File:Bio-ecology (1939) (20362769912).jpg

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Title: Bio-ecology
Identifier: bioecology00clem (find matches)
Year: 1939 (1930s)
Authors: Clements, Frederic E. (Frederic Edward), 1874-1945; Shelford, Victor E. (Victor Ernest), b. 1877
Subjects: Plant ecology; Animal ecology; Botany; Ecology; Zoology
Publisher: New York, J. Wiley & Sons, inc. ; London, Chapman & Hall, limited
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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58 COMMUNITY FUNCTIONS—DYNAMICS OF BIOTIC FORMATION With aggregation paramount, families are tlie rule; when the proc- esses are more or less balanced, colonies prevail; with migration emphasized, the mosaic of vegetation results. In closed communities, it is practically impossible for annuals to persist or to enter, and the pattern often reflects the tendency of perennials with offshoots to form families, as illustrated by Antennaria or Erythronium. Aggregation among Animals. In attempting to bring together the knowledge of two fields which have developed as independently as botany and zoology, or more specifically, plant ecology and animal
Text Appearing After Image:
Fig. 12.—Aggregation of a native goosefoot (Chenopodimn IcptophyUum) in a short-grass pasture covered with wind-borne silt; eastern Colorado. (Photo bj- Edith Clements.) ecology, difficulties as to the different uses of the same term arise fre- quently, aside from the fact that aggregation long has been used by plant ecologists to apply solely to the process of assembling in a group. Alice's use of the word introduces an additional general term for the communities of small size. Aggregation is accordingly used here only in the sense of the process. As compared with plants, aggregation through reproduction is comparatively rare or temporary. Temporary aggregation occurs in the case of vertebrates which care for their young. Nest-building

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Flickr tags
InfoField
  • bookid:bioecology00clem
  • bookyear:1939
  • bookdecade:1930
  • bookcentury:1900
  • bookauthor:Clements_Frederic_E_Frederic_Edward_1874_1945
  • bookauthor:Shelford_Victor_E_Victor_Ernest_b_1877
  • booksubject:Plant_ecology
  • booksubject:Animal_ecology
  • booksubject:Botany
  • booksubject:Ecology
  • booksubject:Zoology
  • bookpublisher:New_York_J_Wiley_Sons_inc_London_Chapman_Hall_limited
  • bookcontributor:MBLWHOI_Library
  • booksponsor:MBLWHOI_Library
  • bookleafnumber:68
  • bookcollection:biodiversity
  • bookcollection:MBLWHOI
  • bookcollection:blc
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
7 August 2015



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