230 lines
30 KiB
XML
230 lines
30 KiB
XML
<document id="2BDE0A9A1CE889BF75F296903035F5A9" ID-DOI="10.1080/00222930701782187" ID-ISSN="1464-5262" ID-Zenodo-Dep="5233566" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629516087441" checkinUser="felipe" docAuthor="Saiz-Salinas, J. I." docDate="2007" docId="03BF363F8431FFA26989E402F67FE404" docLanguage="en" docName="JNatHist.41.45-48.2789-2800.pdf" docOrigin="Journal of Natural History 41 (45 - 48)" docSource="http://dx.doi.org/10.1080/00222930701782187" docStyle="DocumentStyle:5A9EB2ED5589A523F0236C66DE2A6BA8.4:JNatHist.2005-2007.journal_article.1cover" docStyleId="5A9EB2ED5589A523F0236C66DE2A6BA8" docStyleName="JNatHist.2005-2007.journal_article.1cover" docStyleVersion="4" docTitle="Pseudoikedella achaeta" docType="treatment" docVersion="3" lastPageNumber="2796" masterDocId="FF864E478436FFAB681DE734F20AE161" masterDocTitle="Sipunculans and echiurans from the deep Angola Basin" masterLastPageNumber="2800" masterPageNumber="2789" pageNumber="2795" updateTime="1699075548798" updateUser="plazi" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
|
||
<mods:mods id="B3499243BBBEA76E191C9900458BB289" xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo id="83C2029A3E40A60027AD700DBDF65064">
|
||
<mods:title id="FA6174005807EA732D66616D336BDE05">Sipunculans and echiurans from the deep Angola Basin</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name id="7E19EBF4F7F23D2ADDECF69D8413ADC0" type="personal">
|
||
<mods:role id="563A846C7CA170BE84983574AC7F662A">
|
||
<mods:roleTerm id="8FD6705A77F3A754A5D94E5CD269F509">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="86417CE6B7E9B6DA211C95D8020857DE">Saiz-Salinas, J. I.</mods:namePart>
|
||
</mods:name>
|
||
<mods:typeOfResource id="22405D19FC9524AC5555F13BA52369BA">text</mods:typeOfResource>
|
||
<mods:relatedItem id="0AB044005BDBF17B25A338A7A8706A5A" type="host">
|
||
<mods:titleInfo id="D0AF0F8BD52CF6893EB072C798DEBEBC">
|
||
<mods:title id="988B8CA1008AE58BA8B638D3BFE07F8D">Journal of Natural History</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part id="E00B2B35158314BB855803D26ADEC63B">
|
||
<mods:date id="C9D2CF55BFDE20FED3BA9E2F17554D89">2007</mods:date>
|
||
<mods:detail id="C4F24A805930181C387877073257E6E7" type="pubDate">
|
||
<mods:number id="7EE86EB927A94D6912731ED4776079F1">2007-12-31</mods:number>
|
||
</mods:detail>
|
||
<mods:detail id="CD9F9B2033AD336D9892C758BFCEBFD0" type="volume">
|
||
<mods:number id="A62E18141F19955B57EC3AE24161B06F">41</mods:number>
|
||
</mods:detail>
|
||
<mods:detail id="447897182A52536F2D006158CF87A3B5" type="issue">
|
||
<mods:number id="5ED1B10B3C6E557CBDDF13A7B06D7D2D">45 - 48</mods:number>
|
||
</mods:detail>
|
||
<mods:extent id="A05B4B63551BBF458E7CB074FC0ED4E1" unit="page">
|
||
<mods:start id="ABC9637E4813926F03899F3448B9F449">2789</mods:start>
|
||
<mods:end id="9799DD430347D21B0B87B1159DCEAA87">2800</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location id="2C15988BEA04EC7DB0F71947429F6F5F">
|
||
<mods:url id="2AA33F3300C7A7088BD6889F04C008A4">http://dx.doi.org/10.1080/00222930701782187</mods:url>
|
||
</mods:location>
|
||
<mods:classification id="8D23F3AEBE8509F7E3C8D2A1FE33EA03">journal article</mods:classification>
|
||
<mods:identifier id="FB75467F5986D04457A8645DB92ED364" type="DOI">10.1080/00222930701782187</mods:identifier>
|
||
<mods:identifier id="AC6B9F0A4F36B16D0A5ABFC2CC75C64F" type="ISSN">1464-5262</mods:identifier>
|
||
<mods:identifier id="86A7927CB77B728EA8132047B087470D" type="Zenodo-Dep">5233566</mods:identifier>
|
||
</mods:mods>
|
||
<treatment id="03BF363F8431FFA26989E402F67FE404" LSID="urn:lsid:plazi:treatment:03BF363F8431FFA26989E402F67FE404" httpUri="http://treatment.plazi.org/id/03BF363F8431FFA26989E402F67FE404" lastPageId="9" lastPageNumber="2796" pageId="7" pageNumber="2795">
|
||
<subSubSection id="C30CD4A28431FFAC6989E402F1A6E22F" box="[404,940,822,846]" pageId="7" pageNumber="2795" type="nomenclature">
|
||
<paragraph id="8BA987298431FFAC6989E402F1A6E22F" blockId="7.[404,940,822,846]" box="[404,940,822,846]" pageId="7" pageNumber="2795">
|
||
<heading id="D0E130458431FFAC6989E402F1A6E22F" box="[404,940,822,846]" centered="true" fontSize="10" level="2" pageId="7" pageNumber="2795" reason="2">
|
||
<taxonomicName id="4C16FCAA8431FFAC6989E402F1A6E22F" ID-CoL="4NYKS" authority="(Zenkevitch, 1958)" baseAuthorityName="Zenkevitch" baseAuthorityYear="1958" box="[404,940,822,846]" class="Polychaeta" family="Bonelliidae" genus="Pseudoikedella" kingdom="Animalia" order="Echiuroidea" pageId="7" pageNumber="2795" phylum="Annelida" rank="species" species="achaeta">
|
||
<emphasis id="B9625B3B8431FFAC6989E402F0C9E22F" bold="true" box="[404,707,822,846]" italics="true" pageId="7" pageNumber="2795">Pseudoikedella achaeta</emphasis>
|
||
(
|
||
<bibRefCitation id="EF87FAD88431FFAC6AC8E402F1AEE22F" author="Zenkevitch LA" box="[725,932,822,846]" pageId="7" pageNumber="2795" pagination="192 - 203" refId="ref6699" refString="Zenkevitch LA. 1958. The deep-sea echiurids of the north-western part of the Pacific Ocean. Trudy Instituta Okeanologii 27: 192 - 203." type="journal article" year="1958">Zenkevitch, 1958</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
</heading>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C30CD4A28431FFA26897E443F67FE404" lastPageId="9" lastPageNumber="2797" pageId="7" pageNumber="2795" type="materials_examined">
|
||
<paragraph id="8BA987298431FFAC6897E443F36AE2CE" blockId="7.[138,1185,887,943]" pageId="7" pageNumber="2795">
|
||
<emphasis id="B9625B3B8431FFAC6897E443F2F8E2EE" box="[138,242,887,911]" italics="true" pageId="7" pageNumber="2795">Material.</emphasis>
|
||
<materialsCitation id="3B7E8D748431FFAC68E3E443F356E2CE" collectionCode="AT, EBS" pageId="7" pageNumber="2795" specimenCount="1" specimenCount-juvenile="1">
|
||
Sta.
|
||
<collectionCode id="ED071FEC8431FFAC692FE443F353E2EE" box="[306,345,887,911]" pageId="7" pageNumber="2795">AT</collectionCode>
|
||
no. 319, one; Sta.
|
||
<collectionCode id="ED071FEC8431FFAC6A2CE443F052E2EE" box="[561,600,887,911]" pageId="7" pageNumber="2795">AT</collectionCode>
|
||
no. 327, one; Sta.
|
||
<collectionCode id="ED071FEC8431FFAC6B2DE443F16EE2EE" box="[816,868,887,911]" pageId="7" pageNumber="2795">EBS</collectionCode>
|
||
no. 344,
|
||
<specimenCount id="9D104CA08431FFAC6BCDE443F663E2EE" box="[976,1129,887,911]" pageId="7" pageNumber="2795" type="juvenile">two juveniles</specimenCount>
|
||
; Sta.
|
||
<collectionCode id="ED071FEC8431FFAC6897E4A3F2B4E2CE" box="[138,190,919,943]" pageId="7" pageNumber="2795">EBS</collectionCode>
|
||
no. 350, one
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BA987298431FFAC6897E4ECF0F6E510" blockId="7.[138,1185,984,1137]" pageId="7" pageNumber="2795">
|
||
<emphasis id="B9625B3B8431FFAC6897E4ECF306E291" box="[138,268,984,1008]" italics="true" pageId="7" pageNumber="2795">Description.</emphasis>
|
||
Trunk
|
||
<quantity id="4CEE2ACC8431FFAC696CE4ECF3D6E291" box="[369,476,984,1008]" metricMagnitude="-2" metricUnit="m" metricValue="1.95" metricValueMax="3.0" metricValueMin="0.9" pageId="7" pageNumber="2795" unit="mm" value="19.5" valueMax="30.0" valueMin="9.0">9–30 mm</quantity>
|
||
long and
|
||
<quantity id="4CEE2ACC8431FFAC6A79E4ECF0CBE291" box="[612,705,984,1008]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" metricValueMax="6.0" metricValueMin="3.0" pageId="7" pageNumber="2795" unit="mm" value="4.5" valueMax="6.0" valueMin="3.0">3–6 mm</quantity>
|
||
wide. Proboscis missing. Ventral setae absent. Opaque and contracted in the anterior part of the trunk, whereas translucent in the posterior part. Internally about 20–30 bands of longitudinal musculature could be observed in the contracted part of the trunk. A single gonoduct with terminal gonostome. Paired anal vesicles long, thin, and tubular without ramifications.
|
||
</paragraph>
|
||
<paragraph id="8BA987298431FFAC6897E3ADF2E4E4F2" blockId="7.[138,1185,1177,1427]" pageId="7" pageNumber="2795">
|
||
<emphasis id="B9625B3B8431FFAC6897E3ADF2F8E5D0" box="[138,242,1177,1201]" italics="true" pageId="7" pageNumber="2795">Remarks.</emphasis>
|
||
The general appearance of the worms, and especially the single gonoduct with a terminal gonostome, show these specimens belong to
|
||
<taxonomicName id="4C16FCAA8431FFAC6B17E38DF609E5B0" baseAuthorityName="Zenkevitch" baseAuthorityYear="1958" box="[778,1027,1209,1233]" class="Polychaeta" family="Bonelliidae" genus="Pseudoikedella" kingdom="Animalia" order="Echiuroidea" pageId="7" pageNumber="2795" phylum="Annelida" rank="species" species="achaeta">
|
||
<emphasis id="B9625B3B8431FFAC6B17E38DF609E5B0" box="[778,1027,1209,1233]" italics="true" pageId="7" pageNumber="2795">Pseudoikedella achaeta</emphasis>
|
||
</taxonomicName>
|
||
. Most of the previous records of the species came from the North Pacific and the Tasman Sea at depths of
|
||
<quantity id="4CEE2ACC8431FFAC68B7E3CEF342E473" box="[170,328,1274,1298]" metricMagnitude="3" metricUnit="m" metricValue="4.495" metricValueMax="5.54" metricValueMin="3.45" pageId="7" pageNumber="2795" unit="m" value="4495.0" valueMax="5540.0" valueMin="3450.0">3450–5540 m</quantity>
|
||
(
|
||
<bibRefCitation id="EF87FAD88431FFAC6944E3CEF029E473" author="Zenkevitch LA" box="[345,547,1274,1298]" pageId="7" pageNumber="2795" pagination="192 - 203" refId="ref6699" refString="Zenkevitch LA. 1958. The deep-sea echiurids of the north-western part of the Pacific Ocean. Trudy Instituta Okeanologii 27: 192 - 203." type="journal article" year="1958">Zenkevitch 1958</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EF87FAD88431FFAC6A2CE3CEF065E473" author="Zenkevitch LA" box="[561,623,1274,1298]" pageId="7" pageNumber="2795" pagination="175 - 183" refId="ref6725" refString="Zenkevitch LA. 1966. The systematics and distribution of abyssal and hadal (ultra-abyssal) Echiuroidea. Galathea Report 8: 175 - 183." type="book chapter" year="1966">1966</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EF87FAD88431FFAC6A60E3CEF1D1E473" author="Zenkevitch LA & Murina VV" box="[637,987,1274,1298]" pageId="7" pageNumber="2795" pagination="102 - 114" refId="ref6751" refString="Zenkevitch LA, Murina VV. 1976. Deep-sea Echiurida of the Pacific Ocean. Trudy Instituta Okeanologii 99: 102 - 114." type="journal article" year="1976">Zenkevitch and Murina 1976</bibRefCitation>
|
||
).
|
||
<bibRefCitation id="EF87FAD88431FFAC6BECE3CEF6ABE473" author="Murina GVV" box="[1009,1185,1274,1298]" pageId="7" pageNumber="2795" pagination="107 - 119" refId="ref6345" refString="Murina GVV. 1978. New and rare echiurids of the family Bonelliidae. Trudy Instituta Okeanologii 113: 107 - 119. Murina GVV. 1984. Ecology of Sipuncula. Marine Ecology Progress Series 17 (1): 1 - 7." type="journal article" year="1978">Murina (1978)</bibRefCitation>
|
||
and
|
||
<bibRefCitation id="EF87FAD88431FFAC68A3E22EF3EEE453" author="Saiz Salinas JI & Dean HK & Cutler EB" box="[190,484,1306,1330]" pageId="7" pageNumber="2795" pagination="661 - 670" refId="ref6484" refString="Saiz Salinas JI, Dean HK, Cutler EB. 2000. Echiura from Antarctic and adjacent waters. Polar Biology 23: 661 - 670." type="journal article" year="2000">Saiz Salinas et al. (2000)</bibRefCitation>
|
||
reported further specimens from Antarctic waters at
|
||
<quantity id="4CEE2ACC8431FFAC6C44E22EF2EEE433" metricMagnitude="3" metricUnit="m" metricValue="2.395" metricValueMax="3.4899999999999998" metricValueMin="1.3" pageId="7" pageNumber="2795" unit="m" value="2395.0" valueMax="3490.0" valueMin="1300.0">1300– 3490 m</quantity>
|
||
. The species has been recently recorded in the North Atlantic by
|
||
<bibRefCitation id="EF87FAD88431FFAC6BC0E20EF696E433" author="Biseswar R" box="[989,1180,1338,1362]" pageId="7" pageNumber="2795" pagination="37 - 46" refId="ref5946" refString="Biseswar R. 2005. Report on some deep-sea echiurans of the North-East Atlantic. Zoosystema 27: 37 - 46." type="journal article" year="2005">Biseswar (2005)</bibRefCitation>
|
||
, therefore this finding is an extension of its range towards the deep waters of the South Atlantic.
|
||
</paragraph>
|
||
<paragraph id="8BA987298431FFAC6897E2FFF340E482" blockId="7.[138,330,1483,1507]" box="[138,330,1483,1507]" pageId="7" pageNumber="2795">
|
||
<emphasis id="B9625B3B8431FFAC6897E2FFF340E482" box="[138,330,1483,1507]" italics="true" pageId="7" pageNumber="2795">Gradient analysis</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8BA987298431FFA36897E2C8F1DBE0A0" blockId="7.[138,1185,1532,1685]" lastBlockId="8.[125,1173,137,1318]" lastPageId="8" lastPageNumber="2796" pageId="7" pageNumber="2795">
|
||
<materialsCitation id="3B7E8D748431FFA36897E2C8F1C4E0A0" collectionCode="PCA, RDA, CA, WZ" collectorName="The & A Monte Carlo" lastPageId="8" lastPageNumber="2796" pageId="7" pageNumber="2795" specimenCount="2">
|
||
All ordination methods and their constrained counterparts were performed by using the CANOCO package with the species list and the four abiotic variables investigated (working zone,
|
||
<typeStatus id="54AD398B8431FFAC68D2E109F30AE734" box="[207,256,1597,1621]" pageId="7" pageNumber="2795">type</typeStatus>
|
||
of dredge, depth of the samples, cryptic life inside tubes). Methods based on the linear response model (
|
||
<collectionCode id="ED071FEC8431FFAC698EE169F3C4E714" box="[403,462,1629,1653]" pageId="7" pageNumber="2795">PCA</collectionCode>
|
||
and
|
||
<collectionCode id="ED071FEC8431FFAC6A1BE169F04FE714" box="[518,581,1629,1653]" pageId="7" pageNumber="2795">RDA</collectionCode>
|
||
) perform better than those that rely on the unimodal response (
|
||
<collectionCode id="ED071FEC8431FFAC68E3E149F321E7F4" box="[254,299,1661,1685]" country="USA" name="Chicago Academy of Sciences" pageId="7" pageNumber="2795" type="Museum">CA</collectionCode>
|
||
, CCA). RDA is especially recommended when the samples are representative of a narrow environmental gradient and taxa appear to respond in a linear fashion to the environmental gradients. The first two RDA axes capture 52% of the cumulative variance of the faunal data, a slightly larger proportion of the variance than is explained by both CCA and detrended CCA. Forward selection and unrestricted Monte Carlo permutation tests indicate that only two (
|
||
<collectionCode id="ED071FEC843EFFA369A2E63DF3FBE040" box="[447,497,265,289]" pageId="8" pageNumber="2796">WZ</collectionCode>
|
||
, dredge) of the four abiotic variables previously introduced make statistically significant contributions to explaining the variance in the faunal data.
|
||
<collectorName id="26E3E2FF843EFFA36C79E61DF69EE020" box="[1124,1172,297,321]" pageId="8" pageNumber="2796">The</collectorName>
|
||
most significant of these is WZ, which captures 34% of the total variance explained by the whole set of abiotic variables, followed by
|
||
<typeStatus id="54AD398B843EFFA36ABBE65DF0DDE0E0" box="[678,727,361,385]" pageId="8" pageNumber="2796">type</typeStatus>
|
||
of dredge (22%).
|
||
<collectorName id="26E3E2FF843EFFA36BCCE65DF69EE0E0" box="[977,1172,361,385]" pageId="8" pageNumber="2796">A Monte Carlo</collectorName>
|
||
permutation test of the trace statistics, which gives an overall test of the effect on the faunal data of the two variables selected as active, resulted in a
|
||
<emphasis id="B9625B3B843EFFA36B0AE69EF12DE0A0" box="[791,807,426,449]" italics="true" pageId="8" pageNumber="2796">P</emphasis>
|
||
value of 0.16
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BA98729843EFFA36885E6FEF127E3A2" blockId="8.[125,1173,137,1318]" pageId="8" pageNumber="2796">
|
||
<materialsCitation id="3B7E8D74843EFFA36885E6FEF123E3A2" collectionCode="EBS, AT" collectorName="The & Table II & Two" country="Angola" county="The" location="The" municipality="Basin" pageId="8" pageNumber="2796" specimenCount="2">
|
||
<collectorName id="26E3E2FF843EFFA36885E6FEF2C2E083" box="[152,200,458,482]" pageId="8" pageNumber="2796">The</collectorName>
|
||
result of RDA, incorporating the two forward-selected abiotic variables, is given in
|
||
<collectorName id="26E3E2FF843EFFA36860E6DEF2D3E363" box="[125,217,490,514]" pageId="8" pageNumber="2796">Table II</collectorName>
|
||
and illustrated in
|
||
<figureCitation id="132D9BAC843EFFA369DAE6DEF02CE363" box="[455,550,490,514]" captionStart="Figure 2" captionStartId="9.[138,198,1118,1137]" captionTargetBox="[183,1140,134,1080]" captionTargetId="figure-131@9.[183,1140,134,1082]" captionTargetPageId="9" captionText="Figure 2. Triplot of the RDA ordination analysis showing the relationship among identified species, sampling sites, and the two significant selected abiotic variables (Dredge, type of dredge employed; Wk zone, working zone). Species: aby, Nephasoma abyssorum abyssorum; ach, Pseudoikedella achaeta; dia, N. diaphanes; fla, N. flagriferum; flb, Sluiterina flabellorhynchum; mur, Apionsoma murinae; ste, Onchnesoma steenstrupii steenstrupii." figureDoi="http://doi.org/10.5281/zenodo.5233570" httpUri="https://zenodo.org/record/5233570/files/figure.png" pageId="8" pageNumber="2796">Figure 2</figureCitation>
|
||
as a sites–indicator taxa–abiotic triplot.
|
||
<collectorName id="26E3E2FF843EFFA36C02E6DEF65FE363" box="[1055,1109,490,514]" pageId="8" pageNumber="2796">Two</collectorName>
|
||
neat latitudinal gradients (
|
||
<collectionCode id="ED071FEC843EFFA36960E53FF3B9E342" box="[381,435,523,547]" pageId="8" pageNumber="2796">EBS</collectionCode>
|
||
and
|
||
<collectionCode id="ED071FEC843EFFA369EBE53FF017E342" box="[502,541,523,547]" pageId="8" pageNumber="2796">AT</collectionCode>
|
||
gradients) from the right to the left of the plot are revealed for each
|
||
<typeStatus id="54AD398B843EFFA36945E51FF383E322" box="[344,393,555,579]" pageId="8" pageNumber="2796">type</typeStatus>
|
||
of dredge used in this faunal survey.
|
||
<location id="8EC9D1F2843EFFA36B7FE51FF198E322" LSID="urn:lsid:plazi:treatment:03BF363F8431FFA26989E402F67FE404:8EC9D1F2843EFFA36B7FE51FF198E322" box="[866,914,555,579]" country="Angola" county="The" municipality="Basin" name="The" pageId="8" pageNumber="2796">The</location>
|
||
first abiotic variable, working zone, arranges all the sampling sites from the south to the north of the
|
||
<collectingCountry id="F301C7B9843EFFA36C5FE57FF69EE302" box="[1090,1172,587,611]" name="Angola" pageId="8" pageNumber="2796">Angola</collectingCountry>
|
||
<collectingMunicipality id="6BCD1D53843EFFA36860E55FF2CBE3E2" box="[125,193,619,643]" pageId="8" pageNumber="2796">Basin</collectingMunicipality>
|
||
, whereas the
|
||
<typeStatus id="54AD398B843EFFA36973E55FF395E3E2" box="[366,415,619,643]" pageId="8" pageNumber="2796">type</typeStatus>
|
||
of dredge separates the fauna well according to the different sampling procedure.
|
||
<collectingCounty id="62C8FFA5843EFFA3696DE5BFF3AAE3C2" box="[368,416,651,675]" pageId="8" pageNumber="2796">The</collectingCounty>
|
||
importance of the two forward-selected abiotic variables is shown by their corresponding long vectors in the plot of
|
||
<figureCitation id="132D9BAC843EFFA36ADAE59FF123E3A2" box="[711,809,683,707]" captionStart="Figure 2" captionStartId="9.[138,198,1118,1137]" captionTargetBox="[183,1140,134,1080]" captionTargetId="figure-131@9.[183,1140,134,1082]" captionTargetPageId="9" captionText="Figure 2. Triplot of the RDA ordination analysis showing the relationship among identified species, sampling sites, and the two significant selected abiotic variables (Dredge, type of dredge employed; Wk zone, working zone). Species: aby, Nephasoma abyssorum abyssorum; ach, Pseudoikedella achaeta; dia, N. diaphanes; fla, N. flagriferum; flb, Sluiterina flabellorhynchum; mur, Apionsoma murinae; ste, Onchnesoma steenstrupii steenstrupii." figureDoi="http://doi.org/10.5281/zenodo.5233570" httpUri="https://zenodo.org/record/5233570/files/figure.png" pageId="8" pageNumber="2796">Figure 2</figureCitation>
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BA98729843EFFA36885E5F8F69EE5C4" blockId="8.[125,1173,137,1318]" pageId="8" pageNumber="2796">
|
||
Simultaneous plots of species in the ordination diagram of
|
||
<figureCitation id="132D9BAC843EFFA36B8BE5F8F1FFE385" box="[918,1013,716,740]" captionStart="Figure 2" captionStartId="9.[138,198,1118,1137]" captionTargetBox="[183,1140,134,1080]" captionTargetId="figure-131@9.[183,1140,134,1082]" captionTargetPageId="9" captionText="Figure 2. Triplot of the RDA ordination analysis showing the relationship among identified species, sampling sites, and the two significant selected abiotic variables (Dredge, type of dredge employed; Wk zone, working zone). Species: aby, Nephasoma abyssorum abyssorum; ach, Pseudoikedella achaeta; dia, N. diaphanes; fla, N. flagriferum; flb, Sluiterina flabellorhynchum; mur, Apionsoma murinae; ste, Onchnesoma steenstrupii steenstrupii." figureDoi="http://doi.org/10.5281/zenodo.5233570" httpUri="https://zenodo.org/record/5233570/files/figure.png" pageId="8" pageNumber="2796">Figure 2</figureCitation>
|
||
reflect their preferences with respect to sampling sites and abiotic vectors. From this plot prospective indicator taxa could be identified that might be sensitive to some sampling sites. Again, the length of the species arrows indicates the importance of the species in the final faunal survey. Thus, most species move along axis 1, such as
|
||
<taxonomicName id="4C16FCAA843EFFA36AC7E478F1DEE205" baseAuthorityName="Gerould" baseAuthorityYear="1913" box="[730,980,844,868]" class="Sipunculidea" family="Golfingiidae" genus="Nephasoma" kingdom="Animalia" order="Golfingiiformes" pageId="8" pageNumber="2796" phylum="Sipuncula" rank="species" species="diaphanes">
|
||
<emphasis id="B9625B3B843EFFA36AC7E478F1DEE205" box="[730,980,844,868]" italics="true" pageId="8" pageNumber="2796">Nephasoma diaphanes</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C16FCAA843EFFA36BF6E479F686E205" baseAuthorityName="Selenka" baseAuthorityYear="1885" box="[1003,1164,844,868]" class="Sipunculidea" family="Golfingiidae" genus="Nephasoma" kingdom="Animalia" order="Golfingiiformes" pageId="8" pageNumber="2796" phylum="Sipuncula" rank="species" species="flagriferum">
|
||
<emphasis id="B9625B3B843EFFA36BF6E479F686E205" box="[1003,1164,844,868]" italics="true" pageId="8" pageNumber="2796">N. flagriferum</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C16FCAA843EFFA36860E458F353E2E5" baseAuthorityName="Cutler" baseAuthorityYear="1969" box="[125,345,876,900]" class="Phascolosomatidea" family="Phascolosomatidae" genus="Apionsoma" kingdom="Animalia" order="Phascolosomatiformes" pageId="8" pageNumber="2796" phylum="Sipuncula" rank="species" species="murinae">
|
||
<emphasis id="B9625B3B843EFFA36860E458F353E2E5" box="[125,345,876,900]" italics="true" pageId="8" pageNumber="2796">Apionsoma murinae</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="4C16FCAA843EFFA36982E458F123E2E5" authority="steenstrupii" authorityName="steenstrupii Koren and Danielssen" authorityYear="1876" box="[415,809,876,900]" class="Sipunculidea" family="Phascoliidae" genus="Onchnesoma" kingdom="Animalia" order="Golfingiiformes" pageId="8" pageNumber="2796" phylum="Sipuncula" rank="subSpecies" species="steenstrupii" subSpecies="steenstrupii">
|
||
<emphasis id="B9625B3B843EFFA36982E458F123E2E5" box="[415,809,876,900]" italics="true" pageId="8" pageNumber="2796">Onchnesoma steenstrupii steenstrupii</emphasis>
|
||
</taxonomicName>
|
||
. The reasons are different, for example the first species,
|
||
<taxonomicName id="4C16FCAA843EFFA369DDE4B9F052E2C5" baseAuthorityName="Gerould" baseAuthorityYear="1913" box="[448,600,908,932]" class="Sipunculidea" family="Golfingiidae" genus="Nephasoma" kingdom="Animalia" order="Golfingiiformes" pageId="8" pageNumber="2796" phylum="Sipuncula" rank="species" species="diaphanes">
|
||
<emphasis id="B9625B3B843EFFA369DDE4B9F052E2C5" box="[448,600,908,932]" italics="true" pageId="8" pageNumber="2796">N. diaphanes</emphasis>
|
||
</taxonomicName>
|
||
, is ubiquitous throughout all WZ, but locally abundant in the sampling sites of WZ VI.
|
||
<taxonomicName id="4C16FCAA843EFFA36A75E499F16FE2A4" baseAuthorityName="Selenka" baseAuthorityYear="1885" box="[616,869,941,965]" class="Sipunculidea" family="Golfingiidae" genus="Nephasoma" kingdom="Animalia" order="Golfingiiformes" pageId="8" pageNumber="2796" phylum="Sipuncula" rank="species" species="flagriferum">
|
||
<emphasis id="B9625B3B843EFFA36A75E499F16FE2A4" box="[616,869,941,965]" italics="true" pageId="8" pageNumber="2796">Nephasoma flagriferum</emphasis>
|
||
</taxonomicName>
|
||
is only present in WZ VI, whereas
|
||
<taxonomicName id="4C16FCAA843EFFA368FBE4F9F3CEE284" baseAuthorityName="Cutler" baseAuthorityYear="1969" box="[230,452,973,997]" class="Phascolosomatidea" family="Phascolosomatidae" genus="Apionsoma" kingdom="Animalia" order="Phascolosomatiformes" pageId="8" pageNumber="2796" phylum="Sipuncula" rank="species" species="murinae">
|
||
<emphasis id="B9625B3B843EFFA368FBE4F9F3CEE284" box="[230,452,973,997]" italics="true" pageId="8" pageNumber="2796">Apionsoma murinae</emphasis>
|
||
</taxonomicName>
|
||
was only collected at different sites of WZ IV, V, and VI.
|
||
<taxonomicName id="4C16FCAA843EFFA36860E4D9F002E564" authority="steenstrupii" authorityName="steenstrupii Koren and Danielssen" authorityYear="1876" box="[125,520,1005,1029]" class="Sipunculidea" family="Phascoliidae" genus="Onchnesoma" kingdom="Animalia" order="Golfingiiformes" pageId="8" pageNumber="2796" phylum="Sipuncula" rank="subSpecies" species="steenstrupii" subSpecies="steenstrupii">
|
||
<emphasis id="B9625B3B843EFFA36860E4D9F002E564" box="[125,520,1005,1029]" italics="true" pageId="8" pageNumber="2796">Onchnesoma steenstrupii steenstrupii</emphasis>
|
||
</taxonomicName>
|
||
also has a long arrow in the final plot of
|
||
<figureCitation id="132D9BAC843EFFA36BE0E4D9F654E564" box="[1021,1118,1005,1029]" captionStart="Figure 2" captionStartId="9.[138,198,1118,1137]" captionTargetBox="[183,1140,134,1080]" captionTargetId="figure-131@9.[183,1140,134,1082]" captionTargetPageId="9" captionText="Figure 2. Triplot of the RDA ordination analysis showing the relationship among identified species, sampling sites, and the two significant selected abiotic variables (Dredge, type of dredge employed; Wk zone, working zone). Species: aby, Nephasoma abyssorum abyssorum; ach, Pseudoikedella achaeta; dia, N. diaphanes; fla, N. flagriferum; flb, Sluiterina flabellorhynchum; mur, Apionsoma murinae; ste, Onchnesoma steenstrupii steenstrupii." figureDoi="http://doi.org/10.5281/zenodo.5233570" httpUri="https://zenodo.org/record/5233570/files/figure.png" pageId="8" pageNumber="2796">Figure 2</figureCitation>
|
||
, but along the positive part of axis 1. This indicates its preference for sampling site no. 318 which was sampled by the
|
||
<collectionCode id="ED071FEC843EFFA3697DE319F39EE524" box="[352,404,1069,1093]" pageId="8" pageNumber="2796">EBS</collectionCode>
|
||
dredge. Only
|
||
<taxonomicName id="4C16FCAA843EFFA36A28E31AF135E524" authority="abyssorum" authorityName="abyssorum (Koren and Danielssen" authorityYear="1876" box="[565,831,1069,1093]" class="Sipunculidea" family="Golfingiidae" genus="Nephasoma" kingdom="Animalia" order="Golfingiiformes" pageId="8" pageNumber="2796" phylum="Sipuncula" rank="subSpecies" species="abyssorum" subSpecies="abyssorum">
|
||
<emphasis id="B9625B3B843EFFA36A28E31AF135E524" box="[565,831,1069,1093]" italics="true" pageId="8" pageNumber="2796">N. abyssorum abyssorum</emphasis>
|
||
</taxonomicName>
|
||
showed preferences along the positive part of axis 2 (
|
||
<figureCitation id="132D9BAC843EFFA3698CE379F3FEE504" box="[401,500,1101,1125]" captionStart="Figure 2" captionStartId="9.[138,198,1118,1137]" captionTargetBox="[183,1140,134,1080]" captionTargetId="figure-131@9.[183,1140,134,1082]" captionTargetPageId="9" captionText="Figure 2. Triplot of the RDA ordination analysis showing the relationship among identified species, sampling sites, and the two significant selected abiotic variables (Dredge, type of dredge employed; Wk zone, working zone). Species: aby, Nephasoma abyssorum abyssorum; ach, Pseudoikedella achaeta; dia, N. diaphanes; fla, N. flagriferum; flb, Sluiterina flabellorhynchum; mur, Apionsoma murinae; ste, Onchnesoma steenstrupii steenstrupii." figureDoi="http://doi.org/10.5281/zenodo.5233570" httpUri="https://zenodo.org/record/5233570/files/figure.png" pageId="8" pageNumber="2796">Figure 2</figureCitation>
|
||
), indicating its ubiquitous presence in all WZ with local abundant peaks at some sampling sites of WZ III, IV, and V. Echiuran species are quite rare and occasional in the faunal survey and do not exhibit any indicator value in the final plot.
|
||
</paragraph>
|
||
<paragraph id="8BA98729843EFFA26885E39AF67FE404" blockId="8.[125,1173,137,1318]" lastBlockId="9.[138,1185,1260,1381]" lastPageId="9" lastPageNumber="2797" pageId="8" pageNumber="2796">
|
||
<materialsCitation id="3B7E8D74843EFFA26885E39AF67BE404" country="Angola" lastPageId="9" lastPageNumber="2797" location="Table" municipality="Only" pageId="8" pageNumber="2796" specimenCount="1">
|
||
Spearman’s rank correlation coefficients and
|
||
<typeStatus id="54AD398B843EFFA36ADDE39AF0F6E5A7" box="[704,764,1198,1222]" pageId="8" pageNumber="2796">Type</typeStatus>
|
||
I error probabilities between the spatial distribution of the species identified and the abiotic variables investigated are presented in
|
||
<location id="8EC9D1F2843EFFA3693DE3DAF369E467" LSID="urn:lsid:plazi:treatment:03BF363F8431FFA26989E402F67FE404:8EC9D1F2843EFFA3693DE3DAF369E467" box="[288,355,1262,1286]" country="Angola" municipality="Only" name="Table" pageId="8" pageNumber="2796">Table</location>
|
||
III.
|
||
<collectingMunicipality id="6BCD1D53843EFFA36986E3DAF3DEE467" box="[411,468,1262,1286]" pageId="8" pageNumber="2796">Only</collectingMunicipality>
|
||
two abiotic parameters were significantly correlated with relatively few species of the faunal survey. WZ is significantly correlated with those species that move along the negative part of axis
|
||
<quantity id="4CEE2ACC843FFFA26A41E3D8F08DE465" box="[604,647,1260,1284]" metricMagnitude="-2" metricUnit="m" metricValue="2.54" pageId="9" pageNumber="2797" unit="in" value="1.0">1 in</quantity>
|
||
the ordination plot, suggesting the existence of a latitudinal gradient across the
|
||
<collectingCountry id="F301C7B9843FFFA26A0FE239F06EE444" box="[530,612,1293,1317]" name="Angola" pageId="9" pageNumber="2797">Angola</collectingCountry>
|
||
Basin. On the other hand, only one species of sipunculan,
|
||
<taxonomicName id="4C16FCAA843FFFA2690AE219F000E424" baseAuthorityName="Gerould" baseAuthorityYear="1913" box="[279,522,1325,1349]" class="Sipunculidea" family="Golfingiidae" genus="Nephasoma" kingdom="Animalia" order="Golfingiiformes" pageId="9" pageNumber="2797" phylum="Sipuncula" rank="species" species="diaphanes">
|
||
<emphasis id="B9625B3B843FFFA2690AE219F000E424" box="[279,522,1325,1349]" italics="true" pageId="9" pageNumber="2797">Nephasoma diaphanes</emphasis>
|
||
</taxonomicName>
|
||
, is positively correlated with the availability of horny void tubes of polychaetes, which are remarkably abundant in the sampling sites of WZ VI
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |