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Biodiversidad En Campeche Reino Vegetal
Biodiversidad en Campeche Reino Vegetal Macroalgas INTRODUCC I ÓN Las macroalgas son organismos eucariontes multicelulares, fotoau- tótrofos, de arquitectura clonal y estrategia de crecimiento modular, marinos y asociados al sustrato (son bentónicos). Los grupos prin- cipales son las algas verdes (Chlorophyta), las pardas o café (Hete- rokontophyta) y las rojas (Rhodophyta). Constituyen junto a Cyano- bacteria y Eubacteria (Prokaria) grupos evolutivamente ancestrales en Abel Sentíes G. relación, por ejemplo, con las plantas terrestres (quienes comparten y Kurt M. Dreckmann un ancestro común con Chlorophyta). En el mismo tenor, ancestros del tipo rhodophyta, cyanobacteria y eubacteria, a lo largo de eventos endosimbióticos, dieron lugar a la actual organización eucarionte (el primer eucarionte conocido es un fósil del tipo rhodophyta encontrado en rocas de 2.1 billones de años (Brodie y Lewis, 2007). Si bien son grupos morfo-anatómicamente sencillos, las macroalgas despliegan fisiologías y comportamientos reproductivos y ecológicos altamente complejos. DI VERS I DAD El grupo de las algas, en general, puede ser categorizado de acuerdo a su tamaño, en micro y macroalgas. Aquellas que van desde menos de 10 hasta 100 micrometros son consideradas microalgas (forman parte del fitoplancton), y son el objeto de estudio de la microficología, aquellas que van desde las 100 micras (visibles porque miden más de 1 milímetro) a varias decenas de centímetros (como el caso de Macro- 198 La Biodiversidad en Campeche cystis piryfera o kelps que llega a medir más de 30) son categorizadas como macroalgas y son el objeto de estudio de la ficología marina. Al- rededor de 350 000 especies de algas han sido descritas en los últimos 200 años (Brodie y Zucarello, 2007). -
16 Artigo Dyckia Racinae.Indd 1 17/12/2014 10:21:23 398 DORNELES, M.P.; OLIVEIRA, DE J.M.S
Dyckia racinae L.B.Sm. (Bromeliaceae ): morphological description emphasizing the reproductive structures 397 Dyckia racinae L. B. Sm. (Bromeliaceae): morphological description emphasizing the reproductive structures 1 Mariane Paludette Dorneles2, João Marcelo Santos de Oliveira3 & Thais Scotti do Canto-Dorow 4 1 Parte da dissertação de Mestrado da primeira autora no Programa de Pós-graduação em Agrobiologia, Universidade Federal de Santa Maria. 2 Programa de Pós-graduação em Agrobiologia, Universidade Federal de Santa Maria. 3 Universidade Federal de Santa Maria, Centro de Ciências Naturais e Exatas, Departamento de Biologia, Programa de Pós-graduação em Agrobiologia, Av. Roraima s/n, CEP 97105-900, Santa Maria, RS, Brasil - [email protected] 4 Universidade Federal de Santa Maria, Centro de Ciências Naturais e Exatas, Departamento de Biologia, Av. Roraima s/n, CEP 97105-900, Santa Maria, RS, Brasil. Recebido em 20.III.2014. Aceito em 8.X.2014. ABSTRACT – This study presents an analysis of the external morphology and anatomy, especially of the micromorphology of reproductive organs that are important for characterizing Dyckia racinae L.B.Sm. The presence of a parietal U-shaped thickening in the endothecium and in the connective differ from other Dyckia species. Characteristics of pollen grains and ovules, indicated by micromorphology of the sporoderm and structure of the chalazal appendix, respectively, are similar to other species, and useful for characterizing the genus. Preferences for rocky soils, besides leaf characteristics and infl orescence structure, approximate D. racinae to D. cabrerae Smith & Reitz in the main dichotomous keys for the genus. Considering that Dyckia racinae is endemic in Rio Grande do Sul, and that the original description of the species was proposed based on a single cultivated individual, it is clear that the characteristics described in the present study, based on individual species analyzed in their natural environment, are important botanical contributions. -
Filogenia De Tillandsia Subgen. Diaphoranthema Y Evolución De La Autogamia Y La Poliembrionía
Tesis Doctoral Filogenia de Tillandsia subgen. Diaphoranthema y evolución de la autogamia y la poliembrionía Donadío, Sabina 2013-03-21 Este documento forma parte de la colección de tesis doctorales y de maestría de la Biblioteca Central Dr. Luis Federico Leloir, disponible en digital.bl.fcen.uba.ar. Su utilización debe ser acompañada por la cita bibliográfica con reconocimiento de la fuente. This document is part of the doctoral theses collection of the Central Library Dr. Luis Federico Leloir, available in digital.bl.fcen.uba.ar. It should be used accompanied by the corresponding citation acknowledging the source. Cita tipo APA: Donadío, Sabina. (2013-03-21). Filogenia de Tillandsia subgen. Diaphoranthema y evolución de la autogamia y la poliembrionía. Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires. Cita tipo Chicago: Donadío, Sabina. "Filogenia de Tillandsia subgen. Diaphoranthema y evolución de la autogamia y la poliembrionía". Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires. 2013-03-21. Dirección: Biblioteca Central Dr. Luis F. Leloir, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Contacto: [email protected] Intendente Güiraldes 2160 - C1428EGA - Tel. (++54 +11) 4789-9293 Universidad de Buenos Aires Facultad de Ciencias Exactas y Naturales Departamento de Ecología, Genética y Evolución Filogenia de Tillandsia subgen. Diaphoranthema y evolución de la autogamia y la poliembrionía Tesis presentada para optar al título de Doctor de la Universidad de Buenos Aires en el área: CIENCIAS BIOLOGICAS Sabina Donadío Director de tesis: Dr. Raúl Ernesto Pozner Directora Asistente: Dra. Liliana Mónica Giussani Consejera de estudios: Dra. Viviana A. -
Network Scan Data
Selbyana 15: 132-149 CHECKLIST OF VENEZUELAN BROMELIACEAE WITH NOTES ON SPECIES DISTRIBUTION BY STATE AND LEVELS OF ENDEMISM BRUCE K. HOLST Missouri Botanical Garden, P.O. Box 299, St. Louis, Missouri 63166-0299, USA ABSTRACf. A checklist of the 24 genera and 364 native species ofBromeliaceae known from Venezuela is presented, including their occurrence by state and indications of which are endemic to the country. A comparison of the number of genera and species known from Mesoamerica (southern Mexico to Panama), Colombia, Venezuela, the Guianas (Guyana, Suriname, French Guiana), Ecuador, and Peru is presented, as well as a summary of the number of species and endemic species in each Venezuelan state. RESUMEN. Se presenta un listado de los 24 generos y 364 especies nativas de Bromeliaceae que se conocen de Venezuela, junto con sus distribuciones por estado y una indicaci6n cuales son endemicas a Venezuela. Se presenta tambien una comparaci6n del numero de los generos y especies de Mesoamerica (sur de Mexico a Panama), Colombia, Venezuela, las Guayanas (Guyana, Suriname, Guyana Francesa), Ecuador, y Peru, y un resumen del numero de especies y numero de especies endemicas de cada estado de Venezuela. INTRODUCTION Bromeliaceae (Smith 1971), and Revision of the Guayana Highland Bromeliaceae (Smith 1986). The checklist ofVenezuelan Bromeliaceae pre Several additional country records were reported sented below (Appendix 1) adds three genera in works by Smith and Read (1982), Luther (Brewcaria, Neoregelia, and Steyerbromelia) and (1984), Morillo (1986), and Oliva-Esteva and 71 species to the totals for the country since the Steyermark (1987). Author abbreviations used last summary of Venezuelan bromeliads in the in the checklist follow Brummit and Powell Flora de Venezuela series which contained 293 (1992). -
Cbd Convention on Biological Diversity
CBD Distr. CONVENTION ON GENERAL BIOLOGICAL UNEP/CBD/SBSTTA/12/INF/9 DIVERSITY 20 June 2007 ORIGINAL: ENGLISH SUBSIDIARY BODY ON SCIENTIFIC, TECHNICAL AND TECHNOLOGICAL ADVICE Twelfth meeting Paris, France, 2 – 6 July 2007 Item 3.2 of the provisional agenda* THE GLOBAL STRATEGY FOR PLANT CONSERVATION A review of the activities of major partners and organizations in implementing the Global Strategy for Plant Conservation Note by the Executive Secretary I. INTRODUCTION 1. In decision VII/10 the Conference of the Parties welcomed the establishment, by the Executive Secretary, of a flexible coordination mechanism for the Strategy, comprising: liaison groups to be convened as necessary according to established procedures; national focal points, as determined by Parties; the Global Partnership for Plant Conservation; and the Secretariat, including the Programme Officer supported by Botanic Gardens Conservation International. 2. In addition, in Decision VII/10, the COP invited the Commission on Genetic Resources for Food and Agriculture of the Food and Agriculture Organization of the United Nations to consider how the Global Plan of Action for the Conservation and Sustainable Use of Plant Genetic Resources for Food and Agriculture contributes to the implementation of the Strategy, in particular target 9 (“70 per cent of the genetic diversity of crops and other major socio-economically valuable plant species conserved, and associated indigenous and local knowledge maintained”). 3. Also, at the seventh meeting, the welcomed the decisions of the Conference of the Parties and Plants Committee of the Convention on Trade in Endangered Species of Wild Flora and Fauna (CITES) to consider how they can contribute to the implementation of the Strategy, especially regarding target 11 ("No species of wild flora endangered by international trade"). -
Diversity and Levels of Endemism of the Bromeliaceae of Costa Rica – an Updated Checklist
A peer-reviewed open-access journal PhytoKeys 29: 17–62Diversity (2013) and levels of endemism of the Bromeliaceae of Costa Rica... 17 doi: 10.3897/phytokeys.29.4937 CHECKLIST www.phytokeys.com Launched to accelerate biodiversity research Diversity and levels of endemism of the Bromeliaceae of Costa Rica – an updated checklist Daniel A. Cáceres González1,2, Katharina Schulte1,3,4, Marco Schmidt1,2,3, Georg Zizka1,2,3 1 Abteilung Botanik und molekulare Evolutionsforschung, Senckenberg Forschungsinstitut Frankfurt/Main, Germany 2 Institut Ökologie, Evolution & Diversität, Goethe-Universität Frankfurt/Main, Germany 3 Biodive rsität und Klima Forschungszentrum (BiK-F), Frankfurt/Main, Germany 4 Australian Tropical Herbarium & Center for Tropical Biodiversity and Climate Change, James Cook University, Cairns, Australia Corresponding author: Daniel A. Cáceres González ([email protected]) Academic editor: L. Versieux | Received 1 March 2013 | Accepted 28 October 2013 | Published 11 November 2013 Citation: González DAC, Schulte K, Schmidt M, Zizka G (2013) Diversity and levels of endemism of the Bromeliaceae of Costa Rica – an updated checklist. PhytoKeys 29: 17–61. doi: 10.3897/phytokeys.29.4937 This paper is dedicated to the late Harry Luther, a world leader in bromeliad research. Abstract An updated inventory of the Bromeliaceae for Costa Rica is presented including citations of representa- tive specimens for each species. The family comprises 18 genera and 198 species in Costa Rica, 32 spe- cies being endemic to the country. Additional 36 species are endemic to Costa Rica and Panama. Only 4 of the 8 bromeliad subfamilies occur in Costa Rica, with a strong predominance of Tillandsioideae (7 genera/150 spp.; 75.7% of all bromeliad species in Costa Rica). -
Plant-Wonders.Pdf
Assistant Professor, Dept. of Plant Biology & Plant Biotechnology, Guru Nanak College, Velachery, Chennai – 600 042. Seven Wonders of the World - Hanging Garden of Babylon The Garden of Babylon was built in about 600 BC. The Garden of Babylon was on the east bank of Euphrates River, about 50 kms south of Baghdad, Iraq. Ancient stories say King Nebuchadnezzar built the garden for his homesick wife. Unbelievable but real!! Coconut tree of Kerala, India.. Of the many wonders of plants, perhaps the most wonderful is not only that they are so varied and beautiful, but that they are also so clever at feeding themselves. Plants are autotrophs — "self nourishers." Using only energy from the sun, they can take up all the nourishment they need — water, minerals, carbon dioxide — directly from the world around them to manufacture their own roots and stems, leaves and flowers, fruits and seeds. If something is missing from that simple mix — if they don't get enough water, for example, or if the soil is lacking some of the minerals they need — they grow poorly or die. But their diet is limited, a few minerals, some H2O, some CO2, and energy from the sun. Makahiya or Sensitive Plant (Mimosa Pudica) Mimosa pudica or makahiya’s leaflets respond almost instantly to touch heat or wind by folding up and at the same time the petiole droop. The leaves recover after about 15 minutes. The Sensitive Plant is native to Central and South America, and gets it name because its leaflets fold in and droop when they are touched. -
Synonyms Listed in Smith & Downs Monograph (3
SYNONYMS LISTED IN SMITH & DOWNS MONOGRAPH (3 VOLUMES 1974-79) Compiled by DEREK BUTCHER Cultivar Registrar Bromeliad Society International FIRST EDITION Published by The Bromeliad Society International JULY 2006 INTRODUCTION The index in the 3 volumes of the Smith & Downs monograph contains all names used in Bromeliaceae in the history of botany. To find out details about the particular name you have to search for the particular page, which can be frustrating especially if the bold face indicating current name has faded! I decided to go through the three volumes and compile my own list so I could refer to the entry concerned. Names quoted by Lyman Smith are not necessarily legitimate names and some are passing references made in botanical journals. Another problem is in duplication of names such as Aechmea amazonica where the ‘legitimate’ name has become Wittrockia amazonica whereas a passing reference to Aechmea amazonica leads to Aechmea chantinii. Such are the problems of taxonomical synonymy. In my own records of individual Bromeliaceae species I hold details of synonyms under the ‘current’ name. Hence I find this reference list very helpful when reading old documents such as Baker’s Bromeliaceae 1889 and Mez 1935. There is also an increased availability of scans of herbarium specimens on the internet and these are filed mostly under the original name! Derek Butcher Cultivar Registrar Bromeliad Society International [email protected] i Original Name (Old) Synonym Of (New) Abromeitiella abstrusa Abromeitiella lorentziana Abromeitiella chlorantha Abromeitiella brevifolia Abromeitiella pulvinata Abromeitiella brevifolia Acanthospora conantha Guzmania strobilantha Acanthospora juncea Tillandsia juncea Acanthospora Sprengel Tillandsia Acanthostachys ananassoides Ananas ananassoides Acanthostachys exilis Acanthostachys strobilacea Achupalla Puya furfuracea Aechmaea Aechmea Aechmea amazonica Aechmea chantinii Aechmea amazonica Wittrockia amazonica Aechmea ampullacea Aechmea recurvata var. -
Bromeliads Bromeliads Are a Family of Plants (Bromeliaceae, the Pineapple Family) Native to Tropical North and South America
A Horticulture Information article from the Wisconsin Master Gardener website, posted 19 March 2012 Bromeliads Bromeliads are a family of plants (Bromeliaceae, the pineapple family) native to tropical North and South America. Europeans fi rst found out about bromeliads on Columbus’ second trip to the New World in 1493, where the pineapple (Ananas sp.) was being cultivated by the Carib tribe in the West Indies. The commercial pineapple (Ananas comosus) is native to southern Brazil and Paraguay. After the colonization of the New World it was rapidly transported to all areas of the tropics, and now is widely grown in tropical and sub- tropical areas. The only A collection of bromeliads placed on a tree at Costa Flores, Costa Rica. bromeliad to occur north of the tropics is Spanish “moss” (Tillandsia usneoides). It is neither Spanish nor a moss, but an epiphytic bromeliad. It doesn’t look much like a typical Commercial pineapple, Ananas comosus, bromeliad, though, with its long scaly stems and reduced in the fi eld. fl owers. Bromeliads are monocots, many of which, like their grass relatives, have a special form of photosynthesis that uses a variation of the more usual biochemical pathways to allow them to use water more effi ciently. Even though they come from the tropics, this helps those that are epiphytes contend with life in the treetops where there is limited water and a real danger of drying out. There are about 2500 species Many bromeliads are tropical and several thousand hybrids epiphytes. and cultivars. Many have brightly colored leaves, fl owers or fruit, and range in size from moss-like species of Tillandsia to the enormous Puya raimondii from the Andes which produces a fl owering stem up to 15 feet tall. -
Taxonomic Revision of the Chilean Puya Species (Puyoideae
Taxonomic revision of the Chilean Puya species (Puyoideae, Bromeliaceae), with special notes on the Puya alpestris-Puya berteroniana species complex Author(s): Georg Zizka, Julio V. Schneider, Katharina Schulte and Patricio Novoa Source: Brittonia , 1 December 2013, Vol. 65, No. 4 (1 December 2013), pp. 387-407 Published by: Springer on behalf of the New York Botanical Garden Press Stable URL: https://www.jstor.org/stable/24692658 JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at https://about.jstor.org/terms New York Botanical Garden Press and Springer are collaborating with JSTOR to digitize, preserve and extend access to Brittonia This content downloaded from 146.244.165.8 on Sun, 13 Dec 2020 04:26:58 UTC All use subject to https://about.jstor.org/terms Taxonomic revision of the Chilean Puya species (Puyoideae, Bromeliaceae), with special notes on the Puya alpestris-Puya berteroniana species complex Georg Zizka1'2, Julio V. Schneider1'2, Katharina Schulte3, and Patricio Novoa4 1 Botanik und Molekulare Evolutionsforschung, Senckenberg Gesellschaft für Naturforschung and Johann Wolfgang Goethe-Universität, Senckenberganlage 25, 60325, Frankfurt am Main, Germany; e-mail: [email protected]; e-mail: [email protected] 2 Biodiversity and Climate Research Center (BIK-F), Senckenberganlage 25, 60325, Frankfurt am Main, Germany 3 Australian Tropical Herbarium and Tropical Biodiversity and Climate Change Centre, James Cook University, PO Box 6811, Caims, QLD 4870, Australia; e-mail: [email protected] 4 Jardin Botânico Nacional, Camino El Olivar 305, El Salto, Vina del Mar, Chile Abstract. -
The IUCN Red List of Threatened Species™ 2009 Update
The IUCN Red List of Threatened Species™ 2009 update Plant Facts © Antonio Lambe Queen of the Andes Total species assessed in = 12,151 (up by 96 since last year) Total EX or EW = 114 (1%) [EX = 86; EW = 28] Total threatened = 8,500 (70%) [CR = 1,577; EN = 2,316; VU = 4,607] Total NT = 1,076 (9%) Total LR/cd = 238 (2%) [an old category that is gradually being phased out] Total DD = 735 (6%) Total LC = 1,488 (12%) THE IUCN RED LIST OF THREATENED SPECIES™ Queen of the Andes (Puya raimondii) – EN This spectacular plant occurs in the Andes of Peru and Bolivia. Its populations are often very isolated from each other. Thanks to a single enormous subpopulation, which could represent most of the world’s population of this plant, the population size may number 800,000 individuals. Bolivia is estimated to have 30,000-35,000 plants. This speices produces seeds only once in about 80 years or more before dying, and although a mature plant will produce 8–12 million seeds, inclement montane conditions at the time of dispersal, which may also affect pollinating insects, can result in few if any germinations. Moreover, seeds in less than ideal conditions can begin to lose germinating ability after a few months and are also susceptible to damping-off. Because of these factors, a century-old plant may not reproduce at all and will, botanically, have lived in vain. This risk is exacerbated by global warming whose effects on Peru’s glaciers are well established. Climate change may already be impairing Puya raimondii’s ability to flower. -
Supplementary Material What Do Nectarivorous Bats Like? Nectar Composition in Bromeliaceae with Special Emphasis on Bat-Pollinated Species
Supplementary Material What do nectarivorous bats like? Nectar composition in Bromeliaceae with special emphasis on bat-pollinated species Author: Thomas Göttlinger, Michael Schwerdtfeger, Kira Tiedge, Gertrud Lohaus* *Correspondence: Gertrud Lohaus ([email protected]) Supplementary Figure S1: Concentration of sugars (glucose, fructose, sucrose) in nectar of seven genera of Bromeliaceae (Alcantarea (A), Guzmania (B), Pitcairnia (C), Puya (D), Tillandsia (E), Vriesea (F), Werauhia (G)) which include bat-pollinated species. The box plots show medians (horizontal line in box) and means (x in box). Supplementary Material What do nectarivorous bats like? Nectar composition in Bromeliaceae with special emphasis on bat-pollinated species Author: Thomas Göttlinger, Michael Schwerdtfeger, Kira Tiedge, Gertrud Lohaus* *Correspondence: Gertrud Lohaus ([email protected]) Supplementary Figure S2: Concentration of amino acids (ala, arg, asn, asp, gaba, gln, glu, gly, his, iso, leu, lys, met, phe, pro, ser, thr, trp, tyr, val) in nectar of seven genera of Bromeliaceae (Alcantarea (A), Guzmania (B), Pitcairnia (C), Puya (D), Tillandsia (E), Vriesea (F), Werauhia (G)), which include bat-pollinated species. The box plots show medians (horizontal line in box) and means (x in box). Supplementary Material What do nectarivorous bats like? Nectar composition in Bromeliaceae with special emphasis on bat-pollinated species Author: Thomas Göttlinger, Michael Schwerdtfeger, Kira Tiedge, Gertrud Lohaus* *Correspondence: Gertrud Lohaus ([email protected]) Supplementary Figure S3: Cation concentrations (Ca2+, K+, Na+, Mg2+) in nectar of seven genera of Bromeliaceae (Alcantarea (A), Guzmania (B), Pitcairnia (C), Puya (D), Tillandsia (E), Vriesea (F), Werauhia (G)), which include bat-pollinated species. The box plots show medians (horizontal line in box) and means (x in box).