For example, factors external to the park, such as broad regional habitat degradation and pesticide use, can combine with existing, in-park impacts, such as non-native species, to cause declines in rare, threatened, or endangered amphibians (e.g., mountain yellow-legged frog and Yosemite toad), an adverse, cumulative impact.
(broad regional habitat degradation and pesticide use; can combine; with existing) (in-park impacts, such as non-native species; to cause; declines in rare, threatened, or endangered amphibians) (factors external to the park, such as; threatened; )
broad regional habitat degradation and pesticide use in-park impacts, such as non-native species factors external to the park, such as
can combine to cause threatened
with existing
declines in rare, threatened, or endangered amphibians