Water level fluctuation, long-term inundation, erosive flow, excessive shade, poor soils, and improper installation are the most common causes of low vegetation survival.
(Water level fluctuation, long-term inundation, erosive flow, excessive shade, poor soils, and improper installation; are; the most common causes of low vegetation survival)
Water level fluctuation, long-term inundation, erosive flow, excessive shade, poor soils, and improper installation
are
the most common causes of low vegetation survival