Alga Collection (#4)

Seaweed fronds and incoming tide at dawn, Kingsgate Bay, Broadstairs, Kent, England, January

Oarweed (Laminaria digitata) fronds and incoming tide at dawn, Kingsgate Bay, Broadstairs, Kent, England, January

Underwater view of rockpool habitat, Falmouth, Cornwall, England, February

Man collecting seaweed from beach for fertilizer, loading cart pulled by mule, Zapata Peninsula, Matanzas Province, Cuba, March

View of seaweed covered rocks beach at low tide, with 12th Century ruined church in distance at sunrise, St. Marys Church, Reculver, Kent, England, July

View of seaweed on beach at low tide, with 12th Century ruined church in distance at sunrise, New Years Day, St. Marys Church, Reculver, Kent, England, January

Seaweed and rocks on sandy beach, Newquay, Cornwall, England, August

Purple Laver (Porphyra umbilicalis) on rock at low tide, Kimmeridge, Isle of Purbeck, Dorset, England, April

Red Rags Seaweed (Dilsea carnosa) fronds underwater, Pondfield Cove, Isle of Purbeck, Dorset, England, July

Seaweed in rockpool habitat at low tide, Prawle Point, South Devon, England, September

Beanweed (Scytosiphon lomentaria) atttached to rock in shallow water at low tide, Kimmeridge, Isle of Purbeck, Dorset, England, April

False Irish Moss (Mastocarpus stellatus) in underwater habitat, Pondfield Cove, Isle of Purbeck, Dorset, England, July

Discoid Forkweed (Polyides rotundus) growing on rocks underwater, Kimmeridge Bay, Isle of Purbeck, Dorset, England, June

Flat Wrack (Fucus spiralis) exposed on rocks in rockpool habitat at low tide, Prawle Point, South Devon, England, September

Oarweed (Laminaria digitata) fronds, exposed at low tide, Kimmeridge, Isle of Purbeck, Dorset, England, April

Oarweed (Laminaria digitata) close-up of holdfasts and stipes, exposed at low tide, Kimmeridge, Isle of Purbeck, Dorset, England, April

Sea-thong (Himanthalia elongata) and kelp fronds, in underwater habitat, Kimmeridge Bay, Isle of Purbeck, Dorset, England, July

Algal bloom in garden pond, Mendlesham, Suffolk, England, August

Algae amongst rocks in brackish water, High Coast, Gulf of Bothnia, Baltic Sea, Sweden

Furrowed Crab (Xantho hydrophilus) adult, amongst coraline algae, Kimmeridge Bay, Isle of Purbeck, Dorset, England, May

Long-legged Spider Crab (Macropodia sp. ) adult, covered with algae for camouflage, on sandy seabed, Studland Bay
Long-legged Spider Crab (Macropodia sp.) adult, covered with algae for camouflage, on sandy seabed, Studland Bay, Isle of Purbeck, Dorset, England, September

Dog lichen ( Peltigera membranacea ) C017 / 7027
The foliose lichen, Peltigera membranacea (a so-called Dog lichen" ), growing on moss-covered rock in Western Scotland

Protozoan sexual reproduction, SEM Z105 / 0240
Protozoan sexual reproduction. Coloured scanning electron micrograph (SEM) of two Paramecium caudatum protozoa reproducing sexually by a method called conjugation

Paramecium protozoa, SEM Z105 / 0239
Paramecium protozoa. Coloured scanning electron micrograph (SEM) of two Paramecium caudatum protozoa on filaments (green) of Oscillatoria sp. blue-green algae. P

Calcareous phytoplankton fossil, SEM Z100 / 0212
Calcareous phytoplankton fossil. Coloured scanning electron micrograph (SEM) of a fossil of the skeleton (coccosphere) of a coccolithotrope, a small marine algal organism

Diatom, light micrograph C014 / 4673
Diatom. Differential interference contrast micrograph of a Gyrosigma sp. diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Scenedesmus algae, SEM C014 / 1461
Scenedesmus algae. Coloured scanning electron micrograph (SEM) of Scenedesmus sp. algae. Scenedesmus is a nonmotile colonial green algae that has its cells arranged in a row

Beta-carbonic anhydrase molecule F006 / 9286
Beta-carbonic anhydrase, molecular model. This enzyme is from the red algae Porphyridium purpureum. It catalyses the reversible hydration of carbon dioxide

Lichen, SEM C015 / 5082
Lichen, coloured environmental scanning electron micrograph (ESEM). Lichens are symbiotic organisms formed of a fungus and an alga that mutually benefit one another

Algae cell wall, SEM
Algae cell wall. Coloured scanning electron micrograph (SEM) of cellulose microfibrils (strands) in a Chaetomorpha sp. algal cell wall

Tabellaria diatoms, SEM C016 / 9599
Tabellaria diatoms. Coloured scanning electron micrograph (SEM) of a Tabellaria sp. diatom colony. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Coastal wildlife, artwork C016 / 7192
Coastal wildlife. Computer artwork showing the varying forms of wildlife found at different depths on a steep wave-swept Mediterranean coast

Fossil diatom, light micrograph C016 / 8603
Fossil diatom. Darkfield illuminated light micrograph of a fossilised diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Tabellaria diatoms, SEM C016 / 9600
Tabellaria diatoms. Coloured scanning electron micrograph (SEM) of a Tabellaria sp. diatom colony. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Tabellaria diatoms, SEM C016 / 9601
Tabellaria diatoms. Coloured scanning electron micrograph (SEM) of a Tabellaria sp. diatom colony. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Ciliate protozoan ingesting algae. Darkfield illuminated light micrograph of a ciliate protozoan ingesting green algae (green)

Rodinia prehistoric landscape, artwork
Rodinia prehistoric landscape. Artwork showing a landscape at the time of the Rodinia supercontinent (1.1 billion to 750 million years ago) during the Neoproterozoic Era

Haematococcus alga, light micrograph
Haematococcus alga. Differential interference contrast (DIC) micrograph of a Haematococcus sp. green alga. Magnification: x670, when printed 10 centimetres wide

Seaweed farming, Indonesia. Women processing harvested seaweed (red algae) at a small village in Takalar, Sulawesi, Indonesia. This seaweed will be used to make agar agar

Microcoleus cyanobacteria, SEM
Microcoleus cyanobacteria. Coloured scanning electron micrograph (SEM) of Microcoleus sp. filamentous cyanobacteria (blue-green algae). Magnification: x 1300, when printed 10 centimetres wide

Microalgae, light micrograph
Microalgae. Differential interference contrast (DIC) micrograph of Botryococcus braunii (round), and other species of green alga. Magnification: x278, when printed 10 centimetres wide

Seaweed farming, Bali. Farmer working on his seaweed (red algae) farm off the coast of Kutuh, Bali, Indonesia. This seaweed will be used to make agar agar

Haematococcus algae, light micrograph
Haematococcus algae. Differential interference contrast (DIC) micrograph of a colony of Haematococcus sp. green alga. Magnification: x220, when printed 10 centimetres wide

Ciliate protozoan, light micrograph
Ciliate protozoan. Darkfield illuminated light micrograph of a ciliate protozoan, showing green algae (green) that it has ingested

Barents Sea algal bloom, satellite image. North is at top, with land areas outlined in black. Algal blooms (green, top) have formed in the Barents Sea off northern Scandinavia (lower left)

Dried seaweed specimens C016 / 5977
Dried seaweed (Chorda filum) specimens. Herbarium sheet from the collection held at the Natural History Museum, London, UK

Intertidal zone, South Africa C017 / 1933
Intertidal zone. Time-exposure image of the sea lapping at algae-covered intertidal rocks. Photographed at Platbank, Goukamma Marine Protected Area, Western Cape, South Africa

Surf fishing, South Africa C017 / 1934
Surf fishing. Time-exposure image of a man fishing at dusk in the surf amongst algae-covered intertidal rocks. Photographed in the Goukamma Marine Protected Area, Western Cape, South Africa

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"Discovering the Intricate Beauty of Algae: From Ernst Haeckel's Art to 19th-Century Cyanotypes and SEM Images" Immerse yourself in the captivating world of algae, as we delve into its mesmerizing artistry and scientific wonders. Ernst Haeckel, a renowned biologist and artist, showcases the delicate intricacy of diatom algae through his stunning illustrations. These masterpieces reveal the symmetrical beauty hidden within these microscopic organisms. Step back in time with pressed seaweed specimens C016 / 6127 from centuries ago. Preserved meticulously, they offer a glimpse into the diverse forms and colors that algae can take on. The cyanotype technique used during the 19th century captures their essence in ethereal blue hues, adding an enchanting touch to their already fascinating nature. Calcareous phytoplankton observed under scanning electron microscopy (SEM) unravels another layer of algal marvels. Discosphaera tubifera, a coccolithophore species adorned with intricate calcium carbonate plates, showcases nature's architectural genius at work. Dictyota dichotoma emerges as a striking example of brown algae thriving along coastlines worldwide. Its branching structure creates an artistic spectacle underwater while providing essential habitats for marine life. Diatoms continue to amaze us with their geometric patterns when viewed under SEM imaging techniques. Their microscopic beauty is unveiled through meticulous detailing that reveals their remarkable diversity and ecological significance. Venturing further into aquatic realms, Fucus bulbosus or kelp stands tall as one of nature's giants beneath ocean waves. This majestic alga plays a crucial role in coastal ecosystems by offering shelter to numerous marine organisms. Pond life surprises us with its vibrant assortment of microorganisms where diatoms once again steal the show under SEM imaging techniques. Their intricate designs resemble miniature works of art floating amidst water bodies' tranquility.