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Acoustic detections in Indian Ocean
Thomas Webber, University of St Andrews
Dataset credit
Thomas Webber, University of St Andrews
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Contacts
| Role | Name | Organization | |
|---|
| Primary contact |
Thomas Webber |
University of St Andrews |
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| Data entry |
Ei Fujioka |
Duke University |
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Citation
Webber, T. 2022. Acoustic detections in Indian Ocean. Version 1.0.0. Dataset published in OBIS-SEAMAP. https://doi.org/10.82144/246988d3. Halpin, P.N., A.J. Read, E. Fujioka, B.D. Best, B. Donnelly, L.J. Hazen, C. Kot, K. Urian, E. LaBrecque, A. Dimatteo, J. Cleary, C. Good, L.B. Crowder, and K.D. Hyrenbach. 2009. OBIS-SEAMAP: The world data center for marine mammal, sea bird, and sea turtle distributions. Oceanography. 22(2):104-115.
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Abstract
Acoustic detcetions of odontocetes from over 30,000km of survey effort from
the Arctic, Atlantic, Southern and Indian Oceans, using a streamlined
workflow for increasing the speed of acoustic anakysis for large datasets
utilizing existing modules within PAMGuard.
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Purpose
N/A
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Supplemental information
Each record represents species presence only.
Five records with no coordinates were dropped.
Survey trackline is provided as a static image online.
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Change History
The dataset has been updated over time as outlined below. Each entry includes the version number, release date, type of change, and a short description.
- 1.0.0 (2021-05-26) - Initial
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References
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Attributes
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) |
| fid | FID |
| encounteri | Encounter number |
| eventtype | Classification type |
| whistlecla | PAMGuard Whisle Classification |
| species_code | Species code by provider |
| sp_tsn | ITIS Taxonomic Serial Number added by OBIS-SEAMAP |
| obs_count | Empty |
| sighting | Sighting at time of acoustic detection |
| obs_datetime | Start date/time of encounter |
| endencounter | End date/time of encounter |
| latitude | Latitude in decimal degrees |
| longitude | Longitude in decimal degrees |
| whistlesde | Whistles detected? |
| meanmidfre | mean mid whistle frequency |
| maxupfreqk | mean upper whistle frequency |
| minlowfreq | mean lower whistle frequency |
| clickdetec | Clicks detected? |
| ch2medianf | meadian click frequency channel 2 |
| ch3medianf | meadian click frequency channel 3 |
| ch2meanfre | mean click frequency channel 2 |
| ch3meanfre | mean click frequency channel 3 |
| ch2se | channel 2 click frequency SE |
| ch3se | channel 3 click frequency SE |
| tmperpendi | Distance from track line |
| tmperpen_1 | definition not provided |
| geom | Geometry field added by OBIS-SEAMAP |
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| OBIS-SEAMAP ID | 2156 |
| DOI | 10.82144/246988d3 |
| Version | 1.0.0 |
| Seabirds | 0 |
| Marine mammals | 277 |
| Sea turtles | 0 |
| Rays and sharks | 0 |
| Other species | 0 |
| Non spatial | 0 |
| Non species | 0 |
| Total | 277 |
| Date, Begin | 2021-03-02 |
| Date, End | 2021-03-30 |
| Temporal prec. | 111110 |
| Latitude | -11.68 - -3.61 |
| Longitude | 55.48 - 62.42 |
| Coord. prec. | 6 decimal digits |
| Platform | Boat |
| Data type | Acoustic - presence |
| Effort | N/A |
| Registered | 2021-05-26 |
| Updated | 2022-05-23 |
| Status | Published |
Sharing policy |
CC-BY-NC (Minimum) |
| Shared with |
GBIF
OBIS |
| Metadata in static HTML / FGDC / EML |
| See download history / statistics |
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