Estudo Da Germinacao De Sementes E Desenvolvimento De Muda Acompanhadode Descricoes Morfologicas De Dez Especies Arboreas Ocorrentes No Semi Arido Nordestino

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Estudo da germinacao de sementes e desenvolvimento de muda acompanhadode descricoes morfologicas, de dez especies arboreas ocorrentes no semi-arido nordestino

Author : A. L. P. Feliciano
Publisher :
ISBN 13 :
Total Pages : 114 pages
Book Rating : 4.:/5 (78 download)

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Book Synopsis Estudo da germinacao de sementes e desenvolvimento de muda acompanhadode descricoes morfologicas, de dez especies arboreas ocorrentes no semi-arido nordestino by : A. L. P. Feliciano

Download or read book Estudo da germinacao de sementes e desenvolvimento de muda acompanhadode descricoes morfologicas, de dez especies arboreas ocorrentes no semi-arido nordestino written by A. L. P. Feliciano and published by . This book was released on 1989 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: O presente trabalho contem descricoes e informacoes de caracteres morfologicos de sementes, plantulas e mudas, de dez especies arboreas de ocorrencia natural na regiao semi-arida do Nordeste, obtidas atraves de germinacao de sementes. As especies estudadas foram Acacia langsdorffii Benth.-"angico-branco", Atronium urundeuva (Fr. All.) Engl.-"aroeira", Schinopsis brasiliensis Engl.-"barauna", Cnidoscolus phyllacanthus (Muell. Arg.) Pax et K. Hoffm.-"favela", Amburana cearensis (Fr. All.) A.C. Smith.-"imburana-de-cheiro", Caesalpinia ferrea Mart. ex Tull.-"juca", Pithecellobium foliolosum Benth.-"jurema-branca", Mimosa aff. acutistipula Benth.-"jurema-preta", Bauhinia cheilantha Steud.-"mororo" e Mimosa caesalpiniaefolia Benth.-"sabia". Com base nos resultados obtidos no estudo, elaboraram-se tres chaves dicotomicas, respectivamente, para sementes, plantulas e mudas, permitindo a identificacao das especies estudadas. Foram feitas, tambem, ilustracoes para cada fase de desenvolvimento, as quais, conjuntamente com as descricoes, fornecerao subsidios para se elaborar, posteriormente, um manual de campo, visando ao reconhecimento mais pratico dessas especies, mesmo se ocorrentes em vegetacoes densas. Deste trabalho pode-se concluir que: a morfologia interna e externa das sementes, aliada as observacoes das plantulas e das mudas, permite fazer identificacao imediata e segura: as caracteristicas internas das sementes podem facilitar a propagacao das especies; o conhecimento mais profundo de algumas especies (...).

Brazilian journal of botany

Author :
Publisher :
ISBN 13 :
Total Pages : 792 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Brazilian journal of botany by :

Download or read book Brazilian journal of botany written by and published by . This book was released on 2008 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Acta amazonica

Author :
Publisher :
ISBN 13 :
Total Pages : 764 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Acta amazonica by :

Download or read book Acta amazonica written by and published by . This book was released on 2004 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt: Each issue to contain material in each of seven subject fields: botany, forestry research, environmental sciences, phytochemistry, tropical medicine, zoology and technology.

Naturalia

Author :
Publisher :
ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.:/5 ( download)

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Download or read book Naturalia written by and published by . This book was released on 1999 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A germinacao das sementes

Author : Luiz Gouvêa Labouriau
Publisher : Organization of American States
ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.A/5 ( download)

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Book Synopsis A germinacao das sementes by : Luiz Gouvêa Labouriau

Download or read book A germinacao das sementes written by Luiz Gouvêa Labouriau and published by Organization of American States. This book was released on 1983 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Morfologia da semente e da germinacao de 25 especies arboreas de uma floresta com Araucaria

Author : Y. Kuniyoshi
Publisher :
ISBN 13 :
Total Pages : 233 pages
Book Rating : 4.:/5 (78 download)

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Book Synopsis Morfologia da semente e da germinacao de 25 especies arboreas de uma floresta com Araucaria by : Y. Kuniyoshi

Download or read book Morfologia da semente e da germinacao de 25 especies arboreas de uma floresta com Araucaria written by Y. Kuniyoshi and published by . This book was released on 1983 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: Este estudo tem por objetivo: 1) descrever e ilustrar os caracteres morfologicos externos e internos das sementes; 2) indicar metodologia para descricao de sementes e plantulas; c) informar sobre frutificacao, tipo de disseminacao, epoca e metodo de coleta, caracteristicas de germinacao; d) elaborar chaves dicotonicas de identificacao para sementes e plantulas.

Descrição morfológica de sementes, de plântulas e de mudas de 10 espécies arbóreas pioneiras, na microrregião de Viçosa, Minas Gerais

Author : Maria Madalena Ferreira Chaves
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (467 download)

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Book Synopsis Descrição morfológica de sementes, de plântulas e de mudas de 10 espécies arbóreas pioneiras, na microrregião de Viçosa, Minas Gerais by : Maria Madalena Ferreira Chaves

Download or read book Descrição morfológica de sementes, de plântulas e de mudas de 10 espécies arbóreas pioneiras, na microrregião de Viçosa, Minas Gerais written by Maria Madalena Ferreira Chaves and published by . This book was released on 1994 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Tropical Rain Forests

Author : Richard T. Corlett
Publisher : John Wiley & Sons
ISBN 13 : 144439228X
Total Pages : 485 pages
Book Rating : 4.4/5 (443 download)

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Book Synopsis Tropical Rain Forests by : Richard T. Corlett

Download or read book Tropical Rain Forests written by Richard T. Corlett and published by John Wiley & Sons. This book was released on 2011-03-03 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first edition of Tropical Rain Forests: an Ecological and Biogeographical Comparison exploded the myth of ‘the rain forest’ as a single, uniform entity. In reality, the major tropical rain forest regions, in tropical America, Africa, Southeast Asia, Madagascar, and New Guinea, have as many differences as similarities, as a result of their isolation from each other during the evolution of their floras and faunas. This new edition reinforces this message with new examples from recent and on-going research. After an introduction to the environments and geological histories of the major rain forest regions, subsequent chapters focus on plants, primates, carnivores and plant-eaters, birds, fruit bats and gliding animals, and insects, with an emphasis on the ecological and biogeographical differences between regions. This is followed by a new chapter on the unique tropical rain forests of oceanic islands. The final chapter, which has been completely rewritten, deals with the impacts of people on tropical rain forests and discusses possible conservation strategies that take into account the differences highlighted in the previous chapters. This exciting and very readable book, illustrated throughout with color photographs, will be invaluable reading for undergraduate students in a wide range of courses as well as an authoritative reference for graduate and professional ecologists, conservationists, and interested amateurs.

A Preliminary Polypore Flora of East Africa

Author : Inger Johansen
Publisher :
ISBN 13 :
Total Pages : 656 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis A Preliminary Polypore Flora of East Africa by : Inger Johansen

Download or read book A Preliminary Polypore Flora of East Africa written by Inger Johansen and published by . This book was released on 1980 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Soil Salinity Assessment

Author : J. D. Rhoades
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251042816
Total Pages : 172 pages
Book Rating : 4.0/5 (428 download)

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Book Synopsis Soil Salinity Assessment by : J. D. Rhoades

Download or read book Soil Salinity Assessment written by J. D. Rhoades and published by Food & Agriculture Org.. This book was released on 1999 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: Determination of soil salinity from aqueous electrical conductivity; determination of soil salinity from soil-paste and bulk soil electrical conductivity; example uses of salinity assessment technology; operational and equipment costs associated with salinity instrumentation measurement techniques.

The Palms of the Amazon

Author : Andrew Henderson
Publisher :
ISBN 13 :
Total Pages : 398 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis The Palms of the Amazon by : Andrew Henderson

Download or read book The Palms of the Amazon written by Andrew Henderson and published by . This book was released on 1995 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: The palms are among the most abundant, diverse, and important families of plants found in the Amazon. Based on extensive field work, this book provides a systematic treatment of all palms that occur naturally in the Amazon region. Each species is exhaustively described with reviews of their distribution, habitat, and ecology. Introductory chapters describe the physical setting of the Amazon region as well as on the biogeography and ecology of the palm family. This first modern treatment of the 135 species of Amazon palms provides a definitive account of their ecology, uses, and biogeography. It will be welcomed by students, teachers, and researchers of botany, ecology, agronomy, and conservation biology.

Deep Plowing and Subsoiling

Author : Andrew Hamilton Wright
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Deep Plowing and Subsoiling by : Andrew Hamilton Wright

Download or read book Deep Plowing and Subsoiling written by Andrew Hamilton Wright and published by . This book was released on 1914 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Vegetation of the Earth and Ecological Systems of the Geo-biosphere

Author : Heinrich Walter
Publisher : Springer Science & Business Media
ISBN 13 : 1468404687
Total Pages : 295 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis Vegetation of the Earth and Ecological Systems of the Geo-biosphere by : Heinrich Walter

Download or read book Vegetation of the Earth and Ecological Systems of the Geo-biosphere written by Heinrich Walter and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phytomass and Primary Production of the Various Vegetational Zones and of the Entire Biosphere The biosphere is that thin layer at the earth's surface in which living organisms exist and biological cycling takes place. It includes the upper horizons of the soil in which plants root, the atmosphere near the ground, (insofar as organisms penetrate this space), and all the surface waters. More than 99% of the earth's biomass is phytomass, to which we shall limit our discussion. Amounts of phytomass are distinctly related to vegeta tional zones. Because accurate determination of phytomass and primary production is difficult, only gross estimates have been available until recently. However, in 1970, Bazilevich et al. published (in Russian) more accurate calculations, based on the rapidly accumulating literature, for the various thermal zones and bioclimatic regions of the earth. These authors calculated mean phyto mass and mean annual primary production for the various regions as dry mass (in tons) per hectare. On the basis of measurements of the areas covered by the individual regions, excluding rivers, lakes, glaciers, and permanent snow, total phytomass and total annual primary production for the various regions were obtained (see table). The sum of these figures is the phytomass and annual production of the land surface of the earth. In addition, the table gives corresponding data for the waters of the earth. The values involved are potential i. e. , they are based on natural vegetation uninfluenced by man.

Climate Dynamics of the Tropics

Author : S. Hastenrath
Publisher : Springer Science & Business Media
ISBN 13 : 9401131562
Total Pages : 507 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Climate Dynamics of the Tropics by : S. Hastenrath

Download or read book Climate Dynamics of the Tropics written by S. Hastenrath and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first edition of my book "Climate and Circulation of the Tropics" was reasonably up to date to the middle of 1985. In a second printing in 1988 it was possible to complete a few literature references and to correct some misprints. However, vigorous research has taken place over the past five years in various areas of tropical climate dynamics, especially in the atmosphere-ocean mechanisms of climate anomalies, climate prediction, ocean circulation, and paleoclimates. Promising progress has also been made in the application of general circulation modelling to tropical climate problems. In the present second edition, named "Climate Dynamics of the Tropics", I have attempted to incorporate much of the recent work to late 1990. Chapters 8 and 9 have been essentially re-written, and major additions have been made to Chapters 4 and 12 in particular. I would like to acknowledge the continued support by the U.S. National Science Foundation over the past five years. B. Parthasarathy, Poona, and H. Lessmann, San Salvador, sent me updates of data series not easily accessible. I have benefitted from discussions with numerous colleagues in the United States and overseas. In the preparation of this second edition, Marilyn Wolff patiently transferred my illegible hand-written drafts onto word processor. Dierk Polzin and Dan Skemp assisted me with the creation of the page masters and the subject index and Christopher Collimore with the author index.

The Journal of Ecology

Author :
Publisher :
ISBN 13 :
Total Pages : 780 pages
Book Rating : 4.3/5 (91 download)

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Download or read book The Journal of Ecology written by and published by . This book was released on 1945 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. 16-21 include supplement: British empire vegetation abstracts.

Fire and Plants

Author : William J. Bond
Publisher : Springer Science & Business Media
ISBN 13 : 9400914997
Total Pages : 275 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Fire and Plants by : William J. Bond

Download or read book Fire and Plants written by William J. Bond and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: Large regions of the world are regularly burnt either deliberately or naturally. However, despite the widespread occurrence of such fire-prone ecosystems, and considerable body of research on plant population biology in relation to fire, until now there have only been limited attempts at a coherent conceptual synthesis of the field for use by students or researchers.

The Cerrados of Brazil

Author : Paulo S.
Publisher : Columbia University Press
ISBN 13 : 0231505965
Total Pages : 409 pages
Book Rating : 4.2/5 (315 download)

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Book Synopsis The Cerrados of Brazil by : Paulo S.

Download or read book The Cerrados of Brazil written by Paulo S. and published by Columbia University Press. This book was released on 2013-02-05 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: The massive grasslands of Brazil -- known as the cerrados -- which cover roughly a quarter of its land surface and are among the most threatened regions in South America, have received little media attention. This book brings together leading researchers on the area to produce the first detailed account in English of the natural history and ecology of the cerrado/savanna ecosystem. Given their extent and threatened status, the richness of their flora and fauna, and the lack of familiarity with their unique ecology at the international level, the cerrados are badly in need of this important and timely work.