Abundance and genetic diversity responses of a lizard (Eulamprus heatwolei) to logging disturbance
| Autor: | Claudio Ciofi, Yang Hu, Joanna Sumner, Tim S. Jessop, Francesca Lyndon-Gee |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
0106 biological sciences
education.field_of_study Genetic diversity 010604 marine biology & hydrobiology Chronosequence Logging Population Forest management Biodiversity Zoology Biology 010603 evolutionary biology 01 natural sciences Disturbance (ecology) Abundance (ecology) Animal Science and Zoology education Ecology Evolution Behavior and Systematics |
| Zdroj: | Australian Journal of Zoology. 65:362 |
| ISSN: | 0004-959X |
| DOI: | 10.1071/zo17051 |
| Popis: | Rotational logging practices are used with the goal of reducing forest disturbance impacts on biodiversity. However, it is poorly understood whether such forest management practices conserve the demographic and genetic composition of animal populations across logged landscapes. Here we investigated whether rotational logging practices alter patterns of landscape-scale population abundance and genetic diversity of a forest-dwelling lizard (Eulamprus heatwolei) in south-eastern Australia. We sampled lizards (n = 407) at up to 48 sites across a chronosequence of logging disturbance intervals (60 years after logging) to assess site-specific population changes and genetic diversity parameters. Lizard abundances exhibited a significant curvilinear response to time since logging, with decreased numbers following logging (30 years). Lizard genetic diversity parameters were not significantly influenced by logging disturbance. These results suggest that logging practices, whilst inducing short-term changes to population abundance, had no measurable effects on the landscape-scale genetic diversity of E. heatwolei. These results are important as they demonstrate the value of monitoring for evaluating forest management efficacy, and the use of different population-level markers to make stronger inference about the potential impacts of logging activities. |
| Databáze: | OpenAIRE |
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