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disturbance and predation. This has been demonstrated in a specific case where <br />a sandpit owner took interest in observing and protecting least terns (Ducey <br />1982). <br />Thus, perceptions that water projects and other human developments have been <br />wholly detrimental to populations of least terns and piping plovers along the <br />Platte River are not supported by existing information. Neither historical <br />sighting records nor more recent systematic surveys provide evidence that <br />breeding populations of least terns or piping plovers have declined along the <br />Big Bend reach, the Platte River in general, or within the state. Rather, <br />current information indicates that habitat along the Platte and other rivers in <br />Nebraska can support far more birds than was previously thought to be the case. <br />It should be recognized, too, that some aspects of past man- induced change have <br />benefited terns and plovers, exemplifying the fact that progress in meeting <br />human needs, and those of wildlife, need not be mutually exclusive. <br />x <br />