Record Display for the EPA National Library Catalog

RECORD NUMBER: 3 OF 3

Main Title

Rates of Photosynthesis and Phytoplankton Growth in Shagawa Lake, Minnesota.

Author

Megar, Robert O. ;

CORP Author

Minnesota Univ., Minneapolis. Limnological Research Center.

Year Published

1973

Report Number

EPA-16010-DEG; 00151,; R3-73-039

Stock Number

PB-224 462

Additional Subjects

( Shagawa Lake ; Primary biological productivity) ; Minnesota ; Lakes ; Water pollution ; Sewage ; Phytoplankton ; Photosynthesis ; Algae ; Nutrients ; Absorption(Biology) ; Inorganic ; Chlorophylls ; Eutrophication ; Aphanizomenon

Internet Access

Description	Access URL
	https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=2000O9QS.PDF

Holdings

Library	Call Number	Additional Info	Location	Last Modified	Checkout Status
NTIS	PB-224 462	Some EPA libraries have a fiche copy filed under the call number shown.		07/26/2022

Collation

70p

Abstract

Integral photosynthetic rates and growth rates of phytoplankton were measured before, during, and after a bloom of Aphanizomenon, which occurred in August 1970. The size of the population increased during the bloom despite decreasing specific production rates, probably because the dominant algal became more buoyant and decreased its sinking rate. The effects of changing the specific production rates and specific loss rates are demonstrated by comparing the integral photosynthetic rates and chlorophyll concentrations that would prevail under steady state conditions.