1. The Great Rift: Footprints in the Valley
1989/10/08 · 53 分
The area's evolutionary roots opens this look at the African valley.
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2. The Great Rift: Out of the Ashes
1989/10/15 · 53 分
The wildlife that lives on the Great Rift's ash plains.
3. The Great Rift: Breaking the Continent
1989/10/22 · 53 分
Examines the Red Sea, the island of Madagascar and East Africa.
4. Under the Ice
1989/10/29 · 53 分
Soft coral, sponges, tubeworms, anemones and giant cod adapt to life in Antarctica's subzero waters.
5. Land of Dragons
1989/11/12 · 53 分
Profiles the wildlife living within the British crown colony of Hong Kong
6. The Great Wood of Caledon
1989/11/19 · 53 分
An exploration of the Caledonian forest in Scotland, Britain's largest remaining area of ancient woodland.
9. Gran Paradiso
1990/01/07 · 53 分
Resource management in Italy's alpine Gran Paradiso National Park has consequences beyond the parks boundaries.
10. Cranes of the Grey Wind
1990/01/21 · 53 分
Scientists study sandhill cranes on Nebraskan plains, Alaskan and Siberian coasts and in the Northwest Territories.
11. King Solomon's Mountains
1990/02/04 · 53 分
The forests and waters of Ethiopia's Bale Mountains, may one day renew the country's depleted landscape.
13. A Wolf in the Fold
1990/02/18 · 53 分
The relationship between working sheepdogs and flocks of sheep. Selective breeding yields a sheepdog with outstanding abilities to tend the creature other canines prey upon.
15. The Emerald Isle
1990/03/11 · 53 分
Thousands of years of human settlement provide the backdrop by which to discover the wildlife of Ireland.
16. Giant Otters
1990/03/18 · 53 分
The fur trade continues to threaten the South American otter with extinction, despite its status as an endangered species.
17. The Haida Gwai: Islands of the People
1990/03/25 · 53 分
Profiles the Haida Indians who live on British Columbia's Queen Charlotte Island.
18. Presque Isle: Land in Motion
1990/04/01 · 53 分
An exploration of the environmental impact of man's attempts to halt the erosion of Presque Isle beaches.
19. Yellowstone on Fire
1990/04/08 · 53 分
The effect of the 1988 fire on the ecosystem of Yellowstone National Park.
20. Serpents
1990/04/15 · 53 分
A natural history of the snake includes its significance to man as a symbol of fertility, immortality and death.
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