ujvari-potentialdemise-2011.pdf (373.84 kB)
The potential demise of a population of adders (Vipera berus) in Smygehuk, Sweden
journal contribution
posted on 2011-01-01, 00:00 authored by Thomas MadsenThomas Madsen, Beata UjvariBeata UjvariAbstract.—In 1999 and 2004, we published reports on how the introduction of 20 males into a severely inbred and isolated population of Adders halted its decline towards extinction. The introduction significantly enhanced the population’s genetic variability, which resulted in a dramatic increase in offspring viability and a rapid increase in numbers.