By a News Reporter-Staff News Editor at Ecology, Environment & Conservation -- Investigators publish new report on Ecology - African Ecology. According to news reporting out of Aichi, Japan, by VerticalNews editors, research stated, “Gestation and longevity scale with body mass across taxa, yet within size dimorphic taxa, males tend to have reduced lifespans compared with females. Testing life history models, and accounting for sex differences in longevity, requires obtaining accurate longitudinal data from wild populations.”
Our news journalists obtained a quote from the research from Kyoto University, “We provide the first report describing key life history parameters from a long-term study of giraffes in Africa. We followed a population of Thornicroft’s giraffe (Giraffa camelopardalis thornicrofti) in Zambia for over 40years. Maximum longevity among females was approximately 28years, with lifespan accounting for 81% of the variance in lifetime reproductive success. Average adult female life expectancy was no different than average adult male life expectancy. However, the breeding lifespan of males was about half that of females, while maximum lifespan of males was 75% that of females. Our findings support the suggestion that sex differences in maximum lifespan arise from stronger selection for lengthy lives in females than in males.”
According to the news editors, the research concluded: “Among females, longer lives are associated with greater reproductive output.”
For more information on this research see: Life expectancy, maximum longevity and lifetime reproductive success in female Thornicroft’s giraffe in Zambia. African Journal of Ecology , 2017;55(4):443-450. African Journal of Ecology can be contacted at: Wiley, 111 River St, Hoboken 07030-5774, NJ, USA. (Wiley-Blackwell - http://www.wiley.com/; African Journal of Ecology - http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1365-2028)
Our news journalists report that additional information may be obtained by contacting F.B. Bercovitch, Kyoto University, Wildlife Res Center, Inuyama, Aichi 4848506, Japan.
The direct object identifier (DOI) for that additional information is: https://doi.org/10.1111/aje.12370. This DOI is a link to an online electronic document that is either free or for purchase, and can be your direct source for a journal article and its citation.
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CITATION: (2017-12-29), Findings from Kyoto University Yields New Findings on African Ecology (Life expectancy, maximum longevity and lifetime reproductive success in female Thornicroft’s giraffe in Zambia), Ecology, Environment & Conservation, 188, ISSN: 1945-6506, BUTTER® ID: 014909039
From the newsletter Ecology, Environment & Conservation.
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