Jaguars from the Brazilian Pantanal: Low genetic structure, male-biased dispersal, and implications for long-term conservation
作者： Fernando Tortato , Joares Adenilson May-Junior , Cristine Silveira Trinca , Eduardo Eizirik , Leandro Silveira
DOI: 10.1016/J.BIOCON.2021.109153
关键词:
摘要: Abstract Habitat loss and fragmentation are important threats to carnivores worldwide especially intense for large predators. Jaguars have been extirpated from over half of their original distribution, few regions still maintain populations. The Pantanal is among the best examples such can be used better understand several aspects jaguar biology that relevant conservation planning throughout species' range. Thus, in this study we microsatellite markers field data to: (i) assess genetic structure gene flow jaguars (n = 110) northern southern Pantanal; (ii) verify if females more philopatric than males; (iii) produce a timeline pedigree allow identification distances offspring mothers; (iv) estimate generation time jaguars. Our results consistent with hypothesis represent panmictic population, although exhibiting some degree local differentiation. Paraguay River seems an factor promoting studied populations, highlighting its relevance regional efforts. provide first evidence female philopatry male-biased dispersal In addition, report wild population direct time. contribute construction realistic assessments dynamics long-term viability, thus contributing design improved strategies on behalf species.
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