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5 results for “Iberian lynx”
Data from: Genetics at the verge of extinction: insights from the Iberian lynx
Population viability might become compromised by the loss of genetic diversity and the accumulation of inbreeding resulting from population decline and fragmentation. The Iberian lynx (Lynx pardinus) provides a paradigmatic example of a species at the verge of extinction and, because of the well-documented and different demographic histories of the two remaining populations (Doñana and Andújar), it provides the opportunity to evaluate the performance of analytical methods that are commonly applied to detect genetic signatures of demographic decline. We used mitochondrial sequences and a set of 36 microsatellite markers to evaluate the current genetic status of the species and to assess the genetic signatures of its past history. Mitochondrial diversity was extremely low with only two haplotypes, alternatively fixed in each population. Both remnant populations have low levels of genetic diversity at microsatellite markers, particularly the population from Doñana, which has been isolated and at small census sizes at least since the 1950s, and genetic differentiation between the two populations is high. Bayesian coalescent-based methods suggest an earlier decline starting hundreds of years ago, while heterozygosity-excess and M-ratio tests did not provide conclusive and consistent evidence for recent population size changes. Also, a model of gene-flow received overwhelming support over a model of pure drift. The discrepancies observed between some of our results and the known recent history of the species call for caution in the interpretation of the outcomes of some of these methods, especially when no information on previous demographic history is available. Overall, our results suggest that current genetic patterns in the Iberian lynx are mainly the result of its recent decline and fragmentation and alerts on possible genetic risks for its persistence. Conservation strategies should explicitly consider this threat and incorporate an integrated genetic management of captive, wild and reintroduced populations, including the genetic restoration of wild populations through translocations.
An unusual predator-prey system including Iberian lynx and roe deer
<p><span>The Iberian lynx (<em>Lynx pardinus</em>) is a recently recovering felid native to the Iberian Peninsula. This specialist relies on European wild rabbits (<em>Oryctolagus cuniculus</em>) as its bulk prey. Occasionally however, Iberian lynxes can prey on ungulates. New situations emerge in the context of ongoing Iberian lynx recovery and roe deer (<em>Capreolus capreolus</em>) expansion. The capacity of Iberian lynx to influence roe deer dynamics is unknown. We addressed this gap combining camera trapping, noninvasive genetics, and pathology on a site where a saturated Iberian lynx population coincides with a significant roe deer population. Lynx and roe deer detections were not spatially correlated. By contrast, lynx detections were correlated with rabbit detections. We estimated lynx density and roe deer density at 0.167±0.042 lynx/km<sup>2</sup> (SCR models) and 3.55±2.26 roe deer/km<sup>2</sup> (REM method), respectively. <span> </span>Roe deer fawn recruitment was low as the proportion of fawns per adult female was 23%. We detected roe deer DNA in two of 15 lynx feces. One freshly dead adult female roe deer was found by gamekeepers. Two CTs immediately set up at the presumed kill site and kept activated for eight hours recorded three visits by a collared adult female Iberian lynx. The carcass presented lesions compatible with lynx predation. Thus, we compiled CT-derived, genetic, and pathological evidence confirming that Iberian lynxes prey on roe deer. Iberian lynx predation on roe deer is probably sporadic. However, predation has a significant effect on roe deer dynamics in the study site, impeding normal fawn recruitment and the establishment of a harvestable population. Our findings have implications for hunter attitudes, game management and lynx conservation.</span></p>
Data from: Genetics at the verge of extinction: insights from the Iberian lynx
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On following pages: 22. Canadian Lynx (Lynx canadensis); 23. Eurasian Lynx (Lynx lynx); 24. Iberian Lynx (Lynx pardinus). in Felidae
On following pages: 22. Canadian Lynx (Lynx canadensis); 23. Eurasian Lynx (Lynx lynx); 24. Iberian Lynx (Lynx pardinus).
Data and code for: Insights into the spatial ecology of severely injured free-living felids: Iberian lynx, bobcat, and snow leopard.
<p>Data and code for: Insights into the spatial ecology of severely injured free-living felids: Iberian lynx, bobcat, and snow leopard.</p> <p>To protect the endangered Iberian lynx, data for this species is not provided. Iberian lynx data may be provided upon reasonable request to the authors.</p>
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