guía práctica de experimentos para - Ecologia e Gestão Ambiental
guía práctica de experimentos para - Ecologia e Gestão Ambiental
guía práctica de experimentos para - Ecologia e Gestão Ambiental
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GUÍA DE EXPERIMENTOS PRÁCTICOS PARA ECOHIDROLOGÍA<br />
Figura 5. A Síntesis - la influencia <strong>de</strong> inundaciones ribereñas en peces, zooplancton, y en la calidad <strong>de</strong>l<br />
agua (datos <strong>de</strong> Zalewski et al. 1990a, 1990b).<br />
FIGURE 1 TRASLATION:<br />
WATER LEVEL LOW AND UNSTABLE WATER LEVEL HIGH AND STABLE<br />
terrestrial vegetation dry<br />
terrestrial vegetation floo<strong>de</strong>d<br />
HIGH FISH REPRODUCTIVE SUCCESS VERY HIGH<br />
- fry <strong>de</strong>nsity<br />
LOW<br />
INTER- AND INTRASPECIFIC<br />
COMPETITION<br />
- reduction of large zooplankters<br />
VERY HIGH<br />
HIGH<br />
HIGH<br />
HIGH<br />
GOOD<br />
HIGH<br />
GROWTH RATE OF FRY<br />
WINTER SURVIVAL OF FRY<br />
RECRUITMENT OF PREDATORS<br />
long-term feedback control<br />
mechanism of ecosystem<br />
FINAL EFFECT<br />
WATER QUALITY<br />
FISH YIELD<br />
-Perch fry <strong>de</strong>nsity in litoral: Densidad <strong>de</strong> las crías <strong>de</strong> Perca en el litoral<br />
-Area stability In<strong>de</strong>x: Índice <strong>de</strong> estabilidad <strong>de</strong> la zona<br />
-Months: Meses (MAMJJASOND)<br />
-Perch Growth Rate: Proporción <strong>de</strong> Crecimiento <strong>de</strong> las Percas<br />
-Pikeperch Lenght: Longitud <strong>de</strong> las luciopercas<br />
-Distance from <strong>de</strong> dam: Distancia <strong>de</strong>s<strong>de</strong> el embalse<br />
-Piscivorous / non-piscivorous: Piscívoros / no piscívoros<br />
-Depen<strong>de</strong>nce on perch reproductive success....<br />
VERY LOW<br />
VERY LOW<br />
VERY LOW<br />
POOR<br />
LOW<br />
Depen<strong>de</strong>ncia <strong>de</strong>l éxito reproductivo <strong>de</strong> las percas (<strong>de</strong>nsidad <strong>de</strong> las crías en la zona litoral a<br />
mediados <strong>de</strong> Julio) en la estabilidad <strong>de</strong>l nivel <strong>de</strong>l agua<br />
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