Aquatic weed problems and management in South and Central America
Abstract South and Central America, with a rapidly growing human population currently around 400 million, extends from latitude 20°N to 56°S and is 8 000 km in length and 5 000 km at its widest point. The altitude ranges from sea level to 7 000 m in the highest mountains. Over such a vast expanse of...
| Main Authors: | , , , , |
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| Format: | Book Part |
| Language: | English |
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Oxford University PressOxford
1990
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| Subjects: | |
| Online Access: | http://dx.doi.org/10.1093/oso/9780198541813.003.0020 https://academic.oup.com/book/54363/chapter/422515864 |
| Summary: | Abstract South and Central America, with a rapidly growing human population currently around 400 million, extends from latitude 20°N to 56°S and is 8 000 km in length and 5 000 km at its widest point. The altitude ranges from sea level to 7 000 m in the highest mountains. Over such a vast expanse of territory the variation in vertical and horizontal bio-geographical zones is, therefore, of extraordinary magnitude, ranging from tropical rain forests to deserts such as that of Puna de Atacama, temperate zones like the Pampas, and the cold sub-antarctic regions. An enormous number of aquatic plant species occurs in natural bodies of water with the majority of these being native and generally not regarded as troublesome. However, when they start to invade bodies of water constructed, or used, by man, they become not only troublesome but also at times harmful. |
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