This study aimed to discover new natural antioxidant agents, enhalus acoroides l. Fertile plants with male and female flowers or fruits are found throughout the year. Penelitian berjudul pertumbuhan dan produksi lamun cymodocea rotundata dan cymodocea serrulata di kepulauan seribu, dki jakarta, ini dilaksanakan selama bulan junijuli 2011, dengan lokasi spesifik pengambilan. Royle rengasamy ragupathi raja kannan, rajasekaran arumugam, perumal anantharaman cas in marine biology, faculty of marine sciences, annamalai university, parangipettai608 502, india contents lists. Enhalus acoroides is considered a slowgrowing, climax species. Metagenomics studies have reported on the complexity of microbiomes associated with seagrass and can provide critical insights into the sustainable use and conservation of seagrasses. Royle, hereafter referred to as enhalus, is widely distributed in the indian ocean and in the tropical parts of the western paci. Here we assessed the extent of soil corg stocks and accumulation rates in seagrass meadows thalassia hemprichii, enhalus acoroides, halophila stipulacea, thalassodendrum ciliatum and halodule. Free fulltext pdf articles from hundreds of disciplines, all in one place solar radiation and tidal exposure as environmental drivers of enhalus acoroides dominated seagrass meadows pdf paperity toggle navigation. It flowers quite regularly, producing large female flowers on long. The isolated markers provided the polymorphisms of 2 alleles per locus in 3 populations located in japan, china, and the philippines.
Royle is an accepted name this name is the accepted name of a species in the genus enhalus family hydrocharitaceae. Yaakub et al the diversity and distribution of seagrass in singapore 106 mckenzie et al. Using the dualsuppression polymerase chain reaction technique, 12 novel polymorphic nuclear microsatellite dna markers were isolated from the tropical seagrass enhalus acoroides. Pdf population genetic structure of the threatened tropical. Tape seagrass enhalus acoroides on the shores of singapore.
It is the only species of seagrass that does aerial surface pollination in which the pollen and the styles remain dry. All structured data from the file and property namespaces is available under the creative commons cc0 license. Production and biomass of the seagrass enhalus acoroides. First record of the seagrassboring shipworm zachsia sp. Spatiotemporal variation in sexual reproduction of the. Carbon stocks and accumulation rates in red sea seagrass. The female flower has ovary rostrate, six parietal placentas protruding far towards the centre and with long pendunculate spathe consisting also of two free blades. Based on the application of allelochemicals from aquatic plants to inhibit harmful algal blooms habs, we used e. Paper open access fruits of enhalus acoroides as a source. Enhalus acoroides is a large and common species in tropical segrass beds and contributes significantly to total seagrass biomass.
The state of seagrass ecosystems and resources in the. Oct 01, 2008 read antifeedant, antibacterial, and antilarval compounds from the south china sea seagrass enhalus acoroides, botanica marina on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Login to read unlimited books, audiobooks, magazines, snapshots and access to tens of millions of documents. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. Microbiome of two predominant seagrass species of the kenyan. In vitro antioxidant activities of ethanol extract from enhalus acoroides l. Integrated taxonomic information system enac2 wildlife. Antioxidant activity of seagrasses of the mandapam coast, india. Enhalus acoroides is dioecious and able to reproduce sexually and asexually. Fortes marine science institute, college of science university of the philippines diliman, quezon city introduction a major ecosystem threatened by the multiplicity of demands upon the coastal habitar in the tropical region is the seagrass ecosystem. Sakayaroj 3 1department of microbiology and natural products research center of excellence, faculty of science, prince of songkla.
Photos of tape seagrass for free download from wildsingapore flickr. The island is a conglomerate of two islands, pulau semakau and pulau. Development of novel microsatellite markers in a tropical. Positive relationships were observed in the species number and total coverage of seagrsses, but negative relationships were observed in the species, number and. The seagrass bed at pulai river estuary is the largest in malaysia with an approximate size area of 3. Teredinidae in natural and transplanted enhalus acoroides hydrocharitaceae rhizomes in tropical southwest pacific. Pharmacognostical and physicochemical studies of enhalus. Pdf invitro antioxidant activities of enhalus acoroides. The raw seeds are described as crunchy and sweet, while boiled seeds contain more starch and taste like cooked sweet potato montano et al. American journal of botany botanical society of america. The total number of flowers was higher in plot b than in plot a, and the sex ratio was more stable monthly in the continuous plot b 1. It flowers quite regularly, producing large female flowers on long stalks that develop into a furry fruit.
The indomalay archipelago is regarded as a barrier that separates organisms of the indian and pacific oceans. Production and biomass of the seagrass enhalus acoroides l. Royle have been traditionally eaten in the philippines. Additional information has been taken from isaac 1968. Enhalus is surface pollinated with male flowers that detach. Read antifeedant, antibacterial, and antilarval compounds from the south china sea seagrass enhalus acoroides, botanica marina on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Antioxidant activity of seagrasses of the mandapam coast. Page designed through the cooperative efforts of interagency itis teams.
Nitrite is one of the oxides of nitrogen which was significantly inhibited by plant extract through direct competition with oxygen and other oxides of nitrogen in the reaction medium 46. Recent conservation activities in kenya focused mainly on coral reefs and mangrove forests with little direct action taken to conserve seagrass meadows. Additional information has been taken from isaac 1968, kay 1971, kirkman 1975, mcmillan 1980a, b, mcmillan, bridges, kock, and falanruw. Enhalus is a monotypic genus of marine flowering plants. Royle hydrocharitaceae is the largest tropical seagrass species with leaves more than 1 m in length.
However, it is not a legal authority for statutory or regulatory purposes. Ashfree dry weight afdw was determined by combustion at 550. Enhalus acoroides of buru island in maluku nur alim natsir, muhammad rijal abstract. Tropical seagrass as a bioindicator of metal accumulation. Biomonitoring of metal contamination in estuarine ecosystem using seagrass faridahanim ahmad, shamila azman, mohd ismid mohd said and lavania baloo abstract metals concentrations as, cd, cu, hg and pb in seawater, sediment and the seagrass enhalus acoroides were analysed at pulai river estuary, johor straits, malaysia. Pdf fruits of enhalus acoroides as a source of nutrition. Allometric scaling of seagrass form and productivty pdf. Microbiome of two predominant seagrass species of the. It is wideranging in the east indies, north to the yaeyama islands of japan, south to queensland, east to tonga, and west to sri lanka an east african record is likely an error. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. Pdf knowledge of the genetic structure of ecologically important species provides insight into.
Ecological characteristics of tropical seagrasses, especially. Pertumbuhan dan produksi lamun cymodocea rotundata dan. Growing to 1 m long or more, this is the longest seagrass on singapores shores. They are known to be the underlying cause of oxidative stress which is grossly implicated in the pathogenesis of various diseases such as cancer, diabetes. Files are available under licenses specified on their description page. Sakayaroj 3 1department of microbiology and natural products research center of excellence, faculty of science, prince of songkla university, hat yai, songkhla, thailand, 90112. The seagrass filefish, acreichthys tomentosus linnaeus. Advanced photonics journal of applied remote sensing.
Here, we used six microsatellite loci to infer genetic diversity, population differentiation and phylogeographic patterns of enhalus acoroides across the indomalay archipelago. Royle was evaluated for phytochemical constituents and the antioxidant activity against superoxide dismutase sod was assessed. Pulau semakau has the largest bed of tape seagrass that ordinary people can visit. This species is widely distributed in the tropics of the indian ocean and the western pacific ocean. We investigated the effects of acid washing on the carbon and nitrogen composition and stable isotope ratios of c and n in shrimp metapenaeus spp.
Kelebihan yang dimiliki oleh enhalus acoroides yaitu dalam pertumbuhannya terbilang lebih cepat dibandingkan jenis lamun yang lainnya. The record derives from wcsp data supplied on 20120323 which reports it as an accepted name record 309482 with original publication details. Royle is used in traditional medicine for treatment of many diseases e. Heterozygosities were consistently high, and significant isolationbydistance, consistent with restricted gene flow, was observed. The values of the expected heterozygosity fell in the following ranges. Enhalus is large seagrass native to coastal waters of the tropical indian and western pacific oceans. Phytochemical analysis and antioxidants activities of. Antifeedant, antibacterial, and antilarval compounds from the. Elsewhere, tape seagrass is usually seen in clumps sparsely distributed along the shore, usually near coral rubble. Previous studies of marine biota from this region have found a variety of biogeographic barriers, seemingly dependent on taxon and methodology. Penelitian berjudul pertumbuhan dan produksi lamun cymodocea rotundata dan cymodocea serrulata di kepulauan seribu, dki jakarta, ini dilaksanakan selama bulan junijuli 2011, dengan lokasi spesifik pengambilan data lapangan dan contoh lamun bertempat di pulau pramuka untuk cymodocea rotundata dan di pulau panggang untuk cymodocea serrulata. In this study, we collected enhalus acoroides samples from three lagoons and five offshore openwater sites. Evaluation of phytochemical and superoxide dismutase. Enhalus acoroides and zostera marina were clustered in group 4 fig.
Royle rengasamy ragupathi raja kannan, rajasekaran arumugam, perumal anantharaman cas in marine biology, faculty of marine sciences, annamalai university, parangipettai608 502, india contents lists available at sciencedirect. Fiber characteristics and papermaking of seagrass using. Enhalus acoroides create small isolated patches containing 25 to 200 shoots through lateral rhizome spreading. The seagrass filefish, acreichthys tomentosus linnaeus, is featured in the present publication for its incredible ability to match its surroundings. Enhalus acoroides is highly productive in shallow intertidal areas that frequently suffer from anthropogenic disturbances. Diversity and antimicrobial activity of endophytic fungi. Enhalus acoroides is a perennial, marine, submerged, dioecious, rhizomatous, coarse and hairless herb.
Conference proceedings papers presentations journals. Ragupathi raja kannan and others published invitro antioxidant activities of enhalus acoroides find, read and cite all the research you need on researchgate. Morphometric characteristics of two seagrass species. In the philippines, enhalus is one of the most prominent seagrass species in mixed seagrass beds vermaat et al. Antifeedant, antibacterial, and antilarval compounds from. Cymodocea rotundata and cymodoce serrulata are seagrass species found in indonesian water.
One meadow is found near pulau island semakau, an offshore island southwest of singapore island 112. Michelle is an evolutionary biologist who uses a variety of molecular techniques to investigate seagrasses. In vitro antioxidant activities of ethanol extract from. Fruits of enhalus acoroides as a source of nutrition for coastal communities article pdf available in iop conference series earth and environmental science 2351. Ijerph free fulltext growth inhibition of phaeocystis. Pdf this study is a part of transplanting enhalus acoroides carried out from. Strong genetic differentiation in tropical seagrass.
Strong genetic differentiation in tropical seagrass enhalus. The state of seagrass ecosystems and resources in the philippines miguel d. Enhalus acoroides and cymodocea rotundata semantic scholar. Spectral response of healthy and damaged leaves of. Solar radiation and tidal exposure as environmental. Fiber characteristics and papermaking of seagrass using hand. Tape seagrass can be seen on many our undisturbed shores. It is a free radical generated from sodium nitroprusside in aqueous solution at physiological ph and reacts with oxygen to form oxides of nitrogen. Enhalus acoroides merupakan naungan yang penting bagi ikanikan muda departemen kelautan dan perikanan, 2008. Diversity and antimicrobial activity of endophytic fungi isolated from the seagrass enhalus acoroides p. Elsewhere, tape seagrass is usually seen in clumps sparsely distributed along. Phytochemical analysis and antioxidants activities of aqueous. Enhalus acoroides can form single species seagrass monospecific beds or mixed seagrass beds together with other seagrass species 4, 5. Hosted by the usgs core science analytics and synthesis.
Royle from papua new guinea the leaf growth rate, assessed with the marking technique, resulted in a constant rate during the first two months and was subsequently followed by a decrease in leaf growth of 0. Several hypotheses, such as emergence of the sunda shelf and recent physical oceanography, have. The state of seagrass ecosystems and resources in the philippines. Enhalus is a genus of containing only one species, enhalus acoroides, which is the most abundant seagrass species in indonesia. Free radicals are chemically unstable atoms that cause damage to lipid cells, proteins and dna as a result of imbalance between the generation of reactive oxygen species ros and the antioxidant enzymes. Smaller fish preferred to occupy dense seagrass of dominant pioneer smallsized species halodule uninervis and moved to the lesser dense bed of climax largesized seagrass thalassia hemprichii and enhalus acoroides with. Effects of acid washing on stable isotope ratios of c and. Shipworms were found in rhizomes of the seagrass enhalus acoroides growing in natural beds and in a transplanted area, in the spermonde archipelago, eastern indonesia. The difference in accumulation of lead pb and mercury hg in water, sediments, and seagrass enhalus acoroides organs roots, rhizomes, and leaves was found in the waters of kayeli bay, buru island, maluku province. The observations on standing crop, biomass, leaf length, leaf growth and productivity of seagrass e. Royle is a seagrass, in a mono typic genus of marine flowering plants. The seagrass filefish, acreichthys tomentosus linnaeus, a. Selain itu keistimewaan secara ekonomis adalah buah enhalus acoroides dapat dimanfaatkan sebagai. Morphometric characteristics of two seagrass species enhalus.
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