Most likely, that will involve placing the mats, called benthic barriers, on the sandy lake bottom to smother the clams.    From Wordnik.com.  [WTVM - 1- WTVM Home] Reference

The latter are referred to as benthic algae.    From Wordnik.com.  [Chapter 7] Reference

Crayfish can be burrowers, benthic or semi-pelagic.    From Wordnik.com.  [Crustacea] Reference

Seaweeds fall within the domain of the benthic algae.    From Wordnik.com.  [Chapter 7] Reference

Most free-living forms are benthic, though pelagic forms also occur.    From Wordnik.com.  [Crustacea] Reference

These may be used alone or in combination with benthic artificial reefs.    From Wordnik.com.  [3 Artificial Reefs and Fish Aggregating Devices] Reference

Snow crab and northern shrimp have been the dominant benthic crustaceans.    From Wordnik.com.  [Fisheries and aquaculture in the Newfoundland and Labrador Seas, Northeastern Canada] Reference

Gastropods are snails that feed mostly on bottom-dwelling or benthic algae.    From Wordnik.com.  [4 Coastal Mariculture] Reference

The benthic fauna of the deeper waters is dominated by a small number of species.    From Wordnik.com.  [Kvarken Archipelago High Coast, Finland and Sweden] Reference

The number of fish recorded around the island is 12 benthic and 21 pelagic species.    From Wordnik.com.  [MacQuarie Island, Australia] Reference

Losses of species diversity in zooplankton, benthic invertebrates and fish communities.    From Wordnik.com.  [Inorganic nitrogen pollution in aquatic ecosystems~ causes and consequences] Reference

An enhanced and earlier supply of sediment is likely to be detrimental to benthic fauna.    From Wordnik.com.  [Key findings, science gaps, and recommendations for freshwater ecosystems in the ACIA] Reference

Major modifications of the Black Sea benthic and biotic biota in the last three decades.    From Wordnik.com.  [Black Sea large marine ecosystem] Reference

Ocean regions can be separated into four major zones: intertidal, pelagic, benthic and abyssal.    From Wordnik.com.  [AP Environmental Science Chapter 5- The Biosphere] Reference

The benthic communities have been severely disturbed and are virtually devoid of larger animals.    From Wordnik.com.  [Human impacts on the biodiversity of the Arctic] Reference

The potential for benthic community degradation and fish contamination is increasing (EPA, 2001).    From Wordnik.com.  [California Current large marine ecosystem] Reference

Notostracans feed on detritus and on anostracans, conchostracans and other benthic invertebrates.    From Wordnik.com.  [Crustacea] Reference

Two distinct peak productivity periods produce a complex system of midwater and benthic habitats.    From Wordnik.com.  [Stellwagen Bank National Marine Sanctuary] Reference

There is now a decline for many demersal fish, for pelagic predators and for benthic invertebrates.    From Wordnik.com.  [Black Sea large marine ecosystem] Reference

Investigation of benthic marine algae as a source of new pharmaceuticals and agricultural chemicals.    From Wordnik.com.  [Chapter 7] Reference

Walrus routinely use sea ice as a haul-out platform in shallow areas where they feed on benthic fauna.    From Wordnik.com.  [General description of the Arctic biota] Reference

A constant current is quite acceptable and is favorable to benthic filter feeders inhabiting the structures.    From Wordnik.com.  [3 Artificial Reefs and Fish Aggregating Devices] Reference

The benthic zone is the region below the pelagic zone, but not including the very deepest parts of the ocean.    From Wordnik.com.  [AP Environmental Science Chapter 5- The Biosphere] Reference

Planktonic algae may be either benthic (attached to a substrate) or planktonic (floating in the water column).    From Wordnik.com.  [Aquatic plants] Reference

Turbellarians feed predominantly on bacteria, protozoans and other small invertebrates in their benthic habitats.    From Wordnik.com.  [Platyhelminthes] Reference

The significant impact from open net-pen fish farms on the benthic environment alone is cause for serious concern.    From Wordnik.com.  [Chris Genovali: Just Say No To "Certified Organic" Farmed Salmon] Reference

While terrestrial flora is scarce, the isolated islands provide habitat for a rich benthic and littoral marine biota.    From Wordnik.com.  [St. Peter and St. Paul rocks] Reference

Plankton and benthic species are unevenly distributed throughout the LME as a result of complex circulation patterns.    From Wordnik.com.  [Sea of Okhotsk large marine ecosystem] Reference

Like ponds and lakes, the ocean regions are separated into separate zones: intertidal, pelagic, abyssal, and benthic.    From Wordnik.com.  [Marine biomes] Reference

This could possibly lead to local extirpation of benthic and planktonic animals, as well as overall shifts in productivity.    From Wordnik.com.  [Broad-scale effects of climate change on freshwater systems in the Arctic] Reference

Decreased ice cover, decreased ice-associated algal production, and subsequent impacts on pelagic and benthic food webs (-).    From Wordnik.com.  [Effects of climate change on general hydro-ecology in the Arctic] Reference

Heavy exploitation of benthic species, such as shrimps and scallops, also affects other species in the benthic communities.    From Wordnik.com.  [Human impacts on the biodiversity of the Arctic] Reference

The prey base of benthic (bottom) feeding walrus, endangered sea ducks like spectacled eiders, and gray whales is declining.    From Wordnik.com.  [Impacts of global warming in Alaska] Reference

Interestingly, an annual decrease in benthic biological diversity accompanies this shift from a marine to an estuarine system.    From Wordnik.com.  [Kachemak Bay National Estuarine Research Reserve, Alaska] Reference

Heavy metals such as cadmium, lead, manganese, and zinc have been found in benthic core samples to depths up to 45 centimeters.    From Wordnik.com.  [Arabian Sea large marine ecosystem] Reference

This significant loss of benthic biomass may result in large scale alterations of freshwater ecosystem processes and functions.    From Wordnik.com.  [Freshwater mussels in North America - factors affecting their endangerment and extinction] Reference

The benthic zone is the area below the pelagic zone, but does not include the very deepest parts of the ocean (see abyssal zone below).    From Wordnik.com.  [Marine biomes] Reference

With open water, the algal community shifts from a predominance of benthic diatoms to planktonic forms, and chrysophytes begin to occur.    From Wordnik.com.  [Broad-scale effects of climate change on freshwater systems in the Arctic] Reference