Bio EC 2 - to whales Upwelling and diatoms being two things...

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Matt Tsurumoto Fautley Bio T/Th 9am-10:30am 11:15am-2:15pm Thur. Lab 8 May 2006 Biology in the Community Daniel Costa: Tagging of Pacific Pelagics Daniel Costa was an entertaining yet knowledgeable speaker, referring to tracking devices on seals as “electronic yamakas.” As the head project representative, Costa explained that the purpose of tagging marine life was to get a census of what was, is and will be in the ocean. This includes: how many of each specie, what part of the ocean they live in and what part of the ocean they migrate to and why. During the lecture a number of interesting facts came upon me. In a study his team did, they formed a relation known as the “wind to whales.” This relationship connected wind to upwelling to diatoms to krill
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Unformatted text preview: to whales. Upwelling and diatoms being two things we’ve learned about in class clearly illustrated their model along with an increase in whales when there were high winds. Costa also proposed the question “how do you catch fast animals?” Catching or sedating the animal was not possible for an animal the size of a killer whale so they began to tag them by using a dartgun with a small transmitter attached to it. When Costa began his research, they would have to obtain the animals’ transmitter and collect the data, often having the transmitter lost or damaged. He was grateful that with today’s technology they could obtain the information instantly by satellite, tracking their position, speed, water temperature, and hunting patterns....
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Bio EC 2 - to whales Upwelling and diatoms being two things...

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