In Yellowstone National park Robert Crabtree and his team of scientists seek to untangle the cascading effects in the ecosystem when the top predator the wolf is removed and years later returned to the park. By looking at the delicate balance between different species, both scientists hope to learn how to manage and preserve these ecosystems and others worldwide. In panama, on Barro Colorado island an ecological preserve created through the making of the panama canal, Stuart Davies hopes to uncover some of the mysteries of a complex ecosystem the rainforest. Man im the director of the center for Tropical Forest science, which is a group who study the rainforests of the world. And we Work Together as one very Large Network to try to understand how rainforests function and how theyre gonna change in the future. Narrator tropical rainforests are believed to be the oldest terrestrial ecosystems on earth. They are home to over 5 million known species of plants, animals, and insects, with mi
Through a worldwide tree census, he hopes to discover how such a wide range of species all competing for the same resources can coexist. In Yellowstone National park Robert Crabtree and his team of scientists seek to untangle the cascading effects in the ecosystem when the top predator the wolf is removed and years later returned to the park. By looking at the delicate balance between different species, both scientists hope to learn how to manage and preserve these ecosystems and others worldwide. In panama, on Barro Colorado island an ecological preserve created through the making of the panama canal, Stuart Davies hopes to uncover somef the mysteries of a complex ecosystem the rainforest. Man im the director of the center for Tropical Forest science, which is a group who study the rainforests of the world. And we Work Together as one very Large Network to try to understand how rainforests function and how theyre gonna change in the future. Narrator tropical rainforests are believed t
Boswell is supposed to have said to dr. Johnson im greatly affected by music. Some music will make me weep. Some music will make me feel so brav i could march into the thick of a battle and not be scared of anything. Johnson says dryly if anything could make me act so foolish, i would not have anything to do with it. [low hum and sticks clacking] [cultural music montage] man music has got an incredible power, presence. You know, sound is something that you cant escape when youre in its presence. [chanting and drumming] with music theres no looking away. [spirited clarinet and guitar playing] that is part of the power of music. When youre near it, theres no escape. It can focus your attention on a particular ceremony for example. It can act as a kind of social glue that helps a ceremony to go on over the course of several days. It keeps peoples attention focused. Music can be used in a work situation. You can find examples of that in africa where people are working in a field. Lets say
All competing for the same resources can coexist. In Yellowstone National park Robert Crabtree and his team of scientists seek to untangle the cascading effects in the ecosystem when the top predator the wolf is removed and years later returned to the park. By looking at the delicate balance between different species, both scientists hope to learn how to manage and preserve these ecosystems and others worldwide. In panama, on Barro Colorado island an ecological preserve created through the making of the panama canal, Stuart Davies hopes to uncover some of the mysteries of a complex ecosystem the rainforest. Man im the director of the center for Tropical Forest science, which is a group who study the rainforests of the world. And we Work Together as one very Large Network to try to understand how rainforests function and how theyre gonna change in the future. Narrator tropical rainforests are believed to be the oldest terrestrial ecosystems on earth. They are home to over 5 million know
Each one dependent upon another. Stuart dies investat the worlds most diverse ecosystem tropical rainforests. Through a worldwide tree census, he hopes to discover how such a wide range of speci all competing for the same resources can coexist. In Yellowstone National park, Robert Crabtree and his team of scientists seek to untangle the cascading effects in the ecosystem when the top predator the wolf is removed and years later returned to the park. By looking at the delicate balance between different species, both scientists hope to learn how to manage and preserve these ecosystems and others worldwide. In panama, on Barro Colorado island, an ecological preserve created through the making of the panama canal, Stuart Davies hopes to uncover somef the mysteries of a complex ecosystem the rainforest. Man im the director of the center for Tropical Forest science, which is a group who study the rainforests of the world. And we Work Together as one very Large Network to try to understand ho