“ponds”造句，怎麼用ponds造句

When they're still young, he says, farmers toss animal waste in the ponds and allow the tilapia to feed on the algae bloom that follows.

With the new info in hand, scientists should be able to build better models of smaller sea-ice features like melt ponds and ridges.

Catfish farmers in the U.S. imported Asian carp decades ago to eat up the algae in their ponds; the fish slowly escaped into the wild and have been making their way up the Mississippi River.

And there are ways in which cultivation of fish and shellfish can be undertaken within mangrove areas without the need for conversion of these into ponds. Raft culture and floating cages for instance.

The open pit areas are surrounded by an array of sculpted tailings ponds and mine dump areas; these receive mine waste rock for storage and later leaching for further recovery of metals.

Fishermen try their luck in ponds, lakes and rivers.

The tsunami destroyed the earthen Banks of the fishponds and filled the ponds with debris and often-toxic silt.

The waste water is initially stored in a series of ponds in which the anaerobic and aerobic treatment is sufficient to irrigate crops.

This is speculation, of course, but it favours the idea that living things were created in land-locked ponds, rather than at sea, and probably in a volcanic environment.

Rustic wetlands are replaced with fountains and immaculate arti? Cial ponds.

He looks over his shoulder at the silt-filled ponds behind him, and then shifts his gaze to a less-damaged area that may have been protected by a clump of mangrove trees near the beach.

In summer they wander northwards, taking their reindeer with them, across a landscape of boggy ponds, rhododendron-like shrubs and wind-blasted birch trees.

Ducks paddled on ponds that had once been farmland.