Growth rate variation of the stalked barnacle Pollicipes pollicipes (Crustacea: Cirripedia) using calcein as a chemical marker
This study describes the use of calcein as a chemical tagging methodology to estimate growth rate variation of the stalked barnacle Pollicipes pollicipes, an ecologically important intertidal species and economic resource, in SW Portugal. Calcein tagging had a high success rate (94%) in marking both...
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Consejo Superior de Investigaciones Científicas
2015-03-01
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doaj-04bc66561ad84fe29c4777aedffa65012021-05-05T13:49:35ZengConsejo Superior de Investigaciones CientíficasScientia Marina0214-83581886-81342015-03-0179111712310.3989/scimar.04135.08B1540Growth rate variation of the stalked barnacle Pollicipes pollicipes (Crustacea: Cirripedia) using calcein as a chemical markerDavid Jacinto0Nélia Penteado1Diana Pereira2Alina Sousa3Teresa Cruz4MARE, Marine and Environmental Sciences Center, Laboratório de Ciências do Mar, Universidade de Évora - Centro de Oceanografia, Universidade de ÉvoraMARE, Marine and Environmental Sciences Center, Laboratório de Ciências do Mar, Universidade de Évora - Centro de Oceanografia, Universidade de ÉvoraMARE, Marine and Environmental Sciences Center, Laboratório de Ciências do Mar, Universidade de Évora - Centro de Oceanografia, Universidade de ÉvoraMARE, Marine and Environmental Sciences Center, Laboratório de Ciências do Mar, Universidade de Évora - Centro de Oceanografia, Universidade de ÉvoraMARE, Marine and Environmental Sciences Center, Laboratório de Ciências do Mar, Universidade de Évora - Centro de Oceanografia, Universidade de Évora - Departamento de Biologia, Escola de Ciências e Tecnologia, Universidade de ÉvoraThis study describes the use of calcein as a chemical tagging methodology to estimate growth rate variation of the stalked barnacle Pollicipes pollicipes, an ecologically important intertidal species and economic resource, in SW Portugal. Calcein tagging had a high success rate (94%) in marking both juvenile and adult barnacles for a period of 2.5 months, providing a valuable method for obtaining reliable data in growth studies of P. pollicipes. Growth rate decreased with barnacle size and was highly variable amongst individuals, particularly in smaller barnacles. No effect of shore level on barnacle growth was detected. Growth rates were higher in smaller juvenile barnacles, peaking at a 1.1-mm monthly increment in rostro-carinal length (RC) for individuals with RC=5 mm, and decreased with barnacle size (monthly growth rates of 0.5 mm for adult barnacles with RC~12.5 mm). Growth rates observed in adults with commercial interest (RC ≥ 18 mm) was < 0.25 mm per month. The advantages of tagging P. pollicipes with calcein were the possibility of mass marking individual barnacles of different size cohorts within a short period (less than 1 day of manipulation); and reduced time of fieldwork, which is very important because this species inhabits very exposed rocky shores.http://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/1569stalked barnaclepollicipesgrowth ratecalceintaggingintertidalportugal |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
David Jacinto Nélia Penteado Diana Pereira Alina Sousa Teresa Cruz |
spellingShingle |
David Jacinto Nélia Penteado Diana Pereira Alina Sousa Teresa Cruz Growth rate variation of the stalked barnacle Pollicipes pollicipes (Crustacea: Cirripedia) using calcein as a chemical marker Scientia Marina stalked barnacle pollicipes growth rate calcein tagging intertidal portugal |
author_facet |
David Jacinto Nélia Penteado Diana Pereira Alina Sousa Teresa Cruz |
author_sort |
David Jacinto |
title |
Growth rate variation of the stalked barnacle Pollicipes pollicipes (Crustacea: Cirripedia) using calcein as a chemical marker |
title_short |
Growth rate variation of the stalked barnacle Pollicipes pollicipes (Crustacea: Cirripedia) using calcein as a chemical marker |
title_full |
Growth rate variation of the stalked barnacle Pollicipes pollicipes (Crustacea: Cirripedia) using calcein as a chemical marker |
title_fullStr |
Growth rate variation of the stalked barnacle Pollicipes pollicipes (Crustacea: Cirripedia) using calcein as a chemical marker |
title_full_unstemmed |
Growth rate variation of the stalked barnacle Pollicipes pollicipes (Crustacea: Cirripedia) using calcein as a chemical marker |
title_sort |
growth rate variation of the stalked barnacle pollicipes pollicipes (crustacea: cirripedia) using calcein as a chemical marker |
publisher |
Consejo Superior de Investigaciones Científicas |
series |
Scientia Marina |
issn |
0214-8358 1886-8134 |
publishDate |
2015-03-01 |
description |
This study describes the use of calcein as a chemical tagging methodology to estimate growth rate variation of the stalked barnacle Pollicipes pollicipes, an ecologically important intertidal species and economic resource, in SW Portugal. Calcein tagging had a high success rate (94%) in marking both juvenile and adult barnacles for a period of 2.5 months, providing a valuable method for obtaining reliable data in growth studies of P. pollicipes. Growth rate decreased with barnacle size and was highly variable amongst individuals, particularly in smaller barnacles. No effect of shore level on barnacle growth was detected. Growth rates were higher in smaller juvenile barnacles, peaking at a 1.1-mm monthly increment in rostro-carinal length (RC) for individuals with RC=5 mm, and decreased with barnacle size (monthly growth rates of 0.5 mm for adult barnacles with RC~12.5 mm). Growth rates observed in adults with commercial interest (RC ≥ 18 mm) was < 0.25 mm per month. The advantages of tagging P. pollicipes with calcein were the possibility of mass marking individual barnacles of different size cohorts within a short period (less than 1 day of manipulation); and reduced time of fieldwork, which is very important because this species inhabits very exposed rocky shores. |
topic |
stalked barnacle pollicipes growth rate calcein tagging intertidal portugal |
url |
http://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/1569 |
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