By Egbert G. Leigh
The tropical wooded area of Panama's Barro Colorado Island is a luxuriant group of crops and animals, pulsating with existence and providing an dazzling view of nature's myriad strategies. What does the wooded area appear like? How do the actions of this forest's vegetation and animals create a neighborhood? Now, in A Magic internet, photographer Christian Ziegler and ecologist Egbert Leigh invite readers to go into the tremendous global of Barro Colorado Island. This e-book presents a different mixture of the fantastic images of a picture-book and transparent, authoritative textual content written by means of an energetic scientist who has spent part a life-time attempting to comprehend tropical forests. the pictures offer perspectives of the wooded area and its awesome range of population, and convey the various actions that provide the wooded area its personality and lend constitution to its group. Drawing on a long time of labor on Barro Colorado Island, Egbert Leigh explains how the woodland works. the images and textual content show the numerous methods its vegetation and animals compete with but in addition rely on one another: the contrasts among solitary cats and intricately prepared armies of ants; the several methods vegetation fight for a spot within the solar, and the methods those crops allure, or cultivate, animals to pollinate their flora. eventually, the authors convey why this, and by means of implication all different, tropical forests subject to the folk who reside close to them and to the area at huge, what we will examine from those forests, and the way they fluctuate from temperate-zone forests. packed with beautiful full-color images observed by means of transparent and available textual content, A Magic net is a needs to for somebody making plans to go to a tropical wooded area, and for all those that in simple terms want they can.
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Additional resources for A Magic Web: The Forest of Barro Colorado Island
American chestnuts were nearly all killed by chestnut blight, and American elms by Dutch elm disease. In tropical forests, no winter depresses pest populations. Ultraviolet-light traps on Barro Colorado catch leaf hoppers and other plant-eating insects all through the year (fig. 26), whereas in Maryland, light traps would never catch such insects in the wintertime. Because of the ever-present insect pests, leaves of tropical trees contain such varied poisons that jacks-of-all-trades feeding on many kinds of trees cannot devastate the tropical forest.
Nectar-eating birds live mainly in tropical and subtropical habitats, where flowers are available all through the year. This is one of several guilds-groups of animals that make their living in a similar way-that contribute to the higher diversity of the tropics compared to temperate-zone settings. Tropical rain forests have many kinds of nectareating birds that plant species need to pollinate their flowers. 22 ABOVE: Only habitats with a certain level of l o n g - t e r m stability can afford extreme specialists.
During the day it rests under a leaf. The whole animal (including the bones) is nearly transparent. OVERLEAF: Mother crocodiles (Crocodilus acutus) care for their young. Females bury their eggs, and guard them for nearly two months until the babies hatch. When they hatch, they call fortheir motherto dig them out and carry them to the water (fig. 21). 20 WHAT IS S P E C I A L A B O U T T R O P I C A L F O R E S T S ? ® 47 orado is probably more productive than Amazonia. Even though the dry season grips Barro Colorado for four or five months a year, when the forest receives only a quarter of the rain it can use and the ground bakes and cracks, most canopy trees have reliable access to groundwater all year long.
A Magic Web: The Forest of Barro Colorado Island by Egbert G. Leigh