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Field Notes, 1912, Part 3_102

Item

Raymond J. Pool Field Notes and Records
Title
Field Notes, 1912, Part 3_102
Alternative Title
Field Notes, 1912, Part 3
Date
1912
Creator
Raymond J. Pool
Description
Raymond J. Pool Field Notes
Identifier
120712
Transcription
102 71 when the various facies have reached their full development. Since the ponds and lakes are all shallow(seldom exceeding 10ft) there species are developed to a very great abundance. In summer as one looks down into there bodies of water the appearance of the vegetation is that of an aquatic forest of slight stature especially if the plants are Myriophyllum or Ceratophyllum or one of the upright stemmed Potamogetons such P. zosterifolius or pectinatus . It is a rather interesting fact that the various species are seldom mixed to any degree but rather alternate in practically pure communities. Thus in rowing say 500 yds. one may pass over pure colonies of Myriophyllum , Ceratophyllum , and three pure beds of P. Richardsonii , P. Natans , etc. In the shallower water where there are openings between the communities of larger plants Lemna trisulca is often developed in enormous beds so that this light green color contrasts very markedly with the generally duller surrroundings. The stems and leavese of all there facies are frequently thickly set with bullate colonies of such algae as Rivularia , and the float -
Rights
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