Population Viability Analysis of Captive and Released Bearded Vulture Populations

摘要: With the computer program VORTEX I ran a series of simulations Bearded Vulture (Gypaetus barbatus) population held in captivity European zoos and released Alps. The showed that risk extinction captive with extraction rates currently use is low. It seems possible to maintain current release rate two fledglings per year at each four sites Alps, but it does not seem increase by expanding project other mountains without dangerously depleting population. models most effective way increasing size improving hatching success captivity. information on demographic parameters Alps was good enough predict ultimate fate present or allow for recommendations how long should continue be supplemented. Although will necessary wait some years see if Vultures are able breed wild estimate fecundity rates, improve monitoring individuals obtain more-precise survival estimates. also least have an artificially supplemented because this goal reintroduction project, organizations involved decide whether politically economically desirable goal. Realice una serie de simulaciones la poblacion Quebrantahuesos cautiva en zoologicos europeos y liberada los Alpes con el programa VORTEX. Las muestran que riesgo extincion cautiva, las tasas extraccion empleadas actualmente, es bajo. Parece posible mantener tasa liberacion actual dos pollos por ano cada uno cuatro puntos suelta Alpes, pero no parece incrementarla para extender proyecto otras montanas europeas. Los modelos manera mas efectiva aumentar sin tamano seria mejorar exito eclosion cautiverio. La informacion cerca parametros demograficos lo suficientemente buena predecir destino final esta o permitir hacer recomendaciones del tiempo deberia continuar siendo suplementada. Aunque sera necesario esperar algunos anos ver si son capaces criar libertad estimar su fecundidad, seguimiento ejemplares liberados obtener estimas precisas supervivencia. muestran, asi mismo, al menos suplementada artificialmente; dado este objetivo reintroduccion organizaciones implicadas deben plantearse puede ser un deseable desde punto vista politico economico.