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Aquaculture has a long history, but for much of the world it remains somewhat of a novelty, being practiced less than agriculture or capture fisheries.

Although carp ponds are rooted in antiquity, they are still popular today, and enthusiasts worldwide maintain associations devoted to these fish. Shown here are colorful koi, originally bred from the common grass carp, swimming in a pond at a Japanese garden and teahouse. Carp have religious and cultural significance in Asia and other parts of the world.

Yet as the world demand for fish increases, recent advances in growing fish in captivity have led to a rapid expansion of the aquaculture industry.

During the last 30 years of the twentieth century, aquaculture grew at an average annual rate of 10 percent, and emerged as the only growth sector of the fisheries industry. At the beginning of the twenty-first century, aquaculture’s share of total fish production worldwide was 25 percent, and that proportion is projected to increase. Even though the production of fish from capture fisheries has not substantially increased over the past decade (1990s), capture fisheries nevertheless account for a far greater percentage than aquaculture.

Diversity of aquaculture species.

Hundreds of species of finfish, crustacean, mollusks, and plants are used in aquaculture. Most are finfish species, and many of these are grown as food fishes. The most common fresh-water aquaculture species are carp, tilapia, catfish, and trout. Other species are cultivated as bait fish, ornamental fish for water gardens and aquaria, sport (game) fish, laboratory fish for experimentation, industrial and medicinal products, and as native fish to mitigate losses to wild fish populations.

In the United States, catfish and trout, grown as food fishes, are by far the most popular aquaculture species. But other species are also commonly grown for food, including salmon, striped bass, and tilapia. Also, there is a small industry for alligators, frogs, turtles, egg seed stock, and ornamental fishes.

2.4 Give English equivalents:

Прудовое рыбоводство, по всему миру, религиозное и культурное значение, в среднем, доля аквакультуры, десятилетие, тем не менее, пресноводные виды рыб, промышленная и медицинская продукция.


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