PODCAST · education
The Galapagos - for iPod/iPhone
by The Open University
The Galapagos Islands are famous for inspiring Charles Darwin to form his Theory of Evolution based on the biodiversity he'd observed there. This year marks the 150th anniversary of the publication of his "On the origin of species", and the unspoilt islands still fascinate researchers. Some of the plants and animals that live here are found nowhere else on Earth. Today that biodiversity is under threat from an increasing population, tourism and invasive non-native species. The video tracks on this album retraces Darwin's first steps on the Galapagos islands, looks at some of the species that fascinated him, and at how threats to the environment are being managed. It also follows the day-to-day research of two biological scientists - Beatrix Schramm, who tries to get a faecal sample from a Giant Tortoise to learn more about what triggers them to mate, and Martin Wikelski who studies marine iguanas and the problems they face as a result of their choice of food. In the audio track, Open
Episodes
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The Galapagos
A short introduction to this album.
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Darwin's Arrival on the Galapagos Islands
An Introduction to the Galapagos and Darwin's first experience on the islands on 8th October 1835.
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Finches on Galapagos
Darwin's study of the evolution of finches on the islands.
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Darwin's thoughts on the Marine Iguanas
How the iguanas have evolved as swimmers to eat seaweed.
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The Eradication of the Goats
Why 50,000 goats had to be culled due to their effect on the tortoise population
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Managing Tourism in the Galapagos Islands
A look at the Galapagos Islands' relationship with tourists and conservation.
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Eradicating the Red Quinine Plant
How the non-native red quinine plant is a nuisance in the Galapagos, and its eradication programme.
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Galapagos - research biology heaven
On the Galapagos, animals are unafraid of predators, so they're easy for scientists to observe
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Getting the nitty gritty on iguanas
As home to more than 10% of the world's iguanas, it's the best place for researchers to study them.
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First - catch your iguana
Setting up a laboratory to study the iguanas.
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Which tortoise dropped that?!
Collecting hormones from faeces for research into mating behaviour of the giant tortoise.
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Testing times
How to catch and measure the stamina and speed of a marine iguana, and how to get a blood sample from a Giant Tortoise
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What's that iguana eaten?
Analysing the contents of an iguana stomach .
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Using Ultrasound
Using an ultrasound recorder i to see the tortoise's eggs in their annual sexual cycle.
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Using radio transmitters
Using radio transmitters under the skin to understand iguana behaviour.
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Exploring the issues
Open University biologist David Robinson talks about his long relationship with the Galapagos Islands and explores some of the issues raised in the video tracks.
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The method of research into animals living on the Galapagos
The research process involved in the study of marine iguanas and giant tortoises in the Galapagos.
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ABOUT THIS SHOW
The Galapagos Islands are famous for inspiring Charles Darwin to form his Theory of Evolution based on the biodiversity he'd observed there. This year marks the 150th anniversary of the publication of his "On the origin of species", and the unspoilt islands still fascinate researchers. Some of the plants and animals that live here are found nowhere else on Earth. Today that biodiversity is under threat from an increasing population, tourism and invasive non-native species. The video tracks on this album retraces Darwin's first steps on the Galapagos islands, looks at some of the species that fascinated him, and at how threats to the environment are being managed. It also follows the day-to-day research of two biological scientists - Beatrix Schramm, who tries to get a faecal sample from a Giant Tortoise to learn more about what triggers them to mate, and Martin Wikelski who studies marine iguanas and the problems they face as a result of their choice of food. In the audio track, Open
HOSTED BY
The Open University
CATEGORIES
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