The Earth as Modified by Human Action
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About This Book
There can be no doubt that moisture is given, out by trees and evaporated in extremely cold winter weather, and unless new fluid were supplied from the roots by the exercise of some vital function, the tree would be exhausted of its juices before winter was over. But this is not observed to be the fact, and, though the point is disputed, respectable authorities declare that "wood felled in the depth of winter is the heaviest and fullest of sap."
Chapters (42)
- THE EARTH AS MODIFIED BY HUMAN ACTION.
- PREFACE TO THE FIRST EDITION.
- PREFACE TO THE PRESENT EDITION.
- BIBLIOGRAPHICAL LIST OF WORKS CONSULTED IN THE PREPARATION OF THIS VOLUME.
- TABLE OF CONTENTS
- CHAPTER I.
- THE EARTH AS MODIFIED BY HUMAN ACTION.
- CHAPTER 1.
- UNCERTAINTY OF OUR HISTORICAL CONCLUSIONS ON ANCIENT CLIMATES.
- STABILITY OF NATURE.
- FORMATION OF BOGS.
- NATURAL CONDITIONS FAVORABLE TO GEOGRAPHICAL CHANGE.
- IMPORTANCE OF PHYSICAL CONSERVATION, AND RESTORATION.
- PHYSICAL RESTORATION.
- CHAPTER II.
- MODERN GEOGRAPHY EMBRACES ORGANIC LIFE.
- ORIGIN OF DOMESTIC PLANTS.
- OBJECTS OF MODERN COMMERCE.
- FOREIGN PLANTS, HOW INTRODUCED.
- VEGETABLE POWER OF ACCOMMODATION.
- AGRICULTURAL PRODUCTS OF THE UNITED STATES.
- USEFUL AMERICAN PLANTS GROWN IN EUROPE.
- EXTIRPATION OF VEGETABLES.
- ANIMAL LIFE AS A GEOLOGICAL AND GEOGRAPHICAL AGENCY.
- INFLUENCE OF ANIMAL LIFE ON VEGETATION
- ORIGIN AND TRANSFER OF DOMESTIC QUADRUPEDS.
- EXTIRPATION OF WILD QUADRUPEDS.
- LARGE MARINE ANIMALS RELATIVELY UNIMPORTANT IN GEOGRAPHY.
- INTRODUCTION AND BREEDING OF FISH.
- INTRODUCTION OF BIRDS.
- INJURY TO THE FOREST BY INSECTS.
- DESTRUCTION OF INSECTS.
- CHAPTER III.
- VIII.
- IX.
- CHAPTER IV.
- DRAINING OF THE LAKE OF HAARLEM.
- SUBTERRANEAN WATERS.
- CHAPTER V.
- COAST DUNES.
- CHARACTER OF DUNE SAND.
- CHAPTER VI.
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