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Characterization of large basking shark Cetorhinus maximus aggregations in the western North Atlantic Ocean.

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Title: Characterization of large basking shark Cetorhinus maximus aggregations in the western North Atlantic Ocean.
Authors: Crowe, L. M.1 leah.crowe@noaa.gov, O'Brien, O.2, Curtis, T. H.3, Leiter, S. M.2, Kenney, R. D.4, Duley, P.5, Kraus, S. D.2
Source: Journal of Fish Biology. May2018, Vol. 92 Issue 5, p1371-1384. 14p.
Subjects: Basking shark, Sharks, Ocean temperature, Chlorophyll
Geographic Terms: Atlantic Ocean
Abstract: Cetorhinus maximus aggregations recorded during extensive aerial survey efforts off the north‐eastern United States between 1980 and 2013 included aggregations centring on sightings with group sizes of at least 30 individuals. These aggregations occurred in summer and autumn months and included aggregation sizes of up to 1398 individuals, the largest aggregation ever reported for this species. The aggregations were associated with sea surface temperatures of 13–24° C and chlorophyll‐a concentrations of 0·4–2·6 mg m−3 and during one aggregation, a high abundance of zooplankton prey was present. Photogrammetric tools allowed for the estimation of total body lengths ranging between 4 and 8 m. Characterization of these events provides new insight into the potential biological function of large aggregations in this species. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Fish Biology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 129934730
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Characterization of large basking shark Cetorhinus maximus aggregations in the western North Atlantic Ocean.
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  Data: <searchLink fieldCode="AR" term="%22Crowe%2C+L%2E+M%2E%22">Crowe, L. M.</searchLink><relatesTo>1</relatesTo><i> leah.crowe@noaa.gov</i><br /><searchLink fieldCode="AR" term="%22O'Brien%2C+O%2E%22">O'Brien, O.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Curtis%2C+T%2E+H%2E%22">Curtis, T. H.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Leiter%2C+S%2E+M%2E%22">Leiter, S. M.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Kenney%2C+R%2E+D%2E%22">Kenney, R. D.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Duley%2C+P%2E%22">Duley, P.</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22Kraus%2C+S%2E+D%2E%22">Kraus, S. D.</searchLink><relatesTo>2</relatesTo>
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  Data: Cetorhinus maximus aggregations recorded during extensive aerial survey efforts off the north‐eastern United States between 1980 and 2013 included aggregations centring on sightings with group sizes of at least 30 individuals. These aggregations occurred in summer and autumn months and included aggregation sizes of up to 1398 individuals, the largest aggregation ever reported for this species. The aggregations were associated with sea surface temperatures of 13–24° C and chlorophyll‐a concentrations of 0·4–2·6 mg m−3 and during one aggregation, a high abundance of zooplankton prey was present. Photogrammetric tools allowed for the estimation of total body lengths ranging between 4 and 8 m. Characterization of these events provides new insight into the potential biological function of large aggregations in this species. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Fish Biology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Text: English
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      – SubjectFull: Ocean temperature
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              Text: May2018
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