Marine Biomes
The coast of california is an example of this area
Intertidal Zone
Almost half of the global photosynthesis occurs in the ocean. Who/what is doing most of the photosynthesis?
Phytoplankton
The light layer
Euphotic Zone
What is the difference between commercial fishing & aquaculture?
Commercial Fish: Mass fishing
Aquaculture: Growing of fish
Commercial fishing gives people the opportunity to use less effort and get more _________.
Fish
What are 2 things that distinguish Marine water and Freshwater
Salinity/Salt Concentrations & Percent of Earth's makeup/Distribusion
What is good for high productivity?
Thin thermocline
Strong wind
Strong upwelling
Light does not penetrate this layer
Aphotic Zone
Who in a community might think that aquaculture is a good thing and who in a community might think it is a bad thing?
Answers vary - Ms. Siegert's discretion hee hee haaaa haaaa!
Those who make fishing policies should consider profitability and fish populations, but they should also consider....
Social implications:
Jobs
Community Identity
Name one adaptation that organisms living in intertidal zones aquired
Tolerate a range of water/air levels
Attach to base/substrate - Anchor themselves to surfaces
The thin layer in water where temperature changes very quickly.
Thermocline
This layer contains the most biomass in the ocean.
Photic Zone
What percent livelihoods in the world are supported by commercial fishing?
10-20%
If you are above/over the Max Sustainable are you in danger of overfishing or not?
Yup! They should stop fishin'
What is primary productivity?
The rate at which sunlight is converted into organic compounds through protosynthesis.
What conditions are bad for productivity?
M. S will explain
At what depth does the Euphotic layer AND the Aphotic layer begin
Euphotic - 200m
Aphotic - 800m
Name 2 pros aquaculture.
Answers vary - Ms. Siegert's discretion hee hee ha ha
______ ____________ ____________ is the point at where the fish growth rate naturally peaks, providing high fish yields for many fishing companies, without affecting the long-term health of the fish populations.
Max Sustainable Yield
Describe what Net Primary Productivity is.
Gross Primary Prod. - cellular respiration = Net Primary Prod.
Glucose/energy produced during photosynthesis - glucose used by cells (so things function) = left-over glucose
What causes upwelling? Explain in full
Ms. S will explain
List all the layers in order! including Photic layer special exception
Ms. S will explain
Name 3 cons of aquaculture.
Answers vary - Ms. Siegert's discretion hee hee ha ha
____ __________ _______ is the point at which one fishing company would make the maximum profits because it has the largest
Max Economic Yield