246 lines
29 KiB
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246 lines
29 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.74.808" ID-GBIF-Dataset="77176672-46b6-4038-94bc-19d42179a207" ID-PMC="PMC3088040" ID-Pensoft-Pub="1313-2970-74-1" ID-PubMed="21594135" ModsDocAuthor="" ModsDocDate="2011" ModsDocID="1313-2970-74-1" ModsDocOrigin="ZooKeys 74" ModsDocTitle="Zoogeography, taxonomy, and conservation of West Virginia’s Ohio River floodplain crayfishes (Decapoda, Cambaridae)" checkinTime="1451250850120" checkinUser="pensoft" docAuthor="Loughman, Zachary J. & Simon, Thomas P." docDate="2011" docId="0A624CBDD8832B50F0EAB5F44DED4CB7" docLanguage="en" docName="ZooKeys 74: 1-78" docOrigin="ZooKeys 74" docSource="http://dx.doi.org/10.3897/zookeys.74.808" docTitle="Cambarus ((Cambarus)) bartoniicavatus Hay 1902" docType="treatment" docVersion="4" lastPageNumber="15" masterDocId="6864053DFFF0FFA5B11CFFA0557B1B45" masterDocTitle="Zoogeography, taxonomy, and conservation of West Virginia's Ohio River floodplain crayfishes (Decapoda, Cambaridae)" masterLastPageNumber="78" masterPageNumber="1" pageNumber="11" updateTime="1668165538016" updateUser="ExternalLinkService">
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<mods:titleInfo>
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<mods:title>Zoogeography, taxonomy, and conservation of West Virginia's Ohio River floodplain crayfishes (Decapoda, Cambaridae)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Loughman, Zachary J.</mods:namePart>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Simon, Thomas P.</mods:namePart>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2011</mods:date>
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<mods:detail type="volume">
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<mods:number>74</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>78</mods:end>
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<mods:url>http://dx.doi.org/10.3897/zookeys.74.808</mods:url>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.74.808</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-74-1</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="159360994" LSID="urn:lsid:plazi:treatment:0A624CBDD8832B50F0EAB5F44DED4CB7" httpUri="http://treatment.plazi.org/id/0A624CBDD8832B50F0EAB5F44DED4CB7" lastPageId="14" lastPageNumber="15" pageId="10" pageNumber="11">
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<subSubSection pageId="10" pageNumber="11" type="nomenclature">
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<paragraph pageId="10" pageNumber="11">
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<taxonomicName authority="Hay, 1902" authorityName="Hay" authorityYear="1902" class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus ((Cambarus)) bartoniicavatus" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="bartoniicavatus" subGenus="(Cambarus)">
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<pageBreakToken pageId="10" pageNumber="11" start="start">Cambarus</pageBreakToken>
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(Cambarus) bartoniicavatus Hay, 1902
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</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="10" pageNumber="11" type="reference_group">
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<paragraph pageId="10" pageNumber="11">
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
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<bibRefCitation author="Hay, WP" journalOrPublisher="Proceedings of the United States National Museum" pageId="57" pageNumber="58" pagination="417 - 439" title="Observations on the crustacean fauna of Nickjack Cave, Tennessee and vicinity." volume="25" year="1902">Hay 1902</bibRefCitation>
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:435.
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<bibRefCitation author="Faxon, W" journalOrPublisher="Memoirs of the Museum of Comparative Zoology Harvard College" pageId="57" pageNumber="58" pagination="351 - 427" title="Notes on the crayfishes in the United States National Museum and the Museum of Comparative Zoology, with descriptions of new species and subspecies to which is appended a catalogue of the known species and subspecies." volume="40" year="1914">Faxon 1914</bibRefCitation>
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:425.
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<bibRefCitation author="Taylor, CA" journalOrPublisher="Fisheries" pageId="59" pageNumber="60" pagination="25 - 38" title="Conservation status of crayfishes of the United States and Canada." volume="21" year="1996">Taylor et al. 1996</bibRefCitation>
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:29.
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<bibRefCitation author="Taylor, CA" journalOrPublisher="Fisheries" pageId="59" pageNumber="60" pagination="372 - 389" title="A reassessment of the conservation status of crayfishes of the United States and Canada after 10 + years of increased awareness." volume="32" year="2007">Taylor et al. 2007</bibRefCitation>
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.
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</paragraph>
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<paragraph pageId="10" pageNumber="11">
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus (Bartonius) bartonii" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="bartonii" subGenus="Bartonius">Cambarus (Bartonius) bartonii</taxonomicName>
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<bibRefCitation author="Ortmann, AE" journalOrPublisher="Proceedings of the American Philosophical Society" pageId="58" pageNumber="59" pagination="91 - 136" title="The mutual affinities of the species of Cambarus, and their dispersal over the United States." volume="44" year="1905 b">Ortmann 1905b</bibRefCitation>
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:120 [in part].
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</paragraph>
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<paragraph pageId="10" pageNumber="11">
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus (Cambarus) bartoni subsp. cavatus" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="subSpecies" species="bartoni" subGenus="Cambarus" subSpecies="cavatus">Cambarus (Cambarus) bartoni cavatus</taxonomicName>
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<bibRefCitation author="Ortmann, AE" journalOrPublisher="Annals of the Carnegie Museum" pageId="58" pageNumber="59" pagination="61 - 160" title="The crawfishes of the southern Appalachians and the Cumberland Plateau." volume="20" year="1931">Ortmann 1931</bibRefCitation>
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:127.
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</paragraph>
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<paragraph pageId="10" pageNumber="11">
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus (Cambarus) bartonii subsp. cavatus" order="Decapoda" pageId="10" pageNumber="11" phylum="Arthropoda" rank="subSpecies" species="bartonii" subGenus="Cambarus" subSpecies="cavatus">Cambarus (Cambarus) bartonii cavatus</taxonomicName>
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<bibRefCitation pageId="10" pageNumber="11">Fowler 1912</bibRefCitation>
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:341. Hobbs, 1969:109, fig. 5; 1974:11, fig. 25; 1989:14, fig. 31.
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<bibRefCitation author="Jezerinac, RF" journalOrPublisher="Ohio Biological Survey Bulletin" pageId="58" pageNumber="59" pagination="1 - 193" title="The Crayfishes (Decapoda: Cambaridae) of West Virginia" volume="10" year="1995">Jezerinac et al. 1995</bibRefCitation>
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:84, fig. 39
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<normalizedToken originalValue="A–">A-</normalizedToken>
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39H.
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<bibRefCitation author="Taylor, CA" journalOrPublisher="Illinois Natural History Survey Bulletin" pageId="59" pageNumber="60" title="Crayfishes of Kentucky" volume="28" year="2004">Taylor and Schuster 2004</bibRefCitation>
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:63, figs. 32, 33
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<normalizedToken originalValue="A–">A-</normalizedToken>
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33H.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="11" lastPageNumber="12" pageId="10" pageNumber="11" type="diagnosis">
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<paragraph pageId="10" pageNumber="11">Diagnosis.</paragraph>
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<paragraph lastPageId="11" lastPageNumber="12" pageId="10" pageNumber="11">
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Rostrum broad; margins reduced, subparallel, terminating cephalically in a gentle angle to form acumen; anterior region of rostrum excavated; acumen consisting of a single upturned spiniform tubercle; postorbital ridges truncated, cephalic margin with weak tubercle; cephalothorax oval shaped and slightly dorsoventrally flattened in profile; 2-3 punctations across narrowest region of areola; branchiostegal region moderately punctate, with small tubercles; chelae broad and robust; mesial surface of palm consisting of two rows of defined tubercles; first row with 5-8 rounded tubercles; second with 3-4 tubercles; two prominent subpalmar tubercles present; first form gonopods contiguous at base, with 2 terminal elements bent 90° to the base; central
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<pageBreakToken pageId="11" pageNumber="12" start="start">projection</pageBreakToken>
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with shallow subapical notch; total length of central projection equal to mesial process length; second form gonopod non-corneous and blunt; mesial process bulbous, truncating distally; annulus ventralis rhomboid in shape, embedded shallowly in sternum and movable.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="11" pageNumber="12" type="color in life">
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<paragraph pageId="11" pageNumber="12">Color in life.</paragraph>
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<paragraph pageId="11" pageNumber="12">Carapace dorsally olivaceous brown, beige, or tan; rostrum margins chestnut brown to brown; chelae olivaceous green to brown; dactyl and propodus denticles cream or yellow; pereiopods tan, light green, cream, or gray; abdomen terga dorsally brown or beige, bordered in gray; ventral surfaces cream or white.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="12" lastPageNumber="13" pageId="11" pageNumber="12" type="specimens examined">
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<paragraph pageId="11" pageNumber="12">Specimens examined.</paragraph>
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<paragraph pageId="11" pageNumber="12">
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="11" pageNumber="12" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
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were collected from six counties at 15 locations. Collection locales and demographics are listed below.
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</paragraph>
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<paragraph lastPageId="12" lastPageNumber="13" pageId="11" pageNumber="12">
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JACKSON COUNTY: Flooded field adjacent to RT 33 S, 9.72 air km (6.04 mi) N of Ravenswood, 39.04274 -81.7827; 3 April 2005 - (WLU 05040301), 3♀. Little Sandy Creek, at intersection of RT 68/CR 8, 38.991497 -81.761765; 21 July 2006 - (WLU 06012103), 1 II ♂. Vernal pool complex adjacent to railroad tracks 3.56 km (2.21 mi) N of Ravenswood, 39.09015 -81.79469; 3 April 2005 - (WLU 05040302), 1♀. West Creek, at intersection of CR 12
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<pageBreakToken pageId="12" pageNumber="13" start="start">/</pageBreakToken>
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CR 10, 38.924362 -81.94200; 20 July 2006 - (WLU 06072001), 1 II ♂, 1♀. MASON COUNTY: Pin oak swamp adjacent to Point Pleasant Moose Lodge in Wagner, 38.833603 -82.12227; 6 June 2005 - (WLU 05060601), 2 ♀. Roadside ditch adjacent to RT 2, 9.17 km (5.7 mi) S of Point Pleasant, 38.80469 -82.18821; 4 March 2005 - (WLU 05030401), 2 I♂, 1 ♀. Roadside ditch adjacent to RT 2 N, 2.91 km (1.81 mi) N of Clover, 38.589428 -82.19548; 4 March 2005 - (WLU 05030402), 1 ♀. Roadside ditch adjacent to RT 2 N, 1.93 km (1.2 mi) N of Glenwood, 38.58816 -82.201004; 3 April 2005 - (WLU 05040305), 1 I♂, 2 ♀. Roadside ditch adjacent to RT 2 N 0.90 air km (0.56 mi.) N of Hogsett, 38.70056 -82.17708; 17 March 2005 - (WLU 05031707), 1 ♀. PLEASANTS COUNTY: Middle Island Creek at RT 2 crossing, 39.40328 -81.197624; 21 July 2006 - (WLU 06072104), 1 ♀. TYLER COUNTY: Nameless tributary at RT 2 crossing in Friendly, 39.513386 -81.06285; 28 July 2005 - (WLU 05072806), 1 I♂, 1 ♀. WETZEL COUNTY: Doolins Run at RT 2 crossing, 39.639576 -80.85607; 28 July 2005 - (WLU 05072805), 1 II♂. WOOD COUNTY: Big Run at CR 21-1 crossing, 39.364048 -81.45656; 21 July 2004 - (WLU 06072101), 1 ♀. Boaz Swamp Wildlife Management Area, 39.462868 -81.10855; 12 April 2004 - (WLU 04042101), 1 ♀. Nameless tributary crossing 3.54 km (2.2 mi) S of Parkersburg, 39.05142 -81.742836; 21 July 2006 - (WLU 06072106) 1 II♂, 1 ♀.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="12" pageNumber="13" type="distribution">
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<paragraph pageId="12" pageNumber="13">Distribution.</paragraph>
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<paragraph pageId="12" pageNumber="13">
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
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ranges from northern Georgia and Tennessee through eastern Kentucky, east central Ohio and western Virginia (
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<bibRefCitation author="Taylor, CA" journalOrPublisher="Illinois Natural History Survey Bulletin" pageId="59" pageNumber="60" title="Crayfishes of Kentucky" volume="28" year="2004">Taylor and Schuster 2004</bibRefCitation>
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). In West Virginia
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
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is prevalent throughout basins associated with the lower reaches of the Kanawha system west of Kanawha Falls and basins draining into the Big Sandy River system.
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
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floodplain populations inhabit the Middle Ohio North, Middle Ohio South, and Lower Ohio basins, and are the dominant secondary burrowing species inhabiting the floodplain (Figure 6). It is replaced in the Middle Ohio North basin in Proctor Creek with
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus carinirostris" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="species" species="carinirostris">Cambarus carinirostris</taxonomicName>
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. A specimen collected from Doolin Run, Wetzel County, a tributary to Fishing Creek, represents the northernmost collection of this species in West Virginia. The distribution of this species has not changed since Jezerinac et al.'s (1995) survey in the late 1980's.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="12" pageNumber="13" type="morphometrics">
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<paragraph pageId="12" pageNumber="13">Morphometrics.</paragraph>
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<paragraph pageId="12" pageNumber="13">
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
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is a medium to large crayfish. The largest individual collected was a female with a 51.6 mm TCL taken from an ephemeral pool complex 3.6 km north of Ravenswood, Jackson County. The largest male collected was a form I collected from a roadside ditch 1.9 km north of Glenwood, Mason County, with a TCL of 45.6 mm. Mean
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
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carapace length was 34.4 mm (n = 25, SE = 12.42). Morphometric data for
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
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is presented in Table 4.
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</paragraph>
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<caption ID-Table-UUID="5B194113435524C941100D73A727D754" httpUri="http://table.plazi.org/id/5B194113435524C941100D73A727D754" pageId="12" pageNumber="13">
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<paragraph pageId="12" pageNumber="13">
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Table 4. West Virginia Ohio River floodplain
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
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morphometrics.
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</paragraph>
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</caption>
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<paragraph pageId="12" pageNumber="13">
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<table pageId="12" pageNumber="13">
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<tr pageId="12" pageNumber="13">
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<th colspan="1" pageId="12" pageNumber="13" rowspan="1">Sex</th>
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<th colspan="1" pageId="12" pageNumber="13" rowspan="1">N</th>
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<th colspan="1" pageId="12" pageNumber="13" rowspan="1">Minimum</th>
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<th colspan="1" pageId="12" pageNumber="13" rowspan="1">Maximum</th>
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<th colspan="1" pageId="12" pageNumber="13" rowspan="1">Mean</th>
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<th colspan="1" pageId="12" pageNumber="13" rowspan="1">Standard Deviation</th>
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</tr>
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</table>
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="14" lastPageNumber="15" pageId="12" pageNumber="13" type="habitat and natural history">
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<paragraph pageId="12" pageNumber="13">Habitat and natural history.</paragraph>
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<paragraph pageId="12" pageNumber="13">
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
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(Figure 8) is a secondary burrowing species like
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus carinirostris" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="species" species="carinirostris">Cambarus carinirostris</taxonomicName>
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, (
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<bibRefCitation author="Jezerinac, RF" journalOrPublisher="Ohio Biological Survey Bulletin" pageId="58" pageNumber="59" pagination="1 - 193" title="The Crayfishes (Decapoda: Cambaridae) of West Virginia" volume="10" year="1995">Jezerinac et al. 1995</bibRefCitation>
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). Along the floodplain, it utilized first and second order stream habitats, ephemeral wetlands, and roadside ditches (Figure 9). The species demonstrated a preference for roadside ditches, with 42.1% of individuals taken from this habitat. Ditches with an associated first-order stream produced particularly robust populations.
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</paragraph>
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<caption pageId="12" pageNumber="13">
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<paragraph pageId="12" pageNumber="13">
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Figure 8.
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
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, Lower Ohio basin, Cabell County, West
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<normalizedToken originalValue="Virginia–">Virginia-</normalizedToken>
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WLU 05031707
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</paragraph>
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</caption>
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<caption pageId="12" pageNumber="13">
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<paragraph pageId="12" pageNumber="13">
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Figure 9. Glenwood, Mason County - Roadside Ditch
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
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and
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus thomai" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="species" species="thomai">Cambarus thomai</taxonomicName>
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utilized roadside ditches readily; these habitats proved important for floodplain crayfish populations. Additional species observed utilizing roadside ditches included
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Fallicambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Fallicambarus fodiens" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="species" species="fodiens">Fallicambarus fodiens</taxonomicName>
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and
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<taxonomicName class="Malacostraca" family="Cambaridae" genus="Procambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Procambarus acutus subsp. acutus" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="subSpecies" species="acutus" subSpecies="acutus">Procambarus acutus acutus</taxonomicName>
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.
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||
</paragraph>
|
||
</caption>
|
||
<paragraph lastPageId="14" lastPageNumber="15" pageId="13" pageNumber="14">
|
||
<pageBreakToken pageId="13" pageNumber="14" start="start">Within</pageBreakToken>
|
||
lotic systems,
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
|
||
prefers first through third order streams to larger streams. It burrows extensively in stream banks, particularly those composed of hardpan and similar regoliths. Burrows are intricate, with central shafts ranging in depth from 0.3 m to 1.0 m. At the terminus of the central shaft, enlarged chambers
|
||
<pageBreakToken pageId="14" pageNumber="15" start="start">were</pageBreakToken>
|
||
always present with several branching auxiliary tunnels. One marked difference between
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
|
||
burrows and those of other burrowing species is the width of the central shaft and the dimensions of the central resting chamber.
|
||
</paragraph>
|
||
<paragraph pageId="14" pageNumber="15">
|
||
The central shaft and central chamber of other floodplain burrowing species (e.g.,
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus thomai" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="thomai">Cambarus thomai</taxonomicName>
|
||
Jezerinac, 1993,
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Fallicambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Fallicambarus fodiens" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="fodiens">Fallicambarus fodiens</taxonomicName>
|
||
(Cottle, 1863), were the width of the
|
||
<normalizedToken originalValue="crayfish’s">crayfish's</normalizedToken>
|
||
carapace at the widest point.
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
|
||
burrows did not follow this same pattern and, usually, were wide and oblong. Anecdotally,
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
|
||
burrows were readily identified by the presence of these structural components, but this method of identification was not used to definitively verify
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
|
||
presence at a site.
|
||
</paragraph>
|
||
<paragraph pageId="14" pageNumber="15">
|
||
In late winter females comprised 66% of trap captures. Those captured in late winter/early spring all possessed active glair glands. This condition has been used in previous studies to indicate future egg extrusion and is likely the explanation for this increase in female activity (
|
||
<bibRefCitation author="Hobbs, HH Jr." journalOrPublisher="Smithsonian Contributions to Zoology" pageId="57" pageNumber="58" pagination="1 - 549" title="The Crayfishes of Georgia." volume="318" year="1981">Hobbs 1981</bibRefCitation>
|
||
). No ovigerous females were collected during this study.
|
||
<bibRefCitation author="Jezerinac, RF" journalOrPublisher="Ohio Biological Survey Bulletin" pageId="58" pageNumber="59" pagination="1 - 193" title="The Crayfishes (Decapoda: Cambaridae) of West Virginia" volume="10" year="1995">Jezerinac et al. (1995)</bibRefCitation>
|
||
reported ovigerous specimens in West Virginia in July. A female retained in captivity collected in a roadside ditch 2.91 km north of Clover extruded eggs on 18 May 2005. Males captured in late winter/early spring did not show any trend toward any single demographic group, with an equal number of form I and form II individuals captured. Crayfish associates collected with
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
|
||
included
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus robustus" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="robustus">Cambarus robustus</taxonomicName>
|
||
,
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus thomai" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="thomai">Cambarus thomai</taxonomicName>
|
||
,
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Fallicambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Fallicambarus fodiens" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="fodiens">Fallicambarus fodiens</taxonomicName>
|
||
,
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Orconectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Orconectes obscurus" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="obscurus">Orconectes obscurus</taxonomicName>
|
||
,
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Orconectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Orconectes sanbornii" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="sanbornii">Orconectes sanbornii</taxonomicName>
|
||
(Faxon, 1884),
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Orconectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Orconectes virilis" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="virilis">Orconectes virilis</taxonomicName>
|
||
and
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Procambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Procambarus acutus" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="acutus">Procambarus acutus</taxonomicName>
|
||
. Seasonal data for
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
|
||
are presented in Table 3.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="14" pageNumber="15" type="conservation status within study area">
|
||
<paragraph pageId="14" pageNumber="15">Conservation status within study area.</paragraph>
|
||
<paragraph pageId="14" pageNumber="15">
|
||
<taxonomicName class="Malacostraca" family="Cambaridae" genus="Cambarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cambarus bartonii subsp. cavatus" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="subSpecies" species="bartonii" subSpecies="cavatus">Cambarus bartonii cavatus</taxonomicName>
|
||
populations along the floodplain are stable and do not warrant special attention.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |