Cetacean coordinated transborder monitoring using ferries as platforms of observation off Tunisia 2013-2014 - Ketos

Atutax, Ketos, ISPRA, ACCOBAMS

Within the framework of the ACCOBAMS agreement a partnership of Italian and Tunisian research bodies is investigating the presence of cetacean, and the relationship with maritime traffic, within the region comprise among Tunisia-Sicily-Sardinia considered a critical habitat for cetacean species. To be able to systematically investigate the region, especially in high sea areas and all year round, ferries are used as platform of observations. Floating marine litter is experimentally investigated

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The original data provided by ITUCRE include data owned by Atutax and Ketos, which is indicated in the data_owner column. Upon provider's request, the data are split into two datasets based on the ownership and this dataset includes those owned by Ketos.

Twenty unidentified sightings were removed from the original data upon provider's request.

A few sightings observed D.delphis and S.coeruleoalba together. Such sightings are split into two records, one for each species. The notes column mentions this processing.

Overview

This section explains attributes included in the original dataset. OBIS-SEAMAP restricts the attributes available to the public to date/time, lat/lon and species names/counts only. Should you need other attributes described here, you are encouraged to contact the data provider.

Attributes described below represent those in the original dataset provided by the provider.
Only minimum required attributes are visible and downloadable online. Other attributes may be obtained upon provider's permission.

Attributes in dataset

Attribute (table column)	Description
oid	Unique ID number (generated by OBIS-SEAMAP)
obs_date	Observation date
obs_time	Time of the observation (local time zone)
latitude	Latitude in decimal degrees
longitude	Longitude in decimal degrees
sp_obs	Species name recorded
sp_tsn	Taxonomic Serial Number added by OBIS-SEAMAP
obs_count	best estimate of number of animals
data_owner	Data owner
owner_email	Owner
validator	Validator
validator_email	Validator
notes	Notes
geom	Geometry field added by OBIS-SEAMAP