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Descriptive Anatomy and Evolutionary Patterns of Anatomical Diversification in Adenia (Passifloraceae) David J
Aliso: A Journal of Systematic and Evolutionary Botany Volume 27 | Issue 1 Article 3 2009 Descriptive Anatomy and Evolutionary Patterns of Anatomical Diversification in Adenia (Passifloraceae) David J. Hearn University of Arizona, Tucson Follow this and additional works at: http://scholarship.claremont.edu/aliso Part of the Botany Commons, and the Ecology and Evolutionary Biology Commons Recommended Citation Hearn, David J. (2009) "Descriptive Anatomy and Evolutionary Patterns of Anatomical Diversification in Adenia (Passifloraceae)," Aliso: A Journal of Systematic and Evolutionary Botany: Vol. 27: Iss. 1, Article 3. Available at: http://scholarship.claremont.edu/aliso/vol27/iss1/3 Aliso, 27, pp. 13–38 ’ 2009, Rancho Santa Ana Botanic Garden DESCRIPTIVE ANATOMY AND EVOLUTIONARY PATTERNS OF ANATOMICAL DIVERSIFICATION IN ADENIA (PASSIFLORACEAE) DAVID J. HEARN Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, Arizona 85721, USA ([email protected]) ABSTRACT To understand evolutionary patterns and processes that account for anatomical diversity in relation to ecology and life form diversity, anatomy of storage roots and stems of the genus Adenia (Passifloraceae) were analyzed using an explicit phylogenetic context. Over 65,000 measurements are reported for 47 quantitative and qualitative traits from 58 species in the genus. Vestiges of lianous ancestry were apparent throughout the group, as treelets and lianous taxa alike share relatively short, often wide, vessel elements with simple, transverse perforation plates, and alternate lateral wall pitting; fibriform vessel elements, tracheids associated with vessels, and libriform fibers as additional tracheary elements; and well-developed axial parenchyma. Multiple cambial variants were observed, including anomalous parenchyma proliferation, anomalous vascular strands, successive cambia, and a novel type of intraxylary phloem. -
Patterns of Plant Diversity and Endemism in Namibia
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Stellenbosch University SUNScholar Repository Bothalia 36,2: 175-189(2006) Patterns of plant diversity and endemism in Namibia P. CRAVEN* and P VORSTER** Keywords: Namibia, phytogeography, plant endemism ABSTRACT Species richness, endemism and areas that are rich in both species and endemic species were assessed and mapped for Namibia. High species diversity corresponds with zones where species overlap. These are particularly obvious where there are altitudinal variations and in high-lying areas. The endemic flora o f Namibia is rich and diverse. An estimated 16% of the total plant species in Namibia are endemic to the country. Endemics are in a wide variety o f families and sixteen genera are endemic. Factors that increase the likelihood o f endemism are mountains, hot deserts, diversity o f substrates and microclimates. The distribution of plants endemic to Namibia was arranged in three different ways. Firstly, based on a grid count with the phytogeographic value of the species being equal, overall endemism was mapped. Secondly, range restricted plant species were mapped individually and those with congruent distribution patterns were combined. Thirdly, localities that are important for very range-restricted species were identified. The resulting maps of endemism and diversity were compared and found to correspond in many localities. When overall endemism is compared with overall diversity, rich localities may consist o f endemic species with wide ranges. The other methods identify important localities with their own distinctive complement of species. INTRODUCTION (1994). It was based on distributional data per magiste rial district following Merxmiiller (1966-1972), as well Species diversity was traditionally measured by count as other literature. -
Major Vegetation Types of the Soutpansberg Conservancy and the Blouberg Nature Reserve, South Africa
Original Research MAJOR VEGETATION TYPES OF THE SOUTPANSBERG CONSERVANCY AND THE BLOUBERG NATURE RESERVE, SOUTH AFRICA THEO H.C. MOSTERT GEORGE J. BREDENKAMP HANNES L. KLOPPER CORNIE VERWEy 1African Vegetation and Plant Diversity Research Centre Department of Botany University of Pretoria South Africa RACHEL E. MOSTERT Directorate Nature Conservation Gauteng Department of Agriculture Conservation and Environment South Africa NORBERT HAHN1 Correspondence to: Theo Mostert e-mail: [email protected] Postal Address: African Vegetation and Plant Diversity Research Centre, Department of Botany, University of Pretoria, Pretoria, 0002 ABSTRACT The Major Megetation Types (MVT) and plant communities of the Soutpansberg Centre of Endemism are described in detail, with special reference to the Soutpansberg Conservancy and the Blouberg Nature Reserve. Phytosociological data from 442 sample plots were ordinated using a DEtrended CORrespondence ANAlysis (DECORANA) and classified using TWo-Way INdicator SPecies ANalysis (TWINSPAN). The resulting classification was further refined with table-sorting procedures based on the Braun–Blanquet floristic–sociological approach of vegetation classification using MEGATAB. Eight MVT’s were identified and described asEragrostis lehmanniana var. lehmanniana–Sclerocarya birrea subsp. caffra Blouberg Northern Plains Bushveld, Euclea divinorum–Acacia tortilis Blouberg Southern Plains Bushveld, Englerophytum magalismontanum–Combretum molle Blouberg Mountain Bushveld, Adansonia digitata–Acacia nigrescens Soutpansberg -
Capitulo 3 Tesis
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Digital.CSIC 1 Flowering phenology of invasive alien plant species compared to native 2 species in three mediterranean-type ecosystems 3 4 Oscar Godoy*1,4, David M. Richardson2, Fernando Valladares1,3 & Pilar Castro-Díez4 5 6 1 Laboratorio Internacional de Cambio Global (Linc-Global). Instituto de los Recursos 7 Naturales, Centro de Ciencias Medioambientales. CSIC. Serrano 115 dpdo E-28006 8 Madrid Spain. ! 9 2 Centre for Invasion Biology, Department of Botany & Zoology, Stellenbosch 10 University, Private Bag X1, Matieland 7602, South Africa. 11 3 Departamento de Biología y Geología. Área de Biodiversidad & Conservación, 12 Universidad Rey Juan Carlos, ESCET, Tulipán s/n E-28933, Móstoles, Madrid, Spain. 13 4 Departamento Interuniversitario de Ecología. Sección de Alcalá. Edificio de Ciencias. 14 Universidad de Alcalá, E-28871, Alcalá de Henares, Madrid, Spain. 15 16 *Correspondence author: [email protected] 17 18 19 20 21 22 23 24 25 26 27 28 29 1 1 Fenología de floración de las especies de plantas exóticas invasoras en 2 tres ecosistemas mediterráneos en comparación con las especies 3 nativas. 4 5 Resumen 6 • Antecedentes y Objetivos: La fenología de floración es un componente esencial 7 del éxito de las especies invasoras, ya que una elevada fecundidad incrementa su 8 potencial invasor. Por tanto, estudiamos la relación existente entre los patrones 9 de floración de las especies invasoras y nativas en tres regiones con clima 10 mediterráneo: California, España y la Región Sudafricana de El Cabo 11 • Métodos: 227 pares de especies invasoras-nativas fueron utilizados 12 • Resultados clave: Las especies invasoras tienen diferentes patrones de floración 13 en comparación con las especies nativas en las tres regiones. -
Growth and Production of Sesame – Elly Kafiriti and Omari Mponda
SOILS, PLANT GROWTH AND CROP PRODUCTION – Growth And Production of Sesame – Elly Kafiriti and Omari Mponda GROWTH AND PRODUCTION OF SESAME Elly Kafiriti and Omari Mponda Naliendele Agricultural Research Institute, Ministry of Agriculture Food Security and Co-operatives, Mtwara, Tanzania. Keywords: Broadcasting, capsules, drought resistance, intercropping, land clearing, low productivity, pest and diseases, plant residues, self pollination, water logging. Contents 1. Introduction 2. Origin and Distribution 3. Botany 3.1. Cultivars and Classification 3.2. Structure 3.3. Pollination and Propagation 4. Ecology and Growing Conditions 4.1. Climate Requirements 4.2. Soil Requirements 5. Land and Crop Husbandry 5.1. Land Clearing 5.2. Planting and Land Management 5.3. Pests and Diseases 5.4. Crop Forecasting 5.5. Harvesting 6. Milling and Oil Processing 7. Use 8. Production and Trade 9. Perspectives in Sesame Production Glossary Bibliography Biographical Sketch Summary SesameUNESCO is one of the most ancient oil crops – known EOLSS to mankind. It is grown as a rain fed crop throughout the tropics and subtropics. It is a short-day plant but also grows well in long-day areas. The crop thrives best on moderately fertile, well-drained soils with a pH ranging from 5.5SAMPLE to 8.0 and is sensitive to salinity. CHAPTERS Sesame is cultivated both by smallholders and at larger industrial scales. Sesame propagation is by broadcasting or seed drilling in rows. Broadcasting seeds is the most common seeding method used by smallholder farmers. The seeds are often mixed with sand, soil or ash and then broadcast or drilled by hand in small furrows. -
Oberholzeria (Fabaceae Subfam. Faboideae), a New Monotypic Legume Genus from Namibia
RESEARCH ARTICLE Oberholzeria (Fabaceae subfam. Faboideae), a New Monotypic Legume Genus from Namibia Wessel Swanepoel1,2*, M. Marianne le Roux3¤, Martin F. Wojciechowski4, Abraham E. van Wyk2 1 Independent Researcher, Windhoek, Namibia, 2 H. G. W. J. Schweickerdt Herbarium, Department of Plant Science, University of Pretoria, Pretoria, South Africa, 3 Department of Botany and Plant Biotechnology, University of Johannesburg, Johannesburg, South Africa, 4 School of Life Sciences, Arizona a11111 State University, Tempe, Arizona, United States of America ¤ Current address: South African National Biodiversity Institute, Pretoria, South Africa * [email protected] Abstract OPEN ACCESS Oberholzeria etendekaensis, a succulent biennial or short-lived perennial shrublet is de- Citation: Swanepoel W, le Roux MM, Wojciechowski scribed as a new species, and a new monotypic genus. Discovered in 2012, it is a rare spe- MF, van Wyk AE (2015) Oberholzeria (Fabaceae subfam. Faboideae), a New Monotypic Legume cies known only from a single locality in the Kaokoveld Centre of Plant Endemism, north- Genus from Namibia. PLoS ONE 10(3): e0122080. western Namibia. Phylogenetic analyses of molecular sequence data from the plastid matK doi:10.1371/journal.pone.0122080 gene resolves Oberholzeria as the sister group to the Genisteae clade while data from the Academic Editor: Maharaj K Pandit, University of nuclear rDNA ITS region showed that it is sister to a clade comprising both the Crotalarieae Delhi, INDIA and Genisteae clades. Morphological characters diagnostic of the new genus include: 1) Received: October 3, 2014 succulent stems with woody remains; 2) pinnately trifoliolate, fleshy leaves; 3) monadel- Accepted: February 2, 2015 phous stamens in a sheath that is fused above; 4) dimorphic anthers with five long, basifixed anthers alternating with five short, dorsifixed anthers, and 5) pendent, membranous, one- Published: March 27, 2015 seeded, laterally flattened, slightly inflated but indehiscent fruits. -
Drying Kinetics and Chemical Composition of Ceratotheca Sesamoides Endl Leaves
International Journal of Engineering Applied Sciences and Technology, 2020 Vol. 5, Issue 4, ISSN No. 2455-2143, Pages 456-465 Published Online August 2020 in IJEAST (http://www.ijeast.com) DRYING KINETICS AND CHEMICAL COMPOSITION OF CERATOTHECA SESAMOIDES ENDL LEAVES T.A. Morakinyo, C.T. Akanbi, O.I. Adetoye Department of Food Science and Technology, Obafemi Awolowo University, Ile-Ife, Osun Styate, Nigeria Abstract-This study focused on the drying kinetics of (South-western Nigeria), Karkashi (Northern Nigeria), Ceratotheca sesamoides (False sesame) leaves, Tchaba-laba (Guinea Bissau) and Lalu-caminho (Senegal) determination of its proximate and mineral (Bedigian, 2003, Abiodun, 2017). Ceratotheca sesamoides compositions. The leaves of Ceratotheca sesamoides at leaves tolerates heat and drought with high resistance to 88.59% moisture content (wb) were obtained, sorted, adverse conditions, where other vegetables cannot survive. graded and subjected to a thin layer drying operation This characteristic enhances its wild distribution in various using hot air oven at varying drying temperatures of 50, parts of Africa as weed, commonly dispersed by wind and 60 and 70 oC. Drying data obtained were fitted into eight rainfalls (Bedigian, 2003). In Nigeria and Uganda, it is mathematical models; Page, Modified Page, Midili, sown in fields and intercropped with okra, eggplant, Newton, Two-term, Henderson and Pabis, Logarithmic cowpea, amaranth, sorghum, sweet potato and sesame on and Modified Henderson and Pabis. They were well-drained sandy soils (Bedigian, 2004). compared in values according to their coefficients of determination (R2) and Standard Error of Estimate The harvested fresh green leaves are consumed as a (SEE). Results showed that Page model provided the vegetable mixed with groundnut flour, salt and a little hot best fit for the drying of Ceraotheca sesamoides leaves. -
Ficha Catalográfica Online
UNIVERSIDADE ESTADUAL DE CAMPINAS INSTITUTO DE BIOLOGIA – IB SUZANA MARIA DOS SANTOS COSTA SYSTEMATIC STUDIES IN CRYPTANGIEAE (CYPERACEAE) ESTUDOS FILOGENÉTICOS E SISTEMÁTICOS EM CRYPTANGIEAE CAMPINAS, SÃO PAULO 2018 SUZANA MARIA DOS SANTOS COSTA SYSTEMATIC STUDIES IN CRYPTANGIEAE (CYPERACEAE) ESTUDOS FILOGENÉTICOS E SISTEMÁTICOS EM CRYPTANGIEAE Thesis presented to the Institute of Biology of the University of Campinas in partial fulfillment of the requirements for the degree of PhD in Plant Biology Tese apresentada ao Instituto de Biologia da Universidade Estadual de Campinas como parte dos requisitos exigidos para a obtenção do Título de Doutora em Biologia Vegetal ESTE ARQUIVO DIGITAL CORRESPONDE À VERSÃO FINAL DA TESE DEFENDIDA PELA ALUNA Suzana Maria dos Santos Costa E ORIENTADA PELA Profa. Maria do Carmo Estanislau do Amaral (UNICAMP) E CO- ORIENTADA pelo Prof. William Wayt Thomas (NYBG). Orientadora: Maria do Carmo Estanislau do Amaral Co-Orientador: William Wayt Thomas CAMPINAS, SÃO PAULO 2018 Agência(s) de fomento e nº(s) de processo(s): CNPq, 142322/2015-6; CAPES Ficha catalográfica Universidade Estadual de Campinas Biblioteca do Instituto de Biologia Mara Janaina de Oliveira - CRB 8/6972 Costa, Suzana Maria dos Santos, 1987- C823s CosSystematic studies in Cryptangieae (Cyperaceae) / Suzana Maria dos Santos Costa. – Campinas, SP : [s.n.], 2018. CosOrientador: Maria do Carmo Estanislau do Amaral. CosCoorientador: William Wayt Thomas. CosTese (doutorado) – Universidade Estadual de Campinas, Instituto de Biologia. Cos1. Savanas. 2. Campinarana. 3. Campos rupestres. 4. Filogenia - Aspectos moleculares. 5. Cyperaceae. I. Amaral, Maria do Carmo Estanislau do, 1958-. II. Thomas, William Wayt, 1951-. III. Universidade Estadual de Campinas. Instituto de Biologia. IV. Título. -
Las Familias Aizoaceae, Molluginaceae Y Phytolaccaceae (Caryophyllales) En El Estado De Aguascalientes, México
Núm. 46: 27-47 Julio 2018 ISSN electrónico: 2395-9525 Polibotánica ISSN electrónico: 2395-9525 [email protected] Instituto Politécnico Nacional México http:www.polibotanica.mx LAS FAMILIAS AIZOACEAE, MOLLUGINACEAE Y PHYTOLACCACEAE (CARYOPHYLLALES) EN EL ESTADO DE AGUASCALIENTES, MÉXICO THE FAMILIES AIZOACEAE, MOLLUGINACEAE Y PHYTOLACCACEAE (CARYOPHYLLALES) IN THE STATE OF AGUASCALIENTES, MEXICO M.H. Sandoval-Ortega, y M.E. Siqueiros-Delgado LAS FAMILIAS AIZOACEAE, MOLLUGINACEAE Y PHYTOLACCACEAE (CARYOPHYLLALES) EN EL ESTADO DE AGUASCALIENTES, MÉXICO THE FAMILIES AIZOACEAE, MOLLUGINACEAE Y PHYTOLACCACEAE (CARYOPHYLLALES) IN THE STATE OF AGUASCALIENTES, MEXICO. Núm. 46: 27-47 México. Julio 2018 Instituto Politécnico Nacional DOI: 10.18387/polibotanica.46.2 27 Núm. 46: 27-47 Julio 2018 ISSN electrónico: 2395-9525 LAS FAMILIAS AIZOACEAE, MOLLUGINACEAE Y PHYTOLACCACEAE (CARYOPHYLLALES) EN EL ESTADO DE AGUASCALIENTES, MÉXICO THE FAMILIES AIZOACEAE, MOLLUGINACEAE Y PHYTOLACCACEAE (CARYOPHYLLALES) IN THE STATE OF AGUASCALIENTES, MEXICO M.H. Sandoval-Ortega M.E. Siqueiros-Delgado/[email protected] Sandoval-Ortega, M.H., Herbario HUAA, Departamento de Biología, Centro de Ciencias Básicas, y M.E. Siqueiros-Delgado Universidad Autónoma de Aguascalientes. Avenida Universidad 940, Ciudad Universitaria, CP 20131, Aguascalientes, Aguascalientes, México. LAS FAMILIAS AIZOACEAE, MOLLUGINACEAE Y RESUMEN: En el estado de Aguascalientes la familia Aizoaceae está representada por PHYTOLACCACEAE los géneros Trianthema, con la especie T. portulacastrum, y Sesuvium, con S. (CARYOPHYLLALES) EN EL ESTADO DE humifusum, esta última especie es un nuevo registro para el estado y el país. La familia AGUASCALIENTES, Molluginaceae está representada por los géneros Glinus, con la especie G. radiatus, y MÉXICO Mollugo, con M. verticillata. Por último, la familia Phytolaccaceae está representada por dos géneros Phytolacca y Rivina; para el género Phytolacca se reportan las especies P. -
Fruits and Seeds of Genera in the Subfamily Faboideae (Fabaceae)
Fruits and Seeds of United States Department of Genera in the Subfamily Agriculture Agricultural Faboideae (Fabaceae) Research Service Technical Bulletin Number 1890 Volume I December 2003 United States Department of Agriculture Fruits and Seeds of Agricultural Research Genera in the Subfamily Service Technical Bulletin Faboideae (Fabaceae) Number 1890 Volume I Joseph H. Kirkbride, Jr., Charles R. Gunn, and Anna L. Weitzman Fruits of A, Centrolobium paraense E.L.R. Tulasne. B, Laburnum anagyroides F.K. Medikus. C, Adesmia boronoides J.D. Hooker. D, Hippocrepis comosa, C. Linnaeus. E, Campylotropis macrocarpa (A.A. von Bunge) A. Rehder. F, Mucuna urens (C. Linnaeus) F.K. Medikus. G, Phaseolus polystachios (C. Linnaeus) N.L. Britton, E.E. Stern, & F. Poggenburg. H, Medicago orbicularis (C. Linnaeus) B. Bartalini. I, Riedeliella graciliflora H.A.T. Harms. J, Medicago arabica (C. Linnaeus) W. Hudson. Kirkbride is a research botanist, U.S. Department of Agriculture, Agricultural Research Service, Systematic Botany and Mycology Laboratory, BARC West Room 304, Building 011A, Beltsville, MD, 20705-2350 (email = [email protected]). Gunn is a botanist (retired) from Brevard, NC (email = [email protected]). Weitzman is a botanist with the Smithsonian Institution, Department of Botany, Washington, DC. Abstract Kirkbride, Joseph H., Jr., Charles R. Gunn, and Anna L radicle junction, Crotalarieae, cuticle, Cytiseae, Weitzman. 2003. Fruits and seeds of genera in the subfamily Dalbergieae, Daleeae, dehiscence, DELTA, Desmodieae, Faboideae (Fabaceae). U. S. Department of Agriculture, Dipteryxeae, distribution, embryo, embryonic axis, en- Technical Bulletin No. 1890, 1,212 pp. docarp, endosperm, epicarp, epicotyl, Euchresteae, Fabeae, fracture line, follicle, funiculus, Galegeae, Genisteae, Technical identification of fruits and seeds of the economi- gynophore, halo, Hedysareae, hilar groove, hilar groove cally important legume plant family (Fabaceae or lips, hilum, Hypocalypteae, hypocotyl, indehiscent, Leguminosae) is often required of U.S. -
Red Data List Special Edition
Newsletter of the Southern African Botanical Diversity Network Volume 6 No. 3 ISSN 1027-4286 November 2001 Invasive Alien Plants Part 2 Southern Mozambique Expedition Living Plant Collections: Lowveld, Mozambique, Namibia REDSABONET NewsDATA Vol. 6 No. 3 November LIST 2001 SPECIAL EDITION153 c o n t e n t s Red Data List Features Special 157 Profile: Ezekeil Kwembeya ON OUR COVER: 158 Profile: Anthony Mapaura Ferraria schaeferi, a vulnerable 162 Red Data Lists in Southern Namibian near-endemic. 159 Tribute to Paseka Mafa (Photo: G. Owen-Smith) Africa: Past, Present, and Future 190 Proceedings of the GTI Cover Stories 169 Plant Red Data Books and Africa Regional Workshop the National Botanical 195 Herbarium Managers’ 162 Red Data List Special Institute Course 192 Invasive Alien Plants in 170 Mozambique RDL 199 11th SSC Workshop Southern Africa 209 Further Notes on South 196 Announcing the Southern 173 Gauteng Red Data Plant Africa’s Brachystegia Mozambique Expedition Policy spiciformis 202 Living Plant Collections: 175 Swaziland Flora Protection 212 African Botanic Gardens Mozambique Bill Congress for 2002 204 Living Plant Collections: 176 Lesotho’s State of 214 Index Herbariorum Update Namibia Environment Report 206 Living Plant Collections: 178 Marine Fishes: Are IUCN Lowveld, South Africa Red List Criteria Adequate? Book Reviews 179 Evaluating Data Deficient Taxa Against IUCN 223 Flowering Plants of the Criterion B Kalahari Dunes 180 Charcoal Production in 224 Water Plants of Namibia Malawi 225 Trees and Shrubs of the 183 Threatened -
Filogenia E Diversidade Do Gênero Stachytarpheta Vahl (Verbenaceae)
JULIANA SILVA DOS SANTOS FILOGENIA E DIVERSIDADE DO GÊNERO STACHYTARPHETA VAHL (VERBENACEAE) RECIFE – PE 2015 ii UNIVERSIDADE FEDERAL RURAL DE PERNAMBUCO - UFRPE PRÓ-REITORIA DE PESQUISA E PÓS-GRADUAÇÃO - PRPPG DEPARTAMENTO DE BIOLOGIA PROGRAMA DE PÓS-GRADUAÇÃO EM BOTÂNICA - PPGB FILOGENIA E DIVERSIDADE DO GÊNERO STACHYTARPHETA VAHL (VERBENACEAE) Tese apresentada ao Programa de Pós- Graduação em Botânica da Universidade Federal Rural de Pernambuco – PPGB/UFRPE, como requisito para obtenção do título de Doutor em Botânica. Orientadora: Drª. Margareth Ferreira de Sales Co-Orientador: Dr. Cássio van den Berg RECIFE – PE 2015 Ficha catalográfica S237f Santos, Juliana Silva dos Filogenia e diversidade do gênero Stachytarpheta Vahl (Verbenaceae) / Juliana Silva dos Santos. – Recife, 2015. 237 f.: il. Orientadora: Margareth Ferreira de Sales. Tese (Doutorado em Botânica) – Universidade Federal Rural de Pernambuco, Departamento de Biologia, Recife, 2015. Inclui referências, anexo(s) e apêndice(s). 1. Bouchea 2. Duranteae 3. Lamiideas 4. Marcadores nucleares 5. Marcadores plastidiais I. Sales, Margareth Ferreira de, orientadora II. Título CDD 581 iii FILOGENIA E DIVERSIDADE DO GÊNERO STACHYTARPHETA VAHL (VERBENACEAE) JULIANA SILVA DOS SANTOS Presidente da Banca / Orientadora: _______________________________________ Profa. Drª. Margareth Ferreira de Sales (UFRPE) Tese defendida e aprovada pela banca examinadora em: ___/___/_____ ________________________________________________________ Prof. Dr. André Laurênio de Melo (UAST/UFRPE) Titular ________________________________________________________