Manual De Identificaci N De Plantas Acu Ticas Del Parque Nacional Lagunas De Zempoala M Xico
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Manual De Identificaci N De Plantas Acu Ticas Del Parque Nacional Lagunas De Zempoala M Xico
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Author : Jaime Raúl Bonilla-Barbosa
language : es
Publisher: UNAM
Release Date : 1995
Manual De Identificaci N De Plantas Acu Ticas Del Parque Nacional Lagunas De Zempoala M Xico written by Jaime Raúl Bonilla-Barbosa and has been published by UNAM this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Science categories.
Conservation Biology For All
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Author : Navjot S. Sodhi
language : en
Publisher: OUP Oxford
Release Date : 2010-01-08
Conservation Biology For All written by Navjot S. Sodhi and has been published by OUP Oxford this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-01-08 with Science categories.
Conservation Biology for All provides cutting-edge but basic conservation science to a global readership. A series of authoritative chapters have been written by the top names in conservation biology with the principal aim of disseminating cutting-edge conservation knowledge as widely as possible. Important topics such as balancing conversion and human needs, climate change, conservation planning, designing and analyzing conservation research, ecosystem services, endangered species management, extinctions, fire, habitat loss, and invasive species are covered. Numerous textboxes describing additional relevant material or case studies are also included. The global biodiversity crisis is now unstoppable; what can be saved in the developing world will require an educated constituency in both the developing and developed world. Habitat loss is particularly acute in developing countries, which is of special concern because it tends to be these locations where the greatest species diversity and richest centres of endemism are to be found. Sadly, developing world conservation scientists have found it difficult to access an authoritative textbook, which is particularly ironic since it is these countries where the potential benefits of knowledge application are greatest. There is now an urgent need to educate the next generation of scientists in developing countries, so that they are in a better position to protect their natural resources.
Natural Climate Variability And Global Warming
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Author : Richard W. Battarbee
language : en
Publisher: John Wiley & Sons
Release Date : 2009-01-26
Natural Climate Variability And Global Warming written by Richard W. Battarbee and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-01-26 with Science categories.
Whilst there is now overwhelming evidence that greenhouse-gaspollution is becoming the dominant process responsible for globalwarming, it is also clear that the climate system varies quitenaturally on different time-scales. Predicting the course of futureclimate change consequently requires an understanding of thenatural variability of the climate system as well as the effects ofhuman-induced change. This book is concerned with our currentunderstanding of natural climate change, its variability on decadalto centennial time-scales, the extent to which climate models ofdifferent kinds simulate past variability, and the role of pastclimate variability in explaining changes to natural ecosystems andto human society over the later part of the Holocene. The bookhighlights the need to improve not only our understanding of thephysical system through time but also to improve our knowledge ofhow people may have influenced the climate system in the past andhave been influenced by it, both directly and indirectly. This ground-breaking text addresses predictable modification inthe climate system in the context of global warming. Ideal forresearchers and advanced students, it explores current thinking onnatural climate change. Addresses the natural variability of the climate system in thecontext of global warming Contributes substantially to the ongoing discussion on globalwarming Integrates state of the art research and brings togethermodeling and data communities in a balanced way Considers questions of climate change on differenttime-scales “Natural climate variability and global warming isclearly an important book, well-focused and distinctive, withfundamental things to say about Holocene science and its interfacewith the practical problem of global warming. It is anauthoritative, up-to-date summary and synthesis of currentknowledge in this area and is attractively produced with clear,colour illustrations throughout. It is a ‘must’ for alluniversity libraries and our private book collections.”The Holocene, 2009.
Lilus Kikus And Other Stories By Elena Poniatowska
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Author : Elena Poniatowska
language : en
Publisher: UNM Press
Release Date : 2005-10-31
Lilus Kikus And Other Stories By Elena Poniatowska written by Elena Poniatowska and has been published by UNM Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-10-31 with Fiction categories.
The first English edition of the work of one of Mexico's most admired women writers.
Conservation Biological Control
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Author : Pedro A. Barbosa
language : en
Publisher: Elsevier
Release Date : 1998-06-26
Conservation Biological Control written by Pedro A. Barbosa and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-06-26 with Nature categories.
This volume is a comprehensive treatment of how the principles of ecology and conservation biology can be used to maximize biological control. Conservation Biological Control presents various means to modify or manipulate the environment to enhance the activities of natural enemies of pests. It establishes a conceptual link between ecology and the agricultural use of agents for biological control, and discusses both theoretical issues as well as practical management concerns. Certain to be interesting to ecologists and entomologists, this volume will also appeal to scientists, faculty, researchers and students interested in pest management, horticulture, plant sciences, and agriculture. Contains chapters by an international team of leading authorities Establishes a conceptual link between ecology and the agricultural use of agents for biological control Discusses both theoretical issues as well as practical management concerns Provides specific examples of how conservation principles are used to maximize the biological control of pests
Vascular Plants As Epiphytes
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Author : Ulrich Lüttge
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Vascular Plants As Epiphytes written by Ulrich Lüttge and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
In his lectures my teacher Karl Mägdefrau used to say that one only becomes a real plant scientist when one enters a tropical rainforest. For me this initiation occurred in 1969 in northern Queensland, Australia, and was associated with the greatest excitement. On another level it received confirmation when I set out in 1983 together with some friends and colleagues for the first detailed ecophysiological studies of epiphytes in the wet tropics in situ in the island of Trinidad and later for similar work in Venezuela. This then promoted the idea of organizing a special symposium on "The evolution and ecophysiology of vascular plants as epiphytes" during the XIV International Botanical Congress in luly 1987 in Berlin, and to ask some of the speakers to produce chapters for a small monograph on the interesting ecologically defined group of plants "epiphytes" as presented in this volume of "Ecological Studies". The enthusiasm of the participants of the symposium giving reports and adding to the discussion was most stimulating, and it appears that epiphytes might gain well-deserved, wider consideration in the future. The cooperation with the authors of this book was very pleasant and I appreciated the new contacts established with adepts of the "epiphyte community". The chapters were organized and arranged covering first more gen eral aspects with setting the scene in Chapter 1, the evolution of epi phytism in Chapter 2 and the role of CO -concentrating mechanisms in 2 Chapter 3.
The Lean Lands
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Author : Agustín Yáñez
language : en
Publisher: University of Texas Press
Release Date : 1968-01-01
The Lean Lands written by Agustín Yáñez and has been published by University of Texas Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968-01-01 with Fiction categories.
What was it that flew over with such a terrifying roar? Was it, as many said, the devil, or was it that thing a few had heard of, a flying machine? And those electric lights at Jacob Gallo’s farm, were they witchcraft or were they science? The theme of this harshly powerful novel is the impact of modern technology and ideas on a few isolated, tradition-bound hamlets in the aftermath of the Mexican Revolution of 1910. The old ways are represented by Epifanio Trujillo, the cacique of the region, now ailing and losing his grip on things; by ancient Madre Matiana, the region’s midwife, healer, counselor, and oracle; by penniless Rómulo and his wife Merced. “Progress” is represented by Don Epifanio’s bastard son Jacob, who acquired money and influence elsewhere during the Revolution and who now, against his father’s will, brings electricity, irrigation, fertilizers, and other modernities to the lean lands—together with armed henchmen. The conflict between the old and the new builds slowly and inexorably to a violent climax that will long remain in the reader’s memory. The author has given psychological and historical depth to his story by alternating the passages of narrative and dialogue with others in which several of the major characters brood on the past, the present, and the future. For instance, Matiana, now in her eighties, touchingly remembers how she was married and widowed before she had reached her seventeenth birthday. This dual technique is superbly handled, so that people and events have both a vivid actuality and an inner richness of meaning. The impact of the narrative is intensified by the twenty-one striking illustrations by Alberto Beltrán.
Insect Diversity Conservation
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Author : Michael J. Samways
language : en
Publisher: Cambridge University Press
Release Date : 2005-01-20
Insect Diversity Conservation written by Michael J. Samways and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-01-20 with Nature categories.
This groundbreaking book is a contemporary global synthesis of the rapidly developing and important field of insect conservation biology. Insects play important roles in terrestrial ecological processes and in maintaining the world as we know it. They present particular conservation challenges, especially as a quarter face extinction within the next few decades. This textbook addresses the ethical foundation of insect conservation, and asks why should we concern ourselves with conservation of a butterfly, beetle or bug? The success of insects and their diversity, which have survived glaciers, is now facing a more formidable obstacle: the meteoric impact of humans. After addressing threats, from invasive alien plants to climate change, the book explores ways insects and their habitats are prioritised, mapped, monitored and conserved. Landscape and species approaches are considered. This book is for undergraduates, postgraduates, researchers and managers in conservation biology or entomology, and the wider biological and environmental sciences.
Memoirs Of Pancho Villa
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Author : Martín Luis Guzmán
language : en
Publisher: Univ of TX + ORM
Release Date : 2013-09-24
Memoirs Of Pancho Villa written by Martín Luis Guzmán and has been published by Univ of TX + ORM this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-24 with Biography & Autobiography categories.
“A frequently fascinating and probably fairly accurate insight into the most controversial character of the Mexican Revolution.” —Time Martín Luis Guzmán, eminent historian of Mexico, knew and traveled with Pancho Villa at various times during the Revolution. When many years later some of Villa’s private papers, records, and what was apparently the beginning of an autobiography came into Guzmán’s hands, he was ideally suited to blend all these into an authentic account of the Revolution as Pancho Villa saw it, and of the General’s life as known only to Villa himself. This is Villa’s story, his account of how it all began when as a peasant boy of sixteen he shot a rich landowner threatening the honor of his sister. This lone, starved refugee hiding out in the mountains became the scourge of the Mexican Revolution, the leader of thousands of men, and the hero of the masses of the poor. The assault on Ciudad Juárez in 1911, the battles of Tierra Blanca, of Torreón, of Zacatecas, of Celaya, all are here, told with a feeling of great immediacy. This volume ends as Villa and Obregón prepare to engage each other in the war between victorious generals into which the Revolution degenerated before it finally ended. The Memoirs were first published in Mexico in 1951, where they were extremely popular. This volume—translated by Virginia H. Taylor—was the first English publication. “This biographical history presents as revealing a historical portrait of the Revolution as the author’s earlier historical novel, The Eagle and the Serpent.” —The Hispanic American Historical Review
The Doryctinae Braconidae Of Costa Rica Genera And Species Of The Tribe Heterospilini
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Author : Paul M. Marsh
language : en
Publisher: PenSoft Publishers LTD
Release Date : 2013-11-06
The Doryctinae Braconidae Of Costa Rica Genera And Species Of The Tribe Heterospilini written by Paul M. Marsh and has been published by PenSoft Publishers LTD this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-06 with Science categories.
This study presents a comprehensive taxonomic revision of the four genera and 287 species of the tribe Heterospilini (Hymenoptera: Doryctinae) that occur in Costa Rica. This tribe is represented almost entirely by the hyperdiverse genus Heterospilus Foerster that includes 280 species, 277 of which are described as new to science. Keys are presented to allow the identification of all genera and species; all species are illustrated by scanning electron micrographs and most by color photographs. In addition, an interactive key was prepared using Lucid Builder and is hosted on the Lucid web site. Although very little is known about the biology of this tribe, species of Heterospilus are known to parasitize a very wide range of endophytic, mostly stem- or wood-boring Coleoptera and Lepidoptera. It is hoped that this study will be of benefit to overall studies of biodiversity in the tropics, and provide valuable information for biological control projects against forest pests, not only in Costa Rica, but also throughout the Western Hemisphere.