| 000 | 01112nam a22002417a 4500 | ||
|---|---|---|---|
| 999 |
_c5412 _d5412 |
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| 001 | GENERAL-000509 | ||
| 003 | EC-OLADE-CDD | ||
| 005 | 20161012163147.0 | ||
| 008 | 160705b xxu||||| |||| 00| 0 spa d | ||
| 040 |
_aOLADE-CDD _cOLADE-CDD |
||
| 041 | _aeng | ||
| 082 |
_a333.7 _bV248 |
||
| 100 | _aVan Dyne, George M. | ||
| 245 | _aThe ecosystem concept in natural resources management | ||
| 260 |
_aLondon: _bAcademic Press. Inc., _c1969 |
||
| 300 |
_a383 p. _bilustraciones., cuadros. |
||
| 504 | _a0405 | ||
| 505 | _aThe meaning, origin and importance of ecosystem concepts. The natural resource ecosystem. Historical development of the ecosystem concept. Examples of research development and research results. Applying ecosistem concepts. Procedures for study of grassland ecosystems. The watershed- ecosystem concept and studies of nutrient cycles. A study of an ecosystem: the arctic tundra. Range management viewed in the ecosystem framework. Instilling the ecosystem concept in training. | ||
| 650 | _aEcosistemas | ||
| 650 | _aMedio Ambiente | ||
| 650 | _aRecursos Naturales | ||
| 942 |
_2ddc _cBK |
||