GEAR
This is a small water vessel commonly used to move around a sea farm.
Skiff
Where did aquaculture begin over 4000 years ago?
China
How many native species of oyster are there in the US?
2
This is the most common system for finfish like salmon.
Cage system (net pen)
Maine is the largest producer of which aquaculture crop in the US?
Seaweed
This is used to hold buoys and other boundary markers and floating equipment in place.
Mooring
The first aquaculture lease in Maine was for what species?
Blue mussels
Some phytoplankton can produce ___ that cause shellfish poisoning.
biotoxins
Pond systems are generally how deep?
1 meter
How many species of oyster are farmed in the US?
5
This is a system/tool used to grow shellfish spat and ensure even nutrient dispersal.
Upweller
Aquaculture (fish farms) became widespread in Europe during the Middle Ages. Where were these first farms located?
Monasteries
Some invasive species arrive to a new environment microscopically when ships release _____ water.
Ballast
In Maine, scallops are usually grown vertically in _________.
Lantern nets
In Maine, buoys marking sea farm boundaries for lease sites are permitted to be located ____ft from the mooring location.
30-50ft
This is a tool commonly used to measure salinity.
Refractometer
In what year was the first aquaculture lease in Maine granted?
1975
Regularly harvesting farmed oysters can reduce ____ in the local wild population.
Disease load
This is a common system for growing fish indoors, and is known for being efficient, but expensive.
Recirculating system
Leases in Maine can be held for up to ___ years.
20
Buoys on marine farms in Maine are required to have "Sea Farm" and one other piece of information clearly printed on them. What is that other piece of information?
Site number
Craig Brook Fish Hatchery was the first hatchery in Maine. In what year did it open?
1871
At 90oF, the population of Vibrio bacteria in an oyster can double after this amount of time.
1 hour
Mussels and clams are commonly grown on vertical lines or seeded directly where?
On the sea floor.
From 2013-2018, the number of oyster farms in the US grew by _____%.
86%