Global Short Term Trend: Decline of 10-30%
Comments: Short-term decline 10-30% worldwide. Local impacts from logging.
Global Long Term Trend: Decline of 30-50%
Comments: Moderate long-term decline 25-50% worldwide. Local impacts from logging. Associated with permanent, cold-water streams representing refugia that are less abundant now than in previous times. Dispersal is thus inhibited and less likely over time. Long term viability is dependent on longevity of populations at established sites.
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