10 Questions
What is the category based on the purpose or function of aquaculture production systems?
Purpose or function
Which aquaculture production system involves the use of enclosures, pens, or cages in natural or man-made bodies of water?
Pen and Cage Aquaculture
What type of aquaculture production system involves water reconditioning, recirculation, and reuse?
Recirculating systems (RAS)
Which level of input/output and management involves the least intensive approach in aquaculture production systems?
Extensive
What specific application/species would be related to bottom or off-bottom culture, pole, rack, or long-line in aquaculture production systems?
Mollusks and seaweeds
What is the main difference between Pen and Cage Aquaculture?
Pen Aquaculture is built in shallow waters using bamboo poles, while Cage Aquaculture is built in deep waters using fiberglass, plastic, or steel.
What factors determine the size and type of pond in Pond Aquaculture?
Type of production, personal preference, and water supply
What is the main advantage of managing a large pond in terms of oxygen depletion?
Oxygen depletion is less likely due to better wind action
What is the primary purpose of Mariculture Parks?
To develop commercially important marine species for export
How is wave height (hw) estimated in Pond Aquaculture?
$hw = 1.86 \times W^{0.17} B^{0.24} H^{0.54}$
Study Notes
Categorization of Aquaculture Production Systems
- Based on purpose or function, aquaculture production systems can be categorized into extensive, semi-intensive, intensive, and super-intensive systems
Types of Aquaculture Production Systems
- Extensive systems involve the use of natural or man-made bodies of water with minimal human intervention
- Semi-intensive systems involve some human intervention, such as fertilization and predator control
- Intensive systems involve high levels of human intervention, including regular water exchange and feeding
- Super-intensive systems involve highly controlled environments with advanced technologies
Enclosed Aquaculture Systems
- Enclosed systems involve the use of enclosures, pens, or cages in natural or man-made bodies of water
- Examples include pen and cage aquaculture
Recirculating Aquaculture Systems (RAS)
- RAS involve water reconditioning, recirculation, and reuse to minimize water waste and reduce environmental impact
Levels of Input/Output and Management
- Extensive systems involve the least intensive approach, with minimal human intervention and low inputs
- Semi-intensive systems involve moderate levels of human intervention and inputs
- Intensive systems involve high levels of human intervention and high inputs
- Super-intensive systems involve highly controlled environments with advanced technologies and high inputs
Bottom or Off-Bottom Culture
- Bottom or off-bottom culture involves the use of pole, rack, or long-line systems in aquaculture production
Pen and Cage Aquaculture
- The main difference between pen and cage aquaculture is the size and shape of the enclosure
- Pens are typically larger than cages and may be used for larger species or for species that require more space
Pond Aquaculture
- The size and type of pond are determined by factors such as water availability, soil type, andspecies requirements
- A main advantage of managing a large pond is that it is less susceptible to oxygen depletion
Mariculture Parks
- The primary purpose of Mariculture Parks is to provide a controlled environment for marine species
Wave Height Estimation in Pond Aquaculture
- Wave height (hw) is estimated using formulas that take into account factors such as wind speed, pond size, and water depth
Test your knowledge of aquaculture production systems by selecting the appropriate categories for different purposes, culture conditions, and levels of input/output and management. Learn about the classifications based on water type, temperature, and levels of intensity.
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