Previously, cox was unable to find an authentic specimen in the ehrenberg collection and therefore proposed to conserve the binomial with a donkin specimen at the bm. O some species of polysiphonia are parasitic example. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Vaucheria is green freshwater alga found in ponds, ditches and wet soil. Diatom, class bacillariophyceae, any member of the algal class bacillariophyceae division chromophyta, with about 16,000 species found in sediments or attached to solid substances in all the waters of earth. Members of the family are best known for their opposite leaves. Prior to 2001 in southern sector the salinity was moder ate 8 20 ppt, in central sector showed a seasonal va riation in salinity level 5 30 ppt and in the northern sector the salinity was low varying from 0. The photosynthetic pigment chlorophyll a, chlorophyll chlorophyll c2, betacarotene, fucoxanthin etc. Mar 29, 20 this is a part of lecture presented by dr. Algaegeneral characteristics and classification online. Each metulla finally terminates into a tuft of uninucleated, bottle shaped branches termed as phialides. Jan 26, 2015 biological and economic importance of algae lecture 6 slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Pigment contents are directly associated with the photosynthetic capability and therefore with the biomass.
Unlike the life cycles of other sexually producing organisms, alternation of generations in land plants and some. Triceratium pentacrinus, arachnoidiscus ehrenbergi. Introduction algae are ubiquitous, practically occurring in every habitable environmental across the globe. Lamiaceae labiatae the mint family lamiaceae 180 genera3500 species distribution worldwide. Decline in the growth could be correlated with negative effect on the growthregulating processes like photosynthesis, nitrogen metabolism, etc. Genus penicillium belongs to ascomycetes group of fungi and is well known for its importance in antibiotic penicillin and food cheese, meet products industry. Possible impacts of wastewater discharge from the university of calabar teaching hospital on the biota of great kwa river, nigeria. Conidiophore branches at the tip and is terminated by a whorl of branches known as metullae. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Get the knowledge you need in order to pass your classes and more. Cell wall is chiefly composed of pectic substances. Home botany life cycle of vaucheria life cycle of vaucheria princess 20.
Charge of major work iowa state university ames, iowa 1980 signature was redacted for privacy. A taxonomy is typically a controlled vocabulary with a hierarchical structure, with the understanding that there are different definitions of a hierarchy. The zygote grows into a specialized spore, the auxospore which enlarge to the size of the parent cell and restores the parental size of the vegetative cell. This video is about algae which belongs to family chara. Thus one daughter is the same size as the parent, and one is slightly smaller. Ppt diatoms powerpoint presentation free to view id. The following points highlight the economic importance of algae. It is not free floating like spirogyra but is mostly attached to substratum by colourless rhizoids or holdfasts.
Bakteri laut tdk akan tumbuh tanpa adanya nacl, krn memerlukan ionion utk menjaga fungsi membran. May 10, 2017 algae are the simplest multicellular plants. Na dan cl diperlukan utk transport aktif beberapa bakteri laut memiliki membran berlapis menyelubungi selnya. The name penicillium is derived from the latin word penicillus meaning brush, which refers to a stalk bearing radiating chains of conidia resembling a broom. The thallus can be either threadlike, like in porphyra where branching arrays assemble, or bladeshaped, like in the genus porphyra to which the edible nori, known from sushi belong. Members of this group are photosynthetic organisms which live primarily in freshwater, though some are found in marine waters, in damp soil, or on tree trunks. Asterionella formosa synedra ulna pinnularia viridis realizat. Convertir powerpoint en pdf convertissez votre ppt en pdf en. Mikroba laut ditandai dengan kemampuan tumbuh pada salinitas 20 40 ppt, dan yang benar2 asli laut mampu mentoleransi salinitas 33 ppt. Nov 01, 2017 the photosynthetic pigment chlorophyll a, chlorophyll chlorophyll c2, betacarotene, fucoxanthin etc.
If you continue browsing the site, you agree to the use of cookies on this website. So do green algae, dinoflagellates, and brown algae. The stalk of the fruiting body is known as conidiophore. Transformez vos presentations microsoft powerpoint en pdf avec ce convertisseur pdf gratuit. Pinnularia borealis 400 1600 0 surrirella oblonga 0 0 400 surrirella ovalis 400 0 0 synedra sp 0 0 0. Distribution of diatoms in riverine, estuarine and coastal. Red algae are mostly found in a marine environment. Though s2 is a riverine station, the salinity range was found to be high at s2 owing to tidal influence especially during premonsoon compared to s1. Many pennate diatoms are, however, curved in various ways and no longer truly symmetrical, but pinnularia retains its basic, outer symmetry the structure is typical of a diatom. Scribd is the worlds largest social reading and publishing site. Algae are usually aquatic, either freshwater or marine and some are terresterial.
Ganggang memiliki beberapa bagian khusus pada struktur selnya, yaitu terdapat. Presentations ppt, key, pdf logging in or signing up. This character doesnt always hold up with the woody species of the family. The map of the sites where the new pinnularia species fig. The usefulness of conserving names to settle uncertainties of typification is discussed.
Assessment of changes in the algal diversity of chilika. Pdf pinnularia aljustrelica sp nov bacillariophyceae, a new. Dinding mereka terdiri dari dua bagian yang disebut katup hipoteka dan epiteka terdapat dua kloroplas hadir di sepanjang sisi sel, dan mengandung klorofil. Membran sel dilengkapi lapisan pelikel yang lentur dibawahnya. O polysiphonia platycarpa is present in the indian coastal regions o polysiphonia violacea is an epiphytic alga grown on some brown algae such as fucus vesiculosus. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Pinnularia is a fresh water alga more specifically a type of bacillariophyta diatom. Dinding sel yang terbuat dari selulosa yang sangat tipis. It contain many minute nuclei present in living layer of cytoplasm surrounding a large central vacuole. Structure and function of the flower powerpoint 2 flowers. Dinding mereka terdiri dari dua bagian yang disebut katup hipoteka dan epiteka. Pinnularia like most diatoms, can reproduce by simple cell division.
Protista mirip hewan protista mirip hewan dapat disebut sebagai zooplankton uniseluler atau protozoa multiseluler. Biol 1030 topic 4 lecture notes mitotic division of a plant spore produces a new multicellular gametophyte. Diatoms are among the most important and prolific microscopic sea organisms and serve directly or indirectly as food for many animals. Nuclear division occurs by mitosis and cell divides into two parts. Chromatophores in pinnularia virids pennales ab and valve view of centric diatoms. In pinnularia two cells from common parent or different parents become enveloped in a common mucilaginous sheath conjugation. Read this essay on pdf, doc come browse our large digital warehouse of free sample essays. Family lamiaceae, an introduction the family is distributed worldwide. Relationship of algae to water pollution and waste water treatment 337 euglena, diatoms, navicula, synedra and blue green algae oscillatoria and phormidium are emphasized to tolerate organic pollution 12. Powerpoint 2000 sp3 and adobe photoshop elements v. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Terms within a taxonomy have relations to other terms within the taxonomy.
Dinding sel tersusun atas zat pectic pada kerangka silika yang kaku. Penicillium produces typical asexual fruiting structures with brush like head. Plants are related to green algae chloroplast similarity plants have cell walls made of cellulose. Concepts trends powerpoint ppt presentations powershow. Chromatophores in pinnularia virids pennales ab and valve view of centric diatoms c.
Each daughter receives one of the parent cells thecae, which becomes that cells epitheca. With breakthroughs for promising technology and rising popularity of blockchain, businesses often fail to keep up with rapid pace of technological evolution. A study of the diatom genus pinnularia in iowa by david charles jackson a dissertation submitted to the graduate faculty in partial fulfillment of the requirements for the degree of doctor of philosophy major. Relationship of algae to water pollution and waste water. A discussion of caloneis and related genera request pdf. Technology trends of 2020 emerging technologiesincluding artificial intelligence, robotics, and bitcoinsare leading new and competitive risks and opportunities. Secondary growth in stems and roots in woody plants, most of which are dicots, secondary growth may occur in the roots or the stems.
At species level, euglena viridis euglenophyta, nitzschia palea bacillariophyta, oscillatoria limosa, o. A number of species is unicellular, but most species are multicellular. As the plant develops functional lateral meristems, that is, the vascular cambium and cork cambium the phellogen, the diameter of roots and stems increases as new tissues are produced. Pdf a new benthic freshwater diatom species belonging to the genus pinnularia ehrenb.
So do green algae, euglenids, and a few dinoflagellates. Polysiphonia fastigiata thallus structure of polysiphonia. It is also present on the moist soil it is unicellular. Many pennate diatoms are, however, curved in various ways and no longer truly symmetrical, but pinnularia retains its basic, outer symmetry. It is a large group of algae consisting of 200 genera and over 10,000 species, out of which 92 genera and.
View concepts trends ppts online, safely and virusfree. Southern, central, northern and outer channel sector. Diatoms are colour due to the presence of carotenoids and an accessory brown pigment called a diatomin. Pinnularia 5 rhizosolenia 6 rhopalodia 5 stauroneis 5 surirella 6 6 1. Ruby singh parmar,head of the department,science,biyani girls college.
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