Physiological effects of shortterm salinity changes on ruppia maritima. Seasonal variation of the quantitative content in ruppia cirrhosa was examined. Permission is granted to copy, distribute andor modify this image under the terms of the gnu free documentation license, version 1. Healthy seagrass beds were once found throughout the shallow areas of narragansett bay, r. Ruppia maritima is a species of aquatic plant known by the common names beaked tasselweed, widgeon grass, ditchgrass and tassel pondweed. Characterization of polyphenolic content in the aquatic. Cultures were maintained in a base medium consisting of synthetic seawater supplemented with halfstrength murashige and skoog salts and 1% sucrose at ph 5. High amounts of the main compound chicoric acid ca. While oil can have direct impacts on primary producers through toxicity and shading, it. Wooramel river 2 words exact match in snippet view article find links to article estuary that has been mostly unmodified.
Germination and algalfree laboratory culture of widgeon grass,ruppia maritima. Oct 27, 2016 healthy seagrass beds were once found throughout the shallow areas of narragansett bay, r. Wildflowers, nps, samo nra ruppia maritima detail page. In three serial 4 week experiments, production of new rhizome nodes was greatest in half strength murashige and skoog media prepared with distilled water 0%o or 5%o artificial seawater, compared to growth in media made with 10, 15 and 20%o artificial seawater. Aquatic and wetland plants of india pdf free download. Ruppia maritima wikispecies wikispecies, free species. Ruppia, also known as the widgeonweeds, ditch grasses or widgeon grass, is the only extant genus in the family ruppiaceae, with eight known species. Ruppia a genus of aquatic perennial herbs of the family ruppiaceae formerly included in the family potamogetonaceae.
Each plant profile in the database contains nomenclature info, botanical data, plant description, large, highresolution pictures, images and photos of the plants and its parts, detailed information such as uses, history, habitat, and medicinal. This article is brought to you for free and open access by the nebraska academy of sciences at. Ecology of ruppiamaritima l in new hampshire usa tidal marshes by. Pollen ontogeny in ruppia alismatidae international. Ruppiaceae of north america update, database version 2011 acquired. This is the profile for the plant ruppia maritima beaked tassel pondweed ruppja tassalini. Oil spills, such as the deepwater horizon spill in the gulf of mexico, have the potential to dramatically alter coastal food webs through a variety of mechanisms. Taxonomic status of the plant is uncertain, especially in north america.
Ruppia article about ruppia by the free dictionary. For this reason, this species is often propagated for restoration projects, either from seed or by micropropagation bird et al. First record of ruppia maritima in west africa supported by. In these habitats ruppia meadows play an important structural and functional role. In vitro studies of the submerged angiosperm ruppia maritima. Ruppia maritima ruppia marittima o fieno di mare flora. Anthers and developing pollen grains at the sporogenous, microspore mother cell, tetrad, free microspore, and mature grain stages were studied using combined lm, sem, and tem. Germination and algalfree laboratory culture of widgeon grass. This dissertation is brought to you for free and open access by the student scholarship at. Assessing the impacts of salinity and nutrient stress to. Cpr ruppia maritima university of southern mississippi. With nounverb tables for the different cases and tenses links to audio pronunciation and. Widgeon grass has the widest known salinity tolerance of.
Ruppia maritima in the germplasm resources information network grin, u. Science and technology, general hurricanes physiological aspects surveys. Seeds of ruppia maritima have a hard durable seed coat and form a persistent seed bank in the sediments under surrounding parent plants. Inflorescences of ruppia maritima were field collected and anthers prepared for microscopy. It is easy to assemble, operate, transport and store. The morphology of ruppia maritima by graves, arthur harmount, 1879. These are aquatic plants widespread over much of the world. It has been used in mexico for several years without breaking, at depths between 0. The new york flora atlas is a source of information for the distribution of plants within the state, as well as information on plant habitats, associated ecological communities, and taxonomy. He includes only ruppia maritima and regards ruppia cirrhosa as a synonym p.
The atlas of florida plants provides a source of information for the distribution of plants. Authors universally treat the coastal, marine form as r. An ruppia maritima in nahilalakip ha genus nga ruppia, ngan familia nga ruppiaceae. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. Pdf effects of salinity changes on growth of ruppia maritima l. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria.
Ruppia maritima has a wide salinity tolerance and occurs in fresh water, brackish water, marine environments and it can also be abundant in hypo and hypersaline conditions. The morphology of ruppia maritima by graves, arthur harmount, 1879publication date 1908 topics ruppia maritima publisher new haven, conn. Nutritional requirements of the submerged angio sperm ruppia. Molecular analyses revealed the presence of 16 haplotypes in the mediterranean region, one corresponding to ruppia maritima l.
Germination and algalfree laboratory culture of widgeon. Distribution, habitats, and taxonomy of ruppia maritima l. A weed report from the book weed control in natural areas in the western united states this weed report does not constitute a formal recommendation. Ruppia maritima belongs to ruppiaceae or the ditchgrass family and is the only species in the genus native to the hawaiian islands. Seeds can remain viable in the sediment for up to three years kantrud 1991. Flora batava permission granted to use under gfdl by kurt stueber. Specimens of ruppia from all eleven nebraska counties in which it is known fall into two groups. M y illustration shows a plant with long spirally wound fruitbeating stalks which would usually be called ruppia cirrhosa. In addition, eight flavonoids, namely the 3oglucopyranosides and 3ogalactopyranosides, as well as malonylated 3oglycosides of. Despite its scientific name, it is not a marine plant.
A methodology for the isolation ofruppia maritima l. Pdf towards a better understanding of the ruppia maritima. The morphology of ruppia maritima internet archive. Seeds were surface sterilized with 96% ethyl alcohol of ph 2, kept for several months in cold storage at 7c, and subsequently transferred to 25c to induce germination. Dawesecotypic differentiation in populations of ruppia maritima l germinated from seeds and cultured under algaefree laboratory conditions j. Comprehensive phylogenetic analyses of the ruppia maritima complex focusing on taxa from the mediterranean. Transactions of the nebraska academy of sciences and affiliated societies. Unfortunately, the plant no longer inhabits vast areas disturbed by human activities.
Etymology the generic name ruppia is named after heinrich bernhard ruppius 16881719, german botanist and author of flora jenesis. Basic culture conditions are discussed and a vessel of easy maintenance and sterilization forruppia culture in ground. The generic name ruppia was dedicated by linnaeus to the german botanist heinrich bernhard ruppius 16891719 and the specific name. Ruppia maritima initially has rhizomes rooted at nodes in the bottom muck, but plants become free and form submersed mats entangled with green algae. Plants profile for ruppia cirrhosa spiral ditchgrass.
Ruppia maritima is a species of aquatic plant known by the common names widgeongrass, ditchgrass and tassel pondweed. Dawesecotypic differentiation in populations of ruppia maritima l germinated from seeds and cultured under algae free laboratory conditions j. All structured data from the file and property namespaces is available under the creative commons cc0 license. Shortterm spatial variations in the beds of ruppia maritima ruppiaceae and halodule wrightii cymodoceaceae at grand bay national estuarine research reserve, mississippi, usa.
Except for the inflorescence, the plant is completely submerged in the water. Thus, grass shrimp may play a pivotal trophic role in enhancing sav habitat as either top. Download fulltext pdf restoration potential of ruppia maritima and potamogeton perfoliatus by seed in the midchesapeake bay article pdf available july 2004 with 60 reads. Acidsoluble or dissolved carbohydrates including simple sugars, oligosaccha rides, polysaccharides, and derivatives having a free or potentially free radical. What has been observed at malibu lagoon recorded with images and. Shortterm spatial variations in the beds of ruppia maritima. This page was last edited on 22 november 2014, at 06. Files are available under licenses specified on their description page. Department of agriculture agricultural research service. With nounverb tables for the different cases and tenses links to audio pronunciation and relevant forum discussions free vocabulary trainer. Salinity effects were tested on rhizome growth and rooting of ruppia maritima l.
An illustrated flora of the northern united states, canada and the british possessions. In greenwich bay, a highly developed embayment within narragansett bay, ruppia maritima has colonized an area on the northern shore historically dominated by zostera marina. The content of chicoric acid was twofold more in ruppia maritima than in ruppia cirrhosa. Con cool spring and fall months in sediments low in free versely, in. The small, bisexual flowers are in a twoflowered terminal spike. Herein, the polyphenolic content in extracts of ruppia cirrhosa petagna grande and ruppia maritima l. Updated for itis by the flora of north america expertise network, in connection with an update for usda plants 20072010 reference for. The rise of ruppia in seagrass beds 3 characteristics of ruppia maritima wigeongrass, r.
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