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Academic literature on the topic 'Volte a crociera'
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Journal articles on the topic "Volte a crociera"
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Veselovský, Tomáš, Kristián Bacsa, and Filip Tulis. "Barn Owl (Tyto alba) Diet Composition on Intensively Used Agricultural Land in the Danube Lowland." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 65, no. 1 (2017): 225–33. http://dx.doi.org/10.11118/actaun201765010225.
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Based on pellets analysis from five localities in south western Slovakia (Malá Mužla, Malé Ripňany, Obid, Opatovský Sokolec and Tešedíkovo), we studied the diet composition of Barn Owl (Tyto alba) in intensively cultivated agricultural lands. A total of 6218 specimens of prey, 17 mammalian and 7 bird species were identified. The main prey species found in all food samples was the Common Vole (Microtus arvalis), varying between 56 % and 67 %. The proportion of synanthropic species (Rattus norvegicus, Passer domesticus) and species inhabiting agricultural landscapes (Crocidura leucodon, Crocidura suaveolens, Mus sp.) increases in localities with a lower ratio of the Common Vole. The results suggest land use affects the diet of Barn Owls, confirming conclusions which have been drawn in previous studies. From faunistic point of view, discovering the Pannonian Root Vole (Microtus oeconomus mehelyi) in the diet from Malá Mužla was important.
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Kečkéšová, Lucia, and Michal Noga. "The diet of the Common Kestrel in the urban environment of the city of Nitra." Slovak Raptor Journal 2, no. 1 (2008): 81–85. http://dx.doi.org/10.2478/v10262-012-0021-7.
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The diet of the Common Kestrel in the urban environment of the city of Nitra The diet of the urban Common Kestrel population was studied in Nitra during 2003-2005. Totally, 671 prey items were identified by the analysis of pellets and prey remains collected under the nesting sites. Insect, mainly represented by order Coleoptera, was found to be the most abundant prey. Regarding biomass, the Common Vole (Microtus arvalis) was predominated. In comparison with other articles published, the studied sample was rather rich in the Lesser White-toothed Shrew (Crocidura suaveolens) and the House Mouse (Mus cf. musculus).
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Selyunina, Zoya, and Yuriy Moskalenko. "Small mammals in diet of the barn owl (Tyto alba) in the Black Sea Biosphere Reserve." Novitates Theriologicae, no. 11 (August 28, 2020): 72–76. http://dx.doi.org/10.53452/nt1112.
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The barn owl (Tyto alba) formerly was one of the rarest vagrant bird species in the Black Sea Biosphere Reserve. Since 2018, this species has been wintering regularly in the Yahorlytskyi Kut division of the Black Sea Biosphere Reserve. We studied the barn owl’s diet in the reserve by analysing 20 pellets collected in the winter of 2018. A total of 69 specimens of 5 mammal species were identified from the pellets. Species of small mammals that dominate in open habitats prevail in the barn owl’s diet such as the social vole (Microtus socialis) (dominant species of steppe habitats; 43 % of identifiable small-mammal specimens) and the lesser white-toothed shrew (Crocidura suaveolens) (dominant species of salt marsh habitats; 42 % of identifiable small-mammal specimens). Remains of the southern vole (Microtus levis), the Ural field mouse (Sylvaemus cf. uralensis), and the Eurasian pygmy shrew (Sorex minutus) were non-abundant in the barn owl’s diet.
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Peris, Salvador, and Carlos Rodríguez. "Habitat associations of small mammals in farmed landscapes: implications for agri-environmental schemes." Animal Biology 57, no. 3 (2007): 301–14. http://dx.doi.org/10.1163/157075607781753092.
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AbstractThe small mammal community in 21 localities of north-western Spain was evaluated in the light of land use composition. The two geomorphologic categories characterising the study area, the main use of the land (arable/pastoral) and main crop types of each sampling locality were used as potential predictors of the relative abundance of five common small mammal species. The Common vole, Microtus arvalis showed a weak relationship with land uses, probably due to the recent colonisation process this species experienced in the study area. The relative abundance of the Algerian mouse, Mus spretus and the Lusitanian pine vole, Microtus lusitanicus was best explained by models built at the broadest regional scale, the former being more abundant in the eastern area, the latter in the western area. The Greater white-toothed shrew, Crocidura russula showed a positive relationship with grassland coverage, whilst the Wood mouse, Apodemus sylvaticus benefited from increasing proportions of fallow lands within the landscape. These two species are then expected to respond positively to those agri-environmental schemes including the increase of fallows and grassy vegetation within the arable landscape (EU recommendations). However, further efforts are needed to predict, at least qualitatively, the response of other small mammal species to the changing farmed landscape. This is especially true for two endemic species occurring at this area: the Cabrera vole, Microtus cabrerae and the Lusitanian pine vole, and for which this kind of information is almost absent.
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Szép, Dávid, Renáta Bocz, and Jenő J. Purger. "Weather-Dependent Variation in the Winter Diet of Urban Roosting Long-Eared Owls Asio Otus in Pécs (Hungary)." Avian Biology Research 11, no. 1 (2018): 1–6. http://dx.doi.org/10.3184/175815617x15103217178364.
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Long-eared Owls (Asio otus) usually winter in groups in settlements, hunt at night and rest in evergreen trees during the day. From prey remnants regurgitated as pellets, one can detect species present in their hunting areas and changes in their abundance. Our aim was to reveal how the ratio of small mammal species in Long-eared Owl prey changes during the winter, since weather can influence hunting success and the availability of prey. There were 40–60 Long-eared Owls wintering in the city of Pécs. From November 2014 to mid-March 2015 we collected 6,328 pellets from which 9,087 prey remains were identified. 97.5% of prey consisted of small mammals belonging to 21 species. The diversity of small mammals in the pellets collected in November was significantly lower in comparison with other months. With the increase of precipitation, the relative abundance of the Common Vole (Microtus arvalis) and Common Dormouse (Muscardinus avellanarius) decreased, while that of the Striped Field Mouse (Apodemus agrarius) and Wood Mouse (A. sylvaticus) increased. In the periods when the area was covered by snow, the ratio of the Common Vole as prey continually decreased, probably because it stayed under the snow. Since the availability of the Common Vole declined, the proportions of the Striped Field Mouse and Lesser White-toothed Shrew (Crocidura suaveolens) as alternative prey grew significantly. In low temperature periods, Brown Rats (Rattus norvegicus) and birds are more often preyed upon. Despite the hunting area being predominantly urban, species preferring open grassland habitats were significantly more common. As winter progressed, the role of forest-dwelling species in the diet continuously increased.
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Horváth, Győző, Dániel Molnár, and Gergely Csonka. "Population dynamics and spatial pattern of small mammals in protected forest and reforested area." Natura Somogyiensis, no. 7 (2005): 191–207. http://dx.doi.org/10.24394/natsom.2005.7.191.
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Small mammal monitoring using live trapping was done along the upper section of river Drava in 2003-2004, using capture-mark-recapture. Our sample areas were located in a strictly protected alder gallery forest (Lankóci-erdő) and in a neighbouring plot under gradual reforestation which had been clear-cut in 2000. A total of 9 small mammal species were recorded in the two sites, each comprising a 1-hectare sampling grid. The small mammal community revealed here had three characteristic rodent species (Apodemus flavicollis, A. agrárius, Clethrionomys glareolus), and two frequent shrew species (Sorex araneus, Crocidura leucodori). With the populations assumed to be closed, population sizes of the three dominant rodents were estimated from daily capture data. The highest estimated values were obtained for the two Apodemus populations (A. agrárius and A. flavicollis). Population sizes of the bank vole could be estimated from the protected area only. A spatial analysis with the nearest neighbour method showed that individuals of the more frequent species aimed at an even distribution, both in 2003 when densities were lower, and in 2004 when densities were higher. The more detailed analysis of the spatial pattern in 2004 suggested that by the end of late autumn, the different species are already organised in a pattern of winter survival strategy. It was shown by spatial distribution data that in this period the area of the closed alder gallery forest was occupied by individuals of yellow-necked wood mouse and bank vole. In the inner, larger part of the 1 ha forest section, it was mostly yellow-necked wood mice that established their home ranges. Striped field mice occupied only the reforested areas. Using extensive areas, the reforested area was inhabited also by bank voles, which fact is a proof for population translocation between the two areas in this species.
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Meunier, Francis D., Johanna Corbin, Christophe Verheyden, and Pierre Jouventin. "Effects of landscape type and extensive management on use of motorway roadsides by small mammals." Canadian Journal of Zoology 77, no. 1 (1999): 108–17. http://dx.doi.org/10.1139/z98-203.
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We compared the relative abundances of small mammals along extensively managed motorway roadsides (with a narrow mown strip adjacent to the roadway) in three distinct landscapes (garrigue, pine plantation, and intensive farmland), to evaluate the relative effects of management and landscape traversed on roadside small-mammal populations. In each landscape, the landscape matrix (adjacent habitats), the mown strip, and the intervening unmown strip of roadside were sampled using snap traps. The roadside communities differed from those of landscape matrices, both in the relative abundances of individual species and in the proportion of each species captured. Species richness was greater on roadsides than in cropland and pine plantations, but there was no difference in the garrigue landscape. However, this greater richness was due to species that were rarely caught. The three dominant species (93.7% of captures), greater white-toothed shrew (Crocidura russula), wood mouse (Apodemus sylvaticus), and common vole (Microtus arvalis), were generally more abundant on roadsides than in the landscape matrices, especially in the unmown strip in the case of the first two species. Voles showed seasonal variation, being more abundant in mown strips at the population peak. The ecotone attributes of extensively managed motorway roadsides seem to be favourable to most small-mammal species, regardless of the landscape matrix.
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Griffin, J. L., L. A. Walker, S. Garrod, E. Holmes, R. F. Shore, and J. K. Nicholson. "NMR spectroscopy based metabonomic studies on the comparative biochemistry of the kidney and urine of the bank vole (Clethrionomys glareolus), wood mouse (Apodemus sylvaticus), white toothed shrew (Crocidura suaveolens) and the laboratory rat." Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology 127, no. 3 (2000): 357–67. http://dx.doi.org/10.1016/s0305-0491(00)00276-5.
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Obuch, Ján, Štefan Danko, and Michal Noga. "Recent and subrecent diet of the barn owl (Tyto alba) in Slovakia." Slovak Raptor Journal 10, no. 1 (2016): 1–50. http://dx.doi.org/10.1515/srj-2016-0003.
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Abstract We completed data on the diet of the barn owl (Tyto alba) predominately from pellets for the period of the last 50 years from Slovakia. We analyzed material from 251 locations and 16 territorial units. The aggregate represents 119,231 pieces of prey from 47 species of mammals (Mammalia, 95.7%) and 58 species of birds (Aves, 3.9%), with a small representation of amphibians, reptiles (Amphibia and Reptilia, 0.2%) and invertebrates (Invertebrata, 0.2%). The obtaining of food among the owls is limited to synanthropic environments and the surrounding agricultural landscape, and the centre of its distribution in the recent period (i.e. the past 50 years: 1965-201 5) has been concentrated mainly on the southern parts of Slovakia. In this environment the common vole (Microtus arvalis, 59.6%) is the primary prey. Additional prey are rodents of the family Muridae: Mus musculus (5.6%), Micromys minutus (2.2%), Apodemus microps (2.2%), A. flavicollis (2.0%), A. sylvaticus (1 .6%) and A. agrarius (1 .5%); insectivores of the family Soricidae: Sorex araneus (6.2%), S. minutus (2.4%), Crocidura leucodon (4.8%) and C. suaveolens (2.8%); and the house sparrow Passer domesticus (2.9%). In the higher situated Turcianska kotlina Basin the species M. arvalis (74.3%) has higher domination, and instead of the white-toothed shrews the water shrews Neomys anomalus (2.8%) and N. fodiens (1 .3%) are more abundantly represented. In 3 localities owls focused on hunting bats; for example, in the church in Ratková the order Chiroptera made up 35.2% of prey. From the subrecent period (i.e. from before more than 50 years ago) we evaluate 4 samples from the territory of Slovakia with 15,601 pieces of prey ofT. alba. Before more than 50 years ago owls were also more abundantly represented at higher elevations in Slovakia, evidence of which is Weisz’s collection of pellets from 1 6 localities in the Ondavská vrchovina Upland in the years 1945 to 1963, but also a registry of data from the 19th and 20th centuries from higher located basins. In 4 samples of food from the subrecent period diversity in the representation of owl prey is higher, accompanied by low domination ofM. arvalis and a more abundant representation of murids from the genera Mus and Apodemus. The oldest sample, dated to the 16th century, is from a church in Žilina-Rudiny
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Westerwelle, Karin. "Armut und geistiger Aufstieg. San Francesco und Dante." Deutsches Dante-Jahrbuch 87-88, no. 1 (2014). http://dx.doi.org/10.1515/dante-2013-0011.
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RiassuntoQual’è il rapporto fra arte e povertà? Possono, la pittura e la letteratura, rappresentare forme radicali di povertà? Quanto povera e bisognosa in senso materiale, e quanto ricca e virtuosa in senso spirituale appare la donna Povertà che Giotto ha dipinto sulla volta a crociera della Basilica inferiore di Assisi? Nell’undicesimo Canto del Paradiso Dante presenta il personaggio di San Francesco, fondatore dell’ordine omonimo, la cui vita viene narrata dalla voce di San Tommaso d’Aquino, domenicano ed esponente della scolastica. Nella sua presentazione, Dante non si attiene a uno stile retorico ›povero‹, e non rispetta il divieto »sine glossa« formulato da Francesco: infatti il discorso di Tommaso, per rendere trasparente il proprio ermetismo, non può fare a meno di autocommenti e di glosse. Per descrivere il luogo in cui Francesco ricevette le stimmate, Dante si serve di una strategia di visibilizzazione che, con i fiumi Arno e Tevere, evoca topografie e cultura cittadine, ovvero una ricchezza del tutto materiale. Il dibattito fondamentale che Dante apre con l’ideale di povertà di San Francesco, sta nel confronto tra l’ascesa della figura allegorica della donna Povertà e quella di Beatrice. La differenziazione delle due figure segna il divario tra etica religiosa e visione artistica: si dischiude allora uno spazio letterario fondato in questo modo da Dante
Dissertations / Theses on the topic "Volte a crociera"
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FABIANI, FRANCESCA MARIA. "Analisi statica delle volte a crociera in muratura." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2008. http://hdl.handle.net/2108/462.
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In questo studio, si affronterà essenzialmente la definizione dello stato di minima spinta della volta
a crociera che si configura essere quello più probabile nell’ambito dell’ammissibilità dell’equilibrio
dell’intera struttura nella quale la volta stessa è inserita. Lo stato di minima spinta della volta a
crociera verrà analizzato dal punto di vista statico e dal punto di vista cinematico, seguendo i due
procedimenti statico e cinematico indicati da Como [6,7]. Il lavoro evidenzia nella formulazione
statica e cinematica la corrispondenza fra gli stati di sollecitazione e i quadri fessurativi individuati
nella volta. In particolare vengono analizzate le lesioni di Sabouret citate in letteratura da vari autori
[11,15]. Vengono inoltre fornite indicazioni operative di facile applicazione per l’analisi statica
della volta a crociera in minima spinta. Quale applicazione del metodo proposto si riporta la
valutazione della spinta della crociera centrale della copertura del Tepidarium delle antiche Terme
di Diocleziano a Roma (oggi Basilica di Santa Maria degli Angeli e dei Martiri).In this paper an analysis of the minimum thrust state in the cross vault has been presented. Minimum thrust condition has been analysed by the static and kinematics point of view, following static and kinematics approach by Como [6,7]. This study brings out static and kinematics formulation is closely connected to the stress and cracks map in the vault. Paticularly Sabouret cracks mentioned by different authors [11,15] has been analysed. A simple operative method to calculate the minimum thrust in the vault has been given. This procedure has been applied to evaluate the minimum vault thrust for the Tepidarium’s vault in the ancient Baths of Diocletian.
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Pierini, Daniele. "Analisi del comportamento di volte soggette a carichi verticali ed azioni orizzontali: applicazione ad un caso studio." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.
Abstract:
In questo elaborato si è analizzato il comportamento meccanico di volte e cupole in muratura soggette a carichi verticali ed azioni
orizzontali.
Per prima cosa sono state studiate le cupole in campo elastico lineare attraverso dei confronti con dei modelli agli elementi finiti, e poi si sono affrontate delle analisi in campo non lineare. P
er la volta a botte è stata fatta anche l'analisi limite e delle verifiche di sicurezza sismica, confrontate poi con le analisi statiche non lineari.
Infine si sono svolte delle analisi statiche non lineari sul caso studio e sulle principali volte (a botte, padiglione e crociera).