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<mods:title id="893D0EBF6032CDDDFA8376042E56A7C1">First record of Dosima fascicularis (Ellis &amp; Solander, 1786) (Crustacea, Cirripedia) from Algerian waters (Western Mediterranean)</mods:title>
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<mods:affiliation id="A5C5B5432A4B0788C036E82EB0322DAD">CNRDPA, National Centre for Research and Development of Fisheries and Aquaculture, Tipaza (42), Algeria</mods:affiliation>
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<paragraph id="76006255A7510A22EF9EF904F03609BB" blockId="0.[151,1436,1698,1964]" box="[151,593,1732,1756]" pageId="0" pageNumber="577">
<heading id="2D48D539A7510A22EF9EF904F03609BB" box="[151,593,1732,1756]" level="2" pageId="0" pageNumber="577">
The buoy barnacle,
<taxonomicName id="B1BF19D6A7510A22EE7BF904F02E09BB" authorityName="Crustacea, Cirripedia" baseAuthorityName="Ellis &amp; Solander" baseAuthorityYear="1786" box="[370,585,1732,1756]" class="Maxillopoda" family="Lepadidae" genus="Dosima" kingdom="Animalia" order="Pedunculata" pageId="0" pageNumber="577" phylum="Arthropoda" rank="species" species="fascicularis">
<emphasis id="44CBBE47A7510A22EE7BF904F02E09BB" box="[370,585,1732,1756]" italics="true" pageId="0" pageNumber="577">Dosima fascicularis</emphasis>
</taxonomicName>
,
</heading>
</paragraph>
</subSubSection>
<subSubSection id="3EA531DEA7510A22ED53F904F7F608CB" pageId="0" pageNumber="577" type="description">
<paragraph id="76006255A7510A22ED53F904F7F608CB" blockId="0.[151,1436,1698,1964]" pageId="0" pageNumber="577">
is a pedunculate barnacle with a swollen capitulum bearing five large plates (two scuta, two terga and a carina) and a naked stalk. The shell plates are very thin and delicate. The tergum and the scutum are translucent, light bluish-purple in color, with their external surfaces delicately granular (
<figureCitation id="EE847ED0A7510A22EBCDF8CBF7020846" box="[1220,1381,1802,1825]" captionStart="FIGURE 2" captionStartId="1.[151,244,1942,1963]" captionTargetBox="[340,1247,1186,1918]" captionTargetId="figure@1.[340,1247,1186,1918]" captionTargetPageId="1" captionText="FIGURE 2. (a, b) Several specimens of D. fascicularis attached to float. (c) float. (d) capitulum and peduncle. (e) float surface detail. LT, total length; LC, capitular length; LP, peduncular length; WC, capitular width. Scale bar 20 mm." figureDoi="http://doi.org/10.5281/zenodo.4019291" httpUri="https://zenodo.org/record/4019291/files/figure.png" pageId="0" pageNumber="577">Figure 2a, b, d</figureCitation>
). All seven specimens were attached to a large float, constructed by the barnacle around the original substratum, a piece of wood (
<figureCitation id="EE847ED0A7510A22EFE9F88EF35C0801" box="[224,315,1871,1894]" captionStart="FIGURE 2" captionStartId="1.[151,244,1942,1963]" captionTargetBox="[340,1247,1186,1918]" captionTargetId="figure@1.[340,1247,1186,1918]" captionTargetPageId="1" captionText="FIGURE 2. (a, b) Several specimens of D. fascicularis attached to float. (c) float. (d) capitulum and peduncle. (e) float surface detail. LT, total length; LC, capitular length; LP, peduncular length; WC, capitular width. Scale bar 20 mm." figureDoi="http://doi.org/10.5281/zenodo.4019291" httpUri="https://zenodo.org/record/4019291/files/figure.png" pageId="0" pageNumber="577">Figure 2</figureCitation>
ac, e). The maximum size recorded for the species in European waters is
<quantity id="B147CFB0A7510A22EB5AF88EF6F80801" box="[1107,1183,1871,1894]" metricMagnitude="-2" metricUnit="m" metricValue="3.7" pageId="0" pageNumber="577" unit="mm" value="37.0">37 mm</quantity>
(
<bibRefCitation id="122E1FA4A7510A22EBA5F88EF7210801" author="Minchin, D." box="[1196,1350,1871,1894]" pageId="0" pageNumber="577" pagination="855 - 859" refId="ref2006" refString="Minchin, D. (1996) Tar pellets and plastics as attachment surfaces for lepadid cirripedes in the North Atlantic Ocean. Marine Pollution Bulletin, 32 (12), 855 - 859. https: // doi. org / 10.1016 / S 0025 - 326 X (96) 00045 - 8" type="journal article" year="1996">Minchin 1996</bibRefCitation>
) and
<quantity id="B147CFB0A7510A22EA88F88EF2A608EE" metricMagnitude="-2" metricUnit="m" metricValue="4.9" pageId="0" pageNumber="577" unit="mm" value="49.0">49 mm</quantity>
in South African waters (
<bibRefCitation id="122E1FA4A7510A22EEECF8B3F0BF08EE" author="Ryan, P. G. &amp; Branch, G. M." box="[485,728,1906,1929]" pageId="0" pageNumber="577" pagination="157 - 162" refId="ref2101" refString="Ryan, P. G. &amp; Branch, G. M. (2012) The November 2011 irruption of buoy barnacles Dosima fascicularis in the Western Cape, South Africa. African Journal of Marine Science, 34 (1), 157 - 162. https: // doi. org / 10.2989 / 1814232 X. 2012.675130" type="journal article" year="2012">Ryan &amp; Branch 2012</bibRefCitation>
). The average size of the specimens from the Algerian basin is relatively larger than that of the individuals from Maltese (
<bibRefCitation id="122E1FA4A7510A22EC0EF854F1F408CB" author="Mifsud, C." box="[775,915,1941,1964]" pageId="0" pageNumber="577" pagination="131 - 133" refId="ref1954" refString="Mifsud, C. (2005) On the occurrence of the Buoy Barnacle Dosima fascicularis Ellis &amp; Solander, 1786 (Cirripedia: Lepadidae) in Maltese waters with new records of other species of Thoracica. The Central Mediterranean Naturalist, 4 (2), 131 - 133." type="journal article" year="2005">Mifsud 2005</bibRefCitation>
) and Italian waters (
<bibRefCitation id="122E1FA4A7510A22EB64F854F77B08CB" author="Betti, F. &amp; Bavestrello, G. &amp; Bo, M. &amp; Coppari, M. &amp; Enrichetti, F. &amp; Manuele, M. &amp; Cattaneo-Vietti, R." box="[1133,1308,1940,1964]" pageId="0" pageNumber="577" pagination="488 - 495" refId="ref1395" refString="Betti, F., Bavestrello, G., Bo, M., Coppari, M., Enrichetti, F., Manuele, M. &amp; Cattaneo-Vietti, R. (2017) Exceptional strandings of the purple snail Janthina pallida Thompson, 1840 (Gastropoda: Epitoniidae) and first record of an alien goose barnacle along the Ligurian coast (western Mediterranean Sea). The European Zoological Journal, 84 (1), 488 - 495. https: // doi. org / 10.1080 / 24750263.2017.1379562" type="journal article" year="2017">
Betti
<emphasis id="44CBBE47A7510A22EBA0F854F6BF08CB" box="[1193,1240,1940,1964]" italics="true" pageId="0" pageNumber="577">et al</emphasis>
. 2017
</bibRefCitation>
) (Table 1).
</paragraph>
</subSubSection>
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<paragraph id="76006255A7500A23EF9EFD47F0170DFC" blockId="1.[151,624,646,667]" box="[151,624,646,667]" pageId="1" pageNumber="578">
<emphasis id="44CBBE47A7500A23EF9EFD47F3610DFC" bold="true" box="[151,262,646,667]" pageId="1" pageNumber="578">FIGURE 1</emphasis>
. Study Area (eastern Algerian coast).
</paragraph>
</caption>
<caption id="22C032DDA7500A23EF9EFD07F6A30DBA" ID-Table-UUID="22C032DDA7500A23EF9EFD07F6A30DBA" box="[151,1220,709,734]" httpUri="http://table.plazi.org/id/22C032DDA7500A23EF9EFD07F6A30DBA" pageId="1" pageNumber="578" startId="1.[151,239,710,733]" targetBox="[159,1424,761,1083]" targetIsTable="true" targetPageId="1">
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<emphasis id="44CBBE47A7500A23EF9EFD07F3600DBA" bold="true" box="[151,263,710,733]" pageId="1" pageNumber="578">TABLE I.</emphasis>
Measurements of individuals of
<taxonomicName id="B1BF19D6A7500A23ED6FFD06F1640DBA" authorityName="Crustacea, Cirripedia" baseAuthorityName="Ellis &amp; Solander" baseAuthorityYear="1786" box="[614,771,709,734]" class="Maxillopoda" family="Lepadidae" genus="Dosima" kingdom="Animalia" order="Pedunculata" pageId="1" pageNumber="578" phylum="Arthropoda" rank="species" species="fascicularis">
<emphasis id="44CBBE47A7500A23ED6FFD06F1640DBA" box="[614,771,709,734]" italics="true" pageId="1" pageNumber="578">D. fascicularis</emphasis>
</taxonomicName>
from Algerian and Mediterranean waters.
</paragraph>
</caption>
<paragraph id="76006255A7500A23EF96FD38F69F0B5C" pageId="1" pageNumber="578">
<table id="04BF90F5A750F5DDEF96FD38F7F70B5C" box="[159,1424,761,1083]" gridcols="5" gridrows="6" pageId="1" pageNumber="578">
<tr id="C88F6017A750F5DDEF96FD38F7F70C69" box="[159,1424,761,782]" gridrow="0" pageId="1" pageNumber="578">
<th id="8B5E096BA750F5DDEF96FD38F7F70C69" box="[159,1424,761,782]" colspan="5" colspanRight="4" gridcol="0" gridrow="0" pageId="1" pageNumber="578">
<emphasis id="44CBBE47A7500A23EF96FD38F3250C69" bold="true" box="[159,322,761,782]" pageId="1" pageNumber="578">Algerian waters</emphasis>
</th>
</tr>
<tr id="C88F6017A750F5DDEF96FCE1F7F70C35" box="[159,1424,800,850]" gridrow="1" pageId="1" pageNumber="578">
<th id="8B5E096BA750F5DDEF96FCE1F3500C35" box="[159,311,800,850]" gridcol="0" gridrow="1" pageId="1" pageNumber="578">Specimen Parameters</th>
<td id="8B5E096BA750F5DDEE73FCE1F1560C35" box="[378,817,800,850]" colspan="2" colspanRight="1" gridcol="1" gridrow="1" pageId="1" pageNumber="578">Length range/mean Capitulum length range/ (LT.mm) mean (LC.mm)</td>
<td id="8B5E096BA750F5DDEC69FCE1F65C0C35" box="[864,1083,800,850]" gridcol="3" gridrow="1" pageId="1" pageNumber="578">Peduncle length range/ mean (LP.mm)</td>
<td id="8B5E096BA750F5DDEB71FCE1F7F70C35" box="[1144,1424,800,850]" gridcol="4" gridrow="1" pageId="1" pageNumber="578">Capitulum width range/mean (CW.mm)</td>
</tr>
<tr id="C88F6017A750F5DDEF96FC40F7F70CF1" box="[159,1424,897,918]" gridrow="2" pageId="1" pageNumber="578">
<th id="8B5E096BA750F5DDEF96FC40F3500CF1" box="[159,311,897,918]" gridcol="0" gridrow="2" pageId="1" pageNumber="578">Average size</th>
<td id="8B5E096BA750F5DDEE73FC40F3880CF1" box="[378,495,897,918]" gridcol="1" gridrow="2" pageId="1" pageNumber="578">33-46/39.71</td>
<td id="8B5E096BA750F5DDED41FC40F1560CF1" box="[584,817,897,918]" gridcol="2" gridrow="2" pageId="1" pageNumber="578">14-29/22.29</td>
<td id="8B5E096BA750F5DDEC69FC40F65C0CF1" box="[864,1083,897,918]" gridcol="3" gridrow="2" pageId="1" pageNumber="578">13.86</td>
<td id="8B5E096BA750F5DDEB71FC40F7F70CF1" box="[1144,1424,897,918]" gridcol="4" gridrow="2" pageId="1" pageNumber="578">16.14</td>
</tr>
<tr id="C88F6017A750F5DDEF96FC65F7F70CDE" box="[159,1424,932,953]" gridrow="3" pageId="1" pageNumber="578">
<th id="8B5E096BA750F5DDEF96FC65F7F70CDE" box="[159,1424,932,953]" colspan="5" colspanRight="4" gridcol="0" gridrow="3" pageId="1" pageNumber="578">
<emphasis id="44CBBE47A7500A23EF96FC65F3E50CDE" bold="true" box="[159,386,932,953]" pageId="1" pageNumber="578">Mediterranean waters</emphasis>
</th>
</tr>
<tr id="C88F6017A750F5DDEF96FC0DF7F70C86" box="[159,1424,972,993]" gridrow="4" pageId="1" pageNumber="578" rowspan-1="1">
<th id="8B5E096BA750F5DDEF96FC0DF3500C86" box="[159,311,972,993]" gridcol="0" gridrow="4" pageId="1" pageNumber="578">Locality</th>
<td id="8B5E096BA750F5DDED41FC0DF1560C86" box="[584,817,972,993]" gridcol="2" gridrow="4" pageId="1" pageNumber="578">Date</td>
<td id="8B5E096BA750F5DDEC69FC0DF65C0C86" box="[864,1083,972,993]" gridcol="3" gridrow="4" pageId="1" pageNumber="578">Habitat</td>
<td id="8B5E096BA750F5DDEB71FC0DF7F70C86" box="[1144,1424,972,993]" gridcol="4" gridrow="4" pageId="1" pageNumber="578">Reference</td>
</tr>
<tr id="C88F6017A750F5DDEF96FC2BF7F70B5C" box="[159,1424,1002,1083]" gridrow="5" pageId="1" pageNumber="578">
<th id="8B5E096BA750F5DDEF96FC2BF3500B5C" box="[159,311,1002,1083]" gridcol="0" gridrow="5" pageId="1" pageNumber="578">Liguria shores Maltese waters Algerian waters</th>
<td id="8B5E096BA750F5DDEE73FC2BF3880B5C" box="[378,495,1002,1083]" gridcol="1" gridrow="5" pageId="1" pageNumber="578">20 mm 30 mm 46mm</td>
<td id="8B5E096BA750F5DDED41FC2BF1560B5C" box="[584,817,1002,1083]" gridcol="2" gridrow="5" pageId="1" pageNumber="578">2017-May 2004-May 2018-April</td>
<td id="8B5E096BA750F5DDEC69FC2BF65C0B5C" box="[864,1083,1002,1083]" gridcol="3" gridrow="5" pageId="1" pageNumber="578">Sandy beach Sandy beach Rocky beach</td>
<td id="8B5E096BA750F5DDEB71FC2BF7F70B5C" box="[1144,1424,1002,1083]" gridcol="4" gridrow="5" pageId="1" pageNumber="578">
<bibRefCitation id="122E1FA4A7500A23EB71FC2BF7750C98" author="Betti, F. &amp; Bavestrello, G. &amp; Bo, M. &amp; Coppari, M. &amp; Enrichetti, F. &amp; Manuele, M. &amp; Cattaneo-Vietti, R." box="[1144,1298,1002,1023]" pageId="1" pageNumber="578" pagination="488 - 495" refId="ref1395" refString="Betti, F., Bavestrello, G., Bo, M., Coppari, M., Enrichetti, F., Manuele, M. &amp; Cattaneo-Vietti, R. (2017) Exceptional strandings of the purple snail Janthina pallida Thompson, 1840 (Gastropoda: Epitoniidae) and first record of an alien goose barnacle along the Ligurian coast (western Mediterranean Sea). The European Zoological Journal, 84 (1), 488 - 495. https: // doi. org / 10.1080 / 24750263.2017.1379562" type="journal article" year="2017">
Betti
<emphasis id="44CBBE47A7500A23EBA5FC2BF6BA0C98" box="[1196,1245,1002,1023]" italics="true" pageId="1" pageNumber="578">et al.</emphasis>
2017
</bibRefCitation>
<bibRefCitation id="122E1FA4A7500A23EB71FBC9F6940B7A" author="Mifsud, C." box="[1144,1267,1032,1053]" pageId="1" pageNumber="578" pagination="131 - 133" refId="ref1954" refString="Mifsud, C. (2005) On the occurrence of the Buoy Barnacle Dosima fascicularis Ellis &amp; Solander, 1786 (Cirripedia: Lepadidae) in Maltese waters with new records of other species of Thoracica. The Central Mediterranean Naturalist, 4 (2), 131 - 133." type="journal article" year="2005">Mifsud 2005</bibRefCitation>
Present study
</td>
</tr>
</table>
</paragraph>
<caption id="22C032DDA7500A23EF9EF857F63F08AE" ID-DOI="http://doi.org/10.5281/zenodo.4019291" ID-Zenodo-Dep="4019291" httpUri="https://zenodo.org/record/4019291/files/figure.png" pageId="1" pageNumber="578" startId="1.[151,244,1942,1963]" targetBox="[340,1247,1186,1918]" targetPageId="1">
<paragraph id="76006255A7500A23EF9EF857F63F08AE" blockId="1.[151,1437,1942,1993]" pageId="1" pageNumber="578">
<emphasis id="44CBBE47A7500A23EF9EF857F32008CC" bold="true" box="[151,327,1942,1963]" pageId="1" pageNumber="578">FIGURE 2. (a, b)</emphasis>
Several specimens of
<taxonomicName id="B1BF19D6A7500A23ED17F857F0CC08CC" authorityName="Crustacea, Cirripedia" baseAuthorityName="Ellis &amp; Solander" baseAuthorityYear="1786" box="[542,683,1942,1963]" class="Maxillopoda" family="Lepadidae" genus="Dosima" kingdom="Animalia" order="Pedunculata" pageId="1" pageNumber="578" phylum="Arthropoda" rank="species" species="fascicularis">
<emphasis id="44CBBE47A7500A23ED17F857F0CC08CC" box="[542,683,1942,1963]" italics="true" pageId="1" pageNumber="578">D. fascicularis</emphasis>
</taxonomicName>
attached to float.
<emphasis id="44CBBE47A7500A23EC5EF857F11608CC" bold="true" box="[855,881,1942,1963]" pageId="1" pageNumber="578">(c)</emphasis>
float.
<emphasis id="44CBBE47A7500A23ECA6F857F1AB08CC" bold="true" box="[943,972,1942,1963]" pageId="1" pageNumber="578">(d)</emphasis>
capitulum and peduncle.
<emphasis id="44CBBE47A7500A23EBCAF857F6BA08CC" bold="true" box="[1219,1245,1942,1963]" pageId="1" pageNumber="578">(e)</emphasis>
float surface detail. LT, total length; LC, capitular length; LP, peduncular length; WC, capitular width. Scale bar 20 mm.
</paragraph>
</caption>
<subSection id="1F307BBEA7530A20EF9EFF59F7F10C88" pageId="2" pageNumber="579" type="discussion">
<subSubSection id="3EA531DEA7530A20EF9EFF59F64B0EA3" pageId="2" pageNumber="579" type="discussion">
<paragraph id="76006255A7530A20EF9EFF59F37C0FD5" blockId="2.[151,1436,152,1007]" box="[151,283,152,178]" pageId="2" pageNumber="579">
<emphasis id="44CBBE47A7530A20EF9EFF59F37C0FD5" bold="true" box="[151,283,152,178]" pageId="2" pageNumber="579">Discussion</emphasis>
</paragraph>
<paragraph id="76006255A7530A20EF9EFF7BF64B0EA3" blockId="2.[151,1436,152,1007]" pageId="2" pageNumber="579">
<materialsCitation id="C6D76808A7530A20EF9EFF7BF64F0EA3" ID-GBIF-Occurrence="2857969301" collectingDate="2018-04" country="Gibraltar" location="Gibraltar" pageId="2" pageNumber="579" specimenCount="1">
The pelagic
<taxonomicName id="B1BF19D6A7530A20EE15FF7BF3950FB6" authorityName="Crustacea, Cirripedia" baseAuthorityName="Ellis &amp; Solander" baseAuthorityYear="1786" box="[284,498,185,209]" class="Maxillopoda" family="Lepadidae" genus="Dosima" kingdom="Animalia" order="Pedunculata" pageId="2" pageNumber="579" phylum="Arthropoda" rank="species" species="fascicularis">
<emphasis id="44CBBE47A7530A20EE15FF7BF3950FB6" box="[284,498,185,209]" italics="true" pageId="2" pageNumber="579">Dosima fascicularis</emphasis>
</taxonomicName>
is an abundant species in temperate waters of both northern and southern hemispheres.
<bibRefCitation id="122E1FA4A7530A20EF9EFF1CF32B0F93" author="Weisbord, N. E." box="[151,332,221,244]" pageId="2" pageNumber="579" pagination="1 - 156" refId="ref2376" refString="Weisbord, N. E. (1979) Lepadomorph and Verrucomorph barnacles (Cirripedia) of Florida and adjacent waters, with an addendum on the Rhizocephala. Bulletins of American Paleontology, 76, 1 - 156." type="journal article" year="1979">Weisbord (1979)</bibRefCitation>
provided an updated list of the world-wide occurrences of
<taxonomicName id="B1BF19D6A7530A20ECDAFF1CF6160F93" authorityName="Crustacea, Cirripedia" baseAuthorityName="Ellis &amp; Solander" baseAuthorityYear="1786" box="[979,1137,220,244]" class="Maxillopoda" family="Lepadidae" genus="Dosima" kingdom="Animalia" order="Pedunculata" pageId="2" pageNumber="579" phylum="Arthropoda" rank="species" species="fascicularis">
<emphasis id="44CBBE47A7530A20ECDAFF1CF6160F93" box="[979,1137,220,244]" italics="true" pageId="2" pageNumber="579">D. fascicularis</emphasis>
</taxonomicName>
. The species is common in temperate waters, but is also observed occasionally in higher latitudes and in the tropics.
<bibRefCitation id="122E1FA4A7530A20EB57FEC1F7FC0E70" author="Sciberras, M. &amp; Schembri, P. J." box="[1118,1435,256,279]" pageId="2" pageNumber="579" pagination="41 - 66" refId="ref2162" refString="Sciberras, M. &amp; Schembri, P. J. (2007) A critical review of records of alien marine species from the Maltese Islands and surrounding waters (Central Mediterranean). Mediterranean Marine Science, 8 (1), 41 - 66. https: // doi. org / 10.12681 / mms. 162" type="journal article" year="2007">Sciberras &amp; Schembri (2007)</bibRefCitation>
commented that, as this species is common in the Atlantic Ocean, it could accidentally enter the Mediterranean Sea through the Straits of
<collectingCountry id="0EA822C5A7530A20EE76FE84F3860E3B" box="[383,481,325,348]" name="Gibraltar" pageId="2" pageNumber="579">Gibraltar</collectingCountry>
. Recent changes in Mediterranean surface water temperatures, related to global warming, are affecting circulation (
<bibRefCitation id="122E1FA4A7530A20EEA8FEA9F0F50E18" author="Theocharis, A. &amp; Kontoyiannis, H." box="[417,658,359,383]" pageId="2" pageNumber="579" pagination="453 - 464" refId="ref2222" refString="Theocharis, A. &amp; Kontoyiannis, H. (1999) Interannual variability of the circulation and hydrography in the Eastern Mediterranean (1986 - 1995). In: Malanotte-Rizzoli, P. &amp; Eremeev, V. N. (Eds.), NATO / Science Series 2, Environmental Security, Vol. 51, The Eastern Mediterranean as a Laboratory Basin for the Assessment of Contrasting Ecosystems. Kluwer Academic Publishers, pp. 453 - 464. https: // doi. org / 10.1007 / 978 - 94 - 011 - 4796 - 5 _ 33" type="book chapter" year="1999">
Theocharis
<emphasis id="44CBBE47A7530A20ED29FEA9F0320E18" box="[544,597,359,383]" italics="true" pageId="2" pageNumber="579">et al.</emphasis>
1999
</bibRefCitation>
) and may be linked to new ingressions and stranding episodes of floating organisms from the Atlantic Ocean (Betty 2017). The weather on the Algerian coast was unstable throughout
<date id="02014495A7530A20EA2EFE4BF7FC0EC6" box="[1319,1435,394,417]" pageId="2" pageNumber="579" value="2018-04">
<collectingDate id="1245BD7DA7530A20EA2EFE4BF7FC0EC6" box="[1319,1435,394,417]" pageId="2" pageNumber="579" value="2018-04">April 2018</collectingDate>
</date>
and
<collectingCountry id="0EA822C5A7530A20EFCDFE6CF3730EA3" box="[196,276,429,452]" name="Algeria" pageId="2" pageNumber="579">Algeria</collectingCountry>
is among the countries at high risk of climate change. (UNU-EHS, 2017)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="3EA531DEA7530A20EFCEFE11F3BE0D28" pageId="2" pageNumber="579" type="materials_examined">
<paragraph id="76006255A7530A20EFCEFE11F3BE0D28" blockId="2.[151,1436,152,1007]" pageId="2" pageNumber="579">
The seven live specimens reported on herein were collected on the east coast of the Algerian Basin and
<quantity id="B147CFB0A7530A20EA32FE11F7FC0E80" box="[1339,1435,464,487]" metricMagnitude="6" metricUnit="m" metricValue="1.026" pageId="2" pageNumber="579" unit="km" value="1026.0">1026 km</quantity>
from the
<collectingCountry id="0EA822C5A7530A20EFFEFE33F3300D6E" box="[247,343,498,521]" name="Gibraltar" pageId="2" pageNumber="579">Gibraltar</collectingCountry>
Strait, which is the only source of exchange with the Atlantic Ocean. Therefore, we cannot exclude the possibility that the specimens incidentally entered the Mediterranean through the Straits of
<collectingCountry id="0EA822C5A7530A20EB7BFDD4F6B30D4B" box="[1138,1236,533,556]" name="Gibraltar" pageId="2" pageNumber="579">Gibraltar</collectingCountry>
, in what may be a natural expansion of its range.
</paragraph>
</subSubSection>
<subSubSection id="3EA531DEA7530A20EFCEFD9BF7F10C88" pageId="2" pageNumber="579" type="discussion">
<paragraph id="76006255A7530A20EFCEFD9BF6580CE0" blockId="2.[151,1436,152,1007]" pageId="2" pageNumber="579">
Studies of
<taxonomicName id="B1BF19D6A7530A20EE41FD9BF0420D16" authorityName="Crustacea, Cirripedia" baseAuthorityName="Ellis &amp; Solander" baseAuthorityYear="1786" box="[328,549,601,625]" class="Maxillopoda" family="Lepadidae" genus="Dosima" kingdom="Animalia" order="Pedunculata" pageId="2" pageNumber="579" phylum="Arthropoda" rank="species" species="fascicularis">
<emphasis id="44CBBE47A7530A20EE41FD9BF0420D16" box="[328,549,601,625]" italics="true" pageId="2" pageNumber="579">Dosima fascicularis</emphasis>
</taxonomicName>
are scarce and mostly based on stranding events that occur under singular oceanographic and climatic conditions that cast pleustonic organisms ashore (
<bibRefCitation id="122E1FA4A7530A20ECD2FDBCF6110DF3" author="Minchin, D." box="[987,1142,637,660]" pageId="2" pageNumber="579" pagination="855 - 859" refId="ref2006" refString="Minchin, D. (1996) Tar pellets and plastics as attachment surfaces for lepadid cirripedes in the North Atlantic Ocean. Marine Pollution Bulletin, 32 (12), 855 - 859. https: // doi. org / 10.1016 / S 0025 - 326 X (96) 00045 - 8" type="journal article" year="1996">Minchin 1996</bibRefCitation>
,
<bibRefCitation id="122E1FA4A7530A20EB8BFDBCF72B0DF3" author="Liss, P. S. &amp; Duce, R. A." box="[1154,1356,637,660]" pageId="2" pageNumber="579" refId="ref1918" refString="Liss, P. S. &amp; Duce, R. A. (Eds) (1997) The sea surface and global change. Cambridge University Press, New York, 535 pp." type="book" year="1997">Liss &amp; Duce 1997</bibRefCitation>
). Other authors have linked the distribution of this barnacle to the availability of potential attachment substrate(s) (e.g.
<bibRefCitation id="122E1FA4A7530A20EA49FD61F37B0DBE" author="Junoy, J. &amp; Junoy, J." pageId="2" pageNumber="579" pagination="669 - 671" refId="ref1850" refString="Junoy, J. &amp; Junoy, J. (2014) First record of the buoy barnacle Dosima fascicularis (Ellis &amp; Solander, 1786) (Crustacea, Cirripedia) from the Galician beaches (NW Spain) after the Prestige oil spill. Check List, 10 (3), 669 - 671. https: // doi. org / 10.15560 / 10.3.669" type="journal article" year="2014">Junoy &amp; Junoy 2014</bibRefCitation>
). For example, synthetic and non-biodegradable materials provide attractive, alternative substrata for a number of opportunistic colonizers (
<bibRefCitation id="122E1FA4A7530A20ED2FFD24F0A30D9B" author="Gregory, M. R." box="[550,708,741,764]" pageId="2" pageNumber="579" pagination="2013 - 2025" refId="ref1725" refString="Gregory, M. R. (2009) Environmental implications of plastic debris in marine settings - entanglement, ingestion, smothering, hangerson, hitch-hiking and alien invasions. Philosophical Transactions of the Royal Society, B, 364, 2013 - 2025. https: // doi. org / 10.1098 / rstb. 2008.0265" type="journal article" year="2009">Gregory 2009</bibRefCitation>
). Such durability allows pelagic plastics to remain at sea for long periods, and thus to travel distances of more than
<quantity id="B147CFB0A7530A20EDB3FCC9F17E0C78" box="[698,793,776,799]" metricMagnitude="6" metricUnit="m" metricValue="3.0" pageId="2" pageNumber="579" unit="km" value="3000.0">3000 km</quantity>
from their source (
<bibRefCitation id="122E1FA4A7530A20ECE4FCC9F68A0C78" author="Ryan, P. G. &amp; Moloney, C. L." box="[1005,1261,776,799]" pageId="2" pageNumber="579" pagination="23" refId="ref2062" refString="Ryan, P. G. &amp; Moloney, C. L. (1993) Marine litter keeps increasing. Nature, 361, 23. https: // doi. org / 10.1038 / 361023 a 0" type="journal article" year="1993">Ryan &amp; Moloney 1993</bibRefCitation>
).
<bibRefCitation id="122E1FA4A7530A20EA0BFCC9F7FC0C78" author="Barnes, D. K. A." box="[1282,1435,776,799]" pageId="2" pageNumber="579" pagination="808 - 809" refId="ref1357" refString="Barnes, D. K. A. (2002) Invasions by marine life on plastic debris. Nature, 416, 808 - 809. https: // doi. org / 10.1038 / 416808 a" type="journal article" year="2002">Barnes (2002)</bibRefCitation>
estimated that the increase in anthropogenic rubbish in the sea has roughly doubled the propagation of rafting fauna in the subtropics and more than tripled it in high latitudes.
<bibRefCitation id="122E1FA4A7530A20EDF9FC8CF1D60C03" author="Whitehead, T. O. &amp; Biccard, A. &amp; Griffiths, C. L." box="[752,945,845,868]" pageId="2" pageNumber="579" pagination="635 - 649" refId="ref2416" refString="Whitehead, T. O., Biccard, A. &amp; Griffiths, C. L. (2011) South African pelagic goose barnacles (Cirripedia, Thoracica): substratum preferences and influence of plastic debris on abundance and distribution. Crustaceana, 84 (5 - 6), 635 - 649. https: // doi. org / 10.1163 / 001121611 X 574290" type="journal article" year="2011">Whitehead (2011)</bibRefCitation>
also concluded that the increasing abundance of plastic is drastically increasing the opportunities for colonization by goose barnacles.
</paragraph>
<paragraph id="76006255A7530A20EFCEFC53F7F10C88" blockId="2.[151,1436,152,1007]" pageId="2" pageNumber="579">A continuous monitoring strategy and observation of strandings of pelagic fauna on the Algerian coast particularly, and the Mediterranean Sea more generally, in relation to unusual oceanographic and environmental conditions observed, would provide new insights into their distribution and the main cause of their stranding beyond their usual distributions.</paragraph>
</subSubSection>
</subSection>
</treatment>
</document>