Dataset

Brazil Trawl-Caught Turtles (aggregated per 1-degree cell)

OBIS-SEAMAP Open in mapper Explore occurrences

Original provider: Brazil Trawl caught turtles Dataset credits: Data provider Fisheries Bycatch Research Group Originating data center Satellite Tracking and Analysis Tool (STAT) Abstract: The continental shelf of Southern Brazil is an important feeding ground for loggerhead sea turtles and for fishing activities. This overlap leads to a high bycatch and mortality of this endangered sea turtle. The aim of this study, with the use of satellite telemetry, are to: i) determine the spatial and temporal patterns of sea turtles distribution in the area; ii) identify preferred areas of use by immature individuals on the continental shelf; and iii) determine the influence of environmental variables such as sea surface temperature and depth on the species distribution. This dataset is a summarized representation of the telemetry locations aggregated per species per 1-degree cell.

Citation: Monteiro D. 2024. Brazil Trawl-Caught Turtles. 1.0.0. Dataset published in OBIS-SEAMAP and originated from Satellite Tracking and Analysis Tool (STAT; http://www.seaturtle.org/tracking/index.shtml?project_id=843). https://doi.org/10.82144/c12b8ad3.

Published: October 08, 2025 at 00:59

URL: http://ipt.env.duke.edu/resource?r=zd_951_1deg

D. Monteiro
Fisheries Bycatch Research Group

Satellite Tracking and Analysis Tool
seaturtle.org

98
occurrence records
1
taxa
1
species

Taxa

Missing and invalid fields

Field Missing Invalid
maximumDepthInMeters 98
100.0%
minimumDepthInMeters 98
100.0%

Quality flags

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

Flag Dropped Records
NO_DEPTH 98
100.0%
ON_LAND 6
6.1%

Measurement types

DNA derived data