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Latitudinal variation in growth rate...

Raper, Jamie Lee Dawn.

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Latitudinal variation in growth rates of American lobster ( Homarus americanus) at the scale of the commercial range.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Latitudinal variation in growth rates of American lobster ( Homarus americanus) at the scale of the commercial range./
Author:	Raper, Jamie Lee Dawn.
Description:	77 p.
Notes:	Source: Masters Abstracts International, Volume: 51-02.
Contained By:	Masters Abstracts International51-02(E).
Subject:	Biology, Oceanography. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR88045
ISBN:	9780494880456

Latitudinal variation in growth rates of American lobster ( Homarus americanus) at the scale of the commercial range.
Raper, Jamie Lee Dawn.

Latitudinal variation in growth rates of American lobster ( Homarus americanus) at the scale of the commercial range. - 77 p.

Source: Masters Abstracts International, Volume: 51-02.

Thesis (M.Sc.)--Memorial University of Newfoundland (Canada), 2012.

Accurate life history information is essential for stock assessment and management of the American lobster (Homarus americanus) fishery in the Northwest Atlantic. To evaluate conservation measures adopted by lobster harvesters, a growth model is required to provide estimates of egg production and reproductive value. This study examines inconsistencies among previous estimates of growth rates and combines historical data with current tag-recapture studies to develop a general model to estimate growth rates. Growth rates calculated using multiple techniques differed substantially in a single dataset; therefore, a single technique must be used consistently in all locations. A general von Bertalanffy growth model for the entire species' range was developed and growth rates showed a steady decrease with increasing latitude within the range of 41.543600° and 50.722915° N. The decrease in growth rate per degree of latitude was approximately 0.3% for both male and female lobsters when using a regression weighted by the inverse variance. Growth parameters for American lobster can now be estimated on a site-specific basis using latitude, reducing the need for resource-intensive tag-recapture field studies.

ISBN: 9780494880456Subjects--Topical Terms:

783691
Biology, Oceanography.

Latitudinal variation in growth rates of American lobster ( Homarus americanus) at the scale of the commercial range.
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008 150210s2012 ||||||||||||||||| ||eng d
020 $a 9780494880456
035 $a (MiAaPQ)AAIMR88045
035 $a AAIMR88045
040 $a MiAaPQ $c MiAaPQ
100 1 $a Raper, Jamie Lee Dawn. $3 2101509
245 1 0 $a Latitudinal variation in growth rates of American lobster ( Homarus americanus) at the scale of the commercial range.
300 $a 77 p.
500 $a Source: Masters Abstracts International, Volume: 51-02.
502 $a Thesis (M.Sc.)--Memorial University of Newfoundland (Canada), 2012.
520 $a Accurate life history information is essential for stock assessment and management of the American lobster (Homarus americanus) fishery in the Northwest Atlantic. To evaluate conservation measures adopted by lobster harvesters, a growth model is required to provide estimates of egg production and reproductive value. This study examines inconsistencies among previous estimates of growth rates and combines historical data with current tag-recapture studies to develop a general model to estimate growth rates. Growth rates calculated using multiple techniques differed substantially in a single dataset; therefore, a single technique must be used consistently in all locations. A general von Bertalanffy growth model for the entire species' range was developed and growth rates showed a steady decrease with increasing latitude within the range of 41.543600° and 50.722915° N. The decrease in growth rate per degree of latitude was approximately 0.3% for both male and female lobsters when using a regression weighted by the inverse variance. Growth parameters for American lobster can now be estimated on a site-specific basis using latitude, reducing the need for resource-intensive tag-recapture field studies.
590 $a School code: 0306.
650 4 $a Biology, Oceanography. $3 783691
650 4 $a Agriculture, Fisheries and Aquaculture. $3 1020913
690 $a 0416
690 $a 0792
710 2 $a Memorial University of Newfoundland (Canada). $3 1017906
773 0 $t Masters Abstracts International $g 51-02(E).
790 $a 0306
791 $a M.Sc.
792 $a 2012
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR88045