A sampling device to quantify offspring release of sessile marine invertebrates

Bueno, Marilia; Flores, Augusto A. V.

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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

A sampling device to quantify offspring release of sessile marine invertebrates

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Author(s):	Bueno, Marilia ^[1] ; Flores, Augusto A. V. ^[2] Total Authors: 2
Affiliation:	^[1] Univ Sao Paulo, Dept Biol, Fac Filosofia Ciencias & Letras Ribeirao Preto, BR-14040901 Ribeirao Preto, SP - Brazil ^[2] Univ Sao Paulo, Ctr Biol Marinha, BR-11600000 Sao Sebastiao, SP - Brazil Total Affiliations: 2
Document type:	Journal article
Source:	INVERTEBRATE REPRODUCTION & DEVELOPMENT; v. 52, n. 1-2, p. 41-44, DEC 2008.
Web of Science Citations:	4
Abstract
Quantifying the rate of propagule release is of most importance to estimate reproductive output of natural populations, but simple methods to obtain such data are seldom reported. We designed and tested an inexpensive apparatus capable of reliably measure the release of gametes, eggs or larvae of sessile marine invertebrates in vertical walls. A population of the acom barnacle Chthamalus bisinuatus was sampled with this trap over 68d to obtain a time series of naupliar release. An apparent semilunar trend is shown, indicating the effectiveness of this sampling method. (AU)

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