Risk of encounters between North Atlantic right whales and recreational vessel traffic in the southeastern United States

Collisions with and disturbance from watercraft represent significant threats to endangered North Atlantic right whales (Eubalaena glacialis). Although several studies have investigated whale cooccurrence with commercial vessels, none has considered recreational vessels. We estimated an index betwee...

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Autores principales:	Nancy L. Montes, Robert Swett, Timothy A. Gowan
Formato:	article
Lenguaje:	EN
Publicado:	Resilience Alliance 2020
Materias:	distribution encounter risk north atlantic right whales recreational vessels Biology (General) QH301-705.5 Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/d1c4f218c80b420497796cc63ceb0dc1
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spelling	oai:doaj.org-article:d1c4f218c80b420497796cc63ceb0dc12021-12-02T18:04:53ZRisk of encounters between North Atlantic right whales and recreational vessel traffic in the southeastern United States1708-308710.5751/ES-11923-250412https://doaj.org/article/d1c4f218c80b420497796cc63ceb0dc12020-12-01T00:00:00Zhttps://www.ecologyandsociety.org/vol25/iss4/art12/https://doaj.org/toc/1708-3087Collisions with and disturbance from watercraft represent significant threats to endangered North Atlantic right whales (Eubalaena glacialis). Although several studies have investigated whale cooccurrence with commercial vessels, none has considered recreational vessels. We estimated an index between relative encounter risk of North Atlantic right whales and recreational vessel traffic in the southeastern USA calving grounds. Sightings of recreational vessels and right whales were recorded during aerial surveys in 2009-2014. We use generalized additive models to estimate relative occurrence of recreational vessels in the study area. We used estimates of relative North Atlantic right whale occurrence from Gowan and Ortega-Ortiz (2014). Results suggest that areas with elevated relative encounter risk were concentrated near navigable inlets. Additionally, temporal variability in these probabilities was influenced more by the spatial migratory patterns of North Atlantic right whales than by the distribution of recreational vessels. Our results can be used to inform the conservation of the North Atlantic right whales by identifying and mitigating areas with high risk of recreational vessel disturbance and collisions.Nancy L. MontesRobert SwettTimothy A. GowanResilience Alliancearticledistributionencounter risknorth atlantic right whalesrecreational vesselsBiology (General)QH301-705.5EcologyQH540-549.5ENEcology and Society, Vol 25, Iss 4, p 12 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	distribution encounter risk north atlantic right whales recreational vessels Biology (General) QH301-705.5 Ecology QH540-549.5
spellingShingle	distribution encounter risk north atlantic right whales recreational vessels Biology (General) QH301-705.5 Ecology QH540-549.5 Nancy L. Montes Robert Swett Timothy A. Gowan Risk of encounters between North Atlantic right whales and recreational vessel traffic in the southeastern United States
description	Collisions with and disturbance from watercraft represent significant threats to endangered North Atlantic right whales (Eubalaena glacialis). Although several studies have investigated whale cooccurrence with commercial vessels, none has considered recreational vessels. We estimated an index between relative encounter risk of North Atlantic right whales and recreational vessel traffic in the southeastern USA calving grounds. Sightings of recreational vessels and right whales were recorded during aerial surveys in 2009-2014. We use generalized additive models to estimate relative occurrence of recreational vessels in the study area. We used estimates of relative North Atlantic right whale occurrence from Gowan and Ortega-Ortiz (2014). Results suggest that areas with elevated relative encounter risk were concentrated near navigable inlets. Additionally, temporal variability in these probabilities was influenced more by the spatial migratory patterns of North Atlantic right whales than by the distribution of recreational vessels. Our results can be used to inform the conservation of the North Atlantic right whales by identifying and mitigating areas with high risk of recreational vessel disturbance and collisions.
format	article
author	Nancy L. Montes Robert Swett Timothy A. Gowan
author_facet	Nancy L. Montes Robert Swett Timothy A. Gowan
author_sort	Nancy L. Montes
title	Risk of encounters between North Atlantic right whales and recreational vessel traffic in the southeastern United States
title_short	Risk of encounters between North Atlantic right whales and recreational vessel traffic in the southeastern United States
title_full	Risk of encounters between North Atlantic right whales and recreational vessel traffic in the southeastern United States
title_fullStr	Risk of encounters between North Atlantic right whales and recreational vessel traffic in the southeastern United States
title_full_unstemmed	Risk of encounters between North Atlantic right whales and recreational vessel traffic in the southeastern United States
title_sort	risk of encounters between north atlantic right whales and recreational vessel traffic in the southeastern united states
publisher	Resilience Alliance
publishDate	2020
url	https://doaj.org/article/d1c4f218c80b420497796cc63ceb0dc1
work_keys_str_mv	AT nancylmontes riskofencountersbetweennorthatlanticrightwhalesandrecreationalvesseltrafficinthesoutheasternunitedstates AT robertswett riskofencountersbetweennorthatlanticrightwhalesandrecreationalvesseltrafficinthesoutheasternunitedstates AT timothyagowan riskofencountersbetweennorthatlanticrightwhalesandrecreationalvesseltrafficinthesoutheasternunitedstates
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Risk of encounters between North Atlantic right whales and recreational vessel traffic in the southeastern United States

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