211 lines
27 KiB
XML
211 lines
27 KiB
XML
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<mods:title id="C0525DD92BEFEE6BD74FD8BC5ED5192B">Cricetidae</mods:title>
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<mods:namePart id="E6CA74756DB0C09F11D344B08FC3BB7F">Don E. Wilson</mods:namePart>
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<mods:namePart id="D79D82C6FC385F30C209BCE73579A8C3">Russell A. Mittermeier</mods:namePart>
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<mods:namePart id="68F6D5FB241F90BD2734B8A96106C846">Thomas E. Lacher, Jr</mods:namePart>
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<mods:title id="A4144091274CC95D8DE6D4DDA205ABE7">Handbook of the Mammals of the World – Volume 7 Rodents II</mods:title>
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<treatment id="03F06D13FFBD2073088C194B0BCEF55A" ID-DOI="http://doi.org/10.5281/zenodo.6706612" ID-GBIF-Taxon="196221212" ID-Zenodo-Dep="6706612" LSID="urn:lsid:plazi:treatment:03F06D13FFBD2073088C194B0BCEF55A" httpUri="http://treatment.plazi.org/id/03F06D13FFBD2073088C194B0BCEF55A" lastPageId="20" lastPageNumber="299" pageId="19" pageNumber="298">
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<subSubSection id="C3438F8EFFBD2074088C194B0DC3F29E" box="[1467,1524,3351,3397]" pageId="19" pageNumber="298" type="multiple">
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<paragraph id="8BE6DC05FFBD2074088C194B0DC3F29E" blockId="19.[1464,2612,3351,3479]" box="[1467,1524,3351,3397]" pageId="19" pageNumber="298">
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<heading id="D0AE6B69FFBD2074088C194B0DC3F29E" box="[1467,1524,3351,3397]" pageId="19" pageNumber="298">
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<figureCitation id="1362C080FFBD2074088C194B0DC3F29E" box="[1467,1524,3351,3397]" captionStart="Plate 11: Cricetidae" captionStartId="18.[107,137,3099,3124]" captionTargetBox="[25,2753,22,3645]" captionTargetPageId="17" captionText="34. Nearctic Collared Lemming (Dicrostonyx groenlandicus), 35. Ungava Collared Lemming (Dicrostonyx hudsonius), 36. Nelson's Collared Lemming (Dicrostonyx nelsoni), 37. Ogilvie Mountains Collared Lemming (Dicrostonyx nunatakensis), 38. Richardson’s Collared Lemming (Ducrostonyx richardsoni), 39. Palearctic Collared Lemming (Dicrostonyx torquatus), 40. Unalaska Collared Lemming (Dicrostonyx unalascensis), 41. Gray Red-backed Vole (Craseomys rufocanus), 42. Hokkaido Red-backed Vole (Craseomys rex), 43. Korean Red-backed Vole (Craseomys regulus), 44. Shanxi Red-backed Vole (Craseomys shanseius), 45. Anderson’s Red-backed Vole (Craseomys andersoni), 46. Smith’s Red-backed Vole (Craseomys smith), 47. Western Red-backed Vole (Myodes californicus), 48. Southern Red-backed Vole (Myodes gapperi), 49. Bank Vole (Mpyodes glareolus), 50. Tian Shan Red-backed Vole (Myodes centralis), 51. Large-eared Vole (Myodes macrotis), 52. Northern Red-backed Vole (Myodes rutilus), 53. Silver Mountain Vole (Alticola argentatus), 54. White-tailed Mountain Vole (Alticola albicauda), 55. Kashmir Mountain Vole (Alticola montosus), 56. Royle’s Mountain Vole (Alticola roylei), 57. Strelzov’s Mountain Vole (Alticola strelzouvi), 58. Tuva Mountain Vole (Alticola tuvinicus), 59. Gobi Altai Mountain Vole (Alticola barakshin), 60. null (null), 60. null (null), 61. Mongolian Mountain Vole (Alticola semicanus), 61. Mongolian Mountain Vole (Alticola semicanus), 62. Stoliczka’s Mountain Vole (Alticola stoliczkanus), 62. Stoliczka’s Mountain Vole (Alticola stoliczkanus), 63. Lemming Mountain Vole (Aschizomys lemminus), 63. Lemming Mountain Vole (Aschizomys lemminus), 64. Gansu Red-backed Vole (Caryomys eva), 64. Gansu Red-backed Vole (Caryomys eva), 65. Kolan Red-backed Vole (Caryomys inez), 65. Kolan Red-backed Vole (Caryomys inez), 66. Pere David's Red-backed Vole (Eothenomys melanogaster), 66. Pere David’s Red-backed Vole (Eothenomys melanogaster), 67. Yunnan Red-backed Vole (Eothenomys miletus), 68. Sichuan Red-backed Vole (Eothenomys chinensis), 69. Southwest China Red-backed Vole (Eothenomys custos), 70. Black-eared Red-backed Vole (Eothenomys olitor), 71. Yulongxuen Red-backed Vole (FEothenomys proditor), 72. Ward’s Red-backed Vole (Eothenomys wardi), 73. Hinton’s Red-backed Vole (Eothenomys hintoni), 74. Tarquinius Red-backed Vole (Eothenomys tarquinius), 75. Burrowing Vole (Hyperacrius fertilis), 76. Murree Vole (Hyperacrius wynnei)" figureDoi="http://doi.org/10.5281/zenodo.6709261" httpUri="https://zenodo.org/record/6709261/files/figure.png" pageId="19" pageNumber="298">39.</figureCitation>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3438F8EFFBD20740B32194B005CF29E" box="[1541,2155,3351,3397]" pageId="19" pageNumber="298" type="vernacular_names">
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<paragraph id="8BE6DC05FFBD20740B32194B005CF29E" blockId="19.[1464,2612,3351,3479]" box="[1541,2155,3351,3397]" pageId="19" pageNumber="298">
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<heading id="D0AE6B69FFBD20740B32194B005CF29E" box="[1541,2155,3351,3397]" pageId="19" pageNumber="298">
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<vernacularName id="055AAC2BFFBD20740B32194B005CF29E" ID-CoL="6D5R6" baseAuthorityName="Pallas" baseAuthorityYear="1778" box="[1541,2155,3351,3397]" class="Mammalia" family="Cricetidae" genus="Dicrostonyx" kingdom="Animalia" language="eng" order="Rodentia" pageId="19" pageNumber="298" phylum="Chordata" rank="species" species="torquatus">Palearctic Collared Lemming</vernacularName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3438F8EFFBD20740599194B0203F29E" box="[2222,2612,3351,3397]" pageId="19" pageNumber="298" type="nomenclature">
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<paragraph id="8BE6DC05FFBD20740599194B0203F29E" blockId="19.[1464,2612,3351,3479]" box="[2222,2612,3351,3397]" pageId="19" pageNumber="298">
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<heading id="D0AE6B69FFBD20740599194B0203F29E" box="[2222,2612,3351,3397]" pageId="19" pageNumber="298">
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<taxonomicName id="4C59A786FFBD20740599194B0203F29E" ID-CoL="6D5R6" baseAuthorityName="Pallas" baseAuthorityYear="1778" box="[2222,2612,3351,3397]" class="Mammalia" family="Cricetidae" genus="Dicrostonyx" kingdom="Animalia" order="Rodentia" pageId="19" pageNumber="298" phylum="Chordata" rank="species" species="torquatus">
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<emphasis id="B92D0017FFBD20740599194B0203F29E" box="[2222,2612,3351,3397]" italics="true" pageId="19" pageNumber="298">Dicrostonyx torquatus</emphasis>
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</taxonomicName>
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</heading>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C3438F8EFFBD2074088D190B002AF24F" pageId="19" pageNumber="298" type="vernacular_names">
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||
<paragraph id="8BE6DC05FFBD2074088D190B01F9F2B7" blockId="19.[1464,2612,3351,3479]" box="[1466,2510,3415,3436]" pageId="19" pageNumber="298">
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||
<heading id="D0AE6B69FFBD2074088D190B01F9F2B7" box="[1466,2510,3415,3436]" pageId="19" pageNumber="298">
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<emphasis id="B92D0017FFBD2074088D190B0E31F2B7" bold="true" box="[1466,1542,3415,3436]" pageId="19" pageNumber="298">French:</emphasis>
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<vernacularName id="055AAC2BFFBD20740B38190B0EF7F2B7" ID-CoL="6D5R6" baseAuthorityName="Pallas" baseAuthorityYear="1778" box="[1551,1728,3415,3436]" class="Mammalia" family="Cricetidae" genus="Dicrostonyx" kingdom="Animalia" language="fra" order="Rodentia" pageId="19" pageNumber="298" phylum="Chordata" rank="species" species="torquatus">Lemming a collier</vernacularName>
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/
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<emphasis id="B92D0017FFBD20740BE3190B0F18F2B7" bold="true" box="[1748,1839,3415,3436]" pageId="19" pageNumber="298">German:</emphasis>
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<vernacularName id="055AAC2BFFBD20740A0E190B0004F2B7" ID-CoL="6D5R6" baseAuthorityName="Pallas" baseAuthorityYear="1778" box="[1849,2099,3415,3436]" class="Mammalia" family="Cricetidae" genus="Dicrostonyx" kingdom="Animalia" language="deu" order="Rodentia" pageId="19" pageNumber="298" phylum="Chordata" rank="species" species="torquatus">Echter Halsbandlemming</vernacularName>
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/
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<emphasis id="B92D0017FFBD2074057E190B0093F2B7" bold="true" box="[2121,2212,3415,3436]" pageId="19" pageNumber="298">Spanish:</emphasis>
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<vernacularName id="055AAC2BFFBD20740599190B01F9F2B7" ID-CoL="6D5R6" baseAuthorityName="Pallas" baseAuthorityYear="1778" box="[2222,2510,3415,3436]" class="Mammalia" family="Cricetidae" genus="Dicrostonyx" kingdom="Animalia" language="esp" order="Rodentia" pageId="19" pageNumber="298" phylum="Chordata" rank="species" species="torquatus">Lemming paleértico de collar</vernacularName>
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</heading>
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</paragraph>
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<paragraph id="8BE6DC05FFBD2074088D1923002AF24F" blockId="19.[1464,2612,3351,3479]" box="[1466,2077,3455,3476]" pageId="19" pageNumber="298">
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<heading id="D0AE6B69FFBD2074088D1923002AF24F" box="[1466,2077,3455,3476]" pageId="19" pageNumber="298">
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<emphasis id="B92D0017FFBD2074088D19230E87F24F" bold="true" box="[1466,1712,3455,3476]" pageId="19" pageNumber="298">Other common names:</emphasis>
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<vernacularName id="055AAC2BFFBD20740B8F19230F6DF24F" ID-CoL="6D5R6" baseAuthorityName="Pallas" baseAuthorityYear="1778" box="[1720,1882,3455,3476]" class="Mammalia" family="Cricetidae" genus="Dicrostonyx" kingdom="Animalia" language="eng" order="Rodentia" pageId="19" pageNumber="298" phylum="Chordata" rank="species" species="torquatus">Arctic Lemming</vernacularName>
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,
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<vernacularName id="055AAC2BFFBD20740A501923002AF24F" ID-CoL="6D5R6" baseAuthorityName="Pallas" baseAuthorityYear="1778" box="[1895,2077,3455,3476]" class="Mammalia" family="Cricetidae" genus="Dicrostonyx" kingdom="Animalia" language="eng" order="Rodentia" pageId="19" pageNumber="298" phylum="Chordata" rank="species" species="torquatus">Collared Lemming</vernacularName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3438F8EFFBA20730FEC15780D31FEB6" pageId="20" pageNumber="299" type="reference_group">
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<paragraph id="8BE6DC05FFBA20730FEC15780D31FEB6" blockId="20.[731,1322,292,719]" pageId="20" pageNumber="299">
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<emphasis id="B92D0017FFBA20730FEC15780B41FE9E" bold="true" box="[731,886,292,325]" pageId="20" pageNumber="299">Taxonomy.</emphasis>
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<taxonomicName id="4C59A786FFBA20730EA615780D15FE9E" authority="Pallas, 1779" authorityName="Pallas" authorityYear="1779" box="[913,1314,292,325]" class="Mammalia" family="Muridae" genus="Mus" kingdom="Animalia" order="Rodentia" pageId="20" pageNumber="299" phylum="Chordata" rank="species" species="torquatus">Mus torquatus Pallas, 1779</taxonomicName>
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,
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<materialsCitation id="3B31D658FFBA20730FEB15080D31FEB6" ID-GBIF-Occurrence="3818814969" box="[732,1286,340,365]" pageId="20" pageNumber="299">
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mouth of River Ob, NW Siberia,
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<collectingCountry id="F34E9C95FFBA2073099E15080D35FEB6" box="[1193,1282,340,365]" name="Russia" pageId="20" pageNumber="299">Russia</collectingCountry>
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.
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</materialsCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3438F8EFFBA20730FEC152B0ACDFD2D" pageId="20" pageNumber="299" type="discussion">
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<paragraph id="8BE6DC05FFBA20730FEC152B0ACDFD2D" blockId="20.[731,1322,292,719]" lastBlockId="20.[114,1327,725,2689]" pageId="20" pageNumber="299">
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<taxonomicName id="4C59A786FFBA20730FEC152B0BCEFE4F" baseAuthorityName="Pallas" baseAuthorityYear="1778" box="[731,1017,375,404]" class="Mammalia" family="Cricetidae" genus="Dicrostonyx" kingdom="Animalia" order="Rodentia" pageId="20" pageNumber="299" phylum="Chordata" rank="species" species="torquatus">Dicrostonyx torquatus</taxonomicName>
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1s in the subgenus Misothermus. In the past, it was treated as a Holarctic species, with five subspecies in Eurasia and 6-12 in North America. Evolutionary split between Palearctic and Nearctic species was first retrieved from chromosomal evidence and cross-breeding experiments and subsequently confirmed by molecular markers and morphometric data. Three subspecies recognized.
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</paragraph>
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</subSubSection>
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||
<subSubSection id="C3438F8EFFBA20730D42175C0BB6FC60" pageId="20" pageNumber="299" type="synonymic_list">
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||
<caption id="DF268C8DFFBA20730D42175C0BB6FC60" ID-DOI="http://doi.org/10.5281/zenodo.6760309" ID-Zenodo-Dep="6760309" httpUri="https://zenodo.org/record/6760309/files/figure.png" inLine="true" pageId="20" pageNumber="299" startId="20.[117,271,768,797]" targetBox="[115,707,299,713]" targetPageId="20">
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<paragraph id="8BE6DC05FFBA20730D42175C0A32FCC6" blockId="20.[114,1327,725,2689]" box="[117,517,768,797]" pageId="20" pageNumber="299">
|
||
<emphasis id="B92D0017FFBA20730D42175C0A32FCC6" bold="true" box="[117,517,768,797]" pageId="20" pageNumber="299">Subspecies and Distribution.</emphasis>
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</paragraph>
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<paragraph id="8BE6DC05FFBA20730D4217780D11FC9E" blockId="20.[114,1327,725,2689]" box="[117,1318,804,837]" pageId="20" pageNumber="299">
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||
<taxonomicName id="4C59A786FFBA20730D4217780D11FC9E" authority="Pallas, 1779" authorityName="Pallas" authorityYear="1779" box="[117,1318,804,837]" class="Mammalia" family="Cricetidae" genus="Dicrostonyx" kingdom="Animalia" order="Rodentia" pageId="20" pageNumber="299" phylum="Chordata" rank="subSpecies" species="torquatus" subSpecies="torquatus">D.t.torquatusPallas,1779—NEEuropeanRussiaandW&CSiberia(WofYeniseiRiver).</taxonomicName>
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</paragraph>
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<paragraph id="8BE6DC05FFBA20730D4317130BD5FC4F" blockId="20.[114,1327,725,2689]" pageId="20" pageNumber="299">
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||
<taxonomicName id="4C59A786FFBA20730D4317130BD5FC4F" authority="G. M .. Allen, 1914" authorityName="G. M .. Allen" authorityYear="1914" class="Mammalia" family="Cricetidae" genus="Dicrostonyx" kingdom="Animalia" order="Rodentia" pageId="20" pageNumber="299" phylum="Chordata" rank="subSpecies" species="torquatus" subSpecies="chionopaes">D.t.chionopaesG.M..Allen,1914—ESiberia(EofYeniseiRiver),includingBolshevikIandNewSiberianIs,EtoChukchiandKamchatkapeninsulas.</taxonomicName>
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</paragraph>
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<paragraph id="8BE6DC05FFBA20730D4217C20BB6FC60" blockId="20.[114,1327,725,2689]" box="[117,897,926,955]" pageId="20" pageNumber="299">
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||
<taxonomicName id="4C59A786FFBA20730D4217C209E7FC60" authority="Baer, 1841" authorityName="Baer" authorityYear="1841" box="[117,464,926,955]" class="Mammalia" family="Cricetidae" genus="Dicrostonyx" kingdom="Animalia" order="Rodentia" pageId="20" pageNumber="299" phylum="Chordata" rank="subSpecies" species="torquatus" subSpecies="ungulatus">D. t. ungulatus Baer, 1841</taxonomicName>
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— Novaya Zemlya I (N Russia).
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</paragraph>
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</caption>
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</subSubSection>
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||
<subSubSection id="C3438F8EFFBA20730D43179A08DAFB14" pageId="20" pageNumber="299" type="description">
|
||
<paragraph id="8BE6DC05FFBA20730D43179A08DAFB14" blockId="20.[114,1327,725,2689]" pageId="20" pageNumber="299">
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||
<emphasis id="B92D0017FFBA20730D43179A095BFC38" bold="true" box="[116,364,966,995]" pageId="20" pageNumber="299">Descriptive notes.</emphasis>
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Head—body 88-140 mm, tail 11-21 mm; weight 63-155 g. Size of the Palearctic Collared Lemming is fairly stable across its entire distribution. It is similar to the Nearctic Collared Lemming (
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<taxonomicName id="4C59A786FFBA20730F41104C0B66FBEA" baseAuthorityName="Traill" baseAuthorityYear="1823" box="[630,849,1040,1073]" class="Mammalia" family="Cricetidae" genus="Dicrostonyx" kingdom="Animalia" order="Rodentia" pageId="20" pageNumber="299" phylum="Chordata" rank="species" species="groenlandicus">D. groenlandicus</taxonomicName>
|
||
) in size, body proportions, color, other peculiarities of external morphology, and craniodental makeup. Its spinalstripe tends to be more distinct and reddish tints more pronounced in the west. Vestigial angles on molars tend to be less well developed than on species in the subgenus Di-Crostonyx.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3438F8EFFBA20730D4210890A67FA39" pageId="20" pageNumber="299" type="biology_ecology">
|
||
<paragraph id="8BE6DC05FFBA20730D4210890A67FA39" blockId="20.[114,1327,725,2689]" pageId="20" pageNumber="299">
|
||
<emphasis id="B92D0017FFBA20730D42108908D4FB2D" bold="true" box="[117,227,1237,1270]" pageId="20" pageNumber="299">Habitat.</emphasis>
|
||
Dry and well-drained uplands in high Arctic tundra and forest tundra along southern distributional border. Suitable habitat of the Palearctic Collared Lemming is rich in dicotyledons (avens,
|
||
<taxonomicName id="4C59A786FFBA20730F3411700A7BFA9E" box="[515,588,1324,1349]" class="Magnoliopsida" family="Rosaceae" genus="Geum" kingdom="Plantae" order="Rosales" pageId="20" pageNumber="299" phylum="Tracheophyta" rank="genus">Geum</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C59A786FFBA20730F6B11700AE9FA9E" box="[604,734,1324,1349]" class="Magnoliopsida" family="Rosaceae" kingdom="Plantae" order="Rosales" pageId="20" pageNumber="299" phylum="Tracheophyta" rank="family">Rosaceae</taxonomicName>
|
||
, and dwarf willows,
|
||
<taxonomicName id="4C59A786FFBA20730ECE11700C0FFA9E" box="[1017,1080,1324,1349]" class="Magnoliopsida" family="Salicaceae" genus="Salix" kingdom="Plantae" order="Malpighiales" pageId="20" pageNumber="299" phylum="Tracheophyta" rank="genus">Salix</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C59A786FFBA2073097F11700CEAFA9E" box="[1096,1245,1324,1349]" class="Magnoliopsida" family="Salicaceae" kingdom="Plantae" order="Malpighiales" pageId="20" pageNumber="299" phylum="Tracheophyta" rank="family">Salicaceae</taxonomicName>
|
||
); cottongrass (
|
||
<taxonomicName id="4C59A786FFBA20730DC9111309AFFAB7" box="[254,408,1359,1388]" class="Liliopsida" family="Cyperaceae" genus="Eriophorum" kingdom="Plantae" order="Poales" pageId="20" pageNumber="299" phylum="Tracheophyta" rank="genus">Eriophorum</taxonomicName>
|
||
) and other sedges (
|
||
<taxonomicName id="4C59A786FFBA20730F8411130B6BFAB7" box="[691,860,1359,1388]" class="Liliopsida" family="Cyperaceae" kingdom="Plantae" order="Poales" pageId="20" pageNumber="299" phylum="Tracheophyta" rank="family">Cyperaceae</taxonomicName>
|
||
); grasses (
|
||
<taxonomicName id="4C59A786FFBA20730EDA11130C50FAB7" box="[1005,1127,1359,1388]" class="Liliopsida" family="Poaceae" kingdom="Plantae" order="Poales" pageId="20" pageNumber="299" phylum="Tracheophyta" rank="family">Poaceae</taxonomicName>
|
||
); and mosses. Winter habitats are on steep slopes, in depressions, and in peat tundra with thick snow layers. They have been recorded up to elevations of ¢.1400 m in the Ural Mountains and 500-700 m in eastern Siberia.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3438F8EFFBA20730D4211B50BABF92D" pageId="20" pageNumber="299" type="food_feeding">
|
||
<paragraph id="8BE6DC05FFBA20730D4211B50BABF92D" blockId="20.[114,1327,725,2689]" pageId="20" pageNumber="299">
|
||
<emphasis id="B92D0017FFBA20730D4211B50948F9D1" bold="true" box="[117,383,1513,1546]" pageId="20" pageNumber="299">Food and Feeding.</emphasis>
|
||
Summer diet of the Palearctic Collared Lemming is diverse and includes forbs, monocotyledons (sedges and grasses), and dicotyledons (dwarf willows, avens, blueberries,
|
||
<taxonomicName id="4C59A786FFBA20730CEE12600A6BF982" box="[473,604,1596,1625]" class="Magnoliopsida" family="Ericaceae" genus="Vaccinium" kingdom="Plantae" order="Ericales" pageId="20" pageNumber="299" phylum="Tracheophyta" rank="genus">Vaccinium</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C59A786FFBA20730F5A12600AC2F982" box="[621,757,1596,1625]" class="Magnoliopsida" family="Ericaceae" kingdom="Plantae" order="Ericales" pageId="20" pageNumber="299" phylum="Tracheophyta" rank="family">Ericaceae</taxonomicName>
|
||
; rockfoils,
|
||
<taxonomicName id="4C59A786FFBA20730EA312600C39F982" box="[916,1038,1596,1625]" class="Magnoliopsida" family="Saxifragaceae" genus="Saxifraga" kingdom="Plantae" order="Saxifragales" pageId="20" pageNumber="299" phylum="Tracheophyta" rank="genus">Saxifraga</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C59A786FFBA2073091712600CD6F982" box="[1056,1249,1596,1625]" class="Magnoliopsida" family="Saxifragaceae" kingdom="Plantae" order="Saxifragales" pageId="20" pageNumber="299" phylum="Tracheophyta" rank="family">Saxifragaceae</taxonomicName>
|
||
; and lousewort,
|
||
<taxonomicName id="4C59A786FFBA20730C3A120309ADF95B" box="[269,410,1631,1664]" class="Magnoliopsida" family="Orobanchaceae" genus="Pedicularis" kingdom="Plantae" order="Lamiales" pageId="20" pageNumber="299" phylum="Tracheophyta" rank="genus">Pedicularis</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C59A786FFBA20730C9E12030AB9F95B" box="[425,654,1631,1664]" class="Magnoliopsida" family="Orobanchaceae" kingdom="Plantae" order="Lamiales" pageId="20" pageNumber="299" phylum="Tracheophyta" rank="family">Orobanchaceae</taxonomicName>
|
||
). Dicotyledons can comprise more than 75% of diets in summer and autumn. Monocotyledons become more important under snow. Winter diet is monotonous, frequently only 2-3 plant species. Lichens are not palatable. Reports on food caches for winter are contradictory.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3438F8EFFBA20730D43135C0C1AF75B" pageId="20" pageNumber="299" type="breeding">
|
||
<paragraph id="8BE6DC05FFBA20730D43135C0C1AF75B" blockId="20.[114,1327,725,2689]" pageId="20" pageNumber="299">
|
||
<emphasis id="B92D0017FFBA20730D43135C08CFF8C6" bold="true" box="[116,248,1792,1821]" pageId="20" pageNumber="299">Breeding.</emphasis>
|
||
Breeding season of the Palearctic Collared Lemming starts under the snow in April-May and even February-March in some years. Gestation lasts 17-21 days, and females have 1-12 embryos. Mean numbers of embryos per female have been reported as 4-3-8-4. Overwintered females have largerlitters (mean numbers of embryos 5-5-5-7) than females of the year (4-3—4-8); spring litters are larger (8) than summerlitters (5-7). Females normally have 2-3 litters/season. Sex ratio is female-biased, which is a consequence of an unusual genetic system in the Palearctic Collared Lemming. Similarly to the Wood Lemming, the X-chromosome can be either orthodox (X) or with a mutation (X*) suppressing the Y-chromosome gene. X*Y females have eggs with either X* orY sex chromosomes and therefore produce twice as many females as males.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3438F8EFFBA20730D451CDA0A1AF6C6" pageId="20" pageNumber="299" type="activity">
|
||
<paragraph id="8BE6DC05FFBA20730D451CDA0A1AF6C6" blockId="20.[114,1327,725,2689]" pageId="20" pageNumber="299">
|
||
<emphasis id="B92D0017FFBA20730D451CDA0955F77C" bold="true" box="[114,354,2182,2215]" pageId="20" pageNumber="299">Activity patterns.</emphasis>
|
||
Palearctic Collared Lemmings are active throughout the
|
||
<taxonomicName id="4C59A786FFBA207309811CDA0CD2F77C" box="[1206,1253,2182,2215]" class="Mammalia" family="Cricetidae" genus="Ondatra" kingdom="Animalia" order="Rodentia" pageId="20" pageNumber="299" phylum="Chordata" rank="species" species="day">day</taxonomicName>
|
||
and year. Entrances to underground tunnels are not connected by surface runways. During winter, they dig under snow. Nest chambers are 11-20 cm in diameter and lined with dry sedges, grasses, and mosses.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3438F8EFFBA20730D431D74098BF648" pageId="20" pageNumber="299" type="biology_ecology">
|
||
<paragraph id="8BE6DC05FFBA20730D431D74098BF648" blockId="20.[114,1327,725,2689]" pageId="20" pageNumber="299">
|
||
<emphasis id="B92D0017FFBA20730D431D740B18F69E" bold="true" box="[116,815,2344,2373]" pageId="20" pageNumber="299">Movements, Home range and Social organization.</emphasis>
|
||
Territoriality among Palearctic Collared Lemmings is pronounced in summer. Adult pair shares a burrow. Level of aggressive behavior is low.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3438F8EFFBA20730D431DC60B2EF5EB" pageId="20" pageNumber="299" type="conservation">
|
||
<paragraph id="8BE6DC05FFBA20730D431DC60B2EF5EB" blockId="20.[114,1327,725,2689]" pageId="20" pageNumber="299">
|
||
<emphasis id="B92D0017FFBA20730D431DC609EFF660" bold="true" box="[116,472,2458,2491]" pageId="20" pageNumber="299">Status and Conservation.</emphasis>
|
||
Classified as Least Concern on The IUCN Red List. Insular subspecies ungulatus from Novaya Zemlya is classified as vulnerable in the Red Book of Russian Federation. The Palearctic Collared Lemming is in The Red Book of the Magadan Region due to its rarity along the Sea of Okhotsk.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3438F8EFFBA20730D421E1C0BCEF55A" pageId="20" pageNumber="299" type="bibRefCitation_list">
|
||
<paragraph id="8BE6DC05FFBA20730D421E1C0BCEF55A" blockId="20.[114,1327,725,2689]" pageId="20" pageNumber="299">
|
||
<emphasis id="B92D0017FFBA20730D421E1C0939F582" bold="true" box="[117,270,2624,2649]" pageId="20" pageNumber="299">Bibliography.</emphasis>
|
||
Abramson & Tikhonova (2002), Chernjavskij (1984, 2016e), Dokuchaev (2008), Gromov & Erbajeva (1995), Krivosheev (1984), Shenbrot & Krasnov (2005), Tavrovskiy et al. (1971).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |