Population Structure of the Endangered Franciscana Dolphin (Pontoporia blainvillei): Reassessing Management Units
نویسندگان
چکیده
منابع مشابه
Population Structure of the Endangered Franciscana Dolphin (Pontoporia blainvillei): Reassessing Management Units
Franciscanas are the most endangered dolphins in the Southwestern Atlantic. Due to their coastal and estuarine habits, franciscanas suffer from extensive fisheries bycatch, as well as from habitat loss and degradation. Four Franciscana Management Areas (FMA), proposed based on biology, demography, morphology and genetic data, were incorporated into management planning and in the delineation of ...
متن کاملThe karyotype of Franciscana dolphin (Pontoporia blainvillei).
Despite the recent increase in studies on franciscana dolphin (Pontoporia blainvillei) molecular biology, there has been no published karyotype information, as opportunities for sampling live individuals are very rare. In the present study, the diploid number of the species was established from corneal cell cultures of 2 newborn male franciscanas live stranded (2n = 44). From the comparison of ...
متن کاملFirst record of an anomalously colored franciscana dolphin, Pontoporia blainvillei.
On October 2011, a newborn franciscana dolphin with an anomalously coloration was sighted in Babitonga Bay, southern Brazil. The calf was totally white. Besides the potential mother and newborn, the group also had the presence of another adult, who always was swimming behind the pair. Both adults had the typical coloration of the species, with the back in grayish brown. The group, composed by t...
متن کاملPatterns of population structure at microsatellite and mitochondrial DNA markers in the franciscana dolphin (Pontoporia blainvillei)
The franciscana dolphin, Pontorporia blainvillei, is an endemic cetacean of the Atlantic coast of South America. Its coastal distribution and restricted movement patterns make this species vulnerable to anthropogenic factors, particularly to incidental bycatch. We used mitochondrial DNA control region sequences, 10 microsatellites, and sex data to investigate the population structure of the fra...
متن کاملPopulation genetic structure and social kin associations of franciscana dolphin, Pontoporia blainvillei.
We investigated population and social structure of the franciscana dolphin, Pontoporia blainvillei, an endemic and the most endangered cetacean of the southwestern Atlantic Ocean. We analyzed samples from the Rio de la Plata estuary obtained in Uruguayan waters and from the Atlantic Ocean obtained in both Uruguayan and Brazilian waters. Mitochondrial and microsatellite DNA markers were used to ...
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ژورنال
عنوان ژورنال: PLoS ONE
سال: 2014
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0085633