Title

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

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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.

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

Responsible

NPiechaud-355

More info

-

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

Layer WMS GetCapabilities document