Here we address this question, making use of DNA analyses of authentic material of G. nesiotis, recent specimens of the moorhens from both Tristan and Gough and some geographically and taxonomically close other taxa of moorhens.
Tissue samples were obtained from three of the topotypic Uppsala L. terrestris collected in 1972, a syntype of L. herculeus, the five congeners, and the 198 recent specimens of "L.
This "bomb curve", as it is known, changes so fast that year-by-year differences in the 14C levels of recent specimens should be detectable.To test this hypothesis, Dr Uno and his colleagues looked at 29 specimens of known age, from 1905 to 2008.
Although locality information on older specimens may only contain the county or even country of collection, more recent specimens often include a detailed description of the collection site (e.g., location near a highway or cross streets) or highly accurate GPS coordinates.
The person who answered the phone told me he had two of them, both recent specimens, and freestanding, not behind glass as most of the old ones are.
All recent specimens of the Borneo shark have been collected solely from fishery landing sites at Mukah in Sarawak, despite thorough surveys across the rest of Borneo (including at the locality of the type specimen).
But his stories have grown more elegant, subtle, shapely and reflective over time, to the point where some of the recent works are perfect specimens.
The most recent specimen is Amherstia nobilis, collected in 1988.
A more stringent testing algorithm could be used, one that requires confirmation of BED-recent specimens with a second test for recent infection and the addition of testing for the presence of antiretroviral drugs in specimens that are BED-recent.
Potential confounders related to sampling and processing of the specimens (season, recent fewer and spillage) changed the effect on regression coefficients of sperm concentration less than 10% in all study groups and was therefore not included in the final model.
