Wildlife and America: Contributions to an Understanding of American Wildlife and Its ConservationCouncil on Environmental Quality, 1978 - 532 pages |
From inside the book
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Page 11
... Increasing numbers of trained professionals carry out field studies , enforce regulations , and educate the public . Fees collected for expenditure on fish and wildlife projects increase each year although not at the same rate as ...
... Increasing numbers of trained professionals carry out field studies , enforce regulations , and educate the public . Fees collected for expenditure on fish and wildlife projects increase each year although not at the same rate as ...
Page 22
... increase in biomass in a given period of time . Primary productivity refers to new organic material produced by the producer or green plant level of the system . Secondary productivity refers to new organic material produced by the ...
... increase in biomass in a given period of time . Primary productivity refers to new organic material produced by the producer or green plant level of the system . Secondary productivity refers to new organic material produced by the ...
Page 23
... increased natality , better survival , and an increase in potential yield . Optimum density has been calculated at about 50 percent of subsistence density . The concept of maximum sustainable yield ( MSY ) , as applied by the whaling ...
... increased natality , better survival , and an increase in potential yield . Optimum density has been calculated at about 50 percent of subsistence density . The concept of maximum sustainable yield ( MSY ) , as applied by the whaling ...
Page 24
... increase and occupy the niche of the first species , so that the original occupant may not recover . A possible example of this phenomenon is the failure of the sardine fishery . After heavy exploitation , the California sardine ...
... increase and occupy the niche of the first species , so that the original occupant may not recover . A possible example of this phenomenon is the failure of the sardine fishery . After heavy exploitation , the California sardine ...
Page 30
... increase it would be folly to ignore . To the casually informed , there is demographic deception in the decline of an historically high fertility rate . In 1975 the rate ( total number of children per woman ) was less than 1.9 . However ...
... increase it would be folly to ignore . To the casually informed , there is demographic deception in the decline of an historically high fertility rate . In 1975 the rate ( total number of children per woman ) was less than 1.9 . However ...
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Common terms and phrases
activities agriculture Alaska American animals Bighorn Sheep biological Blue Whales Bowhead Whale California changes coastal commercial common Congress Conservation Officer Coyotes deer ecological economic ecosystem effects efforts endangered species Endangered Species Act environment environmental education example exotic extinction Fish and Wildlife fishermen fishery Forest Service funds grazing habitat human hunters hunting important increase industry Island killed Kirtland's Warbler Lacey Act legislation livestock major marine mammals ment Migratory Bird million acres National Park National Wildlife Refuge native natural areas numbers organizations percent pests plants pollution population porpoises predator control preserve problem production programs Pronghorn protection public lands range recreational Refuge System regulations result rodent Sea Otter sheep stocks tion U.S. Fish U.S. Forest Service U.S. Government Printing United urban Washington waterfowl wetlands whales wild Wildl wildlife agencies wildlife conservation wildlife habitat wildlife management Wildlife Service York
Popular passages
Page 360 - Though the law itself be fair on its face and impartial in appearance, yet, if it is applied and administered by public authority with an evil eye and an unequal hand, so as practically to make unjust and illegal discriminations between persons in similar circumstances, material to their rights, the denial of equal justice is still within the prohibition of the Constitution.
Page 431 - ... to conserve the scenery and the natural and historic objects and the wildlife therein and to provide for the enjoyment of the same in such manner and by such means as will leave them unimpaired for the enjoyment of future generations.
Page 361 - Migratory Bird Treaty Act. SEO. 2. That unless and except as permitted by regulations2 made as hereinafter provided, it shall be unlawful at any time, by any means or in any manner,, to pursue, hunt, take, capture, kill, attempt to take, capture, or kill, possess, offer for sale, sell, offer to...
Page 285 - Act and by taking such action necessary to insure that actions authorized, funded, or carried out by them do not jeopardize the continued existence...
Page 307 - State and local governments, and other concerned public and private organizations, to use all practicable means and measures, including financial and technical assistance, in a manner calculated to foster and promote the general welfare, to create and maintain conditions under which man and nature can exist in productive harmony, and fulfill the social, economic, and other requirements of present and future generations of Americans.
Page 282 - But for the treaty and the statute there soon might be no birds for any powers to deal with. We see nothing in the Constitution that compels the Government to sit by while a food supply is cut off and the protectors of our forests and our crops are destroyed.
Page 301 - The government of the Union, then, (whatever may be the influence of this fact on the case,) is, emphatically and truly, a government of the people. In form and in substance it emanates from them. Its powers are granted by them, and are to be exercised directly on them, and for their benefit.
Page 181 - America, for large and pleasant navigable rivers: heaven and earth never agreed better to frame a place for man's habitation being of our constitutions, were it fully manured and inhabited by industrious people.
Page 434 - ... Multiple use" means: The management of all the various renewable surface resources of the national forests so that they are utilized in the combination that will best meet the needs of the American people; making the most judicious use of the land for some or all of these resources or related services over areas large enough to provide sufficient latitude for periodic adjustments in use to conform to changing needs and conditions; that some land will be used for less than all of the resources...
Page 33 - Sometimes, in a summer morning, having taken my accustomed bath, I sat in my sunny doorway from sunrise till noon, rapt in a revery, amidst the pines and hickories and sumachs, in undisturbed solitude and stillness, while the birds sang around or flitted noiseless through the house, until by the sun falling in at my west window, or the noise of some traveller's wagon on the distant highway, I was reminded of the lapse of time.