Screen 4: Reference data detail for: EMW-63 (reference id: 1 )

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EMW idEMW ref. idFAO species categorySpeciesScientific nameLower EMW (g)Upper EMW (g)Reference indicates lower or upper EMW figure?EMW MethodSimilar species EMW idLength-weight calculations*** Fish Size Quote ****** Explanatory Notes ***Link to reference (external site)Reference documentReference url (or book)Link to Species Summary (external site)Species not given ind
EMW-631Atlantic menhadenAtlantic menhadenBrevoortia tyrannus162.08349.22BothAverage weight ("average","mean")NONEAtlantic Menhaden.

From, all common names of "Atlantic Menhaden" refer to Brevoortia tyrannus. "Brevoortia tyrannus" is not specified in the text of this reference but is cited in its references.

An estimated mean weight was calculated from data in table 2.3.

Table 2.3 (p7) gives estimated landings in numbers and weight for each of the years 1955-2001.

The mean weight calculated from this for each of the years 1997-2001 (latest 5 years) ranges from 162.08 to 349.22. From this an estimated mean weight range of 162.08 - 349.22 was taken.

Calculation detail
More info."Analysis on the Status of Atlantic Menhaden stock"
"The Atlantic States Marine Fisheries Commission" website
More infoMore info.1

This screen gives details for an individual reference obtained in estimating a mean weight for this species.

The information obtained from this reference to derive an estimated mean weight is in the *** fish size quote *** and/or *** Explanatory notes *** column. Note that you may need to search the document using key words in the '*** Fish Size Quote ***' or *** Explanatory notes *** column to find the relevant fish size data. To view the reference document itself (if available online): scroll right and click on 'More info' in the 'Link to reference' column, if available.

Where the information obtained from the reference is a fish length, the calculations performed to obtain a weight may be viewed by clicking on 'More info' in the 'Length-weight calculations' column.

To view the 'Species Summary' page on for this species, click on 'More info' in the 'Link to Species Summary ' column. Very occasionally this link displays the home page instead of the species summary page. If this happens, enter the scientific name in the 'Genus + Species' search field to search for this species.

For explanation of the columns in the above table click on Help