KLASIFIKASI GRACILARIA PDF

Publication details. Gracilaria arcuata Zanardini , pl. 5: fig. 2. Published in: Zanardini, G. ( ”). Plantarum in mari Rubro hucusque collectarum. Plants commonly cm tall, but can be up to 37 cm, and are usually 1 mm wide. Axes terete to markedly flattened, especially basally, with. Gracilaria canaliculata Sonder, Accessed through: World Register of Marine Species at: ?p=taxdetails&id=

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This species is capable of rapid nutrient uptake and growth when environmental conditions This species is capable of rapid nutrient uptake and growth when environmental conditions are favourable Lapointe and Ryther, ; Lapointe et al.

Under high light and nutrient conditions, G. Excessive biomass also causes habitat destruction, oxygen depletion, alteration of trophic structure and biogeochemical cycles, and seagrass die-off Valiela et al.

The bloom formation within its native range suggests that if environmental conditions were suitable invasive behaviour may occur in its non-indigenous range. The first published description of the species now known as Gracilaria tikvahiae was as Sphaerococcus multipartitus var.

Agardh from specimens collected in the North River, New York. Following the transfer of S. Agardh, Harvey made the combination Gracilaria multipartita var. Taylor transferred the variety to Gracilaria foliifera in Evidence mounted that the taxon could not be assigned to Gracilaria foliifera and, inMcLachlan described it as a new species: Axes terete to markedly flattened, especially basally, with short, more slender laterals with spinous branchlets. Morphology can range from thin to thick and entirely flat to terete, with morphologically different specimens often found growing on the same rock Gurgel and Fredericq, Spermatangia in textorii-type sori, scattered over the surface of the thallus.

Under non-stressed conditions G. Cultivated plants sold in markets in Hawaii are characteristically dark green, almost black Abbott, Plants do not adhere well to paper. The species is also reported from the Caribbean and South America Taylor, As this species is capable of forming excessive biomasses in eutrophic coastal waters, G. It was introduced to the Hawaiian Islands for mariculture, and continues to be cultivated there. The species is also a popular ornamental plant in the aquarium trade Littler and Littler, The distribution in this summary table is based on all the information available.

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When several references are cited, they may give conflicting information on the status. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report. Because of its rapid growth by vegetative propagation in aquaculture systems Lapointe, ; Ryther et al.

It can be found from the intertidal to depths of 50 m Dawes and Mathieson,but is most common in shallow waters of m where it can form blooms under favourable environmental conditions, including nutrient enrichment Lapointe, A critical assessment of the systematics of the family Gracilariaceae, based on rbc L sequence analysis, identified nine distinct evolutionary clades within the genus Gracilaria Gurgel and Fredericq, All species in the group display a persistent, large post fertilization fusion cell.

The sexual life history of G. The primary character used to separate G. Marine Red Algae of the Hawaiian Islands. Phylogeny and systematics of the marine algal family Gracilariaceae Gracilariales, Rhodophyta based on small subunit rDNA and its sequences of Atlantic and Pacific species.

Journal of Phycology, 38 3: The effect of salinity on distribution of species of Gracilaria Grev. Seaweed Flora of the Maritimes. Rhodophyta – the Red Algae. Biopress Ltd, pp. In vitro life history of Gracilaria sp. Canadian Journal of Botany, The seaweeds of Florida [ed.

Effects of seawater exchange, pH, and carbon supply on the growth of Gracilaria tikvahiae Rhodophyceae in large-scale cultures. Diversity of benthic marine algae of the Colombian Atlantic. A checklist of the marine macroalgae of the Republic of Trinidada grafilaria Tobago.

Caribbean Marine Studies, 7: The marine algae of New England. Report of the U. Commissioner of Fish and Fisheries for Government Printing Office, pp.

Fredericq S; Norris JN, Morphological studies on some tropical species of Gracilaria Grev. Taxonomy of Economic Seaweeds, with reference to some Pacific and Caribbean species [ed. California Sea Grant College Program, Distribution and identification of an invasive Gracilaria species that is hampering commercial fishing operations in southeaster North Carolina, USA.

A catalog of benthic marine algae and seagrasses of Venezuela.

Fondo Editorial Conicit, pp. Botanica Marina, 56 2: Systematics of the Gracilariaceae Gracilariales, Rhodophyta: Journal of Phycology, Phylogeography of Gracilaria tikvahiae Gracilariaceae, Rhodophyta: A study of genetic discontinuity in a continuously distributed species based on molecular evidence. Hanisak D; Ryther JH, Cultivation biology of Gracilaria tikvahiae in the United States. Harbor Branch Oceanographic Institute, Relationship of nuclear genome size to some reproductive cell parameters in the Florideophycidae Rhodophyta.

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Effects of light and nitrogen on growth rate, pigment content and biochemical composition of Gracilaria foliifera var. Strategies for pulsed nutrient supply to Gracilaria cultures in the Florida Keys: Interactions between concentration and frequency of nutrient pulses.

Phosphorus and nitrogen-limited photosynthesis and growth of Gracilaria tikvahiae Rhodophyceae in the Florida Keys: Harmful Algae, 6 3: Interactions between light and temperature on the physiological ecology of Gracilaria tikvahiae Gigartinales, Rhodophyta. Growth, photosynthesis and respiration. Responses of photosynthesis, respiration, growth, and cellular constituents to hypo-osmotic shock in the red alga Gracilaria tikvahiae. Some aspects of the growth and yield of Gracilaria tikvahiae in culture.

Berkas:Gracilaria multipartita Crouan.jpg

The effects of nitrogen and seawater flow rate on growth and biochemical composition of Gracilaria foliifera var. Interactions between light intensity and temperature on the physiological ecology of Gracilaria tikvahiae Gigartinales, Rhodophyta. Nitrate uptake and levels of pigments and chemical constituents. Submersed plants of the Indian River Lagoon. Offshore Graphics, pp.

A synopsis of New Hampshire seaweeds. A comparison of the nutritional content of Hawaiian Gracilaria species. Taxonomy of Economic Seaweeds with reference to the Pacific and other locations, 9 [ed.

Total dietary fiber content in Hawaiian marine algae. Rhodophyta, Gigartinales, Gracilariaceaefrom the northwestern Atlantic. Peckol P; Rivers JS, Graclaria interactions between the opportunistic macroalgae Cladophora vagabunda Chlorophyta and Gracilaria tikvahiae Rhodophyta under eutrophic conditions. The marine algae of Trinidad, West Indies. Nitrogen uptake and storage by the red alga Gracilaria tikvahiae McLachlan, Seaweeds of gracllaria southeastern United States. Cape Hatteras to Cape Canaveral.

Seamoss Cultivation in the West Indies.

Berkas:Gracilaria multipartita – Wikipedia bahasa Indonesia, ensiklopedia bebas

Marine algae from Long Island. University of Michigan Press, pp. The University of Michigan Press. Marine Algae of the eastern tropical and subtropical coasts of the Americas.

University of Hawaii, Marine Invasives in Hawaii. Macroalgal blooms in shallow estuaries: Seasonal abundance and distribution of drift algae and seagrasses in the mid-Indian River lagoon, Florida.

A checklist of the benthic marine algae of the coast of Texas.