Threatened oceans
Explores the vital importance of ocean ecosystems and resources and focuses on how fishing, dumping, oil spills, and other human influences endanger the marine environment.
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
Facts on File
c1991.
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| Cyfres: | Our fragile planet
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| Pynciau: |