MetaData for Length-Frequency, Size, Sex, and Age Composition Data by Month and Area for Pink Shrimp Landed in Oregon 1966 to 1980. Information Report 81-2
Length-Frequency, Size, Sex, and Age Composition Data by Month and Area for Pink Shrimp Landed in Oregon 1966 to 1980. Information Report 81-2
Identification Information
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Citation
- Originator: Zirges, M.H., M.R. Saelens and J.E. McCrae
- Publish Date: May 22, 1981
- Online Link:
None
- BPA Project #:
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Contact Information
- Agency: Oregon Department of Fish and Wildlife
- Name: Cedric Cooney
- Job Position: Natural Resources Data and Systems Manager
- Telephone: 503-947-6094
- E-Mail Address: Cedric.X.Cooney@odfw.oregon.gov
-
Description
- Abstract: Detennination of the optimum stage at which to harvest a fish stock for
either maximum poundage or dollar yield is a complex problem. Although it
may be shifted by special limitations inherent to the harvest gear type such
as lack of selectivity, this stage generally occurs near where the biomass
of marketable-size individuals is at a maximum, i.e. where gains from recruit-·
ment and growth are just being overtaken by losses from natural and fishinginduced
(non-harvest) mortality.
Available biomass of pink shrimp, PandaZus jordani, appears to be first
a function of year-class strength, i.e. number of individuals produced and
surviving, and then of growth rates. These parameters may not be independent.
Growth may be related to rate of sex change from male to female which in turn
affects stock fecundity. Mortality rates may be related to age or to stock
size.
Evaluation of these production parameters requires detailed data on
stock sex, age, and size composition over time. These parameters must be
compared between areas or "beds" to determine variability between areas or
even if discrete stocks exist.
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- Purpose:
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- Time Period of Content: 1966-1980
- Geographic Extent: Oregon Coast
- Status: Final
- Use Constraints:
- Format: PDF File
Data Quality Information
- Lineage-Source:
Data Information
- No data information was supplied.
Entity and Attribute Information
- Attributes Description: Not yet described
Bibliography Information
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Field Name
|
Value
|
Biblio ID |
7356 |
Year |
1981 |
Publisher |
|
Request Type |
Information & Education |
Location |
Salem HQ |
Date Created |
May 22, 1981 |
Date Cataloged |
6/22/05 |
Date Published |
1981 |
Type |
info repo |
Pages |
348 pp |
Volume |
81-2 |
Status |
2 |
Descriptor |
pink shrimp; Oregon; length-frequency; size, sex, age data |
Date Entered |
2005-06-22 08:32:19 |
Location In Clackamas Library |
S wall, yellow info reports top row |
Author |
Malcolm H Zirges; Mark R Saelens; Jean E McCrae |
Duplicates |
0 |
Number Remaining After Requests |
1 |
Presumed All Distributed |
|
Back Room Duplicates |
|
Author |
|
Risk |
|
Species |
|
Disposition Of Requests |
StreamNet Library: Request filled |
Disposition Of Requests |
State Archive: Request filled |
Is a physical copy maintained for reference at Headquarters?
Yes
Files
File Name |
File Type Category |
File Uploaded |
File Description |
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81-2.pdf
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Document File |
1/25/2018 2:52:13 PM |
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