DolphinSafe Tuna - PowerPoint PPT Presentation
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DolphinSafe Tuna
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Lashed tail and fin. Across the screen. Of blue horizon ... A dolphin is a smaller version of a whale. A dolphin can swim as fast as 20-25 miles per hour. ... – PowerPoint PPT presentation
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Title: DolphinSafe Tuna
1
Dolphin-Safe Tuna
- Is it really safe for the dolphins?
2
Dolphins
- Happy, they leap
- Out of the surface
- Of waves reflecting
- The sun fragmented
- To broken glass
- By the stiff breeze
- Across the bows.
- Curving, they draw
- Curlicues
- And serifs with
- Lashed tail and fin
- Across the screen
- Of blue horizon-
- Images
- Of their delight
- Outside, displaying
- My heart within.
- Across this dazzling
- Mediterranean
- August morning
- The dolphins write such
- Ideograms
- With power to wake
- Me prisoned in
- My human speech
- They sigh I AM!
- -Stephen Spender
3
Dolphin Facts
- Did You Know
- A dolphin is a smaller version of a whale.
- A dolphin can swim as fast as 20-25 miles per
hour. - A dolphin sleeps while drifting or swimming
slowly at the surface.
4
Dolphins meet Humans
- Dolphins have shown a considerable ability to
learn. - They talk to each other in high, sharp squeaks.
- Humans have been known to talk to dolphins using
simple hand gestures in order to make them do
flips.
5
Dolphins and Tuna
- Dolphins tend to swim with schools of tuna.
- Fishermen use the surface disturbance caused by
the dolphins to locate the tuna. - The dolphins then get caught in the nets and wind
up dying because they can not get out to get
oxygen at the surface.
6
Dolphin-Safe Tuna Issues
- Since 1959, it is estimated that over 6 million
dolphins have died in tuna nets. - The dolphin-safe label that is on cans of tuna is
supposed to means that the tuna in those cans was
not caught using methods that chase, harass,
encircle, or harm dolphins. - Tuna Fisheries have have found ways to get around
this and are still killing dolphins, however, so
there are small controversies arising over the
validity of this label.
7
Dolphin-Safe Tuna??
- Points to Ponder
- Do the labels really mean what they say?
- Are all methods of tuna fishing really safe for
dolphins? - What does legislation have to do with this?
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