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Green Algae
Dictyosphaeria cavernosa Because of its large round cells, D. cavernosa is frequently called the "green bubble alga." When it is small it is a hollow sphere, but as it grows it ... completely covers the other seaweeds. Valonia aegagropila V. aegagropila is composed of many elongated grass green tubes that usually have only their ends visible. This seaweed forms hemispherical cushions from ~ to 8 ...
coralreefnetwork.com

GM Pharmaceuticals from Common Green Alga
Science in Society. French Version ISIS Press Release 22/07/05 GM Pharmaceuticals from Common Green Alga Amid widespread protests against using crop plants to produce genetically modified pharmaceuticals, companies are ... gene [1], which is necessary to select for the transformed cells. Risks from the GM alga The claim that the risk from contact with the recombinant products was negligible even in ...
www.i-sis.org.uk

Living Rivers Grand Canyon Campaign
Instead, the Colorado River in Grand Canyon now runs clear and cold, allowing the green alga cladophora to grow and replace the natural warm-water food web. The absence of replenishing sediment is also causing critical beach and sandbar habitat to disappear, and undermining the stability of archaeological sites sacred to ...
www.livingrivers.net

Managing Aquatic Vegetation on the Rideau Canal
An example of a relatively recent ecosystem change is the introduction of zebra mussels to the Rideau Canal. These mussels have increased water clarity and filtered out small algae, allowing a filamentous green alga (Spirogyra), which zebra mussels cannot filter, to explode in number, creating large green blobs in the water. The increase in water clarity due to zebra mussels has also ...
www.rideau-info.com

Coral reefs of Hawai'i
Perhaps a similar mechanism is responsible for the west Maui "algal problem" where species of the green alga Cladophora and the introduced red alga Hypnea are covering corals and killing the reef. Reefs are also damaged by the runoff of terrestrial sediments, which smother and kill reefs (Rogers, 1990). Sugar mills can produce large amounts of ...
coralreefnetwork.com

Discovery.com - Life on the Reef: Today from the Bahamas - Dispatch 12
But in places, the reef seems to be suffocating beneath the blue-green alga Lyngbya, the red macro-alga Spiridia filmentosa, and the abundant Microdictyon marinum. Most of the scientists in this month-long survey from mollusk specialists to plant experts to fish afficianodos have not found their creatures in the ...
discovery.com

Discovery.com - Life on the Reef: Today from the Bahamas - Dispatch 12
But in places, the reef seems to be suffocating beneath the blue-green alga Lyngbya, the red macro-alga Spiridia filmentosa, and the abundant Microdictyon marinum. Most of the scientists in this month-long survey from mollusk specialists to plant experts to fish afficianodos have not found their creatures in the ...
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Exotics Guide
Some shells have bright green alga growing on the spire. In the Atlantic, Littorina saxatilis lives in a variety of habitats, ... up about 90% of the height of the shell. It can be yellow, orange or brown, or rarely green, black or banded. Native Range From boreal/subartic shores in the North Atlantic, including Hudson Bay, ...
exoticsguide.org

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Caulerpa racemosa (Chlorophyta) Features: "Grape-like"- spherical branchlets Thick clusters Light green Tidepools and reef flats Description: Upright branches 1-15 cm high, covered in small, bead ... Ecology: Cladophora sericea is native to Hawai`i and is found on most reefs. This green alga is usually a small part of the biomass of the diverse, highly competitive intertidal ...
hawaii.edu

Avrainvillea amadelpha
Hawai`i Botany Department Marine Algae of Hawai`i Invasive Algae Home Red Algae Green Algae Brown Algae Seagrasses Glossary Avrainvillea amadelpha (Montagne) A. Gepp & E. Gepp 1908 Invasive Alien ... Avrainvillea amadelpha is apparently a fairly recent introduction to Hawai‘i. In established communities, this green alga has invaded and now covers a large part of the substrate, becoming a secondary ...
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