Dynamic seascapes predict the marine occurrence of an endangered species Atlantic Sturgeon iAcipenser oxyrinchus oxyrinchusi

Breece, M.W.; Fox, D.A.; Dunton, K.J.; Frisk, M.G.; Jordaan, A.; Oliver, M.J.

doi:10.1111/2041-210x.12532

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Dynamic seascapes predict the marine occurrence of an endangered species Atlantic Sturgeon iAcipenser oxyrinchus oxyrinchusi

2016
By Breece, M.W. ; Fox, D.A. ; Dunton, K.J. ; ...
Source: Methods Ecol Evol, 7: 725-733

[PDF-1.58 MB]

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Details:

Journal Title:

Methods in Ecology and Evolution
Personal Author:

Breece, M.W. ; Fox, D.A. ; Dunton, K.J. ; Frisk, M.G. ; Jordaan, A. ; ... More +

Breece, M.W. ; Fox, D.A. ; Dunton, K.J. ; Frisk, M.G. ; Jordaan, A. ; Oliver, M.J. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service)
Description:

Categorical landscapes are powerful environmental partitions that index complex biogeochemical processes that drive terrestrial species distributions. However, translating landscapes into seascapes requires that the dynamic nature of the fluid environment be reflected in spatial and temporal boundaries such that seascapes can be used in marine species distribution models and conservation decisions.

A seascape product derived from satellite ocean colour and sea surface temperature partitioned mid-Atlantic coastal waters on scales commensurate with the Atlantic Sturgeon migration. The seascapes were then matched with acoustic telemetry records of Atlantic Sturgeon to determine seascape selectivity. To test for selectivity, we used real-time satellite seascape maps to normalize the sampling of an autonomous underwater vehicle that resampled similar geographic regions with time varying seascape classifications.

Our findings suggest that Atlantic Sturgeon prefer one seascape class over those available in the coastal ocean, indicating selection for covarying environmental properties rather than geographical location.

The recent listing of Atlantic Sturgeon as Endangered throughout much of their United States range has highlighted the need for improved understanding of marine habitat requirements to reduce interactions with anthropogenic stressors. Narrow dynamic migration corridors may enable seascapes to be used as a daily decision tool by industry and managers to reduce interactions with this imperilled species during coastal migrations.
Keywords:

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Conservation Endangered Species Habitat (Ecology)
Source:

Methods Ecol Evol, 7: 725-733
DOI:

https://doi.org/10.1111/2041-210x.12532
Document Type:

Journal Article
Funding:

Grant. No. NA08NMF4050611 ; Grant no. NA10NMF4720030

Grant. No. NA08NMF4050611 ; Grant no. NA10NMF4720030 Less -
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CC BY-NC-ND
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CHORUS
Main Document Checksum:

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urn:sha256:925a70fcaa2d6f1a98b1a17965806785e7965dfe63a8146d98bcdf6066904d29
Download URL:

https://repository.library.noaa.gov/view/noaa/48298/noaa_48298_DS1.pdf
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www.datacite.org

htm

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