A Magic Web: The Forest of Barro Colorado Island - download pdf or read online

By Egbert G. Leigh

ISBN-10: 0195143280

ISBN-13: 9780195143287

ISBN-10: 0195349490

ISBN-13: 9780195349498

The tropical wooded area of Panama's Barro Colorado Island is a luxuriant neighborhood of crops and animals, pulsating with existence and supplying an fabulous view of nature's myriad techniques. What does the wooded area seem like? How do the actions of this forest's crops and animals create a group? Now, in A Magic net, photographer Christian Ziegler and ecologist Egbert Leigh invite readers to go into the fantastic global of Barro Colorado Island. This booklet offers a special mix of the marvelous images of a picture-book and transparent, authoritative textual content written by means of an energetic scientist who has spent part an entire life attempting to comprehend tropical forests. the images supply perspectives of the wooded area and its astonishing variety of population, and exhibit a number of the actions that supply the woodland 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 pictures and textual content exhibit the various methods its vegetation and animals compete with but additionally rely on one another: the contrasts among solitary cats and intricately geared up armies of ants; the several methods vegetation fight for a spot within the solar, and the methods those vegetation allure, or cultivate, animals to pollinate their plants. eventually, the authors express why this, and through implication all different, tropical forests subject to the folks who reside close to them and to the area at huge, what we will research from those forests, and the way they fluctuate from temperate-zone forests. choked with attractive full-color images observed through transparent and obtainable textual content, A Magic internet 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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Extra info for A Magic Web: The Forest of Barro Colorado Island

Sample text

Living in different habitats and specializing to different light levels are not the only ways by which different plant species coexist. In tropical forests, pests and pathogens usually prevent any one tree species from taking over the forest. Even in the temperate zone, trees in plantations and forestry reserves suffer severely from fungal blights such as root rots, and insect pests such as gypsy moths and spruce budworms, some of which have distressingly catholic tastes. American chestnuts were nearly all killed by chestnut blight, and American elms by Dutch elm disease.

With its pincers, it can open tough seedpods and inflict painful bites on animals that molest it. 19 Among the fifty-three species of amphibians on Barro Colorado Island, one of the most amazing is the glass frog, Centrolenella colymbiphyllum. 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.

Why are there so many kinds of animals and plants in tropical forests? To answer this question, we must learn what factors allow different species to live together in any ecological community. Ecological communities are competitive worlds. To see how this competition shapes a community, imagine several species, living in the same place, whose populations are limited by the availability of the same kind of food. As long as there is food enough, these species multiply until they begin to deplete the food supply.

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A Magic Web: The Forest of Barro Colorado Island by Egbert G. Leigh

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