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Blue-green algae (Cyanobacteria) blooming in polluted water. Photosynthetic bacteria organisms grow in rivers or lakes. A close-up.
Sea weed and clear water background
Seaweed growing in the sea and clods reflected on the water surface - high angle view.
Bladderwrack or rockweed on the stony beach at Hvalsey Beach outside Qaqortoq - JulianehÄb on a sunny summers day
Germany, Green seagrass plants growing up from ground of bodensee lake water to surface
A long stringy kelp, Desmarestia aculeata or \
Green algae covered boulders at sea coast beach. Background and surface texture. Sea algae or Green moss stuck on stone. Rocks covered with green seaweed in sea water.
Geirangerfjord near Hellesylt in Norway.  This is seaweed in the Fjord.
Eutrophication of the Khadzhibey estuary, blooms in the water of the blue-green algae Microcystis aeruginosa and the mass development of the green algae Enteromorpha sp.
Looking down on water flowing over grasses
Seaweed in the Venta river in sunny summer day. Underwater photography. Kuldiga, Latvia.
Brown seaweed in brackish water - seen in a canal in Venezia in the northern part of Italy
Tide pool in Woods Hole Massachusetts in the summer.
Seaweed and sand on North Sea coastline
Amazing underwater kelp forests under the crystalline waters of the Upper Zurich Lake (Obersee) along the Holzsteg, Rapperswil, St. Gallen, Switzerland
Seaweeds in the sea
A photograph showing Sargassum seaweed on the Manzanilla-Mayaro Beaches. These beaches are located on the East Coast of Trinidad. In recent years there has been a significant increase in Sargassum seaweed entering the Caribbean oceans and shorelines. Scientists believe that this increase is due to climate change. In the Caribbean, this increase is significantly affecting the tourism industry and the livelihoods of fishermen and other stakeholders who directly or indirectly depend on the ocean for some sort of resource or resources. Sargassum seaweed is a type of brown algae. They contain the pigment fucoxanthin which is responsible for their brown coloration.
Environmental pollution
I was fascinated by the glistening green pine needles in the pond. They gave the water a beautiful glow...
Sargassum seaweed in Caribbean
at Lake Ashinoko, Hakone, Japan
Aerial View of the Polperro Tidal Pool floor
Sea grass Zostera and other algae in stormy outbursts near the shore in a quiet cove, Black Sea
Looking down into seaweed lit by the sun.
Rock, Stone Stage in nature with  seashore Landscape and blue wather nature Background with nature rocks. Norwey life.
underwater plants and rock formation with waves
Background of the seabed with grass under water.
Group of White jellyfish in shallow water at beach
Sea water cleanliness and quality.
Sea water on the coast of Guinea Bissau
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