Seasonal monitoring of deep-sea megabenthos in Barkley Canyon cold seep by internet operated vehicle (IOV)
Publication Date
May 30, 2017
Authors
Carolina Doya, Damianos Chatzievangelou, Nixon Bahamon, Autun Purser, et al
Volume
12
Issue
5
Pages
e0176917
DOI
https://dx.plos.org/10.1371/journal.pone.0176917
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0176917
Scopus
85020017135
Mendeley
http://www.mendeley.com/research/seasonal-monitoring-deepsea-megabenthos-barkley-canyon-cold-seep-internet-operated-vehicle-iov
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Mendeley | Further Information

{"title"=>"Seasonal monitoring of deep-sea megabenthos in Barkley Canyon cold seep by internet operated vehicle (IOV)", "type"=>"journal", "authors"=>[{"first_name"=>"Carolina", "last_name"=>"Doya", "scopus_author_id"=>"55668527000"}, {"first_name"=>"Damianos", "last_name"=>"Chatzievangelou", "scopus_author_id"=>"57053384900"}, {"first_name"=>"Nixon", "last_name"=>"Bahamon", "scopus_author_id"=>"6505956338"}, {"first_name"=>"Autun", "last_name"=>"Purser", "scopus_author_id"=>"35303629300"}, {"first_name"=>"Fabio C.", "last_name"=>"De Leo", "scopus_author_id"=>"24390566700"}, {"first_name"=>"S. Kim", "last_name"=>"Juniper", "scopus_author_id"=>"7003559428"}, {"first_name"=>"Laurenz", "last_name"=>"Thomsen", "scopus_author_id"=>"56253822300"}, {"first_name"=>"Jacopo", "last_name"=>"Aguzzi", "scopus_author_id"=>"55910971100"}], "year"=>2017, "source"=>"PLoS ONE", "identifiers"=>{"scopus"=>"2-s2.0-85020017135", "sgr"=>"85020017135", "doi"=>"10.1371/journal.pone.0176917", "pui"=>"616483461", "isbn"=>"1111111111", "issn"=>"19326203"}, "id"=>"7b6cd0e6-88ab-35b3-833a-638e657526d3", "abstract"=>"Knowledge of the processes shaping deep-sea benthic communities at seasonal scales in cold-seep environments is incomplete. Cold seeps within highly dynamic regions, such as submarine canyons, where variable current regimes may occur, are particularly understudied. Novel Internet Operated Vehicles (IOVs), such as tracked crawlers, provide new techniques for investigating these ecosystems over prolonged periods. In this study a benthic crawler connected to the NEPTUNE cabled infrastructure operated by Ocean Networks Canada was used to monitor community changes across 60 m2 of a cold-seep area of the Barkley Canyon, North East Pacific, at ~890 m depth within an Oxygen Minimum Zone (OMZ). Short video-transects were run at 4-h intervals during the first week of successive calendar months, over a 14 month period (February 14th 2013 to April 14th 2014). Within each recorded transect video megafauna abundances were computed and changes in environmental conditions concurrently measured. The responses of fauna to environmental conditions as a proxy of seasonality were assessed through analysis of abundances in a total of 438 video-transects (over 92 h of total footage). 7698 fauna individuals from 6 phyla (Cnidaria, Ctenophora, Arthropoda, Echinodermata, Mollusca, and Chordata) were logged and patterns in abundances of the 7 most abundant taxa (i.e. rockfish Sebastidae, sablefish Anoplopoma fimbria, hagfish Eptatretus stoutii, buccinids (Buccinoidea), undefined small crabs, ctenophores Bolinopsis infundibulum, and Scyphomedusa Poralia rufescens) were identified. Patterns in the reproductive behaviour of the grooved tanner crab (Chionnecetes tanneri) were also indicated. Temporal variations in biodiversity and abundance in megabenthic fauna was significantly influenced by variabilities in flow velocity flow direction (up or down canyon), dissolved oxygen concentration and month of study. Also reported here for the first time are transient mass aggregations of grooved tanner crabs through these depths of the canyon system, in early spring and likely linked to the crab’s reproductive cycle.", "link"=>"http://www.mendeley.com/research/seasonal-monitoring-deepsea-megabenthos-barkley-canyon-cold-seep-internet-operated-vehicle-iov", "reader_count"=>19, "reader_count_by_academic_status"=>{"Unspecified"=>1, "Researcher"=>7, "Student > Doctoral Student"=>1, "Student > Ph. D. Student"=>4, "Other"=>1, "Student > Master"=>1, "Student > Bachelor"=>2, "Professor"=>1, "Student > Postgraduate"=>1}, "reader_count_by_user_role"=>{"Unspecified"=>1, "Researcher"=>7, "Student > Doctoral Student"=>1, "Student > Ph. D. Student"=>4, "Other"=>1, "Student > Master"=>1, "Student > Bachelor"=>2, "Professor"=>1, "Student > Postgraduate"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>1, "Environmental Science"=>5, "Biochemistry, Genetics and Molecular Biology"=>1, "Agricultural and Biological Sciences"=>7, "Computer Science"=>1, "Earth and Planetary Sciences"=>3, "Engineering"=>1}, "reader_count_by_subdiscipline"=>{"Engineering"=>{"Engineering"=>1}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>3}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>7}, "Computer Science"=>{"Computer Science"=>1}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}, "Unspecified"=>{"Unspecified"=>1}, "Environmental Science"=>{"Environmental Science"=>5}}, "reader_count_by_country"=>{"Canada"=>1}, "group_count"=>1}

Scopus | Further Information

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