Fragmentation and Translocation Distort the Genetic Landscape of Ungulates: Red Deer in the Netherlands

Jong, Joost F. de; Hooft, Pim van; Megens, Hendrik Jan; Crooijmans, R.P.M.A.; Groot, G.A. de; Pemberton, Josephine M.; Huisman, Jisca; Bartoš, Luděk; Iacolina, Laura; Wieren, S.E. van; Ydenberg, Ronald C.; Prins, Herbert H. T.

doi:10.3389/fevo.2020.535715

Cited by 23 publications

(16 citation statements)

References 74 publications

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“…Physical barriers have often been linked with reduced connectivity between populations and/or disruption of historical movement/migration of animals at the local level [ 57 , 65 , 66 ]. Private fenced properties could explain the genetic differentiation between the individuals from Las Plumas and Telsen, which, despite their geographic proximity, showed very little evidence of genetic contact.…”

Section: Discussionmentioning

confidence: 99%

Past and Recent Effects of Livestock Activity on the Genetic Diversity and Population Structure of Native Guanaco Populations of Arid Patagonia

Mesas

Baldi

González

et al. 2021

Animals

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Extensive livestock production and urbanization entail modifications of natural landscapes, including installation of fences, development of agriculture, urbanization of natural areas, and construction of roads and infrastructure that, together, impact native fauna. Here, we evaluate the diversity and genetic structure of endemic guanacos (Lama guanicoe) of the Monte and Patagonian Steppe of central Argentina, which have been reduced and displaced by sheep ranching and other impacts of human activities. Analyses of genetic variation of microsatellite loci and d-loop revealed high levels of genetic variation and latitudinal segregation of mitochondrial haplotypes. There were indications of at least two historical populations in the Monte and the Patagonian Steppe based on shared haplotypes and shared demographic history among localities. Currently, guanacos are structured into three groups that were probably reconnected relatively recently, possibly facilitated by a reduction of sheep and livestock in recent decades and a recovery of the guanaco populations. These results provide evidence of the genetic effects of livestock activity and urbanization on wild herbivore populations, which were possibly exacerbated by an arid environment with limited productive areas. The results highlight the importance of enacting conservation management plans to ensure the persistence of ancestral and ecologically functional populations of guanacos.

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Section: Discussionmentioning

confidence: 99%

Past and Recent Effects of Livestock Activity on the Genetic Diversity and Population Structure of Native Guanaco Populations of Arid Patagonia

Mesas

Baldi

González

et al. 2021

Animals

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“…This can place selection pressures on populations that can cause undesirable life-history changes over shorter time-periods than would be expected from natural selection [36,92]. Secondly, the relatively slow rate of reproduction exhibited by ungulates puts them at risk of overexploitation [93,94]. Extensive shooting and anthropogenic barriers (e.g., roads, buildings, fences etc.)…”

Section: Recommendations For Primary Researchmentioning

confidence: 99%

“…Extensive shooting and anthropogenic barriers (e.g., roads, buildings, fences etc.) can isolate populations, which may increase the rate of inbreeding (i.e., mating among closely related individuals), leading to inbreeding depression [i.e., the decreased fitness of inbred individuals, 93,95]. Finally, shooting can affect the rate of contact between individuals, which may influence the spread of diseases [96,97].…”

Section: Recommendations For Primary Researchmentioning

confidence: 99%

The effects of population management on wild ungulates: A systematic map of evidence for UK species

Barton

Gresham²,

Healey³

et al. 2022

PLoS ONE

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Introduction Over recent decades, the abundance and geographic ranges of wild ungulate species have expanded in many parts of Europe, including the UK. Populations are managed to mitigate their ecological impacts using interventions, such as shooting, fencing and administering contraception. Predicting how target species will respond to interventions is critical for developing sustainable, effective and efficient management strategies. However, the quantity and quality of evidence of the effects of interventions on ungulate species is unclear. To address this, we systematically mapped research on the effects of population management on wild ungulate species resident in the UK. Methods We searched four bibliographic databases, Google Scholar and nine organisational websites using search terms tested with a library of 30 relevant articles. Worldwide published peer-reviewed articles were considered, supplemented by ‘grey’ literature from UK-based sources. Three reviewers identified and screened articles for eligibility at title, abstract and full-text levels, based on predefined criteria. Data and metadata were extracted and summarised in a narrative synthesis supported by structured graphical matrices. Results A total of 123 articles were included in the systematic map. Lethal interventions were better represented (85%, n = 105) than non-lethal interventions (25%, n = 25). Outcomes related to demography and behaviour were reported in 95% of articles (n = 117), whereas effects on health, physiology and morphology were studied in only 11% of articles (n = 14). Well-studied species included wild pigs (n = 58), red deer (n = 28) and roe deer (n = 23). Conclusions Evidence for the effects of population management on wild ungulate species is growing but currently limited and unevenly distributed across intervention types, outcomes and species. Priorities for primary research include: species responses to non-lethal interventions, the side-effects of shooting and studies on sika deer and Chinese muntjac. Shooting is the only intervention for which sufficient evidence exists for systematic review or meta-analysis.

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“…Our preliminary results suggest that these practices could be used to reinforce endangered populations similar to those from the Barcelona Zoo, but genetic monitoring of these introductions to confirm the resulting increase in gene diversity is necessary. On the other hand, human-mediated translocations between areas that are fragmented by natural barriers should be avoided, as they might disrupt local adaptations (De Jong et al 2020). Moreover, because regional differences in endo-parasites have been observed among different hedgehog populations in Denmark, the prevention of spreading infectious diseases is another argument for avoiding human-mediated translocation (Rasmussen et al 2021).…”

Section: Conclusion and Conservation Perspectivesmentioning

confidence: 99%

Genetic diversity and population structure of the Western European hedgehog, Erinaceus europaeus: conservation status of populations in the Iberian Peninsula

Araguas

Vidal

García³

et al. 2022

Mamm Biol

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Anthropogenic habitat fragmentation and roadkill mortality are considered important threats to European hedgehogs. Habitat fragmentation isolates hedgehog populations and, as a consequence, reduces their genetic diversity and leads the populations to vulnerable situations. The hedgehog populations in the Iberian Peninsula represent the southern limit of the species. We used microsatellite markers to estimate the genetic diversity and population structure of Erinaceus europaeus on the Iberian Peninsula. The obtained results indicated the presence of two differentiated groups, north-western and north-eastern, which coincided with the distribution of the two phylogeographic mitochondrial lineages described in the Peninsula. Moreover, in the north-eastern group, three genetically different clusters (Girona, Central Catalonia and Zoo) were identified. The highest genetic diversity (Hs = 0.696) was detected in the north-western region. Significant genetic differentiation (FST range = 0.072–0.224) was found among the clusters, indicating that these groups are well differentiated and present low gene flow. We concluded that the north-western group is genetically stable, whereas in the north-eastern region, despite some contact among groups, some populations are isolated and vulnerable.

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Fragmentation and Translocation Distort the Genetic Landscape of Ungulates: Red Deer in the Netherlands

Cited by 23 publications

References 74 publications

Past and Recent Effects of Livestock Activity on the Genetic Diversity and Population Structure of Native Guanaco Populations of Arid Patagonia

Past and Recent Effects of Livestock Activity on the Genetic Diversity and Population Structure of Native Guanaco Populations of Arid Patagonia

The effects of population management on wild ungulates: A systematic map of evidence for UK species

Genetic diversity and population structure of the Western European hedgehog, Erinaceus europaeus: conservation status of populations in the Iberian Peninsula

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