ArticleEvolutionary applications2015
Consequences of extensive habitat fragmentation in landscape-level patterns of genetic diversity and structure in the Mediterranean esparto grasshopper.
Article in Evolutionary applications, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed.
- Identification and characterization of 17 novel polynucleotide microsatellite markers in Ocypode stimpsoni (Decapoda: Ocypodidae).BMC research notes · 2024Article
- Effects of Environmental Factors on the Diversity of Grasshopper Communities along Altitude Gradients in Xizang, China.Insects · 2024Article
- Niche modelling and landscape genetics of the yellow-legged hornet (Ecology and evolution · 2024Article
- Article
- Article
- Impact of Limited Dispersion Capacity and Natural Barriers on the Population Structure of the Grasshopper Ommexecha virens (Orthoptera: Ommexechidae).Neotropical entomology · 2021Article
- Genetic structure across urban and agricultural landscapes reveals evidence of resource specialization and philopatry in the Eastern carpenter bee,Evolutionary applications · 2021Article
- Insights into the neutral and adaptive processes shaping the spatial distribution of genomic variation in the economically important Moroccan locust (Ecology and evolution · 2020Article
- Article
- Wide dispersion of B chromosomes in Rhammatocerus brasiliensis (Orthoptera, Acrididae).Genetics and molecular biology · 2020Article
- Landscape genetics reveals unique and shared effects of urbanization for two sympatric pool-breeding amphibians.Ecology and evolution · 2019Article
- Using high-throughput sequencing to investigate the factors structuring genomic variation of a Mediterranean grasshopper of great conservation concern.Scientific reports · 2018Article
- The influence of latitude, geographic distance, and habitat discontinuities on genetic variation in a high latitude montane species.Scientific reports · 2018Article
- Development and characterization of microsatellite markers for endangered species Stipa pennata (Poaceae) and their usefulness in intraspecific delimitation.Molecular biology reports · 2018Article
- Spatial and temporal genetic dynamics of the grasshopperEcology and evolution · 2018Article
- Testing the role of ancient and contemporary landscapes on structuring genetic variation in a specialist grasshopper.Ecology and evolution · 2017Article
- Hierarchical genetic structure shaped by topography in a narrow-endemic montane grasshopper.BMC evolutionary biology · 2016Article
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4 authors.
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Abstract
Anthropogenic habitat fragmentation has altered the distribution and population sizes in many organisms worldwide. For this reason, understanding the demographic and genetic consequences of this process is necessary to predict the fate of populations and establish management practices aimed to ensure their viability. In this study, we analyse whether the spatial configuration of remnant semi-natural habitat patches within a chronically fragmented landscape has shaped the patterns of genetic diversity and structure in the habitat-specialist esparto grasshopper (Ramburiella hispanica). In particular, we predict that agricultural lands constitute barriers to gene flow and hypothesize that fragmentation has restricted interpopulation dispersal and reduced local levels of genetic diversity. Our results confirmed the expectation that isolation and habitat fragmentation have reduced the genetic diversity of local populations. Landscape genetic analyses based on circuit theory showed that agricultural land offers ∽1000 times more resistance to gene flow than semi-natural habitats, indicating that patterns of dispersal are constrained by the spatial configuration of remnant patches of suitable habitat. Overall, this study shows that semi-natural habitat patches act as corridors for interpopulation gene flow and should be preserved due to the disproportionately large ecological function that they provide considering their insignificant area within these human-modified landscapes.
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