Essay about Caulerpa taxifolia:
The Mediterranean clone or strain of Caulerpa taxifolia
available substrates, including rock, sand, and mud. The non-invasive form of Caulerpa taxifolia is native to the Caribbean, Indo-Pacific and the Red Sea. In the Mediterranean it has spread into thousands of hectares where it fills the water column with hundreds of tons of plant biomass per hectare. the nickname "killer algae" because of its great success in coastal
Aquarium caulerpa (Caulerpa taxifolia) In Australia. northern Meditierranean waters. Hunt, 1979. Zechman, F.
Thallus non-septate, coenocytic, traversed by trabeculae,
Caulerpa taxifolia has gained worldwide attention and
Nature, Nov. 408:157. In nature Caulerpa Taxifolia Algae will often spread rapidly and crowd out and replace native algae and sea grasses. Its proliferation in recipient communities will be due to several factors including limited grazing effects by native herbivores. The non-invasive form of Caulerpa taxifolia is native to the Caribbean, Indo-Pacific and the Red Sea. article):
Caulerpa taxifolia was officially eradicated from southern California in 2006. The rising branches are also more rounded toward apices,
Caulerpa taxifolia is known to have crowded out the sea grasses in the Mediterranean that had provided food and shelter for a variety of fish and invertebrates, a … Called “killer algae,” it is known as the algae that took over the Mediterranean Sea. Seagrasses
acquisition from sediments in nutrient-poor waters. Caulerpa taxifolia is an invasive marine alga that is widely used as a decorative plant in aquaria. anchoring systems of pleasure boats and by fishing nets.
This species resembles another Hawaiian Caulerpa
or occasionally on frond. Pinnules curve upwards and grow directly opposite each other. Red Algae
Due to the Mediterranean strains high growth rate, toxicity to predators and longevity, C. taxifolia has proven to be very successful in many non-native habitats. Hawaiian Representatives of the Genus
Indigenous to Hawaii. and reef flats. It is a native species in Hawaii where it has not
invasion, this algas spread is associated primarily with human factors. Also, although it also
Branches, feather-like, flattened, and upright, 3 - 10 cm
marine species and a decline in fish biomass in areas where C. taxifolia
However, this common green alga has gained wide notoriety from its large outbreaks after accidental introduction in the Mediterranean and California.
high, rising from a creeping stolon (runner), 1 - 2 mm in diameter, anchored
Phylogenetic analyses of Caulerpa taxifolia (Chlorophyta) and of its associated bacterial microflora provide clues to the origin of the Mediterranean introduction. Caulerpa taxifolia is a species of seaweed, an alga of the genus Caulerpa native to the Pacific Ocean and Caribbean Sea. C. taxifolia grows unchecked in
Caulerpa taxifolia is native to warm tropical waters around the world, such as: the West Indies and Africa (Atlantic Ocean) the coastal waters of Sri Lanka, Pakistan and western Australia (Indian Ocean) the Philippines, Indonesia, Japan, New Caledonia, and northern Australia (Pacific Ocean) California is considering legislation that would ban importation of all
http://www.isima.fr/ecosim/ct.html, Killer Algae Found in Southern California Waters (Woodfield
Caulerpa patches, frond density ranges from 5,100/m2 to 14,000/m2, with the highest densities occurring in the summer. A clone of the species was cultured for display at the Stuttgart Aquarium in Germany and provided to aquariums in France and Monaco. In Hawaii, small patches grow in sandy areas of tidepools
The potential for Caulerpa to invade the Gulf, southern Atlantic, and California coasts is high, 1. the marine alga, Caulerpa taxifolia, is native to the tropical oceans and seas of the world, including Australia, Brazil, Ceylon, Indonesia, Philippines, Tanzania and Vietnam 2. in the early 1980s it was used for decoration in aquaria 3. it was first observed in the Mediterranean Sea in 1984 the ecology of this alga. It can tolerate colder water so you can find elsewhere but it’s native to warm waters. Caulerpa taxifolia is native to northern Australia, the Indian Ocean, the east African coast, the western Pa-cific, Indonesia and the southwest Pacific, Hawaii, and the Caribbean. It grows more rapidly, tolerates cooler water, and grows at greater depth than the native species. Features: Light green. The invasive strain of Caulerpa taxifolia, by spreading over large areas, competes with native species such as sea grass. flattened, slightly curved upwards, tapered at both base and tip, and
it a successful invader. Invasive
environments with no natural predators, such as the Mediterranean Sea. Cryptogamie, Algologie 13(2):144-145 Ceccherelli G, Cinelli F (1997) Short-term effects of nutrient enrichment of the sediment and interactions between the seagrass Cymodocea nodosa and the introduced green alga Caulerpa taxifolia in a Mediterranean bay. A cold-tolerant strain was inadvertently introduced into the Mediterranean Sea in wastewater from the Oceanographic Museum at Monaco, where it has now spread over more than 13,000 hectares of seabed. constricted at point of attachment. The Plants Database includes the following 1 species of Caulerpa . taxifolia. Spread of the introduced tropical green alga Caulerpa taxifolia in
Click below on a thumbnail map or name for species profiles. This main branching structure supports the rhizoids, which resemble roots ( hold fasts ), and blades ( leaves ). Molecular Ecology 10(4):931-946. The tropical and subtropical marine green alga Caulerpa taxifolia has invaded several temperate regions throughout the world, including southeastern Australia. C. sertularioides is more delicate and
has become a serious problem. Caulerpa. C. taxifolia has a number of characteristics that make
The invasive strain is genetically distinct. Branchlets oppositely attached to midrib,
This marine, green alga, was first described by M.Vahl in 1802 as Fucus taxifolius and was regrouped in 1817 by C.Agardh. Gametes liberated through papillae that develop on frond
Environment Alert Bulletin - Caulerpa taxifolia, a Growing Menace for the Temperate Marine Environment (Jan 2004) United Nations Environment Programme. And part of this species success as an
The Situation: Caulerpa taxifolia is an invasive alga that is causing serious environmental problems in the Mediterranean Sea.This invasive weed was discovered in southern California and New South Wales, Australia in 2000. Caulerpa is a sea weed of warm waters, the Caribbean, the Pacific of Hawaii, the India Ocean, and introduced into parts of the Mediterranean. http://nas.er.usgs.gov/algae/caulerpa.htm, Webmaster L. Preskitt firstname.lastname@example.org, http://www.sbg.ac.at/ipk/avstudio/pierofun/ct/caulerpa.htm, http://nas.er.usgs.gov/algae/caulerpa.htm.