Download or read book Acidity and Gas Interchange in Cacti written by Herbert Maule Richards and published by . This book was released on 1915 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Acidity and Gas Interchange in Cacti written by Herbert Maule Richards and published by . This book was released on 1915 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Acidity and Gas Interchange in Cacti written by Herbert Maule Richards and published by . This book was released on 1915 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Acidity and Gas Interchange in Cacti by Herbert M Richards written by Herbert M. Richards and published by . This book was released on 1915 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Acidity and Gas Washington in Cacti Classic Reprint written by Herbert M. Richards and published by . This book was released on 2015-07-21 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Acidity and Gas Washington in Cacti That the respiratory activity, or rather the phenomena connected with the evolution of carbon dioxide, in cacti and in other succulents is peculiar and that the acidity of the juices of these plants exhibits periodic rise and fall have been known for a long time. These phenomena have been the subject of a considerable number of researches, some of which have been elaborate and thorough. Within the last 25 years there have been published the comprehensive papers of Aubert and of Astruc dealing directly with the problems of the physiology of the succulents, in which may be found a survey of the literature. These accounts, with the excellent review of the subject that can be found in Czapek's Biochemie der Pflanzen, as well as the short but well-digested treatment given by Spoehr, perhaps make it unnecessary to go into great detail, nevertheless it will be well for the sake of convenience to summarize the present state of knowledge concerning the points mentioned above. The two principal phenomena with which we are concerned, namely, the acidity with its periodicity and the carbon dioxide-oxygen quotient, are, as is now known, intimately connected; but in the earlier literature they were not associated. It was that remarkably astute investigator, de Saussure, who first discovered that in a certain cactus form (Opuntia sp.), with which he experimented, the intake of oxygen might, under some circumstances, greatly exceed the output of carbon dioxide. In consequence of this the so-called respiratory quotient, instead of approaching unity, fell far below it. But at that time there was no knowledge of the acidity of the plant juices, let alone its periodicity, so that the significance of this peculiarity was not understood. As to the acidity of succulent plants, we owe the first mention to a casual observation by Benjamin Heyne in 1819, who contributed a note regarding the more acid taste of the leaves of Bryophyllum (Cotyledon) calycinum in the morning than late in the afternoon. 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.
Download or read book Plant Water Status Affects Acid Metabolism and Gas Exchange in Succulents written by Zac Hanscom and published by . This book was released on 1977 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Environmental Biology of Agaves and Cacti written by Park S. Nobel and published by Cambridge University Press. This book was released on 2003-10-16 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive review of these two interesting and economically important desert succulents.
Download or read book Columnar Cacti and Their Mutualists written by Theodore H. Fleming and published by University of Arizona Press. This book was released on 2021-11-30 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although cacti such as the saguaro and organ pipe have come to define the Sonoran Desert for many people, they represent some 170 species of columnar cacti found in many parts of the Americas. These giant plants are so dominant in some ecosystems that many species of animals rely on them for food and shelter. They are pollinated by bats in central Mexico and Venezuela, by birds and bees in northern Mexico and Peru. This book summarizes our knowledge about the ecology, evolution, and conservation of columnar cacti and their vertebrate mutualists to show that the very survival of these cacti depends on animals who pollinate them and disperse their seeds. Contributors from the United States, Mexico, Venezuela, and Colombia explore aspects of geology and evolution that have forged this relationship, review findings in anatomy and physiology, and discuss recent research in population and community ecology as well as conservation issues. Ranging from the Sonoran Desert to the northern Andes, these studies reflect progress in understanding how abiotic and biotic factors interact to influence the evolution, distribution, and abundance of cacti and mutualists alike. In addition, this book examines the ways in which humans, through the process of domestication, have modified these plants for economic benefit. The contributors also review phylogenetic relationships between cacti and nectar-feeding bats in an effort to understand how bat-plant interactions have influenced the evolution of diversity and ecological specialization of both. Because of the number of migratory pollinators feeding on columnar cacti, the authors make conservation recommendations aimed at preserving fully functional ecosystems in arid portions of the New World tropics and subtropics. Columnar Cacti and Their Mutualists provided a benchmark for both conservation efforts and future research.
Download or read book Cacti written by Park S. Nobel and published by Univ of California Press. This book was released on 2002-07-10 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: "There is nothing in the world like this book. It should be in every library and on the bookshelves of all those interested in cacti. The book will be an important resource for plant physiology, agronomy, and horticulture classes at both the undergraduate and graduate level."—Bruce Smith, Brigham Young University "Cacti: Biology and Uses is a landmark publication of one of the world's most unique group of plants. Park Nobel, a leading authority on succulent plants, has assembled a collection of contributions that spans a wide range of issues extending from basic systematics, anatomy, physiology and ecology to considerations of conservation and human uses of this diverse group of plants. This nicely-produced and well-illustrated volume provides a resource that will be of great use to a wide range of scientists, practitioners, and enthusiasts of this plant group."—Harold Mooney, Paul S. Achilles Professor of Environmental Biology, Stanford University
Download or read book Proceedings American Philosophical Society vol 56 1917 written by and published by American Philosophical Society. This book was released on with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Biology Pamphlets written by and published by . This book was released on 1903 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge written by American Philosophical Society and published by . This book was released on 1917 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book American Men of Science written by James McKeen Cattell and published by . This book was released on 1927 with total page 1150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Journal of Agricultural Research written by and published by . This book was released on 1924 with total page 1222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Note written by and published by . This book was released on 1920 with total page 1068 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings American Philosophical Society vol 63 1924 written by and published by American Philosophical Society. This book was released on with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cruickshank Science Library Subject Catalogue written by University of Aberdeen. Cruickshank Science Library and published by . This book was released on 1921 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
