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A Preliminary Comparison of the Nannoplankton and Net Plankton of the Columbia River

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Description

Plankton collected from the Columbia River by the net method and by the centrifuge method were compared. The centrifuged plankton (nannoplankton) exceeded the net plankton in weight, in abundance of organisms and in radioactivity. Similar seasonal trends were present in both types of plankton.

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11 pages : figure, table

Creation Information

Coopey, R. W. September 10, 1953.

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Description

Plankton collected from the Columbia River by the net method and by the centrifuge method were compared. The centrifuged plankton (nannoplankton) exceeded the net plankton in weight, in abundance of organisms and in radioactivity. Similar seasonal trends were present in both types of plankton.

Physical Description

11 pages : figure, table

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Digitized from microopaque cards.

Experimental Biology and Medicine

Operated for the Atomic Energy Commission by the General Electric Company under Contract #W-31-109-Eng-52

Bibliographic references included (page 11).

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  • Report No.: HW-29298
  • Accession or Local Control No: metadc1201892
  • Grant Number: W-31-109-Eng-52
  • SuDoc Number: Y3.At 7:22/HW-29298
  • Archival Resource Key: ark:/67531/metadc1201892

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Technical Report Archive and Image Library

The Technical Report Archive & Image Library (TRAIL) identifies, acquires, catalogs, digitizes and provides unrestricted access to U.S. government agency technical reports. The mission of TRAIL is to ensure preservation, discoverability, and persistent open access to government technical publications regardless of form or format.

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Imaged from microcard, these technical reports describe research performed for U.S. government agencies from the 1930s to the 1960s. The reports were provided by the Technical Report Archive and Image Library (TRAIL).

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  • September 10, 1953

Added to The UNT Digital Library

  • Aug. 27, 2019, 3:53 p.m.

Description Last Updated

  • July 23, 2020, 5:23 p.m.

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Coopey, R. W. A Preliminary Comparison of the Nannoplankton and Net Plankton of the Columbia River, report, September 10, 1953; Richland, Washington. (https://digital.library.unt.edu/ark:/67531/metadc1201892/: accessed December 12, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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