2015-02-14
823
1. Speak about use of seaweeds in our life.
Match the words of column A and the words of column B
| A | B |
| culture | feeds |
| natural | breeding |
| suitable | temperature |
| dissolved | water quality |
| water | system |
| genetic | water body |
| captive | oxygen and ammonia |
| brood | selection |
| prepared | stock |
Match the words with their definitions.
| 1) brood stock | a) managed aquaculture controlled through human engineered means, such as managing water quality and sources of food. |
| 2) hatchery | b) managed aquaculture dependent on the local natural setting, such as a pond or coastal sea area. |
| 3) extensive aquaculture | c) fish of any particular species which are raised for reproduction purposes. |
| 4) intensive aquaculture | d) The aquaculture production stage in which crop organism hatches from eggs and grows to stocking size. |
Answer the questions
1. What may control over the species include?
2. What is important for suitable water quality?
3. What does successful aquaculture depend on?
4. What are reared species usually fed with?
UNIT 2
FISH CULTURE
Active vocabulary
| to fertilize | удобрять |
| waste | отходы |
| to feed on | питаться |
| vegetation | растительность |
| pellet | гранула |
| density | плотность |
| ration | рацион |
| to spawn | нереститься |
| milt | семенники |
| strip | выдавливать икру или молоки |
| nursery pond | садок для молоди рыб |
| mill | молоки |
| brood | потомство, выводок, помет |
| plankton bloom | цветение планктона |
| fingerlings | малек, сеголеток |
| fry | малек |
| bioassay | биологические пробы |
THE BIG TWO IN FISH CULTURE
|
|
|
Read the following international words and translate them. (Mind the part of speech).
Groups, culture, production, system, organic, phytoplankton, zooplankton, diets, combination, ration, hormones, technology, group, tropical, subtropical, temperature, climates, culture, tropics, popular, commercial.
