Types of Seaweed - American Oceans
Typically, seaweed is divided into three groups depending on its pigmentation: Red seaweed: Often known by its scientific name, Rhodophyta, the red algae is a distinct type of seaweed that lives in freshwater lakes, usually on rocky seashores. It gets the red color from the pigment called Chlorophyll A, phycoerythrin, and phycocyanin.
Seaweed descriptions and pictures
Here is a selection of 250 or so of the larger seaweeds from the north-eastern Atlanic, many of which occur in Norway, Britain, Ireland, Atlantic France and Spain, and in Portugal. Web pages have so far been completed for those with links (underlined). Please be patient while the descriptions and pictures are refined.
Meet the seaweed types - Marine Conservation Society
There are over 650 species of seaweed found around the UK and we’re on the lookout for 14 of them. These 14 species were chosen because they're good indicator species – a species whose presence, absence or abundance reflects a specific environmental factor.
Seaweed | Definition, Types, & Facts | Britannica
2024年11月15日 · seaweed, any of the red, green, or brown marine algae that grow along seashores. Seaweeds are generally anchored to the sea bottom or other solid structures by rootlike “ holdfasts,” which perform the sole function of attachment and do not extract nutrients as do the roots of higher plants.
Three Types of Marine Algae (Seaweed) - ThoughtCo
2019年11月29日 · Seaweed is the common name for marine algae. Even though they may look like underwater plants—in some cases, growing in excess of more than 150 feet in length—seaweeds are not plants at all. Instead, marine algae are a group of species from the Protista kingdom that fall into three distinct groups:
A Massive Seaweed Bloom in the Atlantic - NASA Earth Observatory
2023年4月7日 · Nearly every spring and summer since 2011, a giant bloom of seaweed has developed in the central Atlantic Ocean. Patches of floating brown seaweed—known as Sargassum —have stretched from the west coast of Africa to the Gulf of Mexico in what is known as the “ Great Atlantic Sargassum Belt .”
100,000+ Free Seaweed Sea & Seaweed Images - Pixabay
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600+ Free Seaweeds & Nature Images - Pixabay
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The Seaweed Site :: information on marine macroalgae
Most of them are the green (more than 1800 species), brown (about 2000 species) or red (over 7200 species) kinds, samples of which are each illustrated on this page, and most are attached by holdfasts, which generally just have an anchorage function, although a particularly efficient one.
The NHBS Guide to UK Seaweed Identification
2020年7月27日 · Seaweeds, or marine macroalgae, are plant-like organisms that live in coastal areas, usually attached to rocks or other substrates. They are divided into three taxonomic groups: brown, red and green. Broadly speaking, species fall into the group that most closely matches their colour.