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PELD-ELPA Ecology of the pink-shrimp Penaeus paulensis in Patos Lagoon estuary

Dataset homepage

Citation

Dumont L F C (2022). PELD-ELPA Ecology of the pink-shrimp Penaeus paulensis in Patos Lagoon estuary. Version 1.8. Sistema de Informação sobre a Biodiversidade Brasileira - SiBBr. Sampling event dataset https://doi.org/10.15468/ovayhc accessed via GBIF.org on 2023-12-11.

Description

Juveniles of pink-shrimp Penaeus paulensis are monthly sampled since 1996 at six stations in the Patos Lagoon estuary and two sites in the marine area surrounding the estuarine mouth. The catch per unit effort (CPUE) is estimated in weight and numbers. This data series provides unique long-term information enabling the evaluation of natural and anthropic impacts in the estuarine and coastal region in southern Brazil, especially for an intensively exploited fishery resource, such as the pink-shrimp.

Purpose

This data series provides unique long-term information enabling the evaluation of natural and anthropic impacts in the estuarine and coastal region in southern Brazil, especially for an intensively exploited fishery resource, such as the pink-shrimp.

Sampling Description

Study Extent

Pink-shrimp abundance, size structure and water parameters are registered in the Patos Lagoon Estuary and the oceanic adjacent beach, Cassino Beach, located in the coastal plain of southern Brazil. A total of eight sites are sampled each month, with five replicates each.

Sampling

A total of eight sites are sampled each month, with five replicates each. The gear used to obtain biological samples is a picaré net, an active net designed to operate in shallow regions. The net is 9 m long, with mesh size (opposing knots) of 5 mm in the central pane and 13 mm in the wings. The water temperature (mercury thermometer), salinity (refractometer) and transparency (Secchi disk) data are collected at each station. The organisms are preserved with formaldehyde (4% solution).

Quality Control

Researchers and the classical methods are the same employed since the beginning of the time series. Thus, methodology influence is minimal. Sampling is always performed under supervision of experienced researchers.

Method steps

  1. The biological samples were performed with a beach seine (9 m in length, 13 mm opposing knots and 5 mm in the center) in the shallow areas (average depths lower than 1.5 m). Samples were monthly performed in eight sites with five replicates. The temperature (mercury thermometer), salinity (refractometer) and transparency data (Secchi disk) are obtained in conjunction with the biological samples for each sampling site.

Taxonomic Coverages

The sampled decapod crustaceans are composed by juveniles of pink-shrimp Penaeus paulensis (Pérez-Farfante, 1967).
  1. Penaeus paulensis
    common name: pink-shrimp rank: species
  2. Animalia
    rank: kingdom
  3. Arthropoda
    rank: phylum
  4. Malacostraca
    rank: class
  5. Decapoda
    rank: order
  6. Penaeidae
    rank: family
  7. Penaeus
    rank: genus

Geographic Coverages

The Patos Lagoon at the southern Brazilian coastal plain (Rio Grande do Sul state) is the largest (10,360 km2) choked lagoon in the world. With a NE SW direction the lagoon extends from the city of Porto Alegre (30º30’ S) to Rio Grande (32º12’ S). In the southern estuarine region, approx. 10% of total area, a single and narrow inlet connects this lagoon to the Atlantic Ocean. The major tributary rivers at the northern and central areas of Patos Lagoon, and the São Gonçalo channel at the southern area, are significant freshwater sources from an extensive drainage basin. The hydrodynamics of Patos Lagoon estuary is strongly controlled by the discharge of tributary rivers and the action of predominant meteorological factors like winds, rainfall and evaporation.

Bibliographic Citations

  1. Lemos, V. M., Lanari, M., Copertino, M., Secchi, E. R., de Abreu, P. C. O., Muelbert, J. H., Garcia, A. M., Dumont, F. C., Muxagata, E., Vieira, J. P., Colling, A. & Odebrecht, C. (2022). Patos Lagoon estuary and adjacent marine coastal biodiversity long-term data. Earth System Science Data, 14(3), 1015-1041. - https://doi.org/10.5194/essd-14-1015-2022

Contacts

Luiz Felipe C Dumont
originator
position: Researcher
FURG - University of Rio Grande
Av. Itália Km 08 P.O. Box 474
Rio Grande
96205001
Rio Grande do Sul
BR
Telephone: +555332336538
email: felipecdumont@gmail.com
Luiz Felipe C Dumont
metadata author
position: Researcher
FURG - University of Rio Grande
Av. Itália Km 08 P.O. Box 474
Rio Grande
96205001
Rio Grande do Sul
BR
Telephone: +555332336538
email: felipecdumont@gmail.com
Eduardo Secchi
point of contact
position: Researcher and Coordinator of the Brazilian Long Term Ecological Research (PELD Site 8)
FURG - University of Rio Grande
Av. Itália Km 08 P.O. Box 474
Rio Grande
96205001
Rio Grande do Sul
BR
Telephone: 5332336538
email: edu.secchi@furg.br
Clarisse Odebrecht
point of contact
position: researcher
FURG - University of Rio Grande
Av. Itália Km 08 P.O. Box 474
Rio Grande
96205001
Rio Grande do Sul
BR
Telephone: +555332336520
email: doclar@furg.br
Luiz Felipe C Dumont
principal investigator
position: Researcher
FURG - University of Rio Grande
Av. Itália Km 08 P.O. Box 474
Rio Grande
96205001
Rio Grande do Sul
BR
Telephone: +555332336538
email: felipecdumont@gmail.com
Valéria Lemos
administrative point of contact
position: Researcher
Universidade Federal do Rio Grande - FURG
Av. Itália Km 08
Rio Grande
96203-901
Rio Grande do Sul
BR
email: vavadeleom@yahoo.com.br
Marianna Lanari
administrative point of contact
position: Researcher
Universidade Federal do Rio Grande - FURG
Av. Itália Km 08
Rio Grande
96203-901
Rio Grande do Sul
BR
email: marianna.lanari@gmail.com
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