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Articles de revues sur le sujet « Italian central Alps »

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Auteur : Grafiati
Publié le 10 mars 2023

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1

ISAIA, MARCO, et PAOLO PANTINI. « New data on the spider genus Troglohyphantes (Araneae, Linyphiidae) in the Italian Alps, with the description of a new species and a new synonymy ». Zootaxa 2690, no 1 (29 novembre 2010) : 1. http://dx.doi.org/10.11646/zootaxa.2690.1.1.

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In this paper we describe Troglohyphantes lanai n. sp. from Pennine Alps and the unknown female of T. bonzanoi, from Ligurian Alps. Based on the collection of new material and on the examination of the paratypes, T. delmastroi Pesarini, 2001 is proposed as junior synonym of T. iulianae Brignoli, 1971 (new synonymy). We also provide new faunistic and ecological data on the Italian species of Troglohyphantes, focusing mainly on Central Italian Alps. Phenetic species groups previously proposed in literature for the Italian species have been updated in view of recent literature and new findings. Pesarini’s complexes of species are used to map the species distribution in the Italian Alps.
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2

Guglielmin, Mauro, Stefano Ponti, Emanuele Forte et Nicoletta Cannone. « Recent thermokarst evolution in the Italian Central Alps ». Permafrost and Periglacial Processes 32, no 2 (27 janvier 2021) : 299–317. http://dx.doi.org/10.1002/ppp.2099.

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Parolini, Marco, Beatrice De Felice, Chiara Lamonica, Sara Cioccarelli, Arianna Crosta, Guglielmina Diolaiuti, Marco Aldo Ortenzi et Roberto Ambrosini. « Macroplastics contamination on glaciers from Italian Central-Western Alps ». Environmental Advances 5 (octobre 2021) : 100084. http://dx.doi.org/10.1016/j.envadv.2021.100084.

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4

Pelfini, Manuela, et Claudio Smiraglia. « Signals of 20th-century warming from the glaciers in the Central Italian Alps ». Annals of Glaciology 24 (1997) : 350–54. http://dx.doi.org/10.3189/s026030550001243x.

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The Lombard Alps in the central sector of the Italian Alps are one of the most intensively glacierized regions on the southern side of the chain (about 113 km2 of ice cover). All of the glaciers have been retreating since the beginning of the 20th century, but the trend is not uniform. Since the 1950s there has been a drop in the percentage of retreating snouts and an increase in stationary and advancing snouts. After 1985 the glaciers in the Lombard Alps began a new recession phase that is still going on. This pattern is consistent with temperature variations in Lombardy in the 20th century. According to data from Sondrio station, four alternating warming and cooling phases ran be distinguished in 20th-century warming. The Lombard glaciers well recorded the last three phases, showing evident signs of the 1955–88 cold phase, with a response time of about 20 years, and may be considered good indicators of 20th-century temperature trends.
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Pelfini, Manuela, et Claudio Smiraglia. « Signals of 20th-century warming from the glaciers in the Central Italian Alps ». Annals of Glaciology 24 (1997) : 350–54. http://dx.doi.org/10.1017/s026030550001243x.

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The Lombard Alps in the central sector of the Italian Alps are one of the most intensively glacierized regions on the southern side of the chain (about 113 km2 of ice cover). All of the glaciers have been retreating since the beginning of the 20th century, but the trend is not uniform. Since the 1950s there has been a drop in the percentage of retreating snouts and an increase in stationary and advancing snouts. After 1985 the glaciers in the Lombard Alps began a new recession phase that is still going on. This pattern is consistent with temperature variations in Lombardy in the 20th century. According to data from Sondrio station, four alternating warming and cooling phases ran be distinguished in 20th-century warming. The Lombard glaciers well recorded the last three phases, showing evident signs of the 1955–88 cold phase, with a response time of about 20 years, and may be considered good indicators of 20th-century temperature trends.
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6

Volpi, Giorgio, Federico Riva, Fredy Alexander Peña Reyes, Stefano Basiricò et Daniele Penna. « Geochemical characterization of the Bormio hydrothermal system (central Italian Alps) ». Rendiconti Online della Società Geologica Italiana 41 (novembre 2016) : 99–102. http://dx.doi.org/10.3301/rol.2016.103.

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7

Pelfini, Manuela. « Dendrogeomorphological study of glacier fluctuations in the Italian Alps during the Little Ice Age ». Annals of Glaciology 28 (1999) : 123–28. http://dx.doi.org/10.3189/172756499781821634.

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AbstractIn the Italian Alps, the maximum advance of the Holocene usually coincided with the Little Ice Age (LIA), which reached a climax for most glaciers during the first two decades of the 19th century. Moraines deposited during the peak of the LIA usually obliterated glacial deposits from previous advances. Using dendrogeomorphology, it is possible to date glacier advances before the LIA peak. In the central Italian Alps, it was possible to pinpoint an advance of Ghiacciaio del Madaccio, which took place in the first two decades of the 17th century. With dendrogeomorphology, it is also possible to reconstruct in detail the behaviour of glaciers during the Little Ice Age climax. Trees growing on the margin of glacier tongues may have suffered damage, recognizable by the presence of wood scars and the formation of particularly thin rings; their dating allows both ice advances and retreats to be dated. This is the case for Ghiacciaio Grande di Verra in the western Italian Alps; owing to the rapid decrease of the tree ring widths, it is possible to recognize climate changes responsible for both lower wood production and, sometimes, subsequent glacier advances, although the latter take place with a certain delay. For Ghiacciaio del Lys in the western Italian Alps, a response time of five years was determined.
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8

Balistrocchi, Matteo, Massimo Tomirotti, Alessandro Muraca et Roberto Ranzi. « Hydroclimatic Variability and Land Cover Transformations in the Central Italian Alps ». Water 13, no 7 (31 mars 2021) : 963. http://dx.doi.org/10.3390/w13070963.

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Extreme streamflow nonstationarity has probably attracted more attention than mean streamflow nonstationarity in the assessment of the impacts of climate change on the water cycle. Nonetheless, a significant decrease in mean streamflow could lead to conditions of scarcity of freshwater in the long-term period, seriously compromising the sustainability of the demand for civil, agricultural, and industrial uses. Regional analyses are useful to better characterize an area’s nonstationarity, since a clear trend at a global scale has not been detected yet. In this article, long-term and high-quality series of streamflow discharges observed in five rivers in the Central Italian Alps, including two multicentury series and two new precipitation and streamflow series not analyzed before, are investigated to statistically characterize individual trends of mean annual runoff volumes. Nonparametric pooled statistics are also introduced to assess the regional trend. Additional climatic and nonclimatic factors, namely, precipitation trends and land cover transformations, have also been considered as potential change drivers. Unlike precipitation, runoff volumes show a marked and statistically significant decrease of −1.45 mm/year, which appears to be homogeneous in the region. The land cover transformation analysis presented here revealed extensive woodland expansions of 510 km2 in 2018 out of the 2650 km2 area measured in 1954, representing 38% of the area investigated in this study: this anthropic driver of enhanced hydrologic losses can be recognized as an additional likely cause for the regional runoff volume decrease.
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9

Ambrosi, C., et G. B. Crosta. « Large sackung along major tectonic features in the Central Italian Alps ». Engineering Geology 83, no 1-3 (février 2006) : 183–200. http://dx.doi.org/10.1016/j.enggeo.2005.06.031.

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10

Guglielmin, M., N. Cannone et F. Dramis. « Permafrost-glacial evolution during the Holocene in the Italian Central Alps ». Permafrost and Periglacial Processes 12, no 1 (2001) : 111–24. http://dx.doi.org/10.1002/ppp.379.

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11

Dominiak, Patrycja, Shahin Navai, Robert Sawicki et Ryszard Szadziewski. « Forcipomyia altaica Remm, 1972, a boreo-montane biting midge in the Western Palaearctic (Diptera : Ceratopogonidae) ». Polish Journal of Entomology 84, no 4 (1 décembre 2015) : 249–57. http://dx.doi.org/10.1515/pjen-2015-0021.

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Abstract Forcipomyia altaica, a boreo-montane species known previously only from the Altai Mts (Russian Central Asia), Czech Republic and Germany, is reported from the Italian Alps and Poland for the first time. Illustrated descriptions of both sexes are provided.
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12

Coppola, A., G. Leonelli, M. C. Salvatore, M. Pelfini et C. Baroni. « Tree-ring–based summer mean temperature variations in the Adamello–Presanella Group (Italian Central Alps), 1610–2008 AD ». Climate of the Past 9, no 1 (28 janvier 2013) : 211–21. http://dx.doi.org/10.5194/cp-9-211-2013.

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Abstract. Climate records from remote mountain sites and for century-long periods are usually lacking for most continents and also for the European Alps. However, detailed reconstructions of climate parameters for pre-instrumental periods in mountain areas, suffering of glacial retreat caused by recent global warming, are needed in the view of a better comprehension of the environmental dynamics. We present here the first annually-resolved reconstruction of summer (JJA) mean temperature for the Adamello–Presanella Group (Central European Alps), one of the most glaciated mountain groups of the Italian Central Alps. The reconstruction has been based on four larch tree-ring width chronologies derived from living trees sampled in four valleys surrounding the Group. The reconstruction spans from 1610 to 2008 and the statistical verification of the reconstruction demonstrates the positive skill of the tree-ring dataset in tracking summer temperature variability also in the recent period.
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13

Garbarino, Matteo, Emanuele Lingua, Thomas Andrew Nagel, Danilo Godone et Renzo Motta. « Patterns of larch establishment following deglaciation of Ventina glacier, central Italian Alps ». Forest Ecology and Management 259, no 3 (janvier 2010) : 583–90. http://dx.doi.org/10.1016/j.foreco.2009.11.016.

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14

Sosio, Rosanna, Giovanni B. Crosta et Oldrich Hungr. « Complete dynamic modeling calibration for the Thurwieser rock avalanche (Italian Central Alps) ». Engineering Geology 100, no 1-2 (juin 2008) : 11–26. http://dx.doi.org/10.1016/j.enggeo.2008.02.012.

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15

Bocchiola, Daniele, et Renzo Rosso. « The distribution of daily snow water equivalent in the central Italian Alps ». Advances in Water Resources 30, no 1 (janvier 2007) : 135–47. http://dx.doi.org/10.1016/j.advwatres.2006.03.002.

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16

Hausmann, Axel, Peter Huemer, Kyung Min Lee et Marko Mutanen. « DNA barcoding and genomics reveal Perizoma barrassoi Zahm, Cieslak & ; Hausmann, 2006 as new for the fauna of Central Europe (Lepidoptera, Geometridae, Larentiinae) ». Nota Lepidopterologica 44 (16 février 2021) : 17–28. http://dx.doi.org/10.3897/nl.44.58871.

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Perizoma barrassoi Zahm, Cieslak & Hausmann, 2006, previously considered a central Italian endemic, shows a much wider distribution with additional records from the Alps and the Pyrenees, in partial sympatry with its sister species, Perizoma incultaria (Herrich-Schäffer, 1848) which is widespread in the Alps, Pyrenees, Carpathians and Dinaric mountains. The disruptive genetic patterns of both species involve the COI barcode gene as well as nuclear genomic data and are confirmed by correlated differential features in male and female genitalia. To fix nomenclatural stability a neotype is designated for P. incultaria.
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17

Scotti, R., F. Brardinoni et G. B. Crosta. « Post-LIA glacier changes along a latitudinal transect in the Central Italian Alps ». Cryosphere 8, no 6 (2 décembre 2014) : 2235–52. http://dx.doi.org/10.5194/tc-8-2235-2014.

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Abstract. The variability of glacier response to atmospheric temperature rise in different topo-climatic settings is still a matter of debate. To address this question in the Central Italian Alps, we compile a post-LIA (Little Ice Age) multitemporal glacier inventory (1860–1954–1990–2003–2007) along a latitudinal transect that originates north of the continental divide in the Livigno Mountains and extends south through the Disgrazia and Orobie ranges, encompassing continental-to-maritime climatic settings. In these sub-regions, we examine the area change of 111 glaciers. Overall, the total glacierized area has declined from 34.1 to 10.1 km2, with a substantial increase in the number of small glaciers due to fragmentation. The average annual decrease (AAD) in glacier area has risen by about 1 order of magnitude from 1860–1990 (Livigno: 0.45; Orobie: 0.42; and Disgrazia: 0.39 % a−1) to 1990–2007 (Livigno: 3.08; Orobie: 2.44; and Disgrazia: 2.27 % a−1). This ranking changes when considering glaciers smaller than 0.5 km2 only (i.e., we remove the confounding caused by large glaciers in Disgrazia), so that post-1990 AAD follows the latitudinal gradient and Orobie glaciers stand out (Livigno: 4.07; Disgrazia: 3.57; and Orobie: 2.47 % a−1). More recent (2007–2013) field-based mass balances in three selected small glaciers confirm post-1990 trends showing the consistently highest retreat in continental Livigno and minimal area loss in maritime Orobie, with Disgrazia displaying transitional behavior. We argue that the recent resilience of glaciers in Orobie is a consequence of their decoupling from synoptic atmospheric temperature trends, a decoupling that arises from the combination of local topographic configuration (i.e., deep, north-facing cirques) and high winter precipitation, which ensures high snow-avalanche supply, as well as high summer shading and sheltering. Our hypothesis is further supported by the lack of correlations between glacier change and glacier attributes in Orobie, as well as by the higher variability in ELA,sub>0 positioning, post-LIA glacier change, and interannual mass balances, as we move southward along the transect.
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Scotti, R., F. Brardinoni et G. B. Crosta. « Post-LIA glacier changes along a latitudinal transect in the Central Italian Alps ». Cryosphere Discussions 8, no 4 (22 juillet 2014) : 4075–126. http://dx.doi.org/10.5194/tcd-8-4075-2014.

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Abstract. The variability of glacier response to atmospheric temperature rise in different topo-climatic settings is still matter of debate. To address this question in the Central Italian Alps we compile a post-LIA (Little Ice Age) multitemporal glacier inventory (1860-1954-1990-2003-2007) along a latitudinal transect that originates north of the continental divide in the Livigno mountains, and extends south through the Disgrazia and Orobie ranges, encompassing continental-to-maritime climatic settings. In these sub-regions we examine area change of 111 glaciers. Overall, total glacierized area has declined from 34.1 to 10.1 km2, with a substantial increase in the number of small glaciers due to fragmentation. Average annual decrease (AAD) in glacier area has risen of about an order of magnitude from 1860–1990 (Livigno: 0.45; Orobie: 0.42; and Disgrazia: 0.39 % a−1) to 1990–2007 (Livigno: 3.08; Orobie: 2.44; and Disgrazia: 2.27 % a−1). This ranking changes when considering glaciers <0.5 km2 only (i.e., we remove the confounding caused by large glaciers in Disgrazia), so that post-1990 AAD follows the latitudinal gradient and Orobie glaciers stand out (Livigno: 4.07; Disgrazia: 3.57; and Orobie: 2.47 % a−1). More recent (2007–2013) field-based mass balances in three selected small glaciers confirm post-1990 trends showing consistent highest retreat in continental Livigno and minimal area loss in maritime Orobie, with Disgrazia displaying a transitional behaviour. We argue that the recent resilience of glaciers in Orobie is a consequence of their decoupling from synoptic atmospheric temperature trends. A decoupling that arises from the combination of local topographic configuration (i.e., deep, north-facing cirques) and high winter precipitation, which ensures high snow-avalanche supply, as well as high summer shading and sheltering. Our hypothesis is further supported by the lack of correlations between glacier change and glacier attributes in Orobie, as well by the higher variability in ELA0 positioning, post-LIA glacier change, and inter-annual mass balances, as we move southward along the transect.
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Gaffuri, Alessandra, Marco Giacometti, Vito Massimo Tranquillo, Simone Magnino, Paolo Cordioli et Paolo Lanfranchi. « Serosurvey of Roe Deer, Chamois and Domestic Sheep in the Central Italian Alps ». Journal of Wildlife Diseases 42, no 3 (juillet 2006) : 685–90. http://dx.doi.org/10.7589/0090-3558-42.3.685.

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Bocchiola, Daniele, Michele Medagliani et Renzo Rosso. « Regional snow depth frequency curves for avalanche hazard mapping in central Italian Alps ». Cold Regions Science and Technology 46, no 3 (décembre 2006) : 204–21. http://dx.doi.org/10.1016/j.coldregions.2006.07.004.

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Azzoni, Roberto Sergio, Davide Fugazza, Marta Zennaro, Michele Zucali, Carlo D’Agata, Davide Maragno, Massimo Cernuschi, Claudio Smiraglia et Guglielmina Adele Diolaiuti. « Recent structural evolution of Forni Glacier tongue (Ortles-Cevedale Group, Central Italian Alps) ». Journal of Maps 13, no 2 (8 novembre 2017) : 870–78. http://dx.doi.org/10.1080/17445647.2017.1394227.

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Scotti, Riccardo, Giovanni Battista Crosta et Alberto Villa. « Destabilisation of Creeping Permafrost : The Plator Rock Glacier Case Study (Central Italian Alps) ». Permafrost and Periglacial Processes 28, no 1 (28 octobre 2016) : 224–36. http://dx.doi.org/10.1002/ppp.1917.

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Tasinazzo, Stefano. « Post-harvesting late summer-autumn weed vegetation in small size arable fields in Veneto : new insights into root crop communities in North East Italy ». Hacquetia 22, no 1 (7 février 2023) : 47–80. http://dx.doi.org/10.2478/hacq-2022-0009.

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Abstract A research was conducted in the Veneto region (NE-Italy) inside kitchen gardens and potato fields of outer pre-Alps, and in asparagus fields on the low Po plain near the Adriatic coast, in late summer-autumn after harvesting. Original vegetation-plot records were compared with historic and recent materials from Italy, especially N-Italy, and with comparable associations from Central and South-Eastern Europe, to ensure a consistent syntaxonomical frame of this highly dynamic vegetation. At the same time it was possible to shed light on the actual occurrence of past coenoses, cited by Italian authors for the Po plain. The analysis not only confirmed the occurrence of Echinochloo-Setarietum pumilae in north-eastern Italian territories, but also showed that it was more extensive than previously thought. It also confirmed the persistence of Panico-Polygonetum persicariae. The historical presence of Veronico-Lamietum hybridi occurring in pre-Alps and Dolomites needs confirmation. Further regional-scale investigations of summer crop weed vegetation appear necessary.
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Nascetti, Giuseppe, Benedetto Lanza et Luciano Bullini. « Genetic data support the specific status of the Italian treefrog (Amphibia : Anura : Hylidae) ». Amphibia-Reptilia 16, no 3 (1995) : 215–27. http://dx.doi.org/10.1163/156853895x00019.

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AbstractGenetic variation at 28 protein loci was analyzed electrophoretically in populations of the Central European treefrog, Hyla arborea arborea, from Italy, Switzerland, Germany and the Balkans. Two distinct population groups were detected, differing at 9 more or less diagnostic loci, one ranging from Sicily to peninsular Italy, northwards to the Italian slope of the Alps (Italian treefrog), the second parapatrically distributed with respect to the first, north of the Alps, east of the Isonzo river, and southwards to the Balkans (H. arborea arborea s.s.). In the area of close contiguity between the two population groups (approximately coinciding with the border between Italy and Slovenia), neither mixed populations nor hybrid individuals were found. However, a number of specimens with introgressed genotypes were detected in both forms in the contact area and its surroundings, possibly as the result of past hybridization events. The lack of present gene exchange in the contact area indicates that the Italian treefrog and H. arborea arborea (s.s.) are distinct biological species. Average Nei's genetic distance between the Italian treefrog and H. arborea arborea (s.s.) is 0.47, corresponding to an estimated time for evolutionary divergence of about 2-3 million years. The Italian treefrog and H. arborea arborea (s.s.) were found to be morphologically very similar, with a single significant difference (tympanum size) among the considered characters; this is larger in the Italian treefrog. The name Hyla italica nomen novum is proposed for the Italian treefrog, as the name Hylaria variegata assigned by Rafinesque (1814) to treefrog specimens from Sicily is unavailable.
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Scotti, Riccardo, Francesco Brardinoni, Stefano Alberti, Paolo Frattini et Giovanni B. Crosta. « A regional inventory of rock glaciers and protalus ramparts in the central Italian Alps ». Geomorphology 186 (mars 2013) : 136–49. http://dx.doi.org/10.1016/j.geomorph.2012.12.028.

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Calderoni, Gilberto, Mauro Guglielmin et Claudio Tellini. « Radiocarbon dating and postglacial evolution, upper Valtellina and Livignese area (Sondrio, Central Italian Alps) ». Permafrost and Periglacial Processes 9, no 3 (juillet 1998) : 275–84. http://dx.doi.org/10.1002/(sici)1099-1530(199807/09)9:3<275 ::aid-ppp288>3.0.co;2-u.

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Guglielmin, Mauro, Marco Donatelli, Matteo Semplice et Stefano Serra Capizzano. « Ground surface temperature reconstruction for the last 500 years obtained from permafrost temperatures observed in the SHARE STELVIO Borehole, Italian Alps ». Climate of the Past 14, no 6 (6 juin 2018) : 709–24. http://dx.doi.org/10.5194/cp-14-709-2018.

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Abstract. Here we present the results of the inversion of a multi-annual temperature profile (2013, 2014, 2015) of the deepest borehole (235 m) in the mountain permafrost of the world located close to Stelvio Pass in the Central Italian Alps. The SHARE STELVIO Borehole (SSB) has been monitored since 2010 with 13 thermistors placed at different depths between 20 and 235 m. The negligible porosity of the rock (dolostone, < 5 %) allows us to assume the latent heat effects are also negligible. The inversion model proposed here is based on the Tikhonov regularization applied to a discretized heat equation, accompanied by a novel regularizing penalty operator. The general pattern of ground surface temperatures (GSTs) reconstructed from SSB for the last 500 years is similar to the mean annual air temperature (MAAT) reconstructions for the European Alps. The main difference with respect to MAAT reconstructions relates to post Little Ice Age (LIA) events. Between 1940 and 1989, SSB data indicate a cooling of ca. 1 °C. Subsequently, a rapid and abrupt GST warming (more than 0.8 °C per decade) was recorded between 1990 and 2011. This warming is of the same magnitude as the increase in MAAT between 1990 and 2000 recorded in central Europe and roughly doubling the increase in MAAT in the Alps.
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Coppola, Anna, Giovanni Leonelli, Maria Cristina Salvatore, Manuela Pelfini et Carlo Baroni. « Weakening climatic signal since mid-20th century in European larch tree-ring chronologies at different altitudes from the Adamello-Presanella Massif (Italian Alps) ». Quaternary Research 77, no 3 (mai 2012) : 344–54. http://dx.doi.org/10.1016/j.yqres.2012.01.004.

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Tree rings from temperature-limited environments are highly sensitive climate proxies, widely used to reconstruct past climate parameters for periods prior to the availability of instrumental data and to analyse the effect of recent global warming on tree growth. An analysis of the climatic signal in five high-elevation tree-ring width chronologies of European larch (Larix decidua Mill.) from the tops of five different glacial valleys in the Italian Central Alps revealed that they contain a strong summer-temperature signal and that tree-ring growth is especially influenced by June temperatures. However, a moving correlation function analysis revealed a recent loss of the June temperature signal in the tree-ring chronologies. This signal reduction primarily involves the two lowest-altitude chronologies. It is probable that the observed increasing importance of late-summer temperature for tree-ring growth over the past 50 yr is an effect of the lengthening growing season and of the variations in the climate/tree-ring relationship over time. All the chronologies considered, especially those at the highest altitudes, show an increasing negative influence of June precipitation on tree-ring growth. The climatic signal recorded in tree-ring chronologies from the Italian Central Alps varies over time and is also differentially influenced by climatic parameters according to site elevation.
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NASCIMBENE, Juri, Stefano MARTELLOS et Pier Luigi NIMIS. « Epiphytic lichens of tree-line forests in the Central-Eastern Italian Alps and their importance for conservation ». Lichenologist 38, no 4 (juillet 2006) : 373–82. http://dx.doi.org/10.1017/s0024282906006220.

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135 infrageneric taxa of epiphytic lichen were found in 20 stands of tree-line forests of the Central-Eastern Italian Alps. Three forest types were considered: (1) late successional stands with several large trees, (2) pioneer stands on abandoned pastures without large trees, and (3) open and grazed stands. They were compared on the basis of four main criteria: (1) species richness, (2) number of rare species, (3) number of species that are exclusive to the subalpine belt in Italy, and (4) number of species that are exclusive to the Alps in Italy. Species richness is higher in the late successional stands, which also host a higher share of rare and exclusive species. The total number of rare species per site is correlated with the total number of species, as well as with the number of common species, and with the total number of macrolichens. Rare macrolichens are correlated with common macrolichens. Two main groups of target species with decreasing conservation priority are identified. Letharia vulpina is suggested as signal species for sites worthy of conservation. The guild of macrolichens may be used as an indicator of both species richness and of the occurrence of rare species.
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Balestrini, R., C. Arese, M. Freppaz et A. Buffagni. « Catchment features controlling nitrogen dynamics in running waters above the tree line (central Italian Alps) ». Hydrology and Earth System Sciences 17, no 3 (7 mars 2013) : 989–1001. http://dx.doi.org/10.5194/hess-17-989-2013.

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Abstract. The study of nitrogen cycling in mountain areas has a long tradition, as it was applied to better understand and describe ecosystem functioning, as well as to quantify long-distance effects of human activities on remote environments. Nonetheless, very few studies, especially in Europe, have considered catchment features controlling nitrogen dynamics above the tree line with focus on running waters. In this study, relationships between some water chemistry descriptors – including nitrogen species and dissolved organic carbon (DOC) – and catchment characteristics were evaluated for a range of sites located above the tree line (1950–2650 m a.s.l.) at Val Masino, in the central Italian Alps. Land cover categories as well as elevation and slope were assessed at each site. Water samples were collected during the 2007 and 2008 snow free periods, with a nearly monthly frequency. In contrast to dissolved organic nitrogen, nitrate concentrations in running waters showed a spatial pattern strictly connected to the fractional extension of tundra and talus in each basin. Exponential models significantly described the relationships between maximum NO3 and the fraction of vegetated soil cover (negative relation) and talus (positive relation), explaining almost 90% of nitrate variation in running waters. Similarly to nitrate but with an opposite behavior, DOC was positively correlated with vegetated soil cover and negatively correlated with talus. Therefore, land cover can be considered one of the most important factors affecting water quality in high-elevation catchments with contrasting effects on N and C pools.
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Balestrini, R., C. Arese, M. Freppaz et A. Buffagni. « Catchment features controlling nitrogen dynamics in running waters above the tree line (Central Italian Alps) ». Hydrology and Earth System Sciences Discussions 9, no 9 (18 septembre 2012) : 10447–85. http://dx.doi.org/10.5194/hessd-9-10447-2012.

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Abstract. The study of nitrogen cycling in mountain areas has a long tradition, both to better understand and describe ecosystem functioning and to quantify the long-distance effect of human activities on remote environments. Nonetheless, especially in Europe, very few studies paid attention on catchment features controlling nitrogen dynamics above the tree line, with focus on running waters. In this study, relationships between some water chemistry descriptors, including nitrogen species and dissolved organic carbon (DOC), and catchment characteristics were evaluated for a range of sites located above the tree line (1950–2650 m a.s.l.) at Val Masino, in the Central Italian Alps. Land cover categories as well as elevation and slope were assessed at each site. Water samples were collected during the 2007 and 2008 snow free periods, with a nearly monthly frequency. Differently to dissolved organic nitrogen, nitrate concentration in running waters showed a spatial pattern strictly connected to the fractional extension of tundra and talus in each basin. Exponential models significantly described the relationships between maximum NO3-N and the fraction of vegetated soil cover (negative relation) and talus (positive relation), explaining almost 90% of nitrate variation in running waters. Similarly to nitrate, but with an opposite behavior, DOC was positively correlated with vegetated soil cover and negatively correlated with talus. Therefore, land cover can be considered one of the most important factors affecting water quality in high elevation catchments, with a contrasting effect on N and C pools.
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Lencioni, V., B. Maiolini et B. Rossaro. « The kryal and rhithral chironomid community in the Carè Alto system (Italian Central-Eastern Alps) ». SIL Proceedings, 1922-2010 27, no 2 (octobre 2000) : 711–15. http://dx.doi.org/10.1080/03680770.1998.11901326.

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Scotti, Riccardo, et Francesco Brardinoni. « Evaluating millennial to contemporary time scales of glacier change in Val Viola, Central Italian Alps ». Geografiska Annaler : Series A, Physical Geography 100, no 4 (2 juillet 2018) : 319–39. http://dx.doi.org/10.1080/04353676.2018.1491312.

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Savi, S., K. Norton, V. Picotti, F. Brardinoni, N. Akçar, P. W. Kubik, R. Delunel et F. Schlunegger. « Effects of sediment mixing on 10Be concentrations in the Zielbach catchment, central-eastern Italian Alps ». Quaternary Geochronology 19 (février 2014) : 148–62. http://dx.doi.org/10.1016/j.quageo.2013.01.006.

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Scotti, Riccardo, Francesco Brardinoni, Giovanni Battista Crosta, Giuseppe Cola et Volkmar Mair. « Time constraints for post-LGM landscape response to deglaciation in Val Viola, Central Italian Alps ». Quaternary Science Reviews 177 (décembre 2017) : 10–33. http://dx.doi.org/10.1016/j.quascirev.2017.10.011.

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Fugazza, Davide, Antonella Senese, Roberto Sergio Azzoni, Maurizio Maugeri et Guglielmina Adele Diolaiuti. « Spatial distribution of surface albedo at the Forni Glacier (Stelvio National Park, Central Italian Alps) ». Cold Regions Science and Technology 125 (mai 2016) : 128–37. http://dx.doi.org/10.1016/j.coldregions.2016.02.006.

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Zerboni, Andrea, Guido S. Mariani, Lanfredo Castelletti, Elena S. Ferrari, Marco Tremari, Franz Livio et Rivka Amit. « Was the Little Ice Age the coolest Holocene climatic period in the Italian central Alps ? » Progress in Physical Geography : Earth and Environment 44, no 4 (7 novembre 2019) : 495–513. http://dx.doi.org/10.1177/0309133319881105.

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The Estimation of the relative intensity of different cold periods occurring during the Late Quaternary is a difficult task, particularly in non-glaciated mountain landscapes and where high- to medium-resolution archives for proxy data are lacking. In this paper, we study a Holocene polycyclic soil sequence in the central Alps (Val Cavargna, Northern Italy) to estimate climatic parameters (specifically Temperature) changes in non-glaciated, high altitude environments. We investigate this key site through palaeopedological and micromorphological analyses in order to understand phases of soil development and detect hidden evidence of cold conditions during its formation. Three phases of pedogenesis can be recognized and attributed in time to different periods during the Holocene. Pedogenetic phases were separated by two truncation and deposition episodes related to the reactivation of slope processes under cold conditions at the onset of the Neoglacial and the Iron Age Cold Epoch, respectively. Micromorphological evidence of frost action in the soil can instead relate to pedogenetic processes acting in the Little Ice Age. The different expression of these three cold periods corresponds to changes in climatic conditions, pointing to the Little Ice Age as a cooler/drier period in comparison to the preceding ones.
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Pelfini, Manuela, et Maurizio Santilli. « Dendrogeomorphological analyses on exposed roots along two mountain hiking trails in the central italian alps ». Geografiska Annaler : Series A, Physical Geography 88, no 3 (octobre 2006) : 223–36. http://dx.doi.org/10.1111/j.1468-0459.2006.00297.x.

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Galluzzi, Marta, Marco Armanini, Giulia Ferrari, Filippo Zibordi, Susanna Nocentini et Andrea Mustoni. « Habitat Suitability Models, for ecological study of the alpine marmot in the central Italian Alps ». Ecological Informatics 37 (janvier 2017) : 10–17. http://dx.doi.org/10.1016/j.ecoinf.2016.11.010.

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Fattorini, Simone. « Biogeographical Patterns of Earwigs in Italy ». Insects 14, no 3 (26 février 2023) : 235. http://dx.doi.org/10.3390/insects14030235.

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Placed in the center of the Mediterranean biodiversity hotspot, Italy plays a central role for the study of Europe’s biogeography. In this paper, the influence of climatic, spatial, and historical factors on current patterns of variation in earwig species richness and composition is investigated. The Italian earwig fauna is mainly composed of species which are either widely distributed in Europe and the Palearctic region or that are endemic to the Alps and the Apennines. Variation in species richness does not follow any obvious geographical patterns, but a positive influence of precipitation on richness is consistent with earwig preferences for humid climates. European mainland territories did not contribute substantially to the current biodiversity of Italian earwigs, which explains the lack of a distinct peninsula effect, although a southward decrease in similarity with the central European fauna was observed. However, southern areas did not exert a pivotal role during Pleistocene glaciations in determining current patterns of species richness. Variation in species composition among Italian regions can be mostly explained by geographical proximity, while climatic differences and historical (paleogeographical and paleoecological) events seem to have played a minor role. However, the isolation of ancient earwig stocks on Italian mountains led to the origin of a relatively large number of endemics, which makes the Italian earwig fauna one of the richest in Europe.
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Nikolopoulos, E. I., M. Borga, F. Marra, S. Crema et L. Marchi. « Debris flows in the Eastern Italian Alps : seasonality and atmospheric circulation patterns ». Natural Hazards and Earth System Sciences Discussions 2, no 12 (1 décembre 2014) : 7197–224. http://dx.doi.org/10.5194/nhessd-2-7197-2014.

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Abstract. The work examines the seasonality and large-scale atmospheric circulation patterns of debris flows in the Trentino-Alto Adige region (Eastern Italian Alps). Analysis is based on classification algorithms applied on a uniquely dense archive of debris flows and hourly rain gauge precipitation series covering the period 2000–2009. Results highlight the seasonal and synoptic forcing patterns linked to debris flows in the study area. Summer and fall season account for 92% of the debris flows in the record, while atmospheric circulation characterized by Zonal West, Mixed and Meridional South, Southeast patterns account for 80%. Both seasonal and circulation patterns exhibit geographical preference. In the case of seasonality, there is a strong north–south separation of summer–fall dominance while spatial distribution of dominant circulation patterns exhibits clustering, with both Zonal West and Mixed prevailing in the northwest and central east part of the region, while the southern part relates to Meridional South, Southeast pattern. Seasonal and synoptic pattern dependence is pronounced also on the debris flow triggering rainfall properties. Examination of rainfall intensity–duration thresholds derived for different data classes (according to season and synoptic pattern) revealed a distinct variability in estimated thresholds. These findings imply a certain control on debris-flow events and can therefore be used to improve existing alert systems.
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Nikolopoulos, E. I., M. Borga, F. Marra, S. Crema et L. Marchi. « Debris flows in the eastern Italian Alps : seasonality and atmospheric circulation patterns ». Natural Hazards and Earth System Sciences 15, no 3 (27 mars 2015) : 647–56. http://dx.doi.org/10.5194/nhess-15-647-2015.

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Abstract. The work examines the seasonality and large-scale atmospheric circulation patterns associated with debris-flow occurrence in the Trentino–Alto Adige region (eastern Italian Alps). Analysis is based on classification algorithms applied to a uniquely dense archive of debris flows and hourly rain gauge precipitation series covering the period 2000–2009. Results highlight the seasonal and synoptic forcing patterns linked to debris flows in the study area. Summer and fall season account for 92% of the debris flows in the record, while atmospheric circulation characterized by zonal west, mixed and meridional south and southeast (SE–S) patterns account for 80%. Both seasonal and circulation patterns exhibit geographical preference. In the case of seasonality, there is a strong north–south separation of summer–fall dominance, while spatial distribution of dominant circulation patterns exhibits clustering, with both zonal west and mixed patterns prevailing in the northwest and central east part of the region, while the southern part relates to meridional south and southeast pattern. Seasonal and synoptic pattern dependence is pronounced also on the debris-flow-triggering rainfall properties. Examination of rainfall intensity–duration thresholds derived for different data classes (according to season and synoptic pattern) revealed a distinct variability in estimated thresholds. These findings imply a certain control on debris-flow events and can therefore be used to improve existing alert systems.
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43

Berman, David S., et Robert R. Reisz. « Dolabrosaurus aquatilis, a small lepidosauromorph reptile from the Upper Triassic Chinle Formation of north-central New Mexico ». Journal of Paleontology 66, no 6 (novembre 1992) : 1001–9. http://dx.doi.org/10.1017/s0022336000020928.

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Dolabrosaurus aquatilis n. gen. and sp., a small amphibious or aquatic reptile from the Upper Triassic Chinle Formation of north-central New Mexico, is described on the basis of portions of the vertebral column and partial fore- and hindlimbs of a single specimen. Comparison with other Triassic reptiles indicates that D. aquatilis is most closely related to Drepanosaurus unguicaudatus, a small, enigmatic lepidosauromorph from the Upper Triassic Zorzino Formation of the Italian Alps. Both species are assigned to a new family, Drepanosauridae, with Dolabrosaurus recognized as more primitive in some aspects of its vertebral and pedal morphology. The precise assignment of Drepanosauridae within the Lepidosauromorpha remains uncertain.
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Guidali, A., E. Binaghi, V. Pedoia et M. Guglielmin. « Snow cover thickness estimation by using radial basis function networks ». Cryosphere Discussions 6, no 4 (16 juillet 2012) : 2437–75. http://dx.doi.org/10.5194/tcd-6-2437-2012.

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Abstract. This work investigates learning and generalisation capabilities of radial basis function networks (RBFN) used to solve snow cover thickness estimation model as regression and classification. The model is based on a minimal set of climatic and topographic data collected from a limited number of stations located in the Italian Central Alps. Several experiments have been conceived and conducted adopting different evaluation indexes in both regression and classification tasks. The snow cover thickness estimation by RBFN has been proved a valuable tool able to deal with several critical aspects arising from the specific experimental context.
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Cerrato, R., P. Cherubini, U. Büntgen, A. Coppola, MC Salvatore et C. Baroni. « Tree-ring-based reconstruction of larch budmoth outbreaks in the Central Italian Alps since 1774 CE ». iForest - Biogeosciences and Forestry 12, no 3 (30 juin 2019) : 289–96. http://dx.doi.org/10.3832/ifor2533-012.

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Mattiello, Silvana, Walter Redaelli, Miro C. Crimella et Corrado Carenzi. « Dairy Cattle Husbandry and Red Deer Utilization of a Summer Range in the Central Italian Alps ». Mountain Research and Development 23, no 2 (mai 2003) : 161–68. http://dx.doi.org/10.1659/0276-4741(2003)023[0161:dchard]2.0.co;2.

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Stenni, Barbara, Laura Genoni, Onelio Flora et Mauro Guglielmin. « An oxygen isotope record from the Foscagno rock-glacier ice core, Upper Valtellina, Italian Central Alps ». Holocene 17, no 7 (novembre 2007) : 1033–39. http://dx.doi.org/10.1177/0959683607082438.

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LATELLA, LEONARDO, LUCA PEDROTTI et MAURO GOBBI. « Records of Cholevinae (Coleoptera : Leiodidae) sampled by pitfall traps in the Central Italian Alps ». Journal of Insect Biodiversity 13, no 2 (24 décembre 2019) : 36–42. http://dx.doi.org/10.12976/jib/2019.13.2.3.

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In the framework of a long-term project launched by the Stelvio National Park for monitoring the spatio-temporal patterns in plant, arthropod and vertebrate species assemblages, the results on the sampled cholevid species are reported. The abundance of specimens and the distribution of species has been studied in relation to nine environmental variables. Five species of the tribe Cholevini were sampled during this research: Apocatops nigrita, Catops coracinus, Catops fuliginosu, Catops nigricans and Catops tristis. The most abundant and frequent species were Apocatops nigrita and Catops coracinus. The effect of the environmental variables on the distribution of two of the most abundant species (C. coracinus, A. nigrita) was tested and described. Updated information about the distribution and ecology of the five sampled species were provided.
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Pelfini, Manuela, Giovanni Leonelli et Maurizio Santilli. « Climatic and Environmental Influences on Mountain Pine (Pinus Montana Miller) Growth in the Central Italian Alps ». Arctic, Antarctic, and Alpine Research 38, no 4 (novembre 2006) : 614–23. http://dx.doi.org/10.1657/1523-0430(2006)38[614:caeiom]2.0.co;2.

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Gobbi, Mauro, Marco Caccianiga, Chiara Compostella et Marzio Zapparoli. « Centipede assemblages (Chilopoda) in high-altitude landforms of the Central-Eastern Italian Alps : diversity and abundance ». Rendiconti Lincei. Scienze Fisiche e Naturali 31, no 4 (31 août 2020) : 1071–87. http://dx.doi.org/10.1007/s12210-020-00952-4.

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