Ecology of the burrowing amphipod, Pontoporeia affinis, in Lake Michigan / by Wayne Paul Alley.

TABLE 3o Monthly occurrence of brooding (B) and spent (S) female Pontoporeia affinis in Lake Michigan for 1966o 0 represents no observed brooding or spent females; - represents no data. Depth 21 Mar. 25-30 1- 6 27 Station (Meters) -7 Apr. Apr. June June 10 Aug. 29 Aug. 26 Sept 9 Nov. A-1 18 B S 0 - A-2 A-3 A-4 A-5 A-6 B-i B-2 B-3 B-4 B-5 B-6 B-7 B-8 C-1 C-2 C-3 C-4 C-5 C-6 C-7 E-1 E-2 E-3 E-4 E-5 E-6 35 70 74 43 18 19 49 68 129 108 83 45 11 20 50 77 108 157 99 55 44 197 271 216 173 33 B&S B&S B&S B 0 B&S B&S B&S B&S 0 0 B&S B&S B&S 0 0 B&S B&S S B&S B&S 0 0 0 B&S 0 B&S B&S 0 0 B 0 B&S 0 0 0 0 B&S B 0 B B B&S 0 0 B B 0 0 0 B 0 B 0 B 0 0 B rN o0 0 B B B S 0 B m 0 0 0 0 0 0 B S 0 0 0 0 S 0 0 O O 0 0 0 B 0 0 S '' ---- -- -' I 'e --- --,, I --,-,,,,,,

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Title
Ecology of the burrowing amphipod, Pontoporeia affinis, in Lake Michigan / by Wayne Paul Alley.
Author
Alley, Wayne Paul.
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Page 26
Publication
Ann Arbor, Mich. :: University of Michigan,
1968.
Subject terms
Amphipoda -- Michigan, Lake.

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"Ecology of the burrowing amphipod, Pontoporeia affinis, in Lake Michigan / by Wayne Paul Alley." In the digital collection Great Lakes Digital Library. https://name.umdl.umich.edu/4737944.0001.001. University of Michigan Library Digital Collections. Accessed May 18, 2025.
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