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Signal crayfish (Pacifastacus leniusculus) nips with its claws, neozoon, crayfish plague, invasion,

BRK25C21_500

Signal crayfish (Pacifastacus leniusculus) nips wi...

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

BRK25C13_342

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

Crayfish (Faxonius limosus), American crayfish, invasive species, with clearly visible claws on

BRK25C12_395

Crayfish (Faxonius limosus), American crayfish, in...

Frontal close-up of a crayfish (Faxonius limosus), American crayfish, invasive species, in the

BRK25C15_228

Frontal close-up of a crayfish (Faxonius limosus),...

A close-up of a crayfish (Faxonius limosus) American crayfish, invasive species, surrounded by many

BRK25C16_300

A close-up of a crayfish (Faxonius limosus) Americ...

A cluster of quagga mussels (Dreissena rostriformis bugensis), invasive species, Wildsau dive site,

BRK25C00_483

A cluster of quagga mussels (Dreissena rostriformi...

An old steering position of a shipwreck, with mussels, quagga triangle mussel (Dreissena

BRK25B90_306

An old steering position of a shipwreck, with muss...

Waterweed, Elodea, an invasive species, green carpet of plants on Lake Baldeney in Essen, the

BRK25B79_260

Waterweed, Elodea, an invasive species, green carp...

Rusty ladder in a shipwreck, covered by mussels, quagga triangle mussel (Dreissena rostriformis

BRK25B27_313

Rusty ladder in a shipwreck, covered by mussels, q...

Green grass field with yellow Taraxacum, Dandelion flowers bordered by deciduous and evergreen

BRK25B24_092

Green grass field with yellow Taraxacum, Dandelion...

Detailed view of a shipwreck covered with mussels, quagga triangle mussel (Dreissena rostriformis

BRK25B21_476

Detailed view of a shipwreck covered with mussels,...

Underwater image of a shipwreck covered by mussels, Quagga triangle mussel (Dreissena rostriformis

BRK25B03_310

Underwater image of a shipwreck covered by mussels...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK25B10_267

Green carpet of plants on Lake Baldeney in Essen, ...

Waterweed, Elodea, an invasive species, green carpet of plants on Lake Baldeney in Essen, the

BRK25B35_400

Waterweed, Elodea, an invasive species, green carp...

Pacific red lionfish (Pterois volitans), dive site Al Munassir, Qantab, Oman, Asia

BRK25B40_138

Pacific red lionfish (Pterois volitans), dive site...

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

BRK25B31_381

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

Green grass lawn overgrown with Taraxacum officinale, Dandelion flowers ready to release seeds in

BRK25B39_301

Green grass lawn overgrown with Taraxacum officina...

Several chinese mitten crab (Eriocheir sinensis), invasive species, neozoon, crabs, juveniles,

BRK25B40_254

Several chinese mitten crab (Eriocheir sinensis), ...

Waterweed, Elodea, an invasive species, green carpet of plants on Lake Baldeney in Essen, the

BRK25A65_452

Waterweed, Elodea, an invasive species, green carp...

Waterweed, Elodea, an invasive species, green carpet of plants on Lake Baldeney in Essen, the

BRK25A59_222

Waterweed, Elodea, an invasive species, green carp...

Green grass lawn overgrown with yellow Taraxacum officinale, Dandelion flowers and other

BRK25A60_282

Green grass lawn overgrown with yellow Taraxacum o...

Crayfish (Faxonius limosus), American crayfish, invasive species, in a green underwater world with

BRK25A69_343

Crayfish (Faxonius limosus), American crayfish, in...

Semiaquatic rodent called, commonly known as Nutria (Myocastor Coypus), swimming in river with

BRK25A87_420

Semiaquatic rodent called, commonly known as Nutri...

Flowering giant hogweed, (Heracleum mantegazzianum) an invasive species that is difficult to

BRK25A64_078

Flowering giant hogweed, (Heracleum mantegazzianum...

Three-spined stickleback (Gasterosteus aculeatus) resting between numerous quagga mussels

BRK25A57_404

Three-spined stickleback (Gasterosteus aculeatus) ...

Zerstörung von Waldlebensräumen durch invasiven Rhododendron ponticum, Irland

BRK25A50_383

Zerstörung von Waldlebensräumen durch invasiven Rh...

Divers explore the shipwreck of an old ship in deep water overgrown with mussels, quagga triangle

BRK25A84_191

Divers explore the shipwreck of an old ship in dee...

Several chinese mitten crab (Eriocheir sinensis), invasive species, neozoon, crabs, juveniles,

BRK25A54_078

Several chinese mitten crab (Eriocheir sinensis), ...

Pan-fried fish dish with Caribbean invasive lionfish (Pterois miles) prepared without head tail

BRK25A68_374

Pan-fried fish dish with Caribbean invasive lionfi...

Two coypus, nutrias (Myocastor coypus) resting on fallen tree trunk in pond, invasive rodent in

BRK25A68_021

Two coypus, nutrias (Myocastor coypus) resting on ...

Rusted ship metal, with shells, quagga triangle mussel (Dreissena rostriformis bugensis), invasive

BRK25A27_002

Rusted ship metal, with shells, quagga triangle mu...

Buoy on the regatta course on Lake Baldeney, cormorant and heron hang out, the area is colonised by

BRK25A10_476

Buoy on the regatta course on Lake Baldeney, cormo...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK25A16_068

Green carpet of plants on Lake Baldeney in Essen, ...

Mowing boat Nimmersatt, of the Ruhrverband, tries to keep the green plant carpet on the Lake

BRK25A19_051

Mowing boat Nimmersatt, of the Ruhrverband, tries ...

Flowering Japanese Knotweed (Fallopia Japonica), an invasive piece in a forest clearing in Ystad,

BRK25A20_310

Flowering Japanese Knotweed (Fallopia Japonica), a...

Mowing boat Nimmersatt, of the Ruhrverband, tries to keep the green plant carpet on the Lake

BRK25A03_437

Mowing boat Nimmersatt, of the Ruhrverband, tries ...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK25A39_030

Green carpet of plants on Lake Baldeney in Essen, ...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK25A07_051

Green carpet of plants on Lake Baldeney in Essen, ...

Flowering giant hogweed in the landscape, (Heracleum mantegazzianum) an invasive species that is

BRK25A11_168

Flowering giant hogweed in the landscape, (Heracle...

Buoy on the regatta course on Lake Baldeney, cormorant and heron hang out, the area is colonised by

BRK25A03_351

Buoy on the regatta course on Lake Baldeney, cormo...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK25A01_489

Green carpet of plants on Lake Baldeney in Essen, ...

Waterweed, Elodea, an invasive species, green carpet of plants on Lake Baldeney in Essen, the

BRK25A02_424

Waterweed, Elodea, an invasive species, green carp...

Mowing boat Nimmersatt, of the Ruhrverband, tries to keep the green plant carpet on the Lake

BRK25A04_327

Mowing boat Nimmersatt, of the Ruhrverband, tries ...

Waterweed, Elodea, an invasive species, green carpet of plants on Lake Baldeney in Essen, the

BRK25A46_168

Waterweed, Elodea, an invasive species, green carp...

Chinese mitten crab (Eriocheir sinensis), invasive species, neozoon, crabs, juvenile, clings to the

BRK25A07_379

Chinese mitten crab (Eriocheir sinensis), invasive...

Chinese mitten crab (Eriocheir sinensis), invasive species, neozoon, crab, juvenile, clings to a

BRK25A19_364

Chinese mitten crab (Eriocheir sinensis), invasive...

Chinese mitten crab (Eriocheir sinensis), invasive species, neozoon, crabs, juvenile, squatting in

BRK25A40_010

Chinese mitten crab (Eriocheir sinensis), invasive...

Torch ginger (Etlingera elatior), invasive plant species, Costa Rica, Central America

BRK25A01_450

Torch ginger (Etlingera elatior), invasive plant s...

Octopus stinkhorn (Clathrus archeri), devil's fingers (Lysurus archeri) invasive fungus in Europe

BRK25A22_159

Octopus stinkhorn (Clathrus archeri), devil's fing...

Green grass lawn overgrown with yellow Taraxacum officinale, Dandelion flowers in spring, Quebec,

BRK24I52_219

Green grass lawn overgrown with yellow Taraxacum o...

Flowering Japanese Knotweed (Fallopia Japonica), an invasive piece in a forest clearing in Ystad,

BRK24I98_269

Flowering Japanese Knotweed (Fallopia Japonica), a...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24J03_365

Green carpet of plants on Lake Baldeney in Essen, ...

Green grass field with yellow Taraxacum, Dandelion flowers bordered by deciduous and evergreen

BRK24I43_381

Green grass field with yellow Taraxacum, Dandelion...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24I13_165

Green carpet of plants on Lake Baldeney in Essen, ...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24I24_438

Green carpet of plants on Lake Baldeney in Essen, ...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24I24_437

Green carpet of plants on Lake Baldeney in Essen, ...

Waterweed, Elodea, an invasive species, green carpet of plants on Lake Baldeney in Essen, the

BRK24I32_426

Waterweed, Elodea, an invasive species, green carp...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24I98_420

Green carpet of plants on Lake Baldeney in Essen, ...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24I93_132

Green carpet of plants on Lake Baldeney in Essen, ...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24J03_366

Green carpet of plants on Lake Baldeney in Essen, ...

Ruhrverband mowing boat in action against waterweed, Elodea, an invasive species, green carpet of

BRK24I94_053

Ruhrverband mowing boat in action against waterwee...

Flowering Japanese Knotweed (Fallopia Japonica), an invasive piece in Abbekås, Skurup Municipality,

BRK24I74_452

Flowering Japanese Knotweed (Fallopia Japonica), a...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24I94_390

Green carpet of plants on Lake Baldeney in Essen, ...

Field with lacy phacelias (Phacelia tanacetifolia) or tufted beauty, tansy-leaved phacelia, tufted

BRK24J02_446

Field with lacy phacelias (Phacelia tanacetifolia)...

Octopus stinkhorn (Clathrus archeri), devil's fingers (Lysurus archeri) invasive fungus in Europe

BRK24J04_203

Octopus stinkhorn (Clathrus archeri), devil's fing...

Underwater image of a partly decayed shipwreck covered with mussels, quagga triangle mussel

BRK24I35_431

Underwater image of a partly decayed shipwreck cov...

Pacific red lionfish (Pterois volitans), dive site House Reef, Mangrove Bay, El Quesir, Red Sea,

BRK24I23_054

Pacific red lionfish (Pterois volitans), dive site...

Mowing boat Nimmersatt, of the Ruhrverband, tries to keep the green plant carpet on the Lake

BRK24I97_033

Mowing boat Nimmersatt, of the Ruhrverband, tries ...

A structure of a shipwreck lying on the lake bottom covered by mussels, quagga triangle mussel

BRK24I13_408

A structure of a shipwreck lying on the lake botto...

Dark underwater image of an abandoned shipwreck, covered with mussels, quagga triangle mussel

BRK24I17_344

Dark underwater image of an abandoned shipwreck, c...

Rusty, with mussels, Quagga triangle mussel (Dreissena rostriformis bugensis), invasive species,

BRK24I35_430

Rusty, with mussels, Quagga triangle mussel (Dreis...

A pumpkinseed sunfish (Lepomis gibbosus), invasive species, swims across the sandy bottom

BRK24I40_253

A pumpkinseed sunfish (Lepomis gibbosus), invasive...

Mowing boat Nimmersatt, of the Ruhrverband, tries to keep the green plant carpet on the Lake

BRK24I94_462

Mowing boat Nimmersatt, of the Ruhrverband, tries ...

Mowing boat Nimmersatt, of the Ruhrverband, tries to keep the green plant carpet on the Lake

BRK24I98_421

Mowing boat Nimmersatt, of the Ruhrverband, tries ...

Mowing boat Nimmersatt, of the Ruhrverband, tries to keep the green plant carpet on the Lake

BRK24I94_463

Mowing boat Nimmersatt, of the Ruhrverband, tries ...

Waterweed, Elodea, an invasive species, green carpet of plants on Lake Baldeney in Essen, the

BRK24I46_299

Waterweed, Elodea, an invasive species, green carp...

Mowing boat Nimmersatt, of the Ruhrverband, tries to keep the green plant carpet on the Lake

BRK24I94_391

Mowing boat Nimmersatt, of the Ruhrverband, tries ...

Chinese mitten crab (Eriocheir sinensis), invasive species, neozoon, crabs, juvenile, clings to a

BRK24I96_440

Chinese mitten crab (Eriocheir sinensis), invasive...

Common raccoon, North American racoon (Procyon lotor) crossing stream, rivulet over fallen tree

BRK24I58_161

Common raccoon, North American racoon (Procyon lot...

Coypu, nutria (Myocastor coypus) close-up portrait showing large bright orange-yellow incisors,

BRK24I62_330

Coypu, nutria (Myocastor coypus) close-up portrait...

Several chinese mitten crab (Eriocheir sinensis), invasive species, neozoon, crabs, juveniles,

BRK24I46_248

Several chinese mitten crab (Eriocheir sinensis), ...

Common box-Zuensler caterpillars and leaves, -Zuensler, plants (Buxaceae)

BRK24J04_089

Common box-Zuensler caterpillars and leaves, -Zuen...

Chinese mitten crab (Eriocheir sinensis), invasive species, neozoon, crab, juvenile clings to the

BRK24I94_201

Chinese mitten crab (Eriocheir sinensis), invasive...

Flowering Japanese Knotweed (Fallopia Japonica), an invasive piece in a forest clearing in Ystad,

BRK24H82_052

Flowering Japanese Knotweed (Fallopia Japonica), a...

Mowing boat Nimmersatt, of the Ruhrverband, tries to keep the green plant carpet on the Lake

BRK24H78_253

Mowing boat Nimmersatt, of the Ruhrverband, tries ...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24H80_295

Green carpet of plants on Lake Baldeney in Essen, ...

Waterweed, Elodea, an invasive species, green carpet of plants on Lake Baldeney in Essen, the

BRK24H83_023

Waterweed, Elodea, an invasive species, green carp...

Pacific red lionfish (Pterois volitans), dive site House Reef, Mangrove Bay, El Quesir, Red Sea,

BRK24H92_412

Pacific red lionfish (Pterois volitans), dive site...

Buoy on the regatta course on Lake Baldeney, cormorant and heron hang out, the area is colonised by

BRK24H93_079

Buoy on the regatta course on Lake Baldeney, cormo...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24H87_030

Green carpet of plants on Lake Baldeney in Essen, ...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24H96_379

Green carpet of plants on Lake Baldeney in Essen, ...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24H78_254

Green carpet of plants on Lake Baldeney in Essen, ...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24H78_363

Green carpet of plants on Lake Baldeney in Essen, ...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24H90_020

Green carpet of plants on Lake Baldeney in Essen, ...

Mowing boat Nimmersatt, of the Ruhrverband, tries to keep the green plant carpet on the Lake

BRK24H79_428

Mowing boat Nimmersatt, of the Ruhrverband, tries ...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24H83_022

Green carpet of plants on Lake Baldeney in Essen, ...

Green carpet of plants on Lake Baldeney in Essen, proliferating aquatic plant Elodea, waterweed, an

BRK24H78_173

Green carpet of plants on Lake Baldeney in Essen, ...

Ruhrverband mowing boat in action against waterweed, Elodea, an invasive species, green carpet of

BRK24H78_364

Ruhrverband mowing boat in action against waterwee...

Mowing boat Nimmersatt, of the Ruhrverband, tries to keep the green plant carpet on the Lake

BRK24H84_075

Mowing boat Nimmersatt, of the Ruhrverband, tries ...

Buoy on the regatta course on Lake Baldeney, cormorant and heron hang out, the area is colonised by

BRK24H83_021

Buoy on the regatta course on Lake Baldeney, cormo...

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