226 résultats pour : alkaline

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Hiking trails in the Truppacher Heide, Trupbacher Heide nature reserve with heaths and rough

BRK25M14_082

Hiking trails in the Truppacher Heide, Trupbacher ...

Landscape conservation with sheep and goats in the Truppacher Heide, Trupbacher Heide nature

BRK25M14_080

Landscape conservation with sheep and goats in the...

Truppacher Heide, Trupbacher Heide nature reserve with heaths and rough grassland, Siegerland,

BRK25M14_083

Truppacher Heide, Trupbacher Heide nature reserve ...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, Wilnsdorf,

BRK25M27_169

Orange hawkweed, orange-red hawkweed (Hieracium au...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, Wilnsdorf,

BRK25M22_393

Orange hawkweed, orange-red hawkweed (Hieracium au...

Basalt columns on the coast of Scotland, basalt columns, alkaline effusion rock, formation, Great

BRK25L50_496

Basalt columns on the coast of Scotland, basalt co...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, close-up,

BRK25L88_187

Orange hawkweed, orange-red hawkweed (Hieracium au...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, Wilnsdorf,

BRK25L85_485

Orange hawkweed, orange-red hawkweed (Hieracium au...

A rural path leads through a wide landscape with trees and meadows. Heaths and rough grassland

BRK25L28_360

A rural path leads through a wide landscape with t...

Rays of sunlight behind tree trunks in the forest create a peaceful atmosphere. Heaths and rough

BRK25L28_383

Rays of sunlight behind tree trunks in the forest ...

A country lane with an old fence under a cloudy, gloomy evening sky. NSG heaths and rough grassland

BRK25L28_385

A country lane with an old fence under a cloudy, g...

Sheep (Ovis) graze in a meadow with trees and a fence in the foreground. NSG heaths and rough

BRK25L28_392

Sheep (Ovis) graze in a meadow with trees and a fe...

A path leads through a green landscape with purple flowering heath and surrounding forest. Heath

BRK25L28_397

A path leads through a green landscape with purple...

Green hills and meadows with purple heather flowers, along a fenced landscape. Heaths and rough

BRK25L28_403

Green hills and meadows with purple heather flower...

Dry field path with trees on the sides under a clear blue sky. NSG heaths and rough grassland near

BRK25L28_368

Dry field path with trees on the sides under a cle...

Close-up of the tree trunk with purple flowers and grass in the foreground. NSG heaths and rough

BRK25L28_402

Close-up of the tree trunk with purple flowers and...

Sunset behind trees with purple-coloured sky and luminous atmosphere. Heaths and rough grassland

BRK25L28_367

Sunset behind trees with purple-coloured sky and l...

Widespread heathland with a cloudy sky, creating a peaceful atmosphere. Heath and rough grassland

BRK25L28_369

Widespread heathland with a cloudy sky, creating a...

Broad landscape with fields and fences under a clear blue sky. Heaths and rough grassland nature

BRK25L28_379

Broad landscape with fields and fences under a cle...

Tall grasses with a view of a hill under a cloudy sky. NSG heaths and rough grassland near

BRK25L28_381

Tall grasses with a view of a hill under a cloudy ...

Clear sky over a small pond in an autumn landscape with trees. NSG heaths and rough grassland near

BRK25L28_382

Clear sky over a small pond in an autumn landscape...

Gravel path through a rural meadow under a cloudy sky. Natural, peaceful surroundings. NSG heaths

BRK25L28_400

Gravel path through a rural meadow under a cloudy ...

Landscape conservation with sheep and goats in the Truppacher Heide, Trupbacher Heide nature

BRK25L45_469

Landscape conservation with sheep and goats in the...

Green meadow with trees under a blue sky, peaceful rural surroundings. Heaths and rough grassland

BRK25L28_365

Green meadow with trees under a blue sky, peaceful...

Dramatic sky with dark clouds over a field and neighbouring forest, heaths and rough grassland

BRK25L28_374

Dramatic sky with dark clouds over a field and nei...

Green and purple heather spreads across a meadow. Heath and rough grassland nature reserve near

BRK25L28_376

Green and purple heather spreads across a meadow. ...

Small pond with water reflection in a meadow landscape with trees. NSG heaths and rough grassland

BRK25L28_378

Small pond with water reflection in a meadow lands...

Gravel path between fields and trees under a clear blue sky. NSG heaths and rough grassland near

BRK25L28_380

Gravel path between fields and trees under a clear...

Close-up of purple heather flowers amidst tall grasses and blurred background. NSG heaths and rough

BRK25L28_359

Close-up of purple heather flowers amidst tall gra...

Green meadow with trees and cloudy sky, view of hills in the distance. Heaths and rough grassland

BRK25L28_364

Green meadow with trees and cloudy sky, view of hi...

Extensive heathland with brown flowers under a blue sky, surrounded by trees. Heath and rough

BRK25L28_394

Extensive heathland with brown flowers under a blu...

Summer meadow with colourful wildflowers under a clear sky, natural colours dominate the scene.

BRK25L28_404

Summer meadow with colourful wildflowers under a c...

Truppacher Heide, Trupbacher Heide nature reserve with heaths and rough grassland, Siegerland,

BRK25L45_471

Truppacher Heide, Trupbacher Heide nature reserve ...

Colourful flower meadow with a solitary tree under a threatening sky. NSG heaths and rough

BRK25L28_386

Colourful flower meadow with a solitary tree under...

A branch with rowan berries hangs from a tree in front of a golden meadow. Heaths and rough

BRK25L28_390

A branch with rowan berries hangs from a tree in f...

A dirt track through a heath landscape with trees and signs under a blue sky. NSG heathland and

BRK25L28_391

A dirt track through a heath landscape with trees ...

A dusty path winds its way through a heath with brown flowers and scattered trees. Heath and rough

BRK25L28_395

A dusty path winds its way through a heath with br...

Extensive heathland with purple flowers under a blue sky and surrounding trees. Heath and rough

BRK25L28_398

Extensive heathland with purple flowers under a bl...

Several sheep (Ovis) graze peacefully on a large meadow with trees. Heaths and rough grassland

BRK25L28_377

Several sheep (Ovis) graze peacefully on a large m...

A dirt track leads through a purple flowering heath landscape with trees and a blue sky. Heath and

BRK25L28_399

A dirt track leads through a purple flowering heat...

Rural path through a grassy landscape, dramatic cloud formations in the blue sky. NSG heaths and

BRK25L28_405

Rural path through a grassy landscape, dramatic cl...

Colourful path along a summer pasture with blooming flowers and an old wooden fence surrounded by

BRK25L28_358

Colourful path along a summer pasture with bloomin...

Straight field path with trees and fence under a deep blue sky. NSG heathland and rough grassland

BRK25L28_370

Straight field path with trees and fence under a d...

Field path with puddles along a green meadow with trees. NSG heaths and rough grassland near

BRK25L28_384

Field path with puddles along a green meadow with ...

Dramatic cloud formations at sunset, trees silhouetted against a colourful evening sky. Heaths and

BRK25L28_407

Dramatic cloud formations at sunset, trees silhoue...

Blooming heath with purple flowers, surrounded by forest and views of distant mountains. Heath and

BRK25L28_396

Blooming heath with purple flowers, surrounded by ...

Swallowtail caterpillar (Papilio machaon), caterpillar sitting on Wild carrot (Daucus carota), top

BRK25L45_475

Swallowtail caterpillar (Papilio machaon), caterpi...

A path along a meadow with grazing sheep (Ovis) and a fence, NSG Heiden und Magerrasen near

BRK25L28_363

A path along a meadow with grazing sheep (Ovis) an...

Vast landscape with dramatic clouds and a meandering path. Heaths and rough grassland nature

BRK25L28_372

Vast landscape with dramatic clouds and a meanderi...

Dense cloud cover at sunset, atmospheric ambience with silhouettes of trees against a dramatic sky.

BRK25L28_361

Dense cloud cover at sunset, atmospheric ambience ...

Purple flowering heather against a background of trees and meadows, NSG Heiden und Magerrasen near

BRK25L28_362

Purple flowering heather against a background of t...

Wet, muddy path with large puddles and a wooden fence next to it. Heath and rough grassland nature

BRK25L28_373

Wet, muddy path with large puddles and a wooden fe...

Hiking trails in the Truppacher Heide, Trupbacher Heide nature reserve with heaths and rough

BRK25L45_470

Hiking trails in the Truppacher Heide, Trupbacher ...

Tranquil landscape with a dirt track and threatening clouds in the sky. NSG heaths and rough

BRK25L28_387

Tranquil landscape with a dirt track and threateni...

A rural path surrounded by bushes and trees on a sunny day. Heaths and rough grassland nature

BRK25L28_389

A rural path surrounded by bushes and trees on a s...

Trees in a field with a dramatic cloudy sky in blue and yellow tones. Heaths and rough grassland

BRK25L28_366

Trees in a field with a dramatic cloudy sky in blu...

Dramatic, dark clouds drift across a landscape at dusk. Heaths and rough grassland nature reserve

BRK25L28_371

Dramatic, dark clouds drift across a landscape at ...

Vast heathland with purple flowers and green grass under a clear sky, heaths and rough grassland

BRK25L28_375

Vast heathland with purple flowers and green grass...

A single sheep (Ovis) eats grass on a colourful meadow with flowers. Heaths and rough grassland

BRK25L28_388

A single sheep (Ovis) eats grass on a colourful me...

Path with puddles reflecting the sky, lined with trees and a wooden fence. Clouds in the sky.

BRK25L28_401

Path with puddles reflecting the sky, lined with t...

Field path through a grassy landscape with a solitary tree and a blue sky with white clouds. Heaths

BRK25L28_406

Field path through a grassy landscape with a solit...

Meadow full of purple flowering heather and surrounded by tall grasses. Heath and rough grassland

BRK25L28_393

Meadow full of purple flowering heather and surrou...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, close-up,

BRK25L45_341

Orange hawkweed, orange-red hawkweed (Hieracium au...

Meadow bellflower (Campanula patula), blue flower, on a nutrient-poor meadow, Wilnsdorf, North

BRK25L48_341

Meadow bellflower (Campanula patula), blue flower,...

Hieracium lachenalii (Picris hieracioides), hawkweed bittercress, yellow flower on a rough meadow,

BRK25L28_218

Hieracium lachenalii (Picris hieracioides), hawkwe...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, Wilnsdorf,

BRK25L36_277

Orange hawkweed, orange-red hawkweed (Hieracium au...

Hieracium lachenalii (Picris hieracioides), hawkweed bittercress, yellow flower on a rough meadow,

BRK25L23_237

Hieracium lachenalii (Picris hieracioides), hawkwe...

Hieracium lachenalii (Picris hieracioides), hawkweed bitterweed, yellow flower on a rough meadow,

BRK25L28_219

Hieracium lachenalii (Picris hieracioides), hawkwe...

Hieracium lachenalii (Picris hieracioides), hawkweed bitterweed, yellow flower on a rough meadow,

BRK25L23_304

Hieracium lachenalii (Picris hieracioides), hawkwe...

Hieracium lachenalii (Picris hieracioides), hawkweed bitterweed, yellow flower on a rough meadow,

BRK25L39_099

Hieracium lachenalii (Picris hieracioides), hawkwe...

Hieracium lachenalii (Picris hieracioides), hawkweed bitterweed, yellow flower on a rough meadow,

BRK25L28_217

Hieracium lachenalii (Picris hieracioides), hawkwe...

Hieracium lachenalii (Picris hieracioides), hawkweed bittercress, yellow flower on a rough meadow,

BRK25L26_313

Hieracium lachenalii (Picris hieracioides), hawkwe...

Meadow bellflower (Campanula patula), blue flower, on a rough meadow, Wilnsdorf, North

BRK25I53_249

Meadow bellflower (Campanula patula), blue flower,...

Hieracium lachenalii (Picris hieracioides), hawkweed bitterweed, yellow flower on a rough meadow,

BRK25I54_038

Hieracium lachenalii (Picris hieracioides), hawkwe...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, Wilnsdorf,

BRK25I58_377

Orange hawkweed, orange-red hawkweed (Hieracium au...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, Wilnsdorf,

BRK25I59_050

Orange hawkweed, orange-red hawkweed (Hieracium au...

Meadow bellflower (Campanula patula), blue flower, on a rough meadow, Wilnsdorf, North

BRK25I54_020

Meadow bellflower (Campanula patula), blue flower,...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, Wilnsdorf,

BRK25I59_060

Orange hawkweed, orange-red hawkweed (Hieracium au...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, close-up,

BRK25I38_467

Orange hawkweed, orange-red hawkweed (Hieracium au...

Meadow bellflower (Campanula patula), blue flower, on a nutrient-poor meadow, Wilnsdorf, North

BRK25I34_049

Meadow bellflower (Campanula patula), blue flower,...

Radium chemical element, Sign with atomic number and atomic weight, Periodic Table Element

BRK25G65_428

Radium chemical element, Sign with atomic number a...

Curious seabird cage diving with sharks, Oahu, Pacific Ocean, Hawaii, USA

BRK25G60_287

Curious seabird cage diving with sharks, Oahu, Pac...

Barium chemical element, Sign with atomic number and atomic weight, Periodic Table Element

BRK25G70_041

Barium chemical element, Sign with atomic number a...

Portrait of Sir Joshua Reynolds, 1723 - 1792, an English painter, Portrait von Sir Joshua Reynolds,

BRK25G98_452

Portrait of Sir Joshua Reynolds, 1723 - 1792, an E...

Radium chemical element, Sign with atomic number and atomic weight, Periodic Table Element, silver

BRK25G32_109

Radium chemical element, Sign with atomic number a...

USA, California, Mono Lake, Mono Lake, California, USA, North America

BRK25G39_388

USA, California, Mono Lake, Mono Lake, California,...

Multiple used AA alkaline batteries are seen arranged in a pile. Closeup side view from the plus

BRK25F60_034

Multiple used AA alkaline batteries are seen arran...

Meadow bellflower (Campanula patula), blue flower, on a nutrient-poor meadow, Wilnsdorf, North

BRK25F50_272

Meadow bellflower (Campanula patula), blue flower,...

Sir Joshua Reynolds, 1723-1792, englischer Maler

BRK25F65_360

Sir Joshua Reynolds, 1723-1792, englischer Maler

Strontium chemical element, Sign with atomic number and atomic weight, Periodic Table Element,

BRK25F45_387

Strontium chemical element, Sign with atomic numbe...

Chemical experiment at school with dye - acid and base reaction

BRK25F22_360

Chemical experiment at school with dye - acid and ...

The black devil's claw is a lime-loving plant on moor meadows and nutrient-poor grassland. Phyteuma

BRK25F13_357

The black devil's claw is a lime-loving plant on m...

Multiple used AA alkaline batteries are seen arranged in a pile. Closeup front view from the plus

BRK25F36_048

Multiple used AA alkaline batteries are seen arran...

Norman Gate at Windsor Castle, 1767, royal residence at Windsor, Berkshire, England, UK, after Paul

BRK25F19_207

Norman Gate at Windsor Castle, 1767, royal residen...

Norman Gate at Windsor Castle, 1767, royal residence at Windsor, Berkshire, England, UK, after Paul

BRK25F31_293

Norman Gate at Windsor Castle, 1767, royal residen...

Multiple used AA alkaline batteries are seen arranged in a pile. Closeup front view from the plus

BRK25E83_498

Multiple used AA alkaline batteries are seen arran...

Beryllium chemical element, Sign with atomic number and atomic weight, Periodic Table Element

BRK25E98_169

Beryllium chemical element, Sign with atomic numbe...

Chestnut-banded Plover (Charadrius pallidus) foraging in the mud, Lake Natron, Tanzania, Africa

BRK25E62_256

Chestnut-banded Plover (Charadrius pallidus) forag...

Chestnut-banded Plover (Charadrius pallidus) foraging in the mud, Lake Natron, Tanzania, Africa

BRK25E77_304

Chestnut-banded Plover (Charadrius pallidus) forag...

Little Stint (Calidris minuta) foraging, Lake Natron, Tanzania, Africa

BRK25E64_051

Little Stint (Calidris minuta) foraging, Lake Natr...

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