Abstract：
:In order to extend present knowledge of brown trout phylogeography in the Palaearctic, we analysed the complete mitochondrial D-loop sequence (1025-1027 bp) of all mitochondrial haplotypes of Salmo trutta found in the Iberian Peninsula and one North African haplotype. Sequence variation in the mitochondrial control region serves to identify four major haplotype groups within the Iberian Peninsula, i.e. Atlantic, Duero, Mediterranean and Andalusian. Including the Iberian haplotypes, the five main European groups previously established were increased to six: (i) an Atlantic group including two different clusters, South European and North Atlantic; (ii) a group representing an endemism restricted to the Duero basin in the Iberian Peninsula; (iii) an Adriatic-Andalusian group found in two vicariant areas including Adriatic-Ionian populations in the Mediterranean and the Andalusian basins of the southern Iberian Peninsula; (iv) a Mediterranean group with a distribution range that extends from the southwestern basins of the Iberian Peninsula to the Ionian basins of the Greek Peninsula; (v) a Danube group of wide distribution in the Black, Aral and Caspian basins; and (vi) a group comprising the S. t. marmoratus subspecies confined to the Adriatic Sea. The Iberian Peninsula appears to have acted as a physical boundary between haplotypes corresponding to Atlantic- and Mediterranean-draining rivers. Owing to its geographical position, this area has played a major role in present Palaearctic species distribution, as illustrated by its haplotype diversity.
journal_name
Heredity (Edinb)journal_title
Heredityauthors
Suárez J,Bautista JM,Almodóvar A,Machordom Adoi
10.1046/j.1365-2540.2001.00905.xkeywords:
subject
Has Abstractpub_date
2001-08-01 00:00:00pages
198-206issue
Pt 2eissn
0018-067Xissn
1365-2540pii
905journal_volume
87pub_type
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