Species boundaries, phylogeography and conservation genetics of the red‐legged frog (<i>Rana aurora/draytonii</i>) complex

Molecular Ecology - Tập 13 Số 9 - Trang 2667-2677 - 2004
H. Bradley Shaffer1, Gary M. Fellers2, S. Randal Voss3,1, Jeffrey C. Oliver4,1, Gregory B. Pauly1,5
1Section of Evolution and Ecology and Center for Population Biology, University of California, Davis, CA 95616, USA.
2Western Ecological Research Center, USGS, Point Reyes National Seashore, Point Reyes, CA 94956, USA
3Department of Biology, University of Kentucky, Lexington, KY, 40506 USA
4Interdisciplinary Program in Insect Sciences, University of Arizona, Tucson, AZ 85721, USA
5Section of Integrative Biology, The University of Texas, Austin, TX 78712, USA

Tóm tắt

AbstractThe red‐legged frog, Rana aurora, has been recognized as both a single, polytypic species and as two distinct species since its original description 150 years ago. It is currently recognized as one species with two geographically contiguous subspecies, aurora and draytonii; the latter is protected under the US Endangered Species Act. We present the results of a survey of 50 populations of red‐legged frogs from across their range plus four outgroup species for variation in a phylogenetically informative, ∼400 base pairs (bp) fragment of the mitochondrial cytochrome b gene. Our mtDNA analysis points to several major results. (1) In accord with several other lines of independent evidence, aurora and draytonii are each diagnosably distinct, evolutionary lineages; the mtDNA data indicate that they do not constitute a monophyletic group, but rather that aurora and R. cascadae from the Pacific northwest are sister taxa; (2) the range of the draytonii mtDNA clade extends about 100 km further north in coastal California than was previously suspected, and corresponds closely with the range limits or phylogeographical breaks of several codistributed taxa; (3) a narrow zone of overlap exists in southern Mendocino County between aurora and draytonii haplotypes, rather than a broad intergradation zone; and (4) the critically endangered population of draytonii in Riverside County, CA forms a distinct clade with frogs from Baja California, Mexico. The currently available evidence favours recognition of aurora and draytonii as separate species with a narrow zone of overlap in northern California.

Từ khóa


Tài liệu tham khảo

10.1073/pnas.96.3.992

Baird SF, 1852, Descriptions of new species of reptiles, collected by the U.S. Exploring Expedition under the command of Capt. Charles Wilkes, U.S.N. First part — Including the species from the western coast of America, Proceedings of the Academy of Natural Sciences of Philadelphia, 6, 174

10.1111/j.1558-5646.1999.tb05385.x

10.1643/0045-8511(2001)001[0508:CBPDNM]2.0.CO;2

10.1046/j.1365-294X.2003.01794.x

Camp CL, 1917, Notes on the systematic status of the toads and frogs of California, University of California Publications in Zoology, 17, 115

10.2307/2412881

10.1046/j.1365-294x.2000.00846.x

10.1890/1051-0761(2001)011[0464:DOTCRL]2.0.CO;2

10.1046/j.1523-1739.2002.01030.x

Frost DR, 1985, Amphibian Species of the World

10.1111/j.1558-5646.1989.tb05172.x

10.2307/1445267

10.2307/2413381

10.2307/2413382

10.2307/1445289

10.2307/1445357

Highton E, 1990, Taxonomic treatment of genetically differentiated populations, Herpetologica, 46, 114

10.2307/1467024

Hillis DM, 1996, Molecular Systematics, 321

Hillis DM, 1996, Molecular Systematics, 515

10.1111/j.0014-3820.2002.tb01467.x

Huelsenbeck JP, 1996, Molecular Zoology: Advances, Strategies, and Protocols, 19

10.1093/sysbio/45.4.546

10.1111/j.0014-3820.2002.tb00164.x

Jennings MR, 1985, Pre‐1900 overharvest of California red‐legged frogs (Rana aurora draytonii): the inducement for bullfrog (Rana catesbeiana) introduction, Herpetologica, 41, 94

Jennings MR, 1994, Amphibian and Reptile Species of Special Concern in California, 1

Linsdale JM, 1932, Amphibians and reptiles from lower California, University of California Publications in Zoology, 38, 345

10.1006/mpev.2000.0908

MaddisonWP MaddisonDR(2003)mesquite: a modular system for evolutionary analysis.http://mesquiteproject.org/mesquite/mesquite.html

10.1046/j.1365-294X.2001.01178.x

10.1046/j.1365-294X.2003.02001.x

Porter KR, 1961, Experimental crosses between Rana aurora aurora Baird and Girard and Rana cascadae Slater, Herpetologica, 17, 156

10.1093/bioinformatics/14.9.817

10.1111/j.0014-3820.2002.tb01413.x

10.1007/978-1-4684-8094-8_8

10.1046/j.1365-294x.1999.00793.x

10.1006/mpev.2000.0886

10.1073/pnas.242585899

10.1016/S0169-5347(03)00184-8

Slater JR, 1939, Description and life‐history of a new Rana from Washington, Herpetologica, 1, 145

10.1007/BF00987957

Stebbins RC, 1962, Amphibians of Western North America

Stebbins RC, 1985, A Field Guide to Western Reptiles and Amphibians.

Stejneger L, 1943, A check list of North American amphibians and reptiles, Bulletin of the Museum of Comparative Zoology, 93, 1

10.1266/ggs.76.311

Swofford DL, 1998, paup *. Phylogenetic Analysis Using Parsimony (*and Other Methods)

10.1093/nar/25.24.4876

United States Fish and Wildlife Service (USFWS, 1996, Federal Register, 25813

United States Fish and Wildlife Service (USFWS, 2002, Recovery Plan for the California Red‐legged Frog (Rana aurora draytonii), viii

10.1080/106351598260635

10.1650/0010-5422(2001)103[0001:CPOSAB]2.0.CO;2

Zweifel RG, 1955, Ecology, distribution, and systematics of frogs of the Rana boylei group, University of California Publications in Zoology, 54, 207

Thông tin
Thông tin xuất bản

Molecular Ecology

Tập 13 Số 9

2667-2677

Thông tin tác giả