Frequent treatments of sago pondweed foliage with aromatic solvent greatly reduced the number of tubers in the substratum of an irrigation canal. Hosted by the usgs core science analytics and synthesis. Page designed through the cooperative efforts of interagency itis teams. Our results suggest that chara growth can reduce bicarbonate levels, delaying but not preventing a p. Abstractthe effect of density on the growth, recruitment of new ramets, biomass allocation, rhizome spacer length and rhizome branching of the submersed macrophyte potamogeton perfoliatus l. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties.
The fine leaves of potamogeton pectinatus dominate this aquatic community and it is the only constant species. Elongation by darkgrown shoots of potamogeton pectinatus tubers was enhanced by the absence of oxygen. Department of agriculture agricultural research service. A large image of potamogeton pectinatus from the usda plants database. References committee of scientists of the agricultural research service usda 1975 control of water pollution from cropland, vol i.
Pdf early growth characteristics of potamogeton pectinatus l. Accumulation of heavy metals in typha angustifolia l. The reproduction and mode of spread of sago pondweed. Potamogeton pectinatus online atlas of the british and. To further understand the role of bicarbonate, we studied main and interactive effects of chara, light and bicarbonate on p. The fruit morphology of eight species of the genus potamogeton l. The effect of temperature and light on the growth of potamogeton pectinatus l. A study of comparative purification efficiency of two. Macrophyte density or patchiness determines the distribution and agechar. Conventional and isotopic determinations of shorebird. Tracheophyta magnoliopsida potamogetonaceae potamogeton potamogeton pectinatus ecology this rhizomatous, linearleaved aquatic is a characteristic species of eutrophic or brackish waters, where it may form dense stands in lakes, reservoirs, rivers, streams, canals, ditches, ponds and flooded mineral workings. Not like lawn grass, but like crab grass growing wild, with lots of blades coming off a main stock.
The light and temperature dependence of photosynthesis and. Graduate thesis or dissertation the reproduction and. Osterreichische botanische zeitschrift plant systematics and evolution 020. The submerged vegetation in veluwemeer the netherlands has shown large changes over the past 30 years. Abstract in this study, we used a macrophyte model to describe the growth production and the interaction between above. Graduate thesis or dissertation the reproduction and mode. Potamogeton pectinatus is a perennial at a fast rate. During the first two years following transplantation, plant density development varied widely, from a decrease in initial density to an. For more multimedia, look at stuckenia pectinata on wikimedia commons. Stuckenia pectinata is an aquatic herbaceous plant with stems usually up to 100cm long.
Genus potamogeton can be marginal or deep water aquatic perennials, with translucent submerged and leathery floating leaves, and small spikes of inconspicuous flowers held below or just above water level. Because of the high instability of flow of the garonne, significant colonization of macrophytes is limited to years with. Role of potamogeton pectinatus in phytoremediation of metals. View enhanced pdf access article on wiley online library html view download pdf for offline viewing. Van eerden and sjoerd dirksen returningfrom the breeding grounds, bewicks swans show a. Metal toxicity was evident from a decrease in chlorophyll content, increased malondialdehyde mda and electrolyte. This grass looking plant is native to the united states. Density control in potamogeton perfoliatus potamogeton.
Plants profile for stuckenia pectinata sago pondweed. Therefore, in order to promote recolonization of submerged, vascular macrophytes after fish manipulation, p. Potamogeton pectinatus fennelleaved pondweed pfaf plant. It is most often found in water 550 cm deep, but in such habitats the. Sultan marsh is one of the largest and most important wetlands in turkey, middle east and europe, embodying saline and fresh water ecosystems and providing a shelter for 426 bird species. Potamogeton pectinatus fennelleaved pondweed pfaf plant database. Anaerobic conditions strongly promote extension by stems of overwintering tubers of potamogeton pectinatus l jacky e. This plant may be known by one or more common names in different places, and some are listed above. Concentrations of heavy metals cd, pb, cr, ni, zn and cu were measured in bottom sediments, water and typha angustifolia and potamogeton pectinatus in sultan marsh. Analysis of 62 issr loci showed that the number of clones per population is very variable but shows a tendency to decrease with latitude.
Sep 23, 2002 forty populations of potamogeton pectinatus l. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. Author name, integration and application network, university of maryland center for environmental science ian. Values of ph ranging from 69 had no effect on germination of potamogeton pectinatus seeds. Pdf role of potamogeton pectinatus in phytoremediation of. Physiological and metabolic adaptations of potamogeton. Potamogeton crispus, of order najadales, family potamogetonaceae, is a monocotyledonous forb first described by linnaeus in 1753. The genus potamogeton contains approximately 100 species flora of north america editorial committee, 1993 and is cosmopolitan. Other species like potamogeton pectinatus and najas marina are present in more eutrophic waterbodies rebillard 1999.
Large image for potamogeton pectinatus usda plants. Analysis of 62 issr loci showed that the number of clones per population is very variable but shows a tendency to decrease with. This promoting effect was located in the stem and was stronger under water than in a gas phase and also. Download includes an excel spreadsheet of the attributes, and a pdf explaining the background and nomenclature. Effects of four agricultural pesticides on daphnia pulex. This is the profile for the plant potamogeton pectinatus fennel pondweed maltese name not known. I think this plant looks more grass like than the other aquatic plants often referred to as grass like. Potamogeton pectinatus from cervignano del friuli, italy. Bioaccumulation of heavy metals by the aquatic plants potamogeton pectinatus l. The genus name means river neighbor, originating from the greek potamos river and geiton neighbor.
Bewicks swans cygnus columbianus bewickii utilising the. 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. Potamogeton filiformis online atlas of the british and. The rate of plant development and individual plant size from both stands were compared during their. Competition between two submersed aquatic macrophytes. Transactions of the botanical society of edinburgh. To the left is a photo of the first potamogeton i was given.
Saga describes the seasonal development of potamogeton pectinatus l. The species is hermaphrodite has both male and female organs and is pollinated by water. Potamogeton definition and meaning collins english. Pdf phenotypic plasticity in potamogeton potamogetonaceae. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria. Bewicks swans cygnus columbianus bewickii utilising the changing resource of potamogeton pectinatus during autumn in the netherlands jan h. Most are known by the common name pondweed, although many unrelated plants may be called pondweed, such as canadian pondweed elodea canadensis. Sagopondweed, potamot pectine potamogeton pectinatus linnaeus, sp. The restoration of a shallow lake by introducing potamogeton.
Development of potamogeton pectinatus in heated water of the. It is generally completely submersed, except for the reproductive spike that peaks above the water. The intraspecific variation of the phenoplastic species potamogeton pectinatus l. Anaerobic conditions strongly promote extension by stems. This study employed amplified fragment length polymorphism aflp to assess the genetic diversity of potamogeton pectinatus l. Clonal diversity in the submerged macrophyte potamogeton. Rhizome persistent, forming scaly winter buds unions, much branched, with numerous long fine roots arising in whorls from the nodes, the roots bearing long roothairs. Pdf biochemical responses of potamogeton pectinatus l. Identification of species of stuckenia in north america have relied too heavily on leaf blade apex shape. Characterization of two families of tandem repeated dna. Except for the polar regions and pacific islands, this species of pondweed occurs worldwide.
An illustrated flora of the northern united states, canada and the british possessions. The maximum net photosynthetic rate was estimated to be 1. Population differentiation of potamogeton pectinatus in. A study of comparative purification efficiency of two species of potamogeton submerged macrophyte in wastewater treatment parvaiz ahmad lone, ajay kumar bhardwaj, fayaz ahmad bahar department of environmental sciences and limnology, barkatullah university, bhopal. Potamogeton pectinatus, commonly called sago pondweed or fennel pondweed, and sometimes called ribbon weed, is a cosmopolitan water plant species that grows in fresh and brackish water on all continents except antarctica. All structured data from the file and property namespaces is available under the creative commons cc0 license. Stuckenia pectinata most downloaded photo jpg the ianumces symbol and image libraries are provided completely cost and royalty free for any use, with attribution, except redistribution or sales. Growth of the preformed shoot that emerges from the tuber is remarkably tolerant to anoxia, with elongation of the stem occurring faster when oxygen is. Population differentiation of potamogeton pectinatus in the. The photosynthesis and dark respiration of healthy shoots of potamogeton pectinatus l. Potamogeton pectinatus ufifas center for aquatic and.
Potamogeton pectinatus encyclopedia of puget sound. Potamogeton pectinatus fennel pondweedrhs gardening. Potamogeton filiformis pers slenderleaved pondweed. Furthermore, the data suggest that there may be one critical level of secchi depth for the presence of charophytes about 0. Files are available under licenses specified on their description page. In the leyre river, where mobile sands prevail, occur callitriche spp. Growth of the preformed shoot that emerges from the tuber is remarkably tolerant to anoxia, with elongation of the stem occurring faster when oxygen is absent. The two sequence families do not share significant nucleotide sequence similarity, even if an evolutionary relationship between them could be assumed. Potamogeton is a genus of aquatic, mostly freshwater, plants of the family potamogetonaceae. Chemical science rev iew and lette rs issn 22786783. Conventional and isotopic determinations of shorebird diets at an inland stopover.
The rate of individual development and biomass of two subpopulations ofpotamogeton pectinatus were measured in the heated and cool zones of the patnowskie lake in central poland. Click on a scientific name below to expand it in the plants classification report. Tracheophyta magnoliopsida potamogetonaceae potamogeton potamogeton pectinatus. Submerged perennials forming large colonies, found in fresh or brackish water, the upper parts dying down in cold or dry spells. Early growth characteristics of potamogeton pectinatus l. Pdf role of potamogeton pectinatus in phytoremediation. Sago pondweed potamogeton pectinatus the grasslike sago pondweed is a submersed plant that grows from a creeping rhizome. Potamogeton crispus grows entirely as a submersed aquatic plant with no floating leaves. The main channel is inhabited by potamogeton crispus, potamogeton pectinatus, p. Leaves are conspicuously toothed along leaf margins, sessile attached directly to the stem, narrowly oblong, undulate wavy like lasagna noodles with a conspicuous midvein.
Early in the mesocosm experiment, high charophyte densities had a negative effect on p. However, it is not a legal authority for statutory or regulatory purposes. Summers department of agricultural sciences, university of bristol, institute of arable crops research, long ashton research station. Shallow, still or slowmoving, circumneutral to basic water of lakes and rivers. Net photosynthesis and respiration were determined by measuring changes in the oxygen content of solutions containing dilutions of technical grade herbicides. Nine experiments were conducted during 1964 and 1965 to study the methods of reproduction and mode of spread of sago pondweed potamogeton pectinatus in irrigation systems. Conventional and isotopic determinations of shorebird diets. We determined net photosynthesis and respiration rates for sago pondweed potamogeton pectinatus exposed to various concentrations of 11 herbicides widely used in maryland during the past decade.
During the study, both macro and micromorphological characters, including the fruit shape, size, color, and nature of the. Potamogeton pectinatus may simultaneously reproduce sexually and asexually and plays an important role in sustaining freshwater ecosystem. Sago pondweed grows in fresh, brackish, and saline waters throughout the state. 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. Note that the pdf version is the booklet as published, whereas the excel spreadsheet incorporates subsequent corrections. Anaerobic conditions strongly promote extension by stems of. This page was last edited on 8 september 2011, at 08. Pdf on jan 1, 1982, vierssen and others published early growth characteristics of potamogeton pectinatus l.
This third paper on the ecology of potamogeton pectinatus l. Oxbow lakes have diverse and dense macrophyte beds. Plants profile for potamogeton crispus curly pondweed. Pdf role of potamogeton pectinatus in phytoremediation of metals.
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