Ocean resources Flashcards

1
Q

what did truman do

A

1954, extended US control of marine resources

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what happened in geneva

A

1958/60, said nations who owned nearest land owns resources/bed, made treaties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

exclusive economic zone

A

extend 200 nautical miles or if bigger then to end of continental shelf

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

how much ocean do they have

A

40%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

where are they

A

around countries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what happened at UN convention

A

1982, coastal nations manag territorial waters, extend 12 nautical miles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

hydrocarbons

A

hydrogen/carbon, oil/gas, from sediments containing dead organisms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

oil/gas

A

first oil then turned to methane, oil/gas is moved by pressure up rock to porous rock then moves to less dense rock where its stored in impermeable layer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what rock is oil/gas stored in

A

sandstone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

how to detect oil/gas

A

seismic reflection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

gas hydrates

A

frozen water molecules trap methane and store it in poles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

sand/gravel

A

high energy environments, buildings, collecting materials can disturb ecosystems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

manganese nodules

A

iron oxide/manganese, can be copper/cobalt/nickel, tropics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

cobalt

A

found on seamount islands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

phosporus

A

from decaying organisms, needed for growth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

where’s phosphorus found

A

submarine terraces

17
Q

fish

A

found in upwelling areas, lots or nutrients, caught by sonar/satellites

18
Q

fish types

A

pelagic (water column), ground (bottom)

19
Q

UN convention

A

1989, said nets larger than 2.5km aren’t allowed but hard to enforce

20
Q

mariculture

A

breed things larger to get more food, salmon/oysters, need to be disease resistant