1657 résultats pour : alga

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An overgrown lake with algae and surrounding wooded hills under a cloudy sky, essen, germany

BRK25C42_127

An overgrown lake with algae and surrounding woode...

Close-up of crayfish (Faxonius limosus), American crayfish, invasive species, surrounded by green

BRK25C13_342

Close-up of crayfish (Faxonius limosus), American ...

A spotted gudgeon (Gobio gobio) moving across the algae-covered bottom, dive site Zollbrücke,

BRK25C16_225

A spotted gudgeon (Gobio gobio) moving across the ...

A striped fish, perch (Perca fluviatilis), Egli, swimming over an algae-covered bottom, dive site

BRK25C12_326

A striped fish, perch (Perca fluviatilis), Egli, s...

A grey fish, gudgeon (Gobio gobio), resting on a rock covered with algae, dive site Zollbrücke,

BRK25C13_304

A grey fish, gudgeon (Gobio gobio), resting on a r...

A rudd (Scardinius erythrophthalmus), redfin, roach, roteli, roach, red lead, swimming through

BRK25C15_343

A rudd (Scardinius erythrophthalmus), redfin, roac...

Gudgeon (Gobio gobio) resting on an algae-covered underwater bottom, dive site Zollbrücke, Rheinau,

BRK25C14_289

Gudgeon (Gobio gobio) resting on an algae-covered ...

Common loach (Barbatula barbatula) hiding in green aquatic plants under water, dive site Wildsau,

BRK25C12_373

Common loach (Barbatula barbatula) hiding in green...

Boulders, seaweed, seaweed, view over St. Ives Bay, coastline, West Cornwall, England, Great

BRK25C15_004

Boulders, seaweed, seaweed, view over St. Ives Bay...

Italy Venice waterfront with algae -224

BRK25C41_117

Italy Venice waterfront with algae -224

Boulders, seaweed, seaweed, St. Ives Bay, coastline, West Cornwall, England, Great Britain

BRK25C12_491

Boulders, seaweed, seaweed, St. Ives Bay, coastlin...

Boulders, seaweed, seaweed, view over St. Ives Bay towards Godrevy, coastline, West Cornwall,

BRK25C00_385

Boulders, seaweed, seaweed, view over St. Ives Bay...

Boulders, seaweed, seaweed, view over St. Ives Bay towards Godrevy, coastline, West Cornwall,

BRK25C15_461

Boulders, seaweed, seaweed, view over St. Ives Bay...

Boulders, seaweed, seaweed, view over St. Ives Bay towards Godrevy, coastline, West Cornwall,

BRK25C13_459

Boulders, seaweed, seaweed, view over St. Ives Bay...

A moray eel, star-spotted moray eel (Echidna nebulosa), wriggling through dense green algae, dive

BRK25B89_301

A moray eel, star-spotted moray eel (Echidna nebul...

A catfish (Silurus glanis), Waller, swimming through the dark, algae-rich water, dive site

BRK25B76_468

A catfish (Silurus glanis), Waller, swimming throu...

Keide coast with large stones and algae in the water of the Baltic Sea, Jasmund National Park,

BRK25B94_185

Keide coast with large stones and algae in the wat...

Single green snail, sea snail, leaf sheep snail (Costasiella kuroshimae), called Shaun the sheep.

BRK25B70_322

Single green snail, sea snail, leaf sheep snail (C...

Seagrass filefish (Acreichthys tomentosus) on sandy seabed next to green algae, dive site Secret

BRK25B98_304

Seagrass filefish (Acreichthys tomentosus) on sand...

Common Octopus (Octopus vulgaris), common octopus, on a rock covered with algae under water. Dive

BRK25B66_466

Common Octopus (Octopus vulgaris), common octopus,...

Large corkscrew anemone (Macrodactyla doreensis) with long tentacles on sandy seabed surrounded by

BRK25B76_452

Large corkscrew anemone (Macrodactyla doreensis) w...

Sea ball, ball algae (Codium bursa), algae, in the Mediterranean Sea near Hyères. Dive site Giens

BRK25B93_486

Sea ball, ball algae (Codium bursa), algae, in the...

Water frog (rana esculenta), sitting on a carpet of algae in a pond, Switzerland, Europe

BRK25B97_433

Water frog (rana esculenta), sitting on a carpet o...

Grey European eel (Anguilla anguilla) in a rocky environment with algae. Dive site Klosterinsel,

BRK25B66_275

Grey European eel (Anguilla anguilla) in a rocky e...

A spider crab (Maja squinado) covered with algae, moving on a reef with clonal plumose anemones

BRK25B75_148

A spider crab (Maja squinado) covered with algae, ...

A snake sea cucumber (Euapta lappa), sea cucumber, crawls over the sandy seabed, surrounded by

BRK25B83_297

A snake sea cucumber (Euapta lappa), sea cucumber,...

PUEVIT GmbH produces the most efficient photobioreactors for the cultivation of microalgae. The aim

BRK25B76_071

PUEVIT GmbH produces the most efficient photobiore...

PUEVIT GmbH produces the most efficient photobioreactors for the cultivation of microalgae. The aim

BRK25B89_080

PUEVIT GmbH produces the most efficient photobiore...

Beach in the Blue Lagoon bay on the holiday island of Nusa Lembongan, blue, algae formation,

BRK25B95_090

Beach in the Blue Lagoon bay on the holiday island...

Underwater landscape reef with algae, Blue underwater background

BRK25B51_154

Underwater landscape reef with algae, Blue underwa...

Dark-kneed hermit crab (Dardanus lagopodes) in an algae-covered snail shell between corals, dive

BRK25B72_218

Dark-kneed hermit crab (Dardanus lagopodes) in an ...

A madeira rockfish (Scorpaena maderensis), hidden among algae and rocks in the underwater world.

BRK25B81_259

A madeira rockfish (Scorpaena maderensis), hidden ...

White starfish (Coscinasterias tenuispina) resting on an algae-covered substrate. Dive site Cueva

BRK25B83_298

White starfish (Coscinasterias tenuispina) resting...

Bladder wrack (Fucus vesiculosus), Brittany, France, Europe

BRK25B55_439

Bladder wrack (Fucus vesiculosus), Brittany, Franc...

Kelp gull (Larus dominicanus) with grasped egg, Boulder, Simon's Town, Western Cape, South Africa,

BRK25B58_152

Kelp gull (Larus dominicanus) with grasped egg, Bo...

Brown algae and seaweed in the mudflats, North Sea, Föhr, North Sea island, North Frisia,

BRK25B67_275

Brown algae and seaweed in the mudflats, North Sea...

Seaweed and sea grass on the seashore, Vancouver Island, Canada, North America

BRK25B63_139

Seaweed and sea grass on the seashore, Vancouver I...

Common loach (Barbatula barbatula) hiding in dense underwater plants, Wildsau dive site, Berlingen,

BRK25B03_187

Common loach (Barbatula barbatula) hiding in dense...

Snake-like sea creature, Feather mouth sea cucumber (Synapta maculata), wriggling through green

BRK25B04_290

Snake-like sea creature, Feather mouth sea cucumbe...

Dark-kneed hermit crab (Dardanus lagopodes) among corals, dive site Spice Reef, Penyapangan, Bali,

BRK25B34_126

Dark-kneed hermit crab (Dardanus lagopodes) among ...

A Common Octopus (Octopus vulgaris), common octopus, in an underwater landscape surrounded by algae

BRK25B32_375

A Common Octopus (Octopus vulgaris), common octopu...

A brown hatchetfish (Pempheris adusta), bony fish, with a white line swimming in the tropical sea,

BRK25B34_072

A brown hatchetfish (Pempheris adusta), bony fish,...

A European eel (Anguilla anguilla) swimming through green algae at night, dive site Zollbrücke,

BRK25B03_453

A European eel (Anguilla anguilla) swimming throug...

A river cover snail, Viviparus viviparus, between aquatic plants, Wildsau dive site, Berlingen,

BRK25B11_288

A river cover snail, Viviparus viviparus, between ...

A spider crab (Maja squinado) crawls across the ocean floor, covered in algae. Dive site Maharees

BRK25B40_444

A spider crab (Maja squinado) crawls across the oc...

A mediterranean red sea star (Echinaster sepositus) clings to an algae-covered reef. Dive site

BRK25B10_325

A mediterranean red sea star (Echinaster sepositus...

PUEVIT GmbH produces the most efficient photobioreactors for the cultivation of microalgae. The aim

BRK25B22_329

PUEVIT GmbH produces the most efficient photobiore...

PUEVIT GmbH produces the most efficient photobioreactors for the cultivation of microalgae. The aim

BRK25B29_487

PUEVIT GmbH produces the most efficient photobiore...

Saline ponds at the salt works next to Almadraba de Monteleva. The reddish colour depends on the

BRK25B39_216

Saline ponds at the salt works next to Almadraba d...

Group of striped fish, zebra bream (Diplodus cervinus cervinus), moving together over an overgrown

BRK25B01_096

Group of striped fish, zebra bream (Diplodus cervi...

East Atlantic arrow crab (Stenorhynchus lanceolatus) on lava sand. Dive site Playa, Los Cristianos,

BRK25B33_117

East Atlantic arrow crab (Stenorhynchus lanceolatu...

Heavily overgrown and rotten remains of a shipwreck in the sea. Dive site Wreck of the Condesito,

BRK25B11_152

Heavily overgrown and rotten remains of a shipwrec...

PUEVIT GmbH produces the most efficient photobioreactors for the cultivation of microalgae. The aim

BRK25B10_077

PUEVIT GmbH produces the most efficient photobiore...

A crayfish (Faxonius limosus), American crayfish, invasive species, in dense green plant growth,

BRK25B31_381

A crayfish (Faxonius limosus), American crayfish, ...

PUEVIT GmbH produces the most efficient photobioreactors for the cultivation of microalgae. The aim

BRK25B46_399

PUEVIT GmbH produces the most efficient photobiore...

PUEVIT GmbH produces the most efficient photobioreactors for the cultivation of microalgae. The aim

BRK25B46_400

PUEVIT GmbH produces the most efficient photobiore...

Saline ponds at the salt works near Chiclana de la Frontera. The orange-red colour depends on the

BRK25B09_427

Saline ponds at the salt works near Chiclana de la...

Man fights algae in the water of Altmühlarm from boat with bio-phosphate binder, Altmühlarm, Markt

BRK25B15_064

Man fights algae in the water of Altmühlarm from b...

A hiker stands on rocks on the coast, next to a pool of water with algae and the sea in the

BRK25A55_423

A hiker stands on rocks on the coast, next to a po...

Saline ponds at the Bonanza salt works near Sanlúcar de Barrameda. The orange-red colour depends on

BRK25A69_159

Saline ponds at the Bonanza salt works near Sanlúc...

(Sargassum) seaweed washed up on sandy beach, Isla Mujeres, Caribbean Coast, Cancun, Quintana Roo,

BRK25A97_376

(Sargassum) seaweed washed up on sandy beach, Isla...

Saline ponds at the salt works near Chiclana de la Frontera. The orange-red colour depends on the

BRK25A54_472

Saline ponds at the salt works near Chiclana de la...

PUEVIT GmbH produces the most efficient photobioreactors for the cultivation of microalgae. The aim

BRK25A51_484

PUEVIT GmbH produces the most efficient photobiore...

Saline ponds at the Bonanza salt works near Sanlúcar de Barrameda. The reddish colour depends on

BRK25A76_447

Saline ponds at the Bonanza salt works near Sanlúc...

PUEVIT GmbH produces the most efficient photobioreactors for the cultivation of microalgae. The aim

BRK25A59_200

PUEVIT GmbH produces the most efficient photobiore...

American bear crab (Scyllarus americanus), dive site John Pennekamp Coral Reef State Park, Key

BRK25A70_250

American bear crab (Scyllarus americanus), dive si...

A scorpion spider crab (Inachus), spider crab, with long legs and claws on a bed of algae. Dive

BRK25A70_277

A scorpion spider crab (Inachus), spider crab, wit...

Stone pyramids on old groynes with algae in the water on the beach of the Baltic Sea, long exposure

BRK25A70_286

Stone pyramids on old groynes with algae in the wa...

Rockweed (Ascophyllum nodosum) on the beach, South Holland, Netherlands

BRK25A93_208

Rockweed (Ascophyllum nodosum) on the beach, South...

Bladder wrack (Fucus vesiculosus) on the beach of Plévenon, Côtes-d'Armor, Brittany, France, Europe

BRK25A90_435

Bladder wrack (Fucus vesiculosus) on the beach of ...

Erratic boulders with algae and bird droppings in the water on the shore of the Baltic Sea,

BRK25A83_188

Erratic boulders with algae and bird droppings in ...

A marbled electric ray (Torpedo marmorata) rests on the seabed, surrounded by red algae. Dive site

BRK25A59_485

A marbled electric ray (Torpedo marmorata) rests o...

A flat brown sea worm with white edges, golden flatworm (Yungia aurantiaca), surrounded by algae.

BRK25A60_370

A flat brown sea worm with white edges, golden fla...

Sea urchin with long, coloured spines, banded sea urchin (Echinothrix calamaris), in a green

BRK25A62_162

Sea urchin with long, coloured spines, banded sea ...

Close-up of a small fish, algae blenny (Parablennius marmoreus), blenny, with detailed skin

BRK25A84_038

Close-up of a small fish, algae blenny (Parablenni...

Foot bridge decorated with flower boxes over pond overgrown with Chlorophyta, Green Algae and

BRK25A63_333

Foot bridge decorated with flower boxes over pond ...

A small crab, Sargassum swimming crab (Portunus sayi), swims at night in the black water of the

BRK25A70_264

A small crab, Sargassum swimming crab (Portunus sa...

Three sea snails, leaf sheep snails (Costasiella kuroshimae), called Shaun the Sheep. Sea snail

BRK25A72_295

Three sea snails, leaf sheep snails (Costasiella k...

A striped fish, perch (Perca fluviatilis), Egli swims among the algae in a green underwater

BRK25A54_046

A striped fish, perch (Perca fluviatilis), Egli sw...

A school of jointed razorfish, razorfish (Aeoliscus strigatus) standing vertically amidst sea

BRK25A74_065

A school of jointed razorfish, razorfish (Aeoliscu...

A juvenile white-spotted pufferfish (Arothron hispidus) floats in the water in front of green

BRK25A71_258

A juvenile white-spotted pufferfish (Arothron hisp...

A green leaf sheep snail (Costasiella kuroshimae), called Shaun the Sheep. Marine snail with

BRK25A71_235

A green leaf sheep snail (Costasiella kuroshimae),...

White-spotted pufferfish (Arothron hispidus) juvenile with bright spots swimming over green algae,

BRK25A56_192

White-spotted pufferfish (Arothron hispidus) juven...

Eutrophication in drainage ditch Hollesley, Suffolk, England. Eutrophication is caused by the use

BRK25A59_066

Eutrophication in drainage ditch Hollesley, Suffol...

Old wooden groynes covered with algae and barnacles (Balanidae) on a sandy beach at low tide, North

BRK25A74_032

Old wooden groynes covered with algae and barnacle...

Coloured bead coral (Open brain coral) on a sandy seabed, dive site Prapat, Penyapangan, Bali,

BRK25A29_209

Coloured bead coral (Open brain coral) on a sandy ...

A long Feather mouth sea cucumber (Synapta maculata) stretches across the sandy seabed, dive site

BRK25A29_236

A long Feather mouth sea cucumber (Synapta maculat...

Red scissor shrimp (Cuapetes tenuipes), shrimp, hiding in a crevice-like cave, surrounded by algae,

BRK25A35_075

Red scissor shrimp (Cuapetes tenuipes), shrimp, hi...

Chuka seaweed salad in wooden bowl on brown wooden background. Side view, close up, selective focus

BRK25A02_271

Chuka seaweed salad in wooden bowl on brown wooden...

Devils Tears bay on the holiday island of Nusa Lembongan, green, colourful, algae formation,

BRK25A24_032

Devils Tears bay on the holiday island of Nusa Lem...

Rocky cove at Cadgwith, Lizard peninsula, Cornwall, England, UK

BRK25A09_112

Rocky cove at Cadgwith, Lizard peninsula, Cornwall...

A colourful European spiny crayfish (Palinurus elephas) amidst algae and sea sponges hides between

BRK25A28_456

A colourful European spiny crayfish (Palinurus ele...

Female ornate wrasses (Thalassoma pavo) swim near seaweed in the clear blue water. Dive site Cueva

BRK25A46_316

Female ornate wrasses (Thalassoma pavo) swim near ...

An octopus, common cuttlefish (Acanthosepion aculeatum), hovering over an algae-covered seabed,

BRK25A34_384

An octopus, common cuttlefish (Acanthosepion acule...

Cleaning a sink, hand basin, bathroom, with the help of a longer brush, the dirt, deposits, mould

BRK25A09_366

Cleaning a sink, hand basin, bathroom, with the he...

A sea anemone with long white tentacles, corkscrew anemone (Macrodactyla doreensis), surrounded by

BRK25A41_008

A sea anemone with long white tentacles, corkscrew...

Seascape on the beach at Uttakleiv (Utakleiv), rocks and green seaweed in the foreground. In the

BRK25A38_009

Seascape on the beach at Uttakleiv (Utakleiv), roc...

Black hermit crab (Dardanus) with colourful shell on a net fire coral, dive site House Reef,

BRK25A00_050

Black hermit crab (Dardanus) with colourful shell ...

PUEVIT GmbH produces the most efficient photobioreactors for the cultivation of microalgae. The aim

BRK25A28_224

PUEVIT GmbH produces the most efficient photobiore...

PUEVIT GmbH produces the most efficient photobioreactors for the cultivation of microalgae. The aim

BRK25A31_142

PUEVIT GmbH produces the most efficient photobiore...

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