Abstract: Among the many environmental challenges faced by conservation scientists and managers in the coming decades, the inexorable invasion of alien species from distant land masses and between heretofore isolated regions within continents may be the most revolutionary. Although these invasions will homogenize and impoverish the world's biota, they will lead to a deeper understanding of ecological communities. One consequence of the current biotic interchange is that the public's use of the outdoors will continue to decline as new and alien pathogens and parasites, their distributions and survival enhanced by climate warming and other anthropogenic factors, reduce the safety and enjoyment of hunting fishing and hiking. The forthcoming and massive ecological disruptions are bound to produce misunderstanding and conflict among environmentalists. Attempts by conservation biologists to manage wild and feral animals, including vector species, will be blocked by animal's rights groups. Even within the conservation biology movement there are many real and potential conflicts, especially over turf and resources. Such conflicts are a serious threat to biological diversity. Tolerance and compromise are essential if conservation biology is to accomplish its mission.

Abstract

Resumen: Dentro de los muchos retos ambientales que enfrentan los científicos y los manejadores de la conservación en las décadas venideras, la invasión inexorable de especies forasteras provenientes de masas de tierra distantes y de entre las regiones dentro de los continentes basta abora aisladas, puede ser la más revolucionaria. Aunque estas invasions homogeneizarán y empobrecerán la biota del mundo, nos llevarán a un entendimiento más profundo de las comunidades ecológicas. Una consecuencia del intercambio de la biota actual es que el uso público de las áreas a1 aire libre continuará su decline conforme los nuevos y ajenos patógenos y parásitos, vean resaltada su distribución y su sobrevivencia por el calentamiento del clima y por otros factores antropogénicos, reducen la seguridad y el gozo de la caza, pesca y excursiones. Las venideras y masivas alteraciones ecológicas musivas es seguro que producerán malos entendidos y conflictos entre los ambientalistas. Intentos de los biólogos de la conservación de manejar animales silvestres y ferales, incluyendo las especies vectoras, serán bloqueados por los grupos que defienden los derechos de los animales. Aún dentro del movimiento de la biología de la conservación hay muchos conflictos reales y potenciales, especialmente sobre tepe y recursos Estos conflictos son una seria amenaza para la diversidad boilógica La tolerancia y el compromiso son esenciales si la biología de la conservación va a cumplir con su misión.

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September 1990

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