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Photosynthetical production, intensive and extensive, fish culture, aquaculture systems, aquaculture, a labour intensive and a high risk bio-industry.Содержание книги
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1.11. Tell true or false: 1. Extensive adoption is a full complement of culture techniques. 2. Intensive adoption is based on local photosynthetical production. 3. Semi-intensive adoption is of high level technology. 4. The management of these kinds of aquaculture systems is the same. 5. Despite the fact that fish culture is an age-old practice in some regions of the world, it is relatively new as a significant industry in the most countries. 1.12. Explain the following aquatic terms: a) extensive adoption; b) intensive adoption; c) semi-intensive adoption; d) small scale rural aquaculture e) large scale vertically integrated aquaculture.
Step 2 Grammar Point (speaking-writing)
Choose the right form of the verb from the brackets.Explain your choice.
2.2. Choose the right verb-form from the brackets.Translate the sentences.
Traslate into Emglish. 1. Коли Ольга прийшла додому, ії сестра вже полила квіти. 2. Ми читали книжку, яку я купив у Києві. 3. Мій брат зателефонував, що він уже склав іспит з матаматики. 4. Він подякував мені, за те, що я зробив для нього. 5. Його батько почав працюват на заводі, коли йому було 20.
Step 3 Project Work Discussion. Production Phases (speaking-reading-speaking-writing) Read and translate text B. Pick up unknown words from the text, use the dictionary. Text B. Production phases There are several categories for production of aquaculture products: 1) food organisms, 2) bait industry, 3) aquaria trade-ornamental and feeder fish, 4) fee fishing, 5) pond and lake stockings, 6) biological supply houses. Regardless of the above mentioned categories, each of them involves some production phases: 1) securing and spawning of brood stock, 2) hatching of eggs, 3) growing fry to produce fingerlings, 4) stocking and grow-out of fingerlings to marketable size. Some farmers will perform all phases of production while others may specialize and skip one or more of the four phases of production. These farmers may, for example, produce only fingerlings to sell to farmers who will in turn grow those fish for market as food fish. The number of production levels chosen for an individual farm usually is based on: the size of the operation, expertise, amount of capital available to purchase specialized equipment and personal preference. Marketing is very important in the production of any type of aquaculture species. The aquaculturist may be faced with a serious obstacle without a well-thought-out marketing plan. 3.2. Enlist production phases in aquaculture farming: 1. 2. 3. 4. Write a plan to the text
Test 5 Choose the right answer:
Step 1 Fishing methods (Speaking-Reading- Speaking- Writing) 1.1. Read and pronounce correctly the following words: Trawlers, demersal, bycatch, turtles, purse-seine, pelagic, crustaceans, drawstring, biodiversity, whales, salmon, invertebrate, tunas, mackerels, anchovies.
1.2. Read correctly and try to guess the meaning: Commercial, dolphins, tunas, moratorium, genetic engineering, anchovies, sardines, migrate, mollusks, mackerels, lobster, carp. 1.3. Words for the text comprehension:
1.4. Read and translate text A. Describe the following fishing methods: a) trawler fishing, b) purse-seine fishing c) long-aiming fishing, d) drift-net fishing
Text A Fishing methods. The commercial fishing industry has developed a variety of methods in order to catch marine species. Trawlers are fishing boats that drag large nets across the ocean floor. These nets catch the desired fish, but they also damage ocean habitats and capture huge quantities of bycatch, unwanted species that have little commercial value. Bycatch include species such as dolphins, seals, sea turtles, and it amounts to almost one-third of total world catch each year. Purse-seine fishing is another method used by commercial fishermen. It is used mainly to catch large pelagic species such as tuna. The purse-seine net surrounds the fish and close like a drawstring in order to trap them. In the Pacific Ocean these nets have killed large numbers of dolphins, which often swim directly above the schools of tuna. The third method is long-lining, in which ships send out fishing lines up to eighty miles long. These lines are hug with thousands of bated hooks, and they sometimes catch dolphins, pilot whales, sea turtles and sea birds by accident. Finally, drift-net fishing used nets made of invisible filament mesh in order to catch and hold fish by their gills. These nets catch almost anything that comes in contact with them, resulting in the unwanted capture and sometimes death of marine mammals, turtles and seabirds. In 1993, the United Nations ordered a moratorium, or suspension, of large-scale drift-netting. This moratorium has significantly reduced the practice of drift-net fishing, but smaller drift-nets are still being used frequently in coastal waters. Aquaculture can be used to effectively remove pressure from overharvested fisheries and in doing so it can help to sustain marine biodiversity. Some other advantages of aquaculture include a high harvesting efficiency with no bycatch, a high yield of fish in a small volume of water, and the use of crossbreeding and genetic engineering in order to further increase yields. Comprehension Check-Up 1.5. Give Ukrainian equivalents to the following English words: Trawler, net, habitats, bycatch, pelagic, schools, turtle, filament, gills, crossbreeding. 1.6. Give English equivalents to the following Ukrainian words: Зграя, гачок, зябри, зменшення, черепаха, тюлень, прилов, розведення риби, гібрид, саджалка, тралер. 1.7. Match the words:
1.8. Answer the questions: 1. What has the commercial fishing industry developed? 2. Why has the commercial fishing industry developed a variety of methods? 3. What are trawlers? 4. How do the trawlers catch the desired fish? 5. Do the trawlers capture huge quantities of bycatch? 6. What is bycatch? 7. What is the other method to catch the marine species? 8. What method is used to catch large pelagic species? 9. How is the fish caught by the purse-seine fishing method? 10. What is the name of the third fishing method, when the fish is caught by the gills? 1.9. Make sentences from the given words: 1. Commercial raising, is, aquaculture, of, the, fish, shellfish, and, food, for. 2. Aquaculture, of, the, practice, growing, is, of, rate, at, a, 6%, about, per year. 3. Uses, fish, farming, environment, a, controlled. 4. Holds, fish, Fish ranching, captivity, in, first, for, few, years, the. 5. Sustain, help, can, biodiversity, marine, aquaculture, to. 1.10. Ask questions to the italicized words: 1. The commercial fishing industry has developed a variety of methods to catch marine species. 2. The nets catch the desired fish, but they also damage ocean habitats. 3. Bycatch include species such as dolphins, seals, sea turtles. 4. In the Pacific Ocean these nets have killed large numbers of dolphins. 5. In 1993 the United Nations ordered a moratorium of large-scale drift-netting. 1.11. Give definitions to the following items: 1. Fishing boat 2. Drawstring which trap the fish 3. Net made of invisible filament mesh 4. Ships send out fishing lines hug with thousands of bated hooks 5. Usage of controlled environment to breed and raise fish.
Step 2 Grammar Point (speaking-writing)
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