Temporal patterns in habitat use by small cetaceans at an oceanographically dynamic marine renewables test site in the Celtic Sea
Shelf-seas are highly dynamic and oceanographically complex environments, which likely influences the spatio-temporal distributions of marine megafauna such as marine mammals. As such, understanding natural patterns in habitat use by these animals is essential when attempting to ascertain and assess...
Published in: | Deep Sea Research Part II: Topical Studies in Oceanography |
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Online Access: | http://plymsea.ac.uk/id/eprint/7479/ http://plymsea.ac.uk/id/eprint/7479/1/Cox_PaperRevisions_MarineMegafaunaSpecialIssue_Draft.pdf https://doi.org/10.1016/j.dsr2.2016.07.001 |
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ftplymouthml:oai:plymsea.ac.uk:7479 2023-05-15T16:33:29+02:00 Temporal patterns in habitat use by small cetaceans at an oceanographically dynamic marine renewables test site in the Celtic Sea Cox, SL Witt, MJ Embling, CB Godley, BJ Hosegood, PJ Miller, PI Votier, SC Ingram, SN 2017-07-01 text http://plymsea.ac.uk/id/eprint/7479/ http://plymsea.ac.uk/id/eprint/7479/1/Cox_PaperRevisions_MarineMegafaunaSpecialIssue_Draft.pdf https://doi.org/10.1016/j.dsr2.2016.07.001 en eng http://plymsea.ac.uk/id/eprint/7479/1/Cox_PaperRevisions_MarineMegafaunaSpecialIssue_Draft.pdf Cox, SL; Witt, MJ; Embling, CB; Godley, BJ; Hosegood, PJ; Miller, PI; Votier, SC; Ingram, SN. 2017 Temporal patterns in habitat use by small cetaceans at an oceanographically dynamic marine renewables test site in the Celtic Sea [in special issue: European Marine Megafauna] Deep Sea Research Part II: Topical Studies in Oceanography, 141. 178-190. https://doi.org/10.1016/j.dsr2.2016.07.001 <https://doi.org/10.1016/j.dsr2.2016.07.001> cc_by_nc_nd_4 CC-BY-NC-ND Earth Observation - Remote Sensing Marine Sciences Oceanography Publication - Article PeerReviewed 2017 ftplymouthml https://doi.org/10.1016/j.dsr2.2016.07.001 2022-09-13T05:49:00Z Shelf-seas are highly dynamic and oceanographically complex environments, which likely influences the spatio-temporal distributions of marine megafauna such as marine mammals. As such, understanding natural patterns in habitat use by these animals is essential when attempting to ascertain and assess the impacts of anthropogenically induced disturbances, such as those associated with marine renewable energy installations (MREIs). This study uses a five year (2009–2013) passive acoustics (C-POD) dataset to examine the use of an oceanographically dynamic marine renewable energy test site by small cetaceans, dolphins (unspecified delphinids) and harbour porpoises Phocoena phocoena, in the southern Celtic Sea. To examine how temporal patterns in habitat use across the site related to oceanographic changes occurring over broad seasonal scales as well as those driven by fine scale (bi-weekly) localised processes (that may be masked by seasonal trends), separate analyses were conducted using (1) all daily animal detection rates spanning the entire five year dataset and (2) daily animal detection rates taken only during the summer months (defined as mid-June to mid-October) of 2010 (when continuous monitoring was carried out at multiple discrete locations across the site). In both instances, generalised additive mixed effects models (GAMMs) were used to link detection rates to a suite of environmental variables representative of the oceanography of the region. We show that increased harbour porpoise detection rates in the late winter/early spring (January–March) are associated with low sea surface temperatures (SST), whilst peaks in dolphin detection rates in the summer (July–September) coincide with increased SSTs and the presence of a tidal-mixing front. Moreover, across the summer months of 2010, dolphin detection rates were found to respond to small scale changes in SST and position in the spring-neap cycle, possibly reflective of a preference for the stratified waters immediately offshore of the front. Together, ... Article in Journal/Newspaper Harbour porpoise Phocoena phocoena Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML) Deep Sea Research Part II: Topical Studies in Oceanography 141 178 190 |
institution |
Open Polar |
collection |
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML) |
op_collection_id |
ftplymouthml |
language |
English |
topic |
Earth Observation - Remote Sensing Marine Sciences Oceanography |
spellingShingle |
Earth Observation - Remote Sensing Marine Sciences Oceanography Cox, SL Witt, MJ Embling, CB Godley, BJ Hosegood, PJ Miller, PI Votier, SC Ingram, SN Temporal patterns in habitat use by small cetaceans at an oceanographically dynamic marine renewables test site in the Celtic Sea |
topic_facet |
Earth Observation - Remote Sensing Marine Sciences Oceanography |
description |
Shelf-seas are highly dynamic and oceanographically complex environments, which likely influences the spatio-temporal distributions of marine megafauna such as marine mammals. As such, understanding natural patterns in habitat use by these animals is essential when attempting to ascertain and assess the impacts of anthropogenically induced disturbances, such as those associated with marine renewable energy installations (MREIs). This study uses a five year (2009–2013) passive acoustics (C-POD) dataset to examine the use of an oceanographically dynamic marine renewable energy test site by small cetaceans, dolphins (unspecified delphinids) and harbour porpoises Phocoena phocoena, in the southern Celtic Sea. To examine how temporal patterns in habitat use across the site related to oceanographic changes occurring over broad seasonal scales as well as those driven by fine scale (bi-weekly) localised processes (that may be masked by seasonal trends), separate analyses were conducted using (1) all daily animal detection rates spanning the entire five year dataset and (2) daily animal detection rates taken only during the summer months (defined as mid-June to mid-October) of 2010 (when continuous monitoring was carried out at multiple discrete locations across the site). In both instances, generalised additive mixed effects models (GAMMs) were used to link detection rates to a suite of environmental variables representative of the oceanography of the region. We show that increased harbour porpoise detection rates in the late winter/early spring (January–March) are associated with low sea surface temperatures (SST), whilst peaks in dolphin detection rates in the summer (July–September) coincide with increased SSTs and the presence of a tidal-mixing front. Moreover, across the summer months of 2010, dolphin detection rates were found to respond to small scale changes in SST and position in the spring-neap cycle, possibly reflective of a preference for the stratified waters immediately offshore of the front. Together, ... |
format |
Article in Journal/Newspaper |
author |
Cox, SL Witt, MJ Embling, CB Godley, BJ Hosegood, PJ Miller, PI Votier, SC Ingram, SN |
author_facet |
Cox, SL Witt, MJ Embling, CB Godley, BJ Hosegood, PJ Miller, PI Votier, SC Ingram, SN |
author_sort |
Cox, SL |
title |
Temporal patterns in habitat use by small cetaceans at an oceanographically dynamic marine renewables test site in the Celtic Sea |
title_short |
Temporal patterns in habitat use by small cetaceans at an oceanographically dynamic marine renewables test site in the Celtic Sea |
title_full |
Temporal patterns in habitat use by small cetaceans at an oceanographically dynamic marine renewables test site in the Celtic Sea |
title_fullStr |
Temporal patterns in habitat use by small cetaceans at an oceanographically dynamic marine renewables test site in the Celtic Sea |
title_full_unstemmed |
Temporal patterns in habitat use by small cetaceans at an oceanographically dynamic marine renewables test site in the Celtic Sea |
title_sort |
temporal patterns in habitat use by small cetaceans at an oceanographically dynamic marine renewables test site in the celtic sea |
publishDate |
2017 |
url |
http://plymsea.ac.uk/id/eprint/7479/ http://plymsea.ac.uk/id/eprint/7479/1/Cox_PaperRevisions_MarineMegafaunaSpecialIssue_Draft.pdf https://doi.org/10.1016/j.dsr2.2016.07.001 |
genre |
Harbour porpoise Phocoena phocoena |
genre_facet |
Harbour porpoise Phocoena phocoena |
op_relation |
http://plymsea.ac.uk/id/eprint/7479/1/Cox_PaperRevisions_MarineMegafaunaSpecialIssue_Draft.pdf Cox, SL; Witt, MJ; Embling, CB; Godley, BJ; Hosegood, PJ; Miller, PI; Votier, SC; Ingram, SN. 2017 Temporal patterns in habitat use by small cetaceans at an oceanographically dynamic marine renewables test site in the Celtic Sea [in special issue: European Marine Megafauna] Deep Sea Research Part II: Topical Studies in Oceanography, 141. 178-190. https://doi.org/10.1016/j.dsr2.2016.07.001 <https://doi.org/10.1016/j.dsr2.2016.07.001> |
op_rights |
cc_by_nc_nd_4 |
op_rightsnorm |
CC-BY-NC-ND |
op_doi |
https://doi.org/10.1016/j.dsr2.2016.07.001 |
container_title |
Deep Sea Research Part II: Topical Studies in Oceanography |
container_volume |
141 |
container_start_page |
178 |
op_container_end_page |
190 |
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1766023175125073920 |