例文
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- The marshland concerned was covered by an algal mat but was otherwise vegetation-free.
- Oligochaetes are also abundant in areas supporting porous and spongy layers of algal mat.
- They may then become incorporated into a semi-continuous algal mat.
- The algal mat samples collected from manatee dorsum were dominated by " Lyngbya spp ".
- The larvae and pupae live in cool, shallow, slow-flowing water with a preference for algal mats.