Download A field guide to coral reefs of the Caribbean and Florida : by Eugene H Kaplan PDF

By Eugene H Kaplan

ISBN-10: 0395316618

ISBN-13: 9780395316610

Portrays the ecology and formation of coral reefs and describes many of the animals that inhabit the reefs of southern Florida and the Caribbean

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Extra resources for A field guide to coral reefs of the Caribbean and Florida : a guide to the common invertebrates and fishes of Bermuda, the Bahamas, southern Florida, the West Indies, and the Caribbean coast of Central and South America

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Sonesson and H. 23 Abstract: Broodstock management, the control of reproduction and genetic improvement are central parts of an aquaculture business that allow a hatchery to continually improve efficiency and productivity of the entire business. Control of reproduction, has been classified into critical points and management points. The chapter identifies and explains how critical points must be controlled to obtain successful spawning of good quality eggs and how management points can be controlled to maximize production.

The topic of broodstock management is large and complex and is expertly reviewed by Neil Duncan and his colleagues in Chapter 2. Genetic improvement through selection can yield from 5–20 % improvement in selected traits per generation, but only if you get it right from the start. This comprehensive chapter gives all the latest advances along with the caveats and cautions accumulated by the authors’ considerable experience in this field. One of the most exciting and significant additions to the modern hatchery manager’s toolbox is the ability to store gametes by cryopreservation.

UV lights placed in the water flow are exposed to fouling and are thus usually equipped with cleaning mechanisms. Ozone is a very strong oxidizing agent, and a high enough dose will oxidize organic matter in the water, including micro-organisms. Use of ozone will therefore have additional effects which UV light does not have, such as reducing water turbidity, water color, the amount of organic carbon, the number of metal connections and the amount of algae. There is, therefore, an increased interest in the use of ozone.

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