Scottnema lindsayae

Scottnema lindsayae nau'in nematode ne na dangin Cephalobidae .   Da farko an bayyana shi a cikin 1971, yana da alaƙa ga Antarctica kuma galibi ana samun shi a cikin Dry Valleys na McMurdo . S. lindsayae, tsutsotsi na microscopic, yana ciyar da ƙananan ƙwayoyin cuta, ciki har da kwayoyin cuta, yisti, da algae.  An daidaita shi da yanayin sanyi da bushewa, yawan jama'arta na iya raguwa sakamakon sauyin yanayi .  

 Taxonomy 
S. lindsayae shine kawai memba na Scottnema da aka kwatanta.  Asalin RW Timm (1971) ya bayyana shi, an ba shi suna ne bayan mai binciken polar Robert Scott da kuma mai tarin holotype, Kay Lindsay. 

 Bayani da yanayin rayuwa 
S. lindsayae yana tsakanin rabin millimita da millimita a tsayi kuma tsakanin micrometers biyu zuwa hudu a fadin. S. lindsayae yana haifuwa ta jima'i, tare da mata suna kwanciya. Matsakaicin tsayin hawan rayuwa da aka lura a  kwanaki 218 ne, tare da matakan samari guda huɗu a wajen kwai. Yayin da yake shiga lokacin sanyi a lokacin hunturu na Antarctic, S. lindsayae yana iya buƙatar rani fiye da ɗaya don kammala zagayen rayuwa ɗaya. Zazzabi sama da  sun kasance masu cutarwa ga sake zagayowar haihuwa, tare da ci gaba da rauni sosai a  .  Sakamakon haka, tsananin zafi a Antarctic na iya haifar da barazana ga wannan nau'in.  A cikin 2006, yawan jama'a ya ragu da 65% tun daga 1993. 

 Wurin zama 
S. lindsayae yana daya daga cikin nematodes guda uku da aka samu a cikin ƙasa na Dry Valleys na McMurdo, kuma ɗaya tilo da ke cikin nahiyar. An kuma samo shi a wasu sassan Antarctica, ciki har da Gabashin Ongul Island da Admiralty Bay . A cikin busassun kwari, S. lindsayae shine mafi girma nematode, wanda ke wakiltar kusan 80% na tsutsotsi da aka rubuta, musamman a cikin wurare masu sanyi da bushewa inda sau da yawa ba a iya samun wasu nau'in.  Har ila yau, ya fi kowa a wurare masu tsayi.   An samo shi zuwa kudu har zuwa digiri 83.48, shine nau'in tsutsotsi na kudu da aka rubuta. 

 Manazarta