Articles by Author: Krystal A Tolley

Search results for Krystal A Tolley

We found 7 results for you
  1. Chameleons on the move: survival and movement of the Cape dwarf chameleon, <em>Bradypodion pumilum,</em> within a fragmented urban habitat

    Chameleons on the move: survival and movement of the Cape dwarf chameleon, <em>Bradypodion pumilum,</em> within a fragmented urban habitat

    Item type: Journal Article • Journal: African Zoology
    Reptiles have an amazing diversity of life-history attributes ranging from the shortest- to longest-lived of vertebrate species. Estimating survival in wild populations is of key importance when understanding population dynamics and life-history evolution. However, data are lacking for a large...
  2. Characterisation of microsatellite markers in the Spotted Sand Lizard (<em>Pedioplanis lineoocellata</em>) shows low levels of inbreeding and moderate genetic diversity on a small spatial scale

    Characterisation of microsatellite markers in the Spotted Sand Lizard (<em>Pedioplanis lineoocellata</em>) shows low levels of inbreeding and moderate genetic diversity on a small spatial scale

    Item type: Journal Article • Journal: African Journal of Herpetology
    Population genetic methods can be useful for understanding spatial genetic patterns, gene flow and diversity. While genetic markers such as gene sequences are useful for understanding broad scale phylogeographic patterns, microsatellite markers allow for inferences within species and on smaller...
  3. Analysis of genetic diversity in Rose’s mountain toadlet (<em>Capensibufo rosei</em>) using novel microsatellite markers

    Analysis of genetic diversity in Rose’s mountain toadlet (<em>Capensibufo rosei</em>) using novel microsatellite markers

    Item type: Journal Article • Journal: African Journal of Herpetology
    On the Cape Peninsula, Capensibufo rosei is known from only two isolated breeding populations within Table Mountain National Park. Because of its declining state, there is an urgent need to understand the genetic diversity, population structure and patterns of movement...
  4. Genetic diversity and differentiation of the Western Leopard Toad (<em>Sclerophrys pantherina</em>) based on mitochondrial and microsatellite markers

    Genetic diversity and differentiation of the Western Leopard Toad (<em>Sclerophrys pantherina</em>) based on mitochondrial and microsatellite markers

    Item type: Journal Article • Journal: African Journal of Herpetology
    Intraspecific genetic diversity provides the basis for evolutionary change and is therefore considered the most fundamental level of biodiversity. Mitochondrial DNA (mtDNA) and microsatellite loci are the markers most typically used in population-level studies; however, their patterns of genetic variation...
  5. Cryptic diversity in the common flap-necked chameleon <em>Chamaeleo dilepis</em> in South Africa

    Cryptic diversity in the common flap-necked chameleon <em>Chamaeleo dilepis</em> in South Africa

    Item type: Journal Article • Journal: African Zoology
    The spatial genetic structure of a species, and whether distinct genetic lineages are present, is strongly influenced by their biology and habitat requirements. Given habitat specificity and low vagility, many herpetofaunal species are reservoirs for high levels of cryptic diversity;...
  6. New species of Mongrel Frogs (Pyxicephalidae: <em>Nothophryne</em>) for northern Mozambique inselbergs

    New species of Mongrel Frogs (Pyxicephalidae: <em>Nothophryne</em>) for northern Mozambique inselbergs

    Item type: Journal Article • Journal: African Journal of Herpetology
    Nothophryne Poynton, 1963 is a monotypic genus of frog, with the nominal species N. broadleyi found only on Mount Mulanje, in southern Malawi. Recent surveys in northern Mozambique, however, have uncovered at least four new species associated with four inselbergs...
  7. A phylogeny and genus-level revision of the African file snakes <em>Gonionotophis</em> Boulenger (Squamata: Lamprophiidae)

    A phylogeny and genus-level revision of the African file snakes <em>Gonionotophis</em> Boulenger (Squamata: Lamprophiidae)

    Item type: Journal Article • Journal: African Journal of Herpetology
    The sub-Saharan African file snake genus Gonionotophis is currently comprised of 15 species. However, the concept of this genus has been confounded by morphological and genetic differences between the constituent taxa. Due to the dearth of DNA samples, a taxonomic...