G. Köhler

Publications149
h-index20
Citations1,772
Highly Influential Citations142
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The conservation status of the world's reptiles
Effective and targeted conservation action requires detailed information about species, their distribution, systematics and ecology as well as the distribution of threat processes which affect them.… Expand
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A Phylogenetic, Biogeographic, and Taxonomic study of all Extant Species of Anolis (Squamata; Iguanidae)
&NA; Anolis lizards (anoles) are textbook study organisms in evolution and ecology. Although several topics in evolutionary biology have been elucidated by the study of anoles, progress in some areas… Expand
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Phylogeny of the lizard subfamily Lygosominae (Reptilia: Scincidae), with special reference to the origin of the new world taxa.
Phylogenetic relationships of the three lygosomine skink genera occurring both in the Old World and the New World (Mabuya, Scincella and Sphenomorphus) were inferred from mitochondrial DNA sequence… Expand
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Mitochondrial DNA phylogeography of the Mesoamerican spiny‐tailed lizards (Ctenosaura quinquecarinata complex): historical biogeography, species status and conservation
Through the examination of past and present distributions of plants and animals, historical biogeographers have provided many insights on the dynamics of the massive organismal exchange between North… Expand
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Tadpole diversity of Bolivia's lowland anuran communities: molecular identification, morphological characterisation, and ecological assignment.
The last decades have witnessed a rapid increase in our knowledge about amphibian diversity, and a growing number of studies have focused on anuran larval stages. Tadpoles can provide key information… Expand
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Characters of external morphology used in Anolis taxonomy-definition of terms, advice on usage, and illustrated examples.
With the aim of establishing a reference for taxonomists, I describe and discuss characters of external morphology that have been used widely in descriptions of Anolis (sensu lato) species. For most… Expand
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Infection Studies of Cicer arietinum (L.) with GUS‐(E. coli β‐glucuronidase) Transformed Ascochyta rabiei Strains
Ascochyta rubiei (Pass) Labr. was transformed with the GUS-(β-glucuronidase) reporter gene of E. coli. Integration of vector-DNA into the A. rabiei genome was documented by Southern analysis. … Expand
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Reptiles of Central America
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A Revision of the Fish Scale Geckos, Genus Geckolepis Grandidier (Squamata, Gekkonidae) from Madagascar and the Comoros
Abstract The Geckolepis fish-scale geckos, which exhibit extreme skin and scale autotomy, and are endemic to Madagascar and the Comoros, have long been considered problematic concerning species… Expand
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Differentiation of lactococci by rRNA gene restriction analysis.
Strains of the subspecies of Lactococcus lactis could be differentiated by rRNA gene restriction fragment length polymorphisms (RFLP). 16S rRNA-specific oligonucleotide as well as polynucleotide DNA… Expand
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