Excerpt from The Water-Balance of Succulent Plants
The activities of the seed-plant make necessary a movement of solu tions from the surface intakes of roots or other absorbing organs in con tact with the medium or substratum to various tissues, the residue of liquid and content finally reaching the excretory or transpiratory mem branes of the leaves, stems, or other aerial members. This water-service involves a supply of available moisture in the substratum or medium, absorbing organs, whose tissues sustain a higher osmotic activity than the substratum, conducting tracts of adequate capacity, and transpiratory organs, which in response to the evaporating action of the air throw ofi the water of the solutions entering the roots, in the form of vapor, at a rate variously modified by the purely physiological activity of the protoplasts.
The individual and contributory action of all of these factors is greatly influenced by many internal and external conditions, physiologic, morpho genic, and physical. The relation of the plant to the moisture-supply and to the evaporating capacity of the air constitutes a limiting factor of great importance in determining distribution and habitat selection.
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Paperback. Condition: New. Print on Demand. This book focuses on the survival of giant cacti in arid regions. It explores how they can absorb and store significant amounts of water and then release it as needed. The author meticulously measured cacti anatomy and water storage capacity, showing how they can increase in size by up to a third when hydrated. Cacti cleverly expand and contract their trunks to adjust to varying water levels and can survive on a single rainfall for months. The author also considers the environmental factors, such as sun exposure and temperature, that influence the cacti's water balance. The book provides a fascinating account of plant adaptation and reveals the remarkable resilience of these desert dwellers. Forgotten Books publishes hundreds of thousands of rare and classic books. 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. The digital edition of all books may be viewed on our website before purchase. print-on-demand item. Seller Inventory # 9781332072699_0
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781332072699
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781332072699
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Condition: Sehr gut. Zustand: Sehr gut - Gepflegter, sauberer Zustand. | Seiten: 98 | Sprache: Englisch | Produktart: Bücher. Seller Inventory # 26080946/2
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