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Deep-sea

Deep-sea
by

悠暉 岩田

on 3 June 2014

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Transcript of Deep-sea

Deep Sea
Chapter 1
Chapter 2
Let's enjoy
Chapter 3
Interesting!
Bathypelogic
Mesopelagic
Abyssopelagic
Hadopelagic
&
Today Presentation
Theme is ……
Deep Sea
1. Mesopelagic
2. Bothypelagic
3. Abyssopelagic
Hadopelagic

Messopelagic
200 - 1,000 m
Bothypelagic
1,000 - 4,000 m
4,000 - 6,000 m
6,000 ~ m
Abyssopelagic
Hadopelagic
Moe
Mari
Yuki
Ribbon Fish

A beautiful red ray
We sometimes see them in Japanese sea near TOYAMA prefecture in winter
"OIRAN"
in the ocean in Japan
It is said that the idea of mermaid in Japan (not in foreign countries) is from ribbonfish
Legend of Mermaid
Vampire Squid
Angler Fish
Three males live with a female.
They unify and male only have genital function.
  Size 13.7m long / 1.5m mouth
Swimming speed 5km
Foods - Small fish, seaweed, plankton
and egg of coral

Personalities- harmless & quiet
Teeth 300 to 350
The largest fish in the world
Too cowardly
But
Depth: 4,000 ~ 6000 m
It's near freezing temperature
Pressure -  76 megapascals    
Has about 3/4 of the ocean water
Salinity range -
34.6 ~ 35 parts per thousands

Abyssopelagic
Hadopelagic
Depth: 6,000 m ~ 
Trench
More hard environment
More pressure
Mostly unknown
Very few species
Hydrothermal vents



High pressure
Complete darkness
What images do you have about deep sea?
deep?
darkness?
mysterious?
Today, we want to talk about attractiveness of the deep sea
Are you interested?
Giant Squid
40 ~ 60 feet
average:
female
>
male
43 feet
33 feet
They have a Rival
Sperm Whale
Average sizes:
Length,Weight
Male: 16 m (52 ft), 41,000 kg
Female: 11 m (36 ft), 14,000 kg

First footage capturing a giant squid
Deep Sea
Light: only bioluminescent organisms.
Water temperature: 2-5 degree
Most of fishes` color: dark color or red color

     
"A live fossil"
Size:2m
Memo:No breeding season
Pregnancy-3.5 years
The second endangered species
Not dangerous for people


1. Kinds of The Fish

2. Water/ Environment
    


Mesopelagic

A sea squirt company
Size:10-15cm
Color:Translucent
Depth of sea:300-1000m
Food:Plankton

similar to Pakkun Flower
Viper Fish
1. High pressure
2. Low temperature
3. Darkness

~1000m
-Small amount of sunlight
Big eye
The red light
-More absorption than the
blue light

Under 10m-See blue sight



200m-1000m
Change temperature rapidly


Thermocline
300m-A layer of mixture


Seawater
-Mixed salt and other matter
Higher density than pure water
Seawater density
-salt density and temperature
are influence
300m-1000m
Pycnocline

Gray World

600m-
1000m

400m

200m

70m


Only 0.1% light
Cannot feel color
A limit

Oxygen minimum zone


70 m
200 m
400 m
600 m -
1000 m
Submersible
Elegant
Beautiful
Non pigment
Hinged jaws
Deep sea's Gangster
Fang
Photophore
Lure
Non pigment
Hinged jaws
Long fangs
Photophore
Flexible stomach
Small
Weak muscles
Slow moving

Features
To attract prey
To hold prey
Invisible to prey
To swallow big fish
Sucking Discs
Injured skin
Most creature
Eyeless
Transparent
Invertebrates
SHINKAI 6500
A maned submersible

System:
pressure full
manipulators
view ports
search light
Mission:
Ascertain movements in Earth's interior
Clarify evolution of living organisms
Utilize and conserve deep-sea organisms
Elucidate thermal and material cycles
can dive to depths of 6,500 meters
Thank you for listening
Full transcript