Animal Communities in Temperate America; As Illustrated in the Chicago Region

Animal Communities in Temperate America; As Illustrated in the Chicago Region

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1913 edition. Excerpt: ...c) Vertical differences in evaporating power and other conditions.--The evaporating power of the air is usually greater at the higher levels of a habitat. TABLE XXXVI Evaporation From Porous Cup Evaporimeters In Different Strata Of A Summer Dry Marsh, Cambridgeshire, England, During Three Periods Between July 9 And September 8, 1907 (Yapp, 129, p. 299) Table XXXVI shows marked differences in the rate of evaporation and considerable differences in temperature at the different levels, both due largely to vegetation. Differences in light are also to be expected. Sherff (136, p. 420) has found conditions similar to the above by a two months' study of evaporation on Skokie Marsh near Chicago. The evaporation there was three times as great at a height of 1.95 m. as at the surface of the soil in among the plants of Phragmites. Mr. Harvey has secured similar (unpublished) results on the prairie at Chicago Lawn, Chicago, also Mr. Fuller, in the beech woods. Division into strata: Plant and animal habitats are commonly divided into strata as shown below. Plant (12) after Warming 1. No such stratum recognized. 2. Ground stratum made up of algae, mosses, immediately above the surface of the ground. 3. Field stratum; grasses and herbs. 4. Shrub stratum; formed of shrubs taller than the herbaceous vegetation. 5. Tree stratum. Animal 1. Sub-aqueous stratum made up of animals requiring water during their active reproductive stages. la. Subterranean stratum made up of animals or stages in the life histories of animals which inhabit the ground, especially during the breeding season. 2. Ground stratum made up of animals or early stages in the life histories of animals, as 1. 3. Field stratum; the inhabitants of the herbaceous vegetation on land. 4. Shrub stratum;...show more

Product details

  • Paperback | 112 pages
  • 189 x 246 x 6mm | 213g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236513568
  • 9781236513564