underwater vegetation造句

• Filming focused the waters near the island of Olkhon, known for its rich variety of underwater vegetation.
• The density of underwater vegetation also increases from the source to the mouth, so as the richness of the fauna.
• Typical breeding sites are slow-flowing river margins, oxbow lakes, flooded marshland, larger ponds, or ditches, provided abundant underwater vegetation is available.
• They are noted for seeking out underwater vegetation for cover; their natural diet consists largely of small invertebrates and very small fish.
• Fountain darters and San Marcos salamanders live in heavy underwater vegetation, which shields them from predators and provides small crustaceans for their food supply.
• During spring and summer, the salt marsh grasses, abundant insects, and underwater vegetation attract black ducks, mallards, gadwall, and green-winged teal to nest on the refuge.
• In addition to the open land and woods of the Dreiborn Plateau, small stream valleys with tall, herbaceous vegetation, accompanying alder woods and underwater vegetation are of ecological interest.
• On the site of the famed amusement park Dreamland, which burned down, the aquarium displays brilliantly colored tropical fish, coral reefs and underwater vegetation _ a warming sight, as are the playful dolphins, if not the sharks and electric eels.
• The ducks used in foie gras production, however, are a hybrid of Pekin ( a type of Mallard ) and Muscovy ducks, both of which are dabbling ducks and as such, subsist mainly on a diet of underwater vegetation, larvae, and various insects.
• As The Washington Post noted in a series on the problem last week, the runoff from these farms is devastating to the bay because such waste is rich in nitrogen and phosphorus, which encourage algae growth, choke underwater vegetation and rob aquatic life of necessary oxygen.