2615096
Descrição
Mapa Mental por maimoona.ahmed5, atualizado more than 1 year ago
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Criado por maimoona.ahmed5
mais de 9 anos atrás
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Arctic Whales Species
- General Information
- There are 3 types of
whales that stay in the
arctic all year round
- Narwhals
(Monodon
monoceros)
- Belugas
(Delphinapterus
leucas)
- Bowhead whales
(Balaena mysticetus)
- Narwhals
(Monodon
monoceros)
- Taxonomy
(Beluga)
- Kingdom:Animalia
Phylum:Chordata
Class:Mammalia
Order:Cetacea
Family:Monodontidae
Genus:Delphinapterus
Species:leucas
- Kingdom:Animalia
Phylum:Chordata
Class:Mammalia
Order:Cetacea
Family:Monodontidae
Genus:Delphinapterus
Species:leucas
- Unifying Characteristics
- All are mammals
- Flippers and
horizontal flukes
allow them to propel
through water
- blubber serves as an energy
source and keeps them warm
- small eyes to endure great
pressure of oceans
- Exceptional hearing
through vibrations
- All are mammals
- There are 3 types of
whales that stay in the
arctic all year round
- Current Status
- 17 different arctic
whale species
- Includes dolphins
and porpoises
- Includes dolphins
and porpoises
- Ecosystems arctic
whales inhabit
- Beluga habitats include: inlets,
fjords, channels, bays and
shallow waters of the arctic sea
- Narwhal habitats included:
deep bays and fjords.
- Largest narwhal population can be
found in the deep inlets, sounds and
channels of the Canadian Arctic and
North-west Greenlanf
- Largest narwhal population can be
found in the deep inlets, sounds and
channels of the Canadian Arctic and
North-west Greenlanf
- Bowhead whale habitats
include: colder water of the
northern hemisphere.
- Follow receding ice drifts
- Can be found in bays, straits
and estuaries in the summer
- Follow receding ice drifts
- Beluga habitats include: inlets,
fjords, channels, bays and
shallow waters of the arctic sea
- 17 different arctic
whale species
- Threats
- Diminished sea ice
- Decreasing sea
ice cover means
more commercial
shipping and oil,
gas and mining
exploration
- Decreasing sea
ice cover means
more commercial
shipping and oil,
gas and mining
exploration
- Industrial Development
- 60% of of the
habitats of arctic
whales overlaps with
gas and oil, and
shipping
- Increase of collisions
between ships and
whales
- 60% of of the
habitats of arctic
whales overlaps with
gas and oil, and
shipping
- Harvest for
skin/leather
- Skin thick
enough to be
used for leather
- Skin thick
enough to be
used for leather
- unclear to what
extent whales will
be able to adapt
to changes like climate change
- Diminished sea ice
- Conservation
- Conservation Plan
for the Cook Inlet
beluga whales
- Appointed Cook Inlet
beluga whales as depleted
under the Marine Mammal
Protection Act
- Took immediate action to
execute rulemaking to
controlthe harvest of beluga
whales
- Took immediate action to
execute rulemaking to
controlthe harvest of beluga
whales
- This is effective
however it will take until
2038 to reach it's goal
- Goal: Minimum pop. of 780
animals before the Cook Inlet
stock is no longer considered
depleted
- Appointed Cook Inlet
beluga whales as depleted
under the Marine Mammal
Protection Act
- WWF
- Plan ship
traffic lanes
and ship speed
restrictions
- close important areas
such as places where
calves rest and feed
- Strictly control loud
underwater noices
- Plan ship
traffic lanes
and ship speed
restrictions
- What can you do?
- Maintainable
whale
watching
- Promotes
conservation
- Promotes
conservation
- Maintainable
whale
watching
- Conservation Plan
for the Cook Inlet
beluga whales
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