausgabe von 1895.

Communications

Author:
Publisher:
ISBN: 9783510520237
Size: 20.82 MB
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Nos.1-12 issued as Its Committee on Limnological Methods. Publication, no.1-12.

Angewandte Meteorologie

Author: Thomas Foken
Publisher: Springer-Verlag
ISBN: 3662057433
Size: 48.32 MB
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Gegenstand des Buches sind die atmosphärischen Vorgänge im unmittelbaren Lebensraum des Menschen, also in den unteren 100-1000 Metern der Atmosphäre und in Gebieten mit nur einigen Kilometern Ausdehnung. Dieser mikrometeorologische Raum wird in Büchern der allgemeinen Meteorologie nur wenig berücksichtigt. Damit bietet das Buch Grundlagen insbesondere für angewandte meteorologische Fachgebiete wie Biometeorologie, Agrarmeteorologie, Hydrometeorologie, Umweltmeteorologie und technische Meteorologie sowie für die Biogeochemie. Ein wichtiger Schwerpunkt sind dabei die Transportprozesse und Stoffflüsse zwischen Atmosphäre und Erdoberfläche, wobei bewachsene und heterogene Unterlagen eine besondere Beachtung finden. Der Autor behandelt die Teilgebiete Theorie, Messtechnik, experimentelle Verfahren und Modellierung so, dass sie jeweils auch eigenständig für Lehre, Forschung und Praxis genutzt werden können.

Eine Skandal Se Versuchung

Author: Stephanie Laurens
Publisher: Blanvalet Taschenbuch Verlag
ISBN: 3641044774
Size: 37.25 MB
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Tristan Wemyss, Earl of Trentham, braucht dringend eine Ehefrau, um sein Erbe zu sichern. Seine Wahl fällt auf die bildschöne Nachbarstochter Leonora Carling. Doch die heißblütige Leonora denkt nicht daran, willenlos in seine Arme zu sinken, auch wenn es zwischen beiden heftig knistert. Erst als ihre Familie von Unbekannten bedroht wird, akzeptiert sie seine Hilfe – und lernt schon bald seine Qualitäten als Beschützer und erfahrener Verführer kennen ...