Identification

Title
Modeled density map of Syringammina fragillissima at a fine scale from the Rockall Bank in North East Atlantic between 1981-2010
Abstract

Fine scale density map of the xenophyophores Syringammina fragillissima (ind. m-2) at a 1200m deep station off Rockall Bank (North East Atlantic) by The University of Plymouth for the Deeplinks project. The drivers of the distribution of this species are poorly known despise its Vulnerable Marine Ecosystems (VME) status and more knowledge on its biology is needed to efficiently manage its conservation. A Convolutional Neural Network was used to measure its density in 58,147 images collected by the AUV Autosub6000 during the JC136 cruise in May 2016. Several environmental data layers (topographic and oceanographic) at 2.5 x 2.5 m resolution were collected by the AUV during the same cruise and used in modelling. Random Forest regression was used to predict the density of the target species in the extent of the environmental layer representing around 3 km2.

License
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Publication Date
Nov. 9, 2022, 3:36 p.m.
Type
Raster Data
Category
Biota
Flora and/or fauna in natural environment. Examples: wildlife, vegetation, biological sciences, ecology, wilderness, sealife, wetlands, habitat.
Regions
Global
Approved
Yes
Published
Yes
Featured
No
DOI
None
Attribution
None
Responsible

Name
Nils Piechaud (NPiechaud-355)
email
nils.piechaud@hi.no
Position
Postdoc
Organization
Havforskningsinstituttet - IMR
Location
Bergen NOR
Voice
None
Fax
None
Information

Identification Image
Spatial Extent
---
Projection System
EPSG:32628
Extension x0
583202.5000000009
Extension x1
586557.5000000009
Extension y0
6471505.000000002
Extension y1
6474070.000000002
Features

Restrictions
otherRestrictions
Language
English
Temporal Extent
Jan. 1, 1981, midnight - Jan. 1, 2010, midnight
Data Quality

Density was measured according to: Piechaud, N. and Howell, K.L., 2022. Fast and accurate mapping of fine scale abundance of a VME in the deep sea with computer vision. Ecological Informatics, 71, p.101786. https://doi.org/10.1016/j.ecoinf.2022.101786

Supplemental Information

No information provided

Spatial Representation Type
grid data is used to represent geographic data
Contact Points

Name
Nils Piechaud (NPiechaud-355)
email
nils.piechaud@hi.no
Position
Postdoc
Organization
Havforskningsinstituttet - IMR
Location
Bergen NOR
Voice
None
Fax
None

References

Link Online
/layers/uop_xenos_density:geonode:uop_xenos_density
Metadata Page
/layers/uop_xenos_density:geonode:uop_xenos_density/metadata_detail

GeoTIFF
Modeled density map of Syringammina fragillissima at a fine scale from the Rockall Bank in North East Atlantic between 1981-2010.geotiff
PNG
Modeled density map of Syringammina fragillissima at a fine scale from the Rockall Bank in North East Atlantic between 1981-2010.png
Thumbnail
Modeled density map of Syringammina fragillissima at a fine scale from the Rockall Bank in North East Atlantic between 1981-2010.png
Legend
Modeled density map of Syringammina fragillissima at a fine scale from the Rockall Bank in North East Atlantic between 1981-2010.png
Original Layer
Modeled density map of Syringammina fragillissima at a fine scale from the Rockall Bank in North East Atlantic between 1981-2010.zip
JPEG
Modeled density map of Syringammina fragillissima at a fine scale from the Rockall Bank in North East Atlantic between 1981-2010.jpg
PDF
Modeled density map of Syringammina fragillissima at a fine scale from the Rockall Bank in North East Atlantic between 1981-2010.pdf

OGC WMS: geonode Service
Geoservice OGC:WMS
OGC WCS: geonode Service
Geoservice OGC:WCS
Metadata Author

Name
Nils Piechaud (NPiechaud-355)
email
nils.piechaud@hi.no
Position
Postdoc
Organization
Havforskningsinstituttet - IMR
Location
Bergen NOR
Voice
None
Fax
None