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Interannual variability of ichthyoplankton diversity in the Patos Lagoon estuary Southern Brazil

Dataset homepage

Citation

Muelbert J H (2020). Interannual variability of ichthyoplankton diversity in the Patos Lagoon estuary Southern Brazil. Version 1.12. Sistema de Informação sobre a Biodiversidade Brasileira - SiBBr. Sampling event dataset https://doi.org/10.15468/noeqwa accessed via GBIF.org on 2023-02-09.

Description

This sub-project aims to study the interannual variability of long term disturbance dynamics of recruitment and of Ichthyoplankton diversity in the estuary of the Patos Lagoon (PLE).

Purpose

The general purposes of this data bank is to provide information on ichthyoplankton sampled in the Patos Lagoon estuary.

Sampling Description

Study Extent

First samples were taken in January 10, 2000 and last samples were taken in December 6, 2016. Samples are collected monthly and preferably during the first week of the month.

Sampling

Sampling of fish eggs and larvae is made with a 50cm diameter conical net, with a mesh of 300 um and equipped with flow meter. The net is manually hauled on the beach area for 2 people during 2 minutes at 7 stations. In the laboratory, samples are concentrated in 300ml jars and fish eggs and larvae are sorted from the remainder zooplankton. Fish eggs and larvae are then identified to the lowest taxonomic level possible and their total abundance recorded by taxa. Temperature and salinity are registered with a YSI Thermosalinometer with precision of 0.01 ºC and of 0.01 salinity units.

Quality Control

Taxonomic determination was done by the same qualified technical expert for the entire period so far. Data is double checked for typing errors and inadequate values.

Method steps

  1. Sampling of fish eggs and larvae is made with a 50cm diameter conical net, with a mesh of 300 um and equipped with flow meter. The net is manually hauled on the beach area for 2 people during 2 minutes at 7 stations. In the laboratory, samples are concentrated in 300ml jars and fish eggs and larvae are sorted from the remainder zooplankton. Fish eggs and larvae are then identified to the lowest taxonomic level possible and their total abundance recorded by taxa and standardized at 100m3. All the collected material is preserved in formaldehyde 4%. Temperature and salinity are registered with a YSI Thermosalinometer with precision of 0.01 ºC and of 0.01 salinity units.

Taxonomic Coverages

Due to the long sample time, there are different taxonomical categories and classifications that need to be reviewed.
  1. Animalia
    rank: kingdom
  2. Chordata
    rank: phylum
  3. Actinopterygii
    rank: class
  4. Anguilliformes
    rank: order
  5. Atheriniformes
    rank: order
  6. Beloniformes
    rank: order
  7. Characiformes
    rank: order
  8. Clupeiformes
    rank: order
  9. Cyprinodontiformes
    rank: order
  10. Elopiformes
    rank: order
  11. Gobiesociformes
    rank: order
  12. Perciformes
    rank: order
  13. Pleuronectiformes
    rank: order
  14. Siluriformes
    rank: order
  15. Syngnathiformes
    rank: order
  16. Achiridae
    rank: family
  17. Anablepidae
    rank: family
  18. Atherinidae
    rank: family
  19. Atherinopsidae
    rank: family
  20. Blenniidae
    rank: family
  21. Carangidae
    rank: family
  22. Characidae
    rank: family
  23. Clupeidae
    rank: family
  24. Engraulidae
    rank: family
  25. Gerreidae
    rank: family
  26. Gobiesocidae
    rank: family
  27. Gobiidae
    rank: family
  28. Hemiramphidae
    rank: family
  29. Mugilidae
    rank: family
  30. Paralichthyidae
    rank: family
  31. Pimelodidae
    rank: family
  32. Poeciliidae
    rank: family
  33. Sciaenidae
    rank: family
  34. Stromateidae
    rank: family
  35. Syngnathidae
    rank: family
  36. Trichiuridae
    rank: family
  37. Anchoa
    rank: genus
  38. Atherinella
    rank: genus
  39. Blennius
    rank: genus
  40. Brevoortia
    rank: genus
  41. Catathyridium
    rank: genus
  42. Cynoscion
    rank: genus
  43. Engraulis
    rank: genus
  44. Eucinostomus
    rank: genus
  45. Gobiesox
    rank: genus
  46. Gobionellus
    rank: genus
  47. Gobiosoma
    rank: genus
  48. Hyporhamphus
    rank: genus
  49. Jenynsia
    rank: genus
  50. Lycengraulis
    rank: genus
  51. Macrodon
    rank: genus
  52. Menticirrhus
    rank: genus
  53. Micropogonias
    rank: genus
  54. Mugil
    rank: genus
  55. Odontesthes
    rank: genus
  56. Paralichthys
    rank: genus
  57. Paralonchurus
    rank: genus
  58. Parapimelodus
    rank: genus
  59. Parona
    rank: genus
  60. Peprilus
    rank: genus
  61. Poecilia
    rank: genus
  62. Ramnogaster
    rank: genus
  63. Syngnathus
    rank: genus
  64. Trachinotus
    rank: genus
  65. Trichiurus
    rank: genus
  66. Anchoa marinii
    rank: species
  67. Brevoortia pectinata
    rank: species
  68. Catathyridium garmani
    rank: species
  69. Catathyridium jenynsii
    rank: species
  70. Engraulis anchoita
    rank: species
  71. Eucinostomus gula
    rank: species
  72. Eucinostomus melanopterus
    rank: species
  73. Gobiesox strumosus
    rank: species
  74. Gobionellus oceanicus
    rank: species
  75. Gobiosoma parri
    rank: species
  76. Hyporhamphus roberti
    rank: species
  77. Lycengraulis grossidens
    rank: species
  78. Macrodon atricauda
    rank: species
  79. Menticirrhus americanus
    rank: species
  80. Micropogonias furnieri
    rank: species
  81. Mugil curema
    rank: species
  82. Mugil liza
    rank: species
  83. Paralichthys orbignyanus
    rank: species
  84. Paralonchurus brasiliensis
    rank: species
  85. Parapimelodus nigribarbis
    rank: species
  86. Parona signata
    rank: species
  87. Peprilus paru
    rank: species
  88. Poecilia vivipara
    rank: species
  89. Ramnogaster arcuata
    rank: species
  90. Syngnathus folletti
    rank: species
  91. Trachinotus goodei
    rank: species
  92. Trichiurus lepturus
    rank: species

Geographic Coverages

The Patos Lagoon located in the southern Brazilian coastal plain (Rio Grande do Sul state), is the largest (10,360 km2) choked lagoon in the world. It stretches in a NE SW direction from the city of Porto Alegre (30°30’ S) to Rio Grande (32°12’ S). In the south, an estuarine region of approximately 10 % of total area is connected by a single and narrow inlet to the Atlantic Ocean. The major tributary rivers in the northern and central areas of Patos Lagoon, and the São Gonçalo channel in the southern area, are significant freshwater sources from an extensive drainage basin. The hydrodynamics of Patos Lagoon estuary is strongly controlled by river discharge and the action of predominant winds. Ichthyoplankton samples were collected in shallow beaches in the estuary and in the adjacent coastal sandy beaches.

Bibliographic Citations

Contacts

José Henrique Muelbert
originator
position: Researcher
FURG - University of Rio Grande
Av. Itália Km 08 P.O. Box 474
Rio Grande
96205001
Rio Grande do Sul
BR
email: docjhm@furg.br
José Henrique Muelbert
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
email: docjhm@furg.br
Eduardo Resende 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
José Henrique Muelbert
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
email: docjhm@furg.br
Valéria Marques Lemos
administrative point of contact
position: Researcher
FURG - University of Rio Grande
Av. Itália Km 08
Rio Grande
96205001
Rio Grande do Sul
BR
email: vavadeleom@yahoo.com.br
Marianna Lanari
administrative point of contact
position: Researcher
FURG - University of Rio Grande
Av. Itália Km 08
Rio Grande
96205001
Rio Grande do Sul
BR
email: marianna.lanari@gmail.com
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