Geoduck/Abalone Flashcards
scientific name for geoduck, what does it mean?
Panopeo abrupta,
dig deep
what is the oldest age for a geoduck?
168years
geographic range of geoduck?
Alaska-California
Siberia-Japan
geoduck habitat?
Gravel, sand, silt, mud
low intertidal to a depth of 110m or more
when does spawning occur for geoduck?
june/july
at what age do geoduck become sexually mature?
when do they recruit to a fishery?
2-3years
4years
what are geoduck’s predators?
sea otters
dogfish
sea stars/crab nip
humans
what is the geoduck fishery based on?
how many licenses are there?
bed area management
55
when did the geoduck fishery begin?
How many years is the rotation for this fishery?
1976
3 years
same some sustainable practices for the geoduck fishery
- target exploitation
- method of harvest
- no harvest zones
name public concerns for geoduck aquaculture
- lack of regulation
- aesthetics
- effects on native populations
- farm debris
- densities of geoducks
- carrying capacity of low flushing inlets
- over-enrichment of sediments
- permanent conversion of natural ecosystem to intensive commercial agriculture use
- impacts on wildlife
- intensive farming/harvest techniques
- near shore habitat destruction
Scientific name for Abalone
Haliotis kamtschatkana
how do you determine if an abalone is male or female?
males are orange, females are green
what do abalone eat?
Nereocystis (bull kelp)
Macrocystis (giant kelp)
Benthic diatoms
how long does it take abalone to reach sexual maturity?
3 years
