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Author : Warren F. Steenbergh,Charles H. Lowe
Publisher : Unknown
Page : 268 pages
File Size : 47,5 Mb
Release : 1977
Category : Desert ecology
ISBN : STANFORD:36105031555597
Author : Warren F. Steenbergh,Charles H. Lowe
Publisher : Unknown
Page : 266 pages
File Size : 50,7 Mb
Release : 1977
Category : Desert ecology
ISBN : MINN:31951D00620847F
Author : Warren F. Steenbergh
Publisher : Forgotten Books
Page : 270 pages
File Size : 43,9 Mb
Release : 2017-12-13
Category : Business & Economics
ISBN : 0332526143
Excerpt from Ecology of the Saguaro, Vol. 2: Reproduction, Germination, Establishment, Growth, and Survival of the Young Plant Geographic distribution of the saguaro (cereus giganteus) in the Sonoran Desert region (map). Back of Vicinity map of Tucson and Saguaro National Monument. Dr. Homer L. Shantz and the Cactus Forest as it appeared in 1930. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author : Theodore H. Fleming,Alfonso Valiente-Banuet
Publisher : University of Arizona Press
Page : 386 pages
File Size : 55,7 Mb
Release : 2019-05-28
Category : Nature
ISBN : 9780816540211
A collection of writings on the ecology, evolution, and conservation of columnar cacti and their vertebrate mutualists, demonstrating that the survival of these cacti depends on animals who pollinate them and disperse their seeds.
Author : Anonim
Publisher : Unknown
Page : 776 pages
File Size : 45,5 Mb
Release : 1982
Category : Desert ecology
ISBN : MINN:31951D014843887
Author : Anonim
Publisher : Unknown
Page : 1568 pages
File Size : 50,6 Mb
Release : 1979
Category : Government publications
ISBN : UIUC:30112063912718
Author : Andrew J. Dennis
Publisher : CABI
Page : 702 pages
File Size : 40,5 Mb
Release : 2007
Category : Science
ISBN : 9781845931650
The chapters of this book on seed dispersal are divided into four parts: (1) frugivores and frugivory (8 chapters); (2) seed and seedling shadows (7 chapters); (3) seed fate and establishment (eight chapters); and (4) management implications and conservation (six chapters). The book presents both recent advances and reviews of current knowledge.
Author : Michael J. Crawley
Publisher : John Wiley & Sons
Page : 741 pages
File Size : 54,6 Mb
Release : 2009-06-22
Category : Science
ISBN : 9781444313635
Plant ecology is the scientific study of the factors influencing the distribution and abundance of plants. This benchmark text, extremely well received in its first edition, shows how pattern and structure at different levels of plant organization--from ecophysiology through population dynamics to community structure and ecosystem function--are influenced by abiotic factors (eg, climate and soils) and by biotic factors (eg, competition and herbivory). Adopting a dynamic approach, this book combines descriptive text with theoretical models and experimental data. It will be invaluable reading for both student and practising ecologist alike. In this second edition, the structure of the book has been completely revised, moving from the small scale to the large scale, in keeping with contemporary teaching methods. This fresh approach allows consideration of several new and important topics such as plant secondary chemistry, herbivory, sex, and breeding systems. Additional chapters address topical applied issues in plant ecology including global warming, pollution and biodiversity. The latest edition of a very widely adopted textbook Written by a team of leading experts and edited by an international authority in the field
Author : Robert H. Robichaux
Publisher : University of Arizona Press
Page : 312 pages
File Size : 40,5 Mb
Release : 2023-01-17
Category : Science
ISBN : 9780816552467
The Sonoran Desert is a distinctive biotic region that fascinates scientist, students, and nature lovers. This book offers an accessible introduction to Sonoran Desert ecology. Eight original essays by Sonoran Desert specialists provide an overview of the practice of ecology at landscape, community, and organismal scales. The essays explore the rich diversity of plant life in the Sonoran Desert and the ecological patterns and processes that underlie it. They also reveal the history and scientific legacy of the Desert Laboratory in Tucson, which has conducted research on the Sonoran Desert since 1903. Coverage includes diversity and affinities of the flora, physical environments and vegetation, landscape complexity and ecological diversity, population dynamics of annual plants, form and function of cacti, and the relationship between plants and the animals that use them as feeding and breeding resources. The text also examines the ecological consequences of modern agricultural development, as well as the impact on the modern biota of 40,000 years of change in climate, vegetation, megafauna, and ancient cultures. This comprehensive book covers a broad range of spatial and temporal scales to highlight the diversity of research being pursued in the Sonoran Desert. It is both a testament to these ongoing studies and an authoritative introduction to the diverse plant life in the region. Contents 1. Diversity and Affinities of the Flora of the Sonoran Floristic Province, Steven P. McLaughlin and Janice E. Bowers 2. Vegetation and Habitat Diversity at the Southern Edge of the Sonoran Desert, Alberto Bórquez, Angelina Martínez Yrízar, Richard S. Felger, and David Yetman 3. The Sonoran Desert: Landscape Complexity and Ecological Diversity, Joseph R. McAuliffe 4. Population Ecology of Sonoran Desert Annual Plants, D. Lawrence Venable and Catherine E. Pake 5. Form and Function of Cacti, Park S. Nobel and Michael E. Loik 6. Ecological Genetics of Cactophilic Drosophila, William J. Etges, W. R. Johnson, G. A. Duncan, G. Huckins, and W. B. Heed 7. Ecological Consequences of Agricultural Development in a Sonoran Desert Valley, Laura L. Jackson and Patricia W. Comus 8. Deep History and a Wilder West, Paul S. Martin
Author : Dale S. Turner
Publisher : Unknown
Page : 40 pages
File Size : 50,6 Mb
Release : 2000
Category : Saguaro
ISBN : MINN:31951D01967964V
Author : Park S. Nobel
Publisher : Cambridge University Press
Page : 288 pages
File Size : 48,8 Mb
Release : 2003-10-16
Category : Nature
ISBN : 0521543347
A comprehensive review of these two interesting and economically important desert succulents.
Author : William L. Halvorson,Gary E. Davis
Publisher : University of Arizona Press
Page : 377 pages
File Size : 43,7 Mb
Release : 2023-01-17
Category : Science
ISBN : 9780816552405
Our national parks are more than mere recreational destinations. They are repositories of the nation's biological diversity and contain some of the last ecosystem remnants needed as standards to set reasonable goals for sustainable development throughout the land. Nevertheless, public pressure for recreation has largely precluded adequate research and resource monitoring in national parks, and ignorance of ecosystem structure and function in parks has led to costly mistakes--such as predator control and fire suppression--that continue to threaten parks today. This volume demonstrates the value of ecological knowledge in protecting parks and shows how modest investments in knowledge of park ecosystems can pay handsome dividends. Science and Ecosystem Management in the National Parks presents twelve case studies of long-term research conducted in and around national parks that address major natural resource issues. These cases demonstrate how the use of longer time scales strongly influence our understanding of ecosystems and how interpretations of short-term patterns in nature often change when viewed in the context of long-term data sets. Most importantly, they show conclusively that scientific research significantly reduces uncertainty and improves resource management decisions. Chosen by scientists and senior park managers, the cases offer a broad range of topics, including: air quality at Grand Canyon; interaction between moose and wolf populations on Isle Royale; control of exotic species in Hawaiian parks; simulation of natural fire in the parks of the Sierra Nevada; and the impact of urban expansion on Saguaro National Monument. Because national parks are increasingly beset with conflicting views of their management, the need for knowledge of park ecosystems becomes even more critical--not only for the parks themselves, but for what they can tell us about survival in the rest of our world. This book demonstrates to policymakers and managers that decisions based on knowledge of ecosystems are more enduring and cost effective than decisions derived from uninformed consensus. It also provides scientists with models for designing research to meet threats to our most precious natural resources. "If we can learn to save the parks," observe Halvorson and Davis, "perhaps we can learn to save the world."
Author : Anonim
Publisher : Unknown
Page : 692 pages
File Size : 47,5 Mb
Release : 1995
Category : Biodiversity conservation
ISBN : UOM:39015046277110
Author : Anonim
Publisher : Unknown
Page : 686 pages
File Size : 44,5 Mb
Release : 1995
Category : Biodiversity
ISBN : MINN:31951D02996577H
Author : Leonard F. DeBano
Publisher : DIANE Publishing
Page : 682 pages
File Size : 51,8 Mb
Release : 1999-10
Category : Electronic
ISBN : 9780788183867
This conference brought together scientists and managers from government, universities, and private organizations to examine the biological diversity and management challenges of the unique "sky island" ecosystems of the mountains of the southwestern U.S. and northwestern Mexico. Session topics included: floristic resources, plant ecology, vertebrates, invertebrates, hydrology and riparian systems, aquatic resources, fire, conservation and management, human uses through time, and visions for the future. Illustrated.