Registrado por

SUAREZ MORALES EDUARDO

Tipo de artículo

Revistas indexadas

Título de artículo

Diversity and distributional patterns of the Neotropical freshwater diaptomid copepods

Volúmen

90

Número de registro

191

Campo

CIENCIAS DE LA VIDA

Disciplina

BIOLOGIA ANIMAL Y ZOOLOGIA

Subdisciplina

ZOOLOGIA GENERAL

Resumen

THE DISTRIBUTIONAL PATTERNS AND DIVERSITY OF THE DIAPTOMID CALANOID COPEPODS WERE ANALYSED TO ASSESS THE FAUNISTIC AFFINITY OF NORTH AND SOUTH AMERICA WITH RESPECT TO MEXICO AND CENTRAL AMERICA. IN THE NEOTROPICAL REGION, THE MOST SPECIOSE GENERA OF DIAPTOMIDAE ARE Leptodiaptomus AND Mastigodiaptomus. THE FORMER GENUS IS A NEARTIC FORM, AND Mastigodiaptomus IS NEOTROPICAL. BASED ON THE CURRENT DISTRIBUTION OF THEIR DIVERSITY, IT IS PROBABLE THAT THASE GENERA RADIATED INTO MEXICO AND CENTRAL AMERICA FROM NORTH AMERICA AND THE INSULAR CARIBBEAN, RESPECTIVELY. Arctodiaptomus dorsalis IS A PRIMARILY PALAEARCTIC TAXON, IT IS WIDELY DISTRIBUTED BETWEEN NORTH AND CENTRAL AMERICA. THIS SPECIES PROBABLY RADIATED IN THE AMERICAS AS A TETHYAN DERIVATE. Prionodiaptomus IS THE ONLY MEMBER OF THE HIGHLY DIVERSITY PRESENT IN SOUTH AMERICA, IS INFLUENCE IN MEXICO AND CENTRAL AMERICA APPEARS TO BE WEAK; THIS IS PROBABLY A CONSEQUENCE OF THE GEOLOGICALLY RECENT UNION OF THE TWO MAIN SUBCONTINENTAL LANDMASSES. MEXICO SHARES 33% OF ITS SPECIES WITH NA, AND NO SPECIES ARE SHARED BETWEEN NA AND SA. FOR THE DIAPTOMIDAE, THE NEARCTIC INFLUENCE IS STRONGEST IN MEXICO

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Fuente

Sistema Estatal de Información y Documentación Científica y Tecnológica

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15