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Aquaculture and production of grass carp, ctenopharyngodon idella production in culture ponds, pens and cages in open waters.

Pond fish breeding owner enjoying watching the healthy fishes progress.

Northern crested newt, great crested newt or warty newt (Triturus cristatus) is a newt species native to Great Britain, northern and central continental Europe and parts of Western Siberia. Photo taken during ecological and environmental field survey in Shropshire, United Kingdom.

Many foam crates on top of each other, filled with fish and ice. Auction place. Fish, seasonal

Raising and cultivating fish by using fish ponds made of round or circular tarpaulin that can maximize fish production with a narrow and limited production area in Pati, Central Java, Indonesia, Asia

Drone view of shrimp seed lake in Thuy Trieu lagoon, Khanh Hoa province, central Vietnam

Aerial shot of construction in Babcock Ranch, a planned community in southeastern Charlotte County and northeastern Lee County, Florida on a clear, sunny day in spring. Babcock Ranch is America's first fully solar powered town in its first phase of development.

Sludge Recirculation Clarifier Solid Contact Sedimentation Tank. Wastewater treatment plant. Wastewater treatment is a process used to convert dirty wastewater into an effluent that can be either returned to the water cycle with minimal environmental issues or reused.

Ruby and tilapia fish farms in Thailand

No Diving Sign on The Serpentine Lido at Hyde Park in City of Westminster, London, with the royal seal visible.

Aquaculture of Nile tilapia in fishing cage in a pond with blue plastic drum. Reflection of clear sky and white clouds in the water.

Cerkezkoy-Tekirdag Wastewater Treatment Plant, a project consisting of advanced filtration and disinfection plant, warehouses and pumping stations with advanced treatment technology.

Agriculture aquaculture water system farm

Aerial view of a large aquaculture farm on the south coast of Portugal.

Aerial view of a water purification station viewed from above.

Raising and cultivating fish by using fish ponds made of round or circular tarpaulins that can maximize fish production with a narrow and limited production area in Pati, Central Java, Indonesia, Asia

Installation of aeration lines for fine bubbles in an aerobic wastewater treatment lagoon construction project. High quality photo

Irrigation is the process of artificially applying water to soil or plants. It's often used in areas with irregular rainfall or drought.

Modern urban wastewater treatment plant water purification is the process of removing undesirable chemicals of panoramic aerial view

fish tilapia

Modern urban wastewater treatment plant

Bioplok system tilapia cultivation

Overall aerial view of the sewage treatment plant by the river

Agriculture aquaculture water system farm

Wastewater Treatment Plant, a project consisting of advanced filtration and disinfection plant, warehouses and pumping stations with advanced treatment technology.

Water drinking trough on a farm

Fresh fish on the fishing boat deck, fished in the Mediterranean Sea

Black Barrel Drums Of Waste Lined Up

Oyster farming in the Netherlands

Free Images: "bestof:Pictograms-nps-water-fish hatchery-2.svg pictograms used by the United States National Park Service A package containing all NPS symbols is available at the"

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