Name: Zooplankton Guarau River
License: This work is licensed under a Creative Commons Attribution Non Commercial (CC-BY-NC 4.0) License

The structure and seasonal variability of zooplankton associations were analysed over a 1-year period in the Gauarau River Estuary (Southeast Brazil). The spatial segregation of the zooplankton was mainly conditioned by the longitudinal salinity gradient, as revealed by multivariate analysis (see additional information in the publication).

Citation

Fabio Lang da Silveira and Rubens M. Lopes Guarau River Estuary Zooplankton, Southeastern Brazil. WSAOBIS, São Paulo, February 2009, Version 1, Publication.

Published

January 08, 2026 at 17:51

First registration

July 17, 2026 at 12:01

License

This work is licensed under a Creative Commons Attribution Non Commercial (CC-BY-NC 4.0) License

URL

https://ipt.sibbr.gov.br/obis-brasil/resource?r=zooplankton_guarau_river

Archive

https://ipt.sibbr.gov.br/obis-brasil/archive.do?r=zooplankton_guarau_river

Contacts

OBIS Secretariat
Intergovernmental Oceanographic Commission of UNESCO

Alexandre Marino
Centro de Referência em Informação Ambiental (CRIA)

745

total submitted occurrences

690

accepted occurrences

taxa

species

Taxa

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	745		100.0%
occurrenceStatus	745		100.0%

Quality flags

The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.

Flag	Records
ON_LAND	745	100.0%
NOT_MARINE	55	7.4%
NO_ACCEPTED_NAME	2	0.3%
DEPTH_EXCEEDS_BATH	1	0.1%

Zooplankton Guarau River

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data