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Natural Allies
- Available as
- Online
- Summary
-
Have Earth's vibrant waterways-its streams, rivers, lakes, and oceans-become delivery systems for pollutants and poison? This program points to signs that toxic substances are overwhelming our plan...
Have Earth's vibrant waterways-its streams, rivers, lakes, and oceans-become delivery systems for pollutants and poison? This program points to signs that toxic substances are overwhelming our planet's aquatic ecosystems. Viewers encounter many of the causes for this concern, including a radical decrease in frog populations, distressed marine mammals in estuary habitats, and disturbing changes in reef biodiversity.
Details
- Creator
- National Geographic Television & Film
- Format
- Videos, Slides, Films
- Language
- English
- Contributors
- Publication
-
- New York, N.Y. : Films Media Group, [2010], c2004
- Series
- Physical Details
-
- 1 streaming video file (54 min.) : sd., col., digital file
- digital
- data file
- ISBNs
- 9781616164911
- OCLC
- ocn712802930
- Access requires authentication through Films on Demand.
- Encoded with permission for digital streaming by Films Media Group on Aug. 10, 2010.
- Films on Demand is distributed by Films Media Group for Films for the Humanities & Sciences, Cambridge Educational, Meridian Education, and Shopware.
- Mode of access: Internet.
- System requirements: FOD playback platform.
- Unhealthy Waters (3:04) -- Disappearing Frogs (2:47) -- Herbicides and Amphibian Populations (4:04) -- Synthetic Chemical Harms Animals (3:17) -- From Marshes to Rivers (5:24) -- Chemical Mixtures (3:33) -- Threat to Human Animals (3:57) -- Toxic Chemicals in Tap Water (2:23) -- Plants as Natural Allies Against Toxins (6:54) -- Toxic Farm Run-Off (1:42) -- Danger to Great Barrier Reef (5:21) -- Natural Solutions to Chemical Problems (3:02) -- Ocean Fish and Toxins from Land (6:45)
Subjects
- Biosphere.
- Biotic communities.
- Conservation of natural resources -- Waste disposal.
- Ecosystem management.
- Human ecology.
- Hydrology.
- Land use -- Environmental aspects.
- Landforms.
- Natural resources.
- Nature -- Effect of human beings on.
- Physical geography.
- Refuse and refuse disposal.
- Toxicology.
- Water -- Environmental aspects.
- Water -- Pollution.