It is as if we were flying in an airplane and periodically reaching down, pulling a component out of the control panel, and tossing it out the window. Anyone can see that such a plane will very likely not remain airborne. We just know that loss of species cannot be good for the system, or for us. Clearly, amphibians are survivors. But in the past 25 years, herpetologists have observed drastic population declines and disappearances of many more species.
Amphibians live in local colonies.
When one colony's habitat is damaged, it might migrate to a new location if conditions are right. Stop clearcutting forests. Learn to live within reasonable limits. Introduction of exotic species for recreational fishing. Exotic species may outcompete indigenous species for food and breeding sites or may prey upon the indigenous species.