Fishing and aquaculture quiz - Environmental Science

Salmon and Trout are species often used in the Northern Hemisphere for aquaculture. Which word below best describes them?

• Herbivores

• Omnivores

• Carnivores

Which of the following are demersal forms of fishing? Multiple boxes needed

• Long line

• Dredging

• Purse seining

• Paired trawl

Which abiotic factors are actively controlled in coastal aquaculture systems? Multiple boxes needed

• Oxygen levels

• Salinity

• Temperature

• Light

Which acronym refers the maximum number of organisms a habitat can support?

• MCC

• MSY

• MNR

• MPA

The photic layer of the open ocean is the area with the greatest amount of?

• Nutrients

• Oxygen

• Light

• Carbon dioxide

Which of the following are methods to reduce bycatch? Multiple boxes needed

• Turtle Escape panels

• Nets with diamond shaped holes

• Dolphin pingers

• Hooks with rounded ends

• Nets with larger holes

Which methods are used to reduce fish lice infestations in aquaculture systems? Multiple boxes needed

• Pesticides

• Fertilisers

• Antibiotics

• Biological control

Which of the following is an r-selected species?

• Mackerel

• Greenland Shark

• Orange Roughy

Excess food or faeces in an aquaculture system can lead localised what?

• Biomagnification

• Eutrophication

• Bioaccumulation

• Resistance

Overfishing of sand eels for fishmeal production in aquaculture systems has led to the decline of which bird species?

• Emperor Penguin

• Osprey

• Albatross

• Puffin