Overview

I had the good fortune to first meet Gerald Kuchling in 1985 when attending a conference held at the CNRS research centre, the Centre d'Etudes Biologiques des Animaux Sauvages (CEBAS), which is a wonderful scientific field station tucked away in the Foret de Chize, not far from the southwest town of Niort in France. The topic of the meeting, which included many invited overseas scientists, was ""Physiological Regulations as Adaptive Mechanisms"", and it was superbly organised by Ivan Assenmacher and Jean Boissin who together edited the impor- tant volume of papers published from the meeting. My stay in Chize was, unfor- tunately, cut short as the wife of a very close colleague died on the night of the first day of the meeting and I had to return to Paris to assist with the funeral -but not before I had the chance to meet and talk with Gerald. He was presenting some of his work on a terrestrial tortoise (or turtle depending upon one's origins) - Testudo hermanni - a species that is now extremely rare in France but still relatively abundant in the then Yugoslavia. Gerald had been working in Yugoslavia, collecting blood samples from both males and females in an attempt to decipher details of its reproductive biology.

Full Product Details

Author:   Gerald Kuchling
Publisher:   Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Imprint:   Springer-Verlag Berlin and Heidelberg GmbH & Co. K
Edition:   Softcover reprint of the original 1st ed. 1999
Volume:   38
Dimensions:   Width: 15.50cm , Height: 1.30cm , Length: 23.50cm
Weight:   0.376kg
ISBN:  

9783642804168

ISBN 10:   3642804160
Pages:   223
Publication Date:   14 December 2011
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
We will order this item for you from a manufactured on demand supplier.

Table of Contents

1 Introduction.- 1.1 Phylogeny.- 1.2 Chelonian Reproductive Traits Compared with Other Reptiles.- 1.3 Anatomy of the Sexual Organs.- 1.4 Secondary Sexual Characteristics.- 2 Methods to Study Reproduction.- 2.1 Radiography.- 2.2 Ultra-sound Scanning.- 2.3 Laparoscopy and Biopsies.- 2.4 Blood Sampling.- 2.5 Considerations Regarding Captive Maintenance.- 3 Gonadal Cycles and Gamete Production.- 3.1 Sexual Maturity.- 3.2 Ovarian Cycle and Egg Production.- 3.3 Testicular Cycle and Sperm Production.- 3.4 Accessory Secretions and Insemination.- 3.5 Sperm Storage in the Female Genital Tract.- 4 Reproductive Behaviour.- 4.1 Migration.- 4.2 Sexual Behaviour.- 4.3 Nesting.- 4.4 Emergence from the Nest.- 5 Reproductive Cycles and Environment.- 5.1 Temperate Zone.- 5.2 Tropical and Subtropical Zone.- 5.3 Multi-Year Reproductive Cycles.- 5.4 Unpredictable Habitats.- 5.5 Conclusions.- 6 Control of Reproduction.- 6.1 Exogenous Factors.- 6.2 Endogenous Timing Mechanisms.- 6.3 Effects of Stress on Reproduction.- 6.4 Conclusions.- 7 Hormones and Reproduction.- 7.1 Gonadal Steroids.- 7.2 Gonadotropins.- 7.3 Gonadotropin-Releasing Hormone.- 7.4 Pineal Hormones.- 7.5 Other Hormones.- 7.6 Hormones and Behaviour.- 7.7 Conclusions.- 8 Eggs and Embryonic Development.- 8.1 Egg Characteristics.- 8.2 Development and Hatching.- 8.3 Sex Determination.- 8.4 Effect of Incubation Environment on Neonates.- 9 Reproductive Patterns and Life History.- 9.1 Resource Allocation.- 9.2 Population Structure and Dynamics.- 10 Threats, Reproduction and Conservation.- 10.1 Environmental Degradation.- 10.2 Exploitation.- 10.3 Conservation Strategies.- 10.4 Commercial Captive Breeding Operations.- 10.5 Risk Minimisation in Assessing Reproduction in Live Chelonians.- 11 Conclusions and Outlook.- References.- SystematicIndex.

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