...The jungles increased in density, and the grasses became enormously tall; these points reminded us of the maritime districts of Ukwere and Ukami... 
Henry M. Stanley 「How I Found Livingstone」
...The density and hardness of the bonesshed the rain off on either side, so that the radiatinggutters and ravines finally isolated the rock massfrom that surrounding...
W. E. Webb 「Buffalo Land」
...treganzaifrom the State; presumably this subspecies occurs widely in low density...
Emil K. Urban 「Birds from Coahuila, Mexico」
...Riparian woodland does not seem to affordfirst-rate habitat for most of the eastern woodland species that dooccur; breeding density seems to be much lower than in well-situatedeastern woodland...
Richard F. Johnston 「The Breeding Birds of Kansas」
...Irregularfluctuations in breeding density have been recorded from DecaturCounty (Wolfe, 1961)...
Richard F. Johnston 「The Breeding Birds of Kansas」
... The piston stroke affects only the work of breathing; it does not alter the density, makes hardly any change in that which is heavier than water...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
...The air is driven out; and the canoe, resuming its mean density, a greater specific density than that of water, goes under at once and descends of its own accord...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
... I make a point of measuring the density of the population...
J. Henri Fabre 「Bramble-bees and Others」
...As compared with wooded bottomland of larger stream courses inDouglas County and those counties adjoining it, the Reservationarea probably supports a relatively low population density of opossums...
Henry S. Fitch 「Ecology of the Opossum on a Natural Area in Northeastern Kansas」
...This does not imply that estimations of home range are of little value;however, calculations of density, using home ranges as a basis, tend to amplifythe variance inherent in the data...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...The highest rate of infestation by botflies occurred in 1961, the year inwhich the population density of P...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...In 1965, the density of P...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...ornata there are indications that it influences population density...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
便利！手書き漢字入力検索