Effects of deforestation and riparian buffers on lotic communities in Southeastern Costa Rica : implications for biodiversity conservation in tropical streams
Por: Lorion, Christopher M
| CATIE - Centro Agronómico Tropical de Investigación y Enseñanza Turrialba, Costa Rica.
Editor: Turrialba, Costa Rica CATIE 2007Descripción: 132 páginas : ilustraciones, tablas.Tema(s): DEFORESTACION | ZONAS RIPICOLAS | BIODIVERSIDAD | CONSERVACION DE LA NATURALEZA | ZONA TROPICAL | COSTA RICA | DEFORESTATION | RIPARIAN ZONES | BIODIVERSITY | NATURE CONSERVATION | TROPICAL ZONES | COSTA RICARecursos en línea: esp Nota de disertación: Tesis (Ph. D.) -- CATIE, Turrialba (Costa Rica), 2007 Resumen: To examine the effects of deforestation on stream communities in southeastern Costa Rica and test the hypothesis that riparian forest buffers can reduce these effects, comparisons were made between forested stream reaches and stream reaches adjacent to pasture with and without a riparian forest buffer. Based on these comparisons, deforestation appeared to significantly alter the diversity and taxonomic composition of fish and benthic macroinvertebrate assemblages in the study streams, as well as stream temperatures and allochthonous inputs. A critical evaluation of existing planning methods illustrates how incorporating linkages among ecosystems increases planning complexity. Several of the methods reviewed would be applicable to an example planning domain in Costa Rica and Panama, but new tools will be needed to realize the full potential of a comprehensive planning approach.
| Tipo de ítem | Ubicación actual | Colección | Signatura | Estado | Fecha de vencimiento | Código de barras |
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Tesis
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Biblioteca Conmemorativa Orton | Colección de Tesis | Thesis L874 (Navegar estantería) | Disponible | 108904 c.2 | |
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Tesis
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Biblioteca Conmemorativa Orton | Colección de Tesis | Thesis L874 (Navegar estantería) | Disponible | 108903 |
16 ilus. 15 tab. Bib.
Tesis (Ph. D.) -- CATIE, Turrialba (Costa Rica), 2007
Incluye 64 referencias bibliográficas en las páginas 90-95
To examine the effects of deforestation on stream communities in southeastern Costa Rica and test the hypothesis that riparian forest buffers can reduce these effects, comparisons were made between forested stream reaches and stream reaches adjacent to pasture with and without a riparian forest buffer. Based on these comparisons, deforestation appeared to significantly alter the diversity and taxonomic composition of fish and benthic macroinvertebrate assemblages in the study streams, as well as stream temperatures and allochthonous inputs. A critical evaluation of existing planning methods illustrates how incorporating linkages among ecosystems increases planning complexity. Several of the methods reviewed would be applicable to an example planning domain in Costa Rica and Panama, but new tools will be needed to realize the full potential of a comprehensive planning approach.
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