38 research outputs found
The European transhumance network. The ancestral infrastructuring of the territory for settlement rebalance in post-pandemic society.
The lockdown caused by the Covid-19 outbreak was an involuntary socio-environmental experiment demonstrating that the conditions exist to pursue alternative solutions to our short-sighted economic-productive system.
Long neglected themes have returned to the center of the debate: the potential of inland areas in the policies of redistribution of settlement density; the value, not only cultural, of secondary historical settlements; the enhancement of ecosystem services due to large-area environmental systems; the role of urban spaces and proximity green spaces for the sustainability of dense settlements.
For all these issues, the transhumance system has played a central role over time.
In this new scenario, the article reports on a research effort aimed at defining a territorial model for the European transhumance network.
The territorial system of transhumance, observed according to the taxonomic hierarchy proposed by the research, will be able to constitute a knowledge base for implementing policies for the conservation of customs, traditions, beliefs, food and wine culture, and expression of the pastoral world.
Furthermore, the system may become a coherent framework aimed at assessing the environmental and landscape sustainability of rebalancing settlement transformations in a climate-proof way, with particular reference to the new mobility strategies and new settlement choices that will become appropriate in the post-pandemic era
K0S and Λ production in Pb-Pb collisions at sNN−−−−√=2.76 TeV
The ALICE measurement of K0S and Λ production at midrapidity in Pb-Pb collisions at sNN−−−√=2.76 TeV is presented. The transverse momentum (pT) spectra are shown for several collision centrality intervals and in the pT range from 0.4 GeV/c (0.6 GeV/c for Λ) to 12 GeV/c. The pT dependence of the Λ/K0S ratios exhibits maxima in the vicinity of 3 GeV/c, and the positions of the maxima shift towards higher pT with increasing collision centrality. The magnitude of these maxima increases by almost a factor of three between most peripheral and most central Pb-Pb collisions. This baryon excess at intermediate pT is not observed in pp interactions at s√=0.9 TeV and at s√=7 TeV. Qualitatively, the baryon enhancement in heavy-ion collisions is expected from radial flow. However, the measured pT spectra above 2 GeV/c progressively decouple from hydrodynamical-model calculations. For higher values of pT, models that incorporate the influence of the medium on the fragmentation and hadronization processes describe qualitatively the pT dependence of the Λ/K0S ratio
Reindeer retrieved from melting snow patches reveal information on prehistoric landscape use in Swedish Sápmi
Abstract
In this study we discuss the remains of reindeer skeletal elements found at two different snow patches at Varánjunnje and Gárránistjåhkkå situated in the National Park of Stuor Muorkke in northern Sweden. Unfortunately, glaciers and snow patches are melting; however, this offers a unique opportunity to study the use of mountainous landscape in the past. Here we compare modern, historic and archaeological reindeer to Forest and Mountain Sámi reindeer herding districts. By using radiocarbon dating and osteological and stable isotope analysis (δ13C, δ15N and δ34S) we aim to study reindeer mobility and land use in the past. The results from the morphometric data, stable isotope analysis and radiocarbon dating from prehistoric and historic reindeer (n=40) show that there is very little variation over time in the diet of the reindeer retrieved from the snow patches. We also found that these reindeer must have grazed in different geographic areas. There was no correlation between age, gender, pathological changes and diet, and the castrated reindeer did not differ from other reindeer
Genetic analyses reveal independent domestication origins of Eurasian reindeer
Although there is little doubt that the domestication of mammals was instrumental for the modernization of human societies, even basic features of the path towards domestication remain largely unresolved for many species. Reindeer are considered to be in the early phase of domestication with wild and domestic herds still coexisting widely across Eurasia. This provides a unique model system for understanding how the early domestication process may have taken place. We analysed mitochondrial sequences and nuclear microsatellites in domestic and wild herds throughout Eurasia to address the origin of reindeer herding and domestication history. Our data demonstrate independent origins of domestic reindeer in Russia and Fennoscandia. This implies that the Saami people of Fennoscandia domesticated their own reindeer independently of the indigenous cultures in western Russia. We also found that augmentation of local reindeer herds by crossing with wild animals has been common. However, some wild reindeer populations have not contributed to the domestic gene pool, suggesting variation in domestication potential among populations. These differences may explain why geographically isolated indigenous groups have been able to make the technological shift from mobile hunting to large-scale reindeer pastoralism independently
Mortality risks among heavy-smokers with special reference to women: a long-term follow-up of an urban population
Increased mortality risks associated with smoking are well established among men. There are very few population-based studies comprising a sufficient number of heavily smoking women, measuring the direct effect of smoking on mortality risks. Between 1974 and 1992, 8,499 women and 13,888 men attended a health screening programme including reporting of smoking habits. Individuals were followed for total mortality until 2005. All-cause, cancer, cardiovascular, lung cancer and respiratory mortality were calculated in smoking categories = 20 g per day with never-smokers as a reference group and with adjustments for co-morbidities, socio-economic and marital status. For respiratory mortality and lung cancer adjustments for FEV1, socio-economic and marital status were performed. Smoking was associated with a two to almost threefold increased mortality risk among women and men. The relative risk (RR) with 95% confidence interval, (CI) for women who smoked 10-19 g per day was 2.44 (2.07-2.87), and for those who smoked 20 g per day or more the RR (95% CI) was 2.42 (2.00-2.92). Smoking was a strong risk factor for cardiovascular mortality among women, the RR (95% CI) for women who smoked 10-19 g per day was 4.52 (3.07-6.64). Ex-smoking women showed increased risks of all-cause mortality; RR (95% CI) 1.26 (1.04-1.52) cancer (excluding lung cancer); RR (95% CI) 1.42 (1.07-1.88) and lung cancer RR (95% CI) 2.71 (1.02-7.23) mortality. However, the cardiovascular; RR (95% CI) 1.18 (0.69-2.00) and respiratory; RR (95% CI) 0.79 (0.16-3.84) mortality risks were not statistically significant. This study confirms that as for men, middle-aged heavily smoking women have a two to threefold increased mortality risk. Adjustments for co-morbidity, socio-economic and marital status did not change these results