...Theone in this case not only decreased in numbers and failed to addanything to the economic value of his country, but has actually provena charge upon the state... 
Booker T. Washington 「The Negro in the South」
...Mackaystated that this bird and the golden plover had decreased 90 percent in fifty years, and in the last ten years of that period 90 percent of the remainder had gone...
William T. Hornaday 「Our Vanishing Wild Life」
...During the past thirty years the destruction of our game birds hasbeen enormous, and the insectivorous birds have greatly decreased...
William T. Hornaday 「Our Vanishing Wild Life」
...Asthese birds are not in demand commercially, theirnumbers have not decreased, and thousands ofthem breed in colonies in southern Texas...
Chester A. Reed 「The Bird Book」
...Activity of the cottontail decreased as precipitation increased; there was less activity in rain than in snow and less activity in wet snow than in dry snow...
Donald W. Janes 「Home Range and Movements of the Eastern Cottontail in Kansas」
...Activity did not vary with physiological condition except that as body weight decreased activity increased—probably because of lack of food...
Donald W. Janes 「Home Range and Movements of the Eastern Cottontail in Kansas」
...much decreased innumbers...
Frank M. Chapman 「What Bird is That?」
...So that the Porto Santo rabbits have decreased nearly three inches in length, and almost half in weight of body...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...This decreased value reacts and fixes the valuationof all cattle which remain in the infected territory, thereby reducing theassets of the cattle industry of that section...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Of course, these quantitiesmay be increased or decreased according to the size of the animalto be operated on; but the proportions here given must bepreserved...
Montagu Browne 「Practical Taxidermy」
...Among the species that decreased, three groups, characteristicof different habitats, can be distinguished...
James Everett Deacon 「Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas」
...It is thereforenot surprising to find that these species decreased in abundancewhen flow was resumed...
James Everett Deacon 「Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas」
...In streams heading in the hilly area of western Elk County, the relativeabundance of Notropis boops decreased progressively downstream...
Artie L. Metcalf 「Fishes of Chautauqua, Cowley and Elk Counties, Kansas」
...As flow decreased andintermittency commenced, qualitative and quantitative changes in thefish faunas were observed...
Artie L. Metcalf 「Fishes of Chautauqua, Cowley and Elk Counties, Kansas」
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