The Earth as Modified by Human Action eBook

George P. Marsh

Table of Contents
Section	Page

Start of eBook	1
CHAPTER III.	1
CHAPTER IV.	1
CHAPTER V.	2
CHAPTER VI.	2
THE EARTH AS MODIFIED BY HUMAN ACTION.	2
CHAPTER 1.	2
UNCERTAINTY OF OUR HISTORICAL CONCLUSIONS ON ANCIENT CLIMATES.	13
STABILITY OF NATURE.	22
FORMATION OF BOGS.	24
NATURAL CONDITIONS FAVORABLE TO GEOGRAPHICAL CHANGE.	27
IMPORTANCE OF PHYSICAL CONSERVATION, AND RESTORATION.	41
PHYSICAL RESTORATION.	41
CHAPTER II.	47
MODERN GEOGRAPHY EMBRACES ORGANIC LIFE.	47
ORIGIN OF DOMESTIC PLANTS.	49
OBJECTS OF MODERN COMMERCE.	53
FOREIGN PLANTS, HOW INTRODUCED.	55
Introduction of Foreign Plants.	57
VEGETABLE POWER OF ACCOMMODATION.	59
AGRICULTURAL PRODUCTS OF THE UNITED STATES.	61
USEFUL AMERICAN PLANTS GROWN IN EUROPE.	63
EXTIRPATION OF VEGETABLES.	63
ANIMAL LIFE AS A GEOLOGICAL AND GEOGRAPHICAL AGENCY.	66
INFLUENCE OF ANIMAL LIFE ON VEGETATION	70
ORIGIN AND TRANSFER OF DOMESTIC QUADRUPEDS.	71
EXTIRPATION OF WILD QUADRUPEDS.	75
LARGE MARINE ANIMALS RELATIVELY UNIMPORTANT IN GEOGRAPHY.	79
INTRODUCTION AND BREEDING OF FISH.	79
INTRODUCTION OF BIRDS.	93
INJURY TO THE FOREST BY INSECTS.	108
Introduction of Insects.	110
DESTRUCTION OF INSECTS.	114
CHAPTER III.	121
VII.	269
VIII.	269
IX.	269
CHAPTER IV.	323
DRAINING OF THE LAKE OF HAARLEM.	339
SUBTERRANEAN WATERS.	380
Artificial Springs	394
CHAPTER V.	440
COAST DUNES.	452
CHARACTER OF DUNE SAND.	458
CHAPTER VI.	489
THE END	515

Copyrights

The Earth as Modified by Human Action from Project Gutenberg. Public domain.