Lake Pavin History, Geology, Biogeochemistry, and Sedimentology of a Deep Meromictic Maar Lake

About this book

This book represents the first multidisciplinary scientific work on a deep volcanic maar lake in comparison with other similar temperate lakes. A maar is a broad, low-relief volcanic crater caused by a phreatomagmatic eruption (an explosion which occurs when groundwater comes into contact with hot lava or magma). A maar characteristically fills with water to form a relatively shallow crater lake which may also be called a maar. Lake Pavin is located in the Puy-de-Dôme department of France.

The syntheses of the main characteristics of Lake Pavin are, for the first time, set in a firmer footing comparative approach, encompassing regional, national, European and international aquatic science contexts. It is a unique lake because of its permanently anoxic monimolimnion, and furthermore, because of its small surface area, its substantially low human influence, and by the fact that it does not have a river inflow. Lake Pavin: History, Geology, Biogeochemistry, and Sedimentology of a Deep Meromictic Maar Lake reflects the scientific research done on the general limnology, history, origin, volcanology and geological environment as well as on the geochemistry and biogeochemical cycles. Other chapters focus on the biology and microbial ecology whereas the sedimentology and paleolimnology are also given attention. This volume will be of special interest to researchers and advanced students, primarily in the fields of limnology, biogeochemistry, and aquatic ecology.

Contents

PART I: LIMNOLOGY, HISTORY AND COMPARATIVE LEGENDS
1. Pavin, the birthplace of French limnology (1770-2012), and its degassing controversy (1986-2016)
2. Pavin, a rich but fragmented history (200 AD - 2016)
3. Dragons, fairies, miracles and worship at Pavin and other European maar-lakes

PART II: ORIGIN, VOLCANOLOGY AND GEOLOGICAL ENVIRONMENT
4. Volcanism of the Monts Dore (French massif central)
5. The origin of Lake Pavin: Two centuries of controversy
6. Characterization of phreatomagmatic deposits from the eruption of the Pavin maar (France)
7. Magmatic evolution of Pavin's group of volcanoes: Petrology, Geochemistry and modeling of differentiation processes. A preliminary study
8. Distribution, tephrostratigraphy and chronostratigraphy of the widespread eruptive products of Pavin volcano
9. Geology, geomorphology and slope instability of the maar Lake Pavin (Auvergne, French Massif Central)

PART III: GEOCHEMISTRY AND BIOGEOCHEMICAL CYCLES
10. Lake Pavin mixing: New insights from high resolution continuous measurements
11. Carbon cycle in a meromictic crater lake: Lake Pavin, France
12. The iron wheel in Lac Pavin: interaction with phosphorus cycle

PART IV: BIOLOGY AND MICROBIAL ECOLOGY
13. The significance of transparent exopolymeric particles (TEP) for microorganisms in Lake Pavin
14. Lake Pavin: a pioneer site for ecological studies of freshwater viruses
15. Study of prokaryotes and viruses in aquatic ecosystems by metagenetic and metagenomic approaches
16. Anaerobic microbial communities and processes involved in the methane cycle in freshwater lakes: a focus on Lake Pavin
17. New insights into the microbial contribution to the chlorine cycle in aquatic ecosystems
18. The importance of phagotrophic protists in Lake Pavin
19. Diversity and biogeography of picoeukaryotes: new insights into the rare biosphere
20. Molecular diversity studies in Lake Pavin reveal the ecological importance of parasitic true fungi in the plankton
21. History of the fish fauna of Lake Pavin: a population heavily influenced by Man?

PART V: SEDIMENTOLOGY AND PALEOLIMNOLOGY
22. Lake Pavin sedimentary environments
23. Lake Pavin paleolimnology and event stratigraphy

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