 | George Perkins Marsh - Conservation of natural resources - 1864 - 592 pages
...their borders, and thus contributes to the supply of an element essential to both vegetable and animal life. As the forests are destroyed, the springs which...watercourses fed by them, diminish both in number and in volume. This fact is so familiar throughout the American States and the British Provinces, that... | |
 | California. Legislature - California - 1868 - 514 pages
...springs, and this, too, not only within the limits of the wood, but at some distance beyond the borders. "As the forests are destroyed, the springs which flowed...water-courses fed by them, diminish both in number and in volume. This fact is so familiar throughout the American States and the British Provinces that there:... | |
 | Science - 1871 - 598 pages
...its borders, and so contributes to the supply of an element essential both to vegetable and animal life. As the forests are destroyed, the springs which...watercourses fed by them, diminish both in number and in volume. Boussingault, in his " Economic Rurale," remarks that, " since the clearing of the mountains... | |
 | James Samuelson, William Crookes - Science - 1871 - 616 pages
...its borders, and so contributes to the supply of an element essential both to vegetable and animal life. As the forests are destroyed, the springs which...watercourses fed by them, diminish both in number and in volume. Boussingault, in his " Economic Rurale," remarks that, " since the clearing of the mountains... | |
 | George Perkins Marsh - Conservation of natural resources - 1874 - 702 pages
...its borders, and thus contributes to the supply of an clement essential to both vegetable and animal life. As the forests are destroyed, the springs which...water-courses fed by them, diminish both in number and in volume. This fact is so familiar throughout the American States and the British Provinces, that... | |
 | Royal Society of New South Wales - Science - 1902 - 694 pages
...limits of the woods, but at some distance beyond its borders, and thus contributes to the supply of an element essential to both animal and vegetable life....water-courses fed by them, diminish both in number and volume."3 Some other references to various authorities incidentally touch upon the effects of forests... | |
 | John Croumbie Brown - Climatology - 1877 - 358 pages
...its borders, and thus contributes to the supply of an element essential to both vegetable and animal life. As the forests are destroyed, the springs which...both in number and volume. This fact is so familiar in the American States and the British Provinces, that there are few old residents of the interior... | |
 | Maine. Board of Agriculture - Agriculture - 1865 - 442 pages
...their borders, and thus contributes to the supply of an element essential to both vegetable and animal life. As the forests are destroyed, the springs which...watercourses fed by them, diminish both in number and in volume. This fact is so familiar throughout the American States and the British Provinces, that... | |
 | John C. Lucas - Public health - 1880 - 170 pages
...treatise, " The Earth modified by Human Action," recently published, speaks much to the same effect : — " As the forests are destroyed, the springs which flowed...fed by them, diminish both in number and volume." Rain. — We are all of one and the same opinion as to the cause of rain, which is lowering of the... | |
 | Minnesota State Forestry Association, Leonard Bacon Hodges - Forests and forestry - 1880 - 188 pages
...volume, so that I am again obliged to borrow European examples from Marsh's Man and Nature. He says : As the forests are destroyed, the springs which flowed from the woods, and consequently the greater water course fed by them, diminish both in number and in volume. This fact is so familiar through the... | |
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... life. As the forests are destroyed, the springs which flowed from the woods, and, consequently, the greater water-courses fed by them, diminish both in number and volume. 
