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Evolutionary Biology pp 321–428Cite as

Suture-Zones of Hybrid Interaction Between Recently Joined Biotas

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Abstract

From a study of the geographic occurrences of contemporary hybridization among North American animals, it has become apparent that most of the hybrids are produced in a few relatively localized zones, with little hybridizing in the vast areas between these zones of mixing. The hybrids tend to be at least moderately fertile and therefore to be a source of significant gene exchange between the typically allopatric pairs of species and semispecies. There is a wide variety of consequences from this introgression, with greater or lesser influence on the parental populations, and large portions of the fauna and probably flora are involved. An appropriate term for such a belt of interfaunal and interfloral linkage is suture-zone.1

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  1. Department of Biology, Yale University, New Haven, Connecticut, USA

    Charles L. Remington

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  1. Department of Genetics, University of California, Davis, California, USA

    Theodosius Dobzhansky

  2. Queens College, Flushing, New York, USA

    Max K. Hecht

  3. New York Botanical Garden, Bronx, New York, USA

    William C. Steere

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Remington, C.L. (1968). Suture-Zones of Hybrid Interaction Between Recently Joined Biotas. In: Dobzhansky, T., Hecht, M.K., Steere, W.C. (eds) Evolutionary Biology. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-8094-8_8

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