Small litter sizes and relative clutch mass of Northern Watersnakes in Southwestern Ohio
Relative clutch mass (RCM), the ratio of total mass of a clutch to the postpartum body mass of the female, is considered by many a life history trait that indirectly quantifies reproductive effort in snakes. The Northern Watersnake (Nerodia sipedon sipedon) is one of the most abundant and widespread...
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Veröffentlicht in: | The Ohio journal of science 2007-09, Vol.107 (4), p.84-85 |
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description | Relative clutch mass (RCM), the ratio of total mass of a clutch to the postpartum body mass of the female, is considered by many a life history trait that indirectly quantifies reproductive effort in snakes. The Northern Watersnake (Nerodia sipedon sipedon) is one of the most abundant and widespread species of snake within Ohio. Litter sizes of N. s. sipedon have been reported to range between four and 99 and RCM values typically fall between 0.20 and 0.38. Two gravid N. s. sipedon were hand collected from Collins Creek (Butler County, Ohio) and maintained in the laboratory until parturition. Females gave birth to three and six neonates with RCM values of 0.108 and 0.120, respectively. The extremely small litter sizes and RCM values are, by far, the lowest ever recorded for this species in Ohio and throughout their entire North American range. This local population should be investigated further to determine if and how reproductive output is being depressed at Collins Creek. [PUBLICATION ABSTRACT] |
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The Northern Watersnake (Nerodia sipedon sipedon) is one of the most abundant and widespread species of snake within Ohio. Litter sizes of N. s. sipedon have been reported to range between four and 99 and RCM values typically fall between 0.20 and 0.38. Two gravid N. s. sipedon were hand collected from Collins Creek (Butler County, Ohio) and maintained in the laboratory until parturition. Females gave birth to three and six neonates with RCM values of 0.108 and 0.120, respectively. The extremely small litter sizes and RCM values are, by far, the lowest ever recorded for this species in Ohio and throughout their entire North American range. This local population should be investigated further to determine if and how reproductive output is being depressed at Collins Creek. [PUBLICATION ABSTRACT]</description><identifier>ISSN: 0030-0950</identifier><identifier>EISSN: 2471-9390</identifier><language>eng</language><publisher>Columbus: Ohio Academy of Science</publisher><subject>Animal behavior ; Animal sciences ; Nerodia sipedon sipedon ; Physiological aspects ; Properties ; Snakes</subject><ispartof>The Ohio journal of science, 2007-09, Vol.107 (4), p.84-85</ispartof><rights>COPYRIGHT 2007 Ohio Academy of Science</rights><rights>Copyright Ohio Academy of Science Sep 2007</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780</link.rule.ids></links><search><creatorcontrib>Gerald, Gary W</creatorcontrib><creatorcontrib>Miskell, Courtney A</creatorcontrib><title>Small litter sizes and relative clutch mass of Northern Watersnakes in Southwestern Ohio</title><title>The Ohio journal of science</title><description>Relative clutch mass (RCM), the ratio of total mass of a clutch to the postpartum body mass of the female, is considered by many a life history trait that indirectly quantifies reproductive effort in snakes. The Northern Watersnake (Nerodia sipedon sipedon) is one of the most abundant and widespread species of snake within Ohio. Litter sizes of N. s. sipedon have been reported to range between four and 99 and RCM values typically fall between 0.20 and 0.38. Two gravid N. s. sipedon were hand collected from Collins Creek (Butler County, Ohio) and maintained in the laboratory until parturition. Females gave birth to three and six neonates with RCM values of 0.108 and 0.120, respectively. The extremely small litter sizes and RCM values are, by far, the lowest ever recorded for this species in Ohio and throughout their entire North American range. This local population should be investigated further to determine if and how reproductive output is being depressed at Collins Creek. 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The Northern Watersnake (Nerodia sipedon sipedon) is one of the most abundant and widespread species of snake within Ohio. Litter sizes of N. s. sipedon have been reported to range between four and 99 and RCM values typically fall between 0.20 and 0.38. Two gravid N. s. sipedon were hand collected from Collins Creek (Butler County, Ohio) and maintained in the laboratory until parturition. Females gave birth to three and six neonates with RCM values of 0.108 and 0.120, respectively. The extremely small litter sizes and RCM values are, by far, the lowest ever recorded for this species in Ohio and throughout their entire North American range. This local population should be investigated further to determine if and how reproductive output is being depressed at Collins Creek. [PUBLICATION ABSTRACT]</abstract><cop>Columbus</cop><pub>Ohio Academy of Science</pub><tpages>2</tpages></addata></record> |
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source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
subjects | Animal behavior Animal sciences Nerodia sipedon sipedon Physiological aspects Properties Snakes |
title | Small litter sizes and relative clutch mass of Northern Watersnakes in Southwestern Ohio |
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