Kategoria BISAC: Nature >> Animals - Fish

This interdisciplinary collection of essays examines the history of forestry in the United States, exploring the impact of the discipline on natural and human landscapes since the mid-nineteenth century. Through important articles that have helped define the field, it assesses the development of the forestry profession and the U.S. Forest Service, analyzes the political and scientific controversies that have marked forestry's evolution, and discloses the transformations in America's...

Pacific salmon are an important biological and economic resource of countries of the North Pacific rim. They are also a unique group of fish possessing unusually complex life histories. There are seven species of Pacific salmon, five occurring on both the North American and Asian continents (sockeye, pink, chum, chinook, and coho) and two (masu and amago) only in Asia.

The life cycle of the Pacific salmon begins in the autumn when the adult female deposits eggs that are fertilized in gravel beds in rivers or lakes. The young emerge from the gravel the following spring and will either...

The tremendous abundance of fish seen during a single scuba dive or snorkeling session in the tropics is just staggering. Indeed in some areas there are dozens of species inhabiting only one or two hectares of reef. But whether you get underwater, view marine life from the comfort of a glass-bottomed boat or just visit an aquarium, Handy Pocket Guide to Tropical Coral Reef Fishes provides an excellent introduction to 68 of the most commonly encountered tropical reef fishes.

Written by Dr....

Fishing is one of the most popular sports in Oklahoma, a state that boasts over 1,000 square miles of water. Now Fishes of Oklahoma, the only comprehensive handbook available for identifying fishes across the state of Oklahoma, is available to scientists and to anglers interested in knowing more about the fish they catch. Precise keys and clear black-and-white photos or drawings of every species allow for the ready identification of all Oklahoma fishes. Within each species account is a map showing where the fish can be found in the state, as well as information on its habitat and...

Oyster Culture is a thorough review of the subject, providing a huge wealth of practical and commercially vital information of importance to all those involved in this expanding industry.

Based on a lifetime's work in the industry, George Matthiessen has written a much-needed and comprehensive book covering all major aspects of the...