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Historical Contingencies (historical + contingency)

Distribution by Scientific Domains

Life Sciences	44%

Selected Abstracts

Religion, Historical Contingencies, and Institutional Conditions of Criminal Punishment: The German Case and Beyond

LAW & SOCIAL INQUIRY, Issue 2 2004
Joachim J. Savelsberg
Religion and historical contingencies help explain cross-national and historic variation of criminal law and punishment. Case studies from German history suggest: First, the Calvinist affiliation of early Prussian monarchs advanced the centralization of power, rationalization of government bureaucracy, and elements of the welfare state, factors that are likely to affect punishment. Second, the dominant position of Lutheranism in the German population advanced the institutionalization of a separation of forgiveness in the private sphere versus punishment of "outer behavior" by the state. Third, these principles became secularized in philosophy, jurisprudence, and nineteenth-century criminal codes. Fourth, partly due to historical contingencies, these codes remained in effect into post,World War II Germany. Fifth, the experience of the Nazi regime motivated major changes in criminal law, legal thought, public opinion, and religious ideas about punishment in the Federal Republic of Germany. Religion thus directly and indirectly affects criminal law and punishment, in interaction with historical contingencies, institutional conditions of the state, and other structural factors. [source]

Biogeography of wetland rice methanotrophs

ENVIRONMENTAL MICROBIOLOGY, Issue 4 2010
Claudia Lüke
Summary We focused on the functional guild of methane oxidizing bacteria (MOB) as model organisms to get deeper insights into microbial biogeography. The pmoA gene was used as a functional and phylogenetic marker for MOB in two approaches: (i) a pmoA database (> 4000 sequences) was evaluated to obtain insights into MOB diversity in Italian rice paddies, and paddy fields worldwide. The results show a wide geographical distribution of pmoA genotypes that seem to be specifically adapted to paddy fields (e.g. Rice Paddy Cluster 1 and Rice Paddy Cluster 2). (ii) On the smaller geographical scale, we designed a factorial experiment including three different locations, two rice varieties and two habitats (soil and roots) within each of three rice fields. Multivariate analysis of terminal restriction fragment analysis profiles revealed different community patterns at the three field sites, located 10,20 km apart. Root samples were characterized by high abundance of type I MOB whereas the rice variety had no effect. With the agronomical practice being nearly identical, historical contingencies might be responsible for the field site differences. Considering a large reservoir of viable yet inactive MOB cells acting as a microbial seed bank, environmental conditions might have selected and activated a different subset at a time thereby shaping the community. [source]

SHARED AND UNIQUE FEATURES OF DIVERSIFICATION IN GREATER ANTILLEAN ANOLIS ECOMORPHS

EVOLUTION, Issue 2 2006
R. Brian Langerhans
Abstract Examples of convergent evolution suggest that natural selection can often produce predictable evolutionary outcomes. However, unique histories among species can lead to divergent evolution regardless of their shared selective pressures,and some contend that such historical contingencies produce the dominant features of evolution. A classic example of convergent evolution is the set of Anolis lizard ecomorphs of the Greater Antilles. On each of four islands, anole species partition the structural habitat into at least four categories, exhibiting similar morphologies within each category. We assessed the relative importance of shared selection due to habitat similarity, unique island histories, and unique effects of similar habitats on different islands in the generation of morphological variation in anole ecomorphs. We found that shared features of diversification across habitats were of greatest importance, but island effects on morphology (reflecting either island effects per se or phylogenetic relationships) and unique aspects of habitat diversification on different islands were also important. There were three distinct cases of island-specific habitat diversification, and only one was confounded by phylogenetic relatedness. The other two unique aspects were not related to shared ancestry but might reflect as-yet-unmeasured environmental differences between islands in habitat characteristics. Quantifying the relative importance of shared and unique responses to similar selective regimes provides a more complete understanding of phenotypic diversification, even in this much-studied system [source]

Genoa and Livorno: Sixteenth and Seventeenth-century Commercial Rivalry as a Stimulus to Policy Development

HISTORY, Issue 281 2001
Thomas Kirk
During the thirteenth and fourteenth centuries, while Genoa was at the height of its colonial expansion, Livorno was little more than a fishing village. The Genoese had assembled a territorial state in Liguria, taken the island of Corsica and, as early as 1277, were sending ships directly to England and Flanders. All the while Livorno was merely a malaria-infested appendix of Porto Pisano. Over the course of the sixteenth century, however, Livorno grew by leaps and bounds and by the end of the century concerns over the Tuscan city's growing importance as a commercial port had become a conditioningfactor in the establishment of Genoese maritime policy. The concern was well founded. An ever-greater portion of trade in the western Mediterranean was to gravitate to Livorno during the seventeenth century, threatening to transform Genoa into a commercial satellite. The Republic of Genoa did not hesitate to react, and the subsequent rivalry between the two ports provided the principal stimulus in the experimentation of innovative fiscal policies in both cities and to the development of the modern free port. Indeed, the free port as it is known today, namely a specific port or area within a port where goods may transit duty free, emerged as the policies of the two cities slowly converged, formulating a single response to differing historical contingencies. [source]

Religion, Historical Contingencies, and Institutional Conditions of Criminal Punishment: The German Case and Beyond

The success of succession: a symposium commemorating the 50th anniversary of the Buell-Small Succession Study

APPLIED VEGETATION SCIENCE, Issue 1 2009
M.L. Cadenasso
Motivation: The Buell-Small Succession Study (BSS) is the longest running study of post agricultural succession in North America. To honor this program, a symposium at the Ecological Society of America meetings was organized to explore the state of succession theory and its contribution to the field of ecology and its application to restoration. The BSS was originally motivated by two controversies in the literature during the 1950's. The first was between a community versus and individual basis of secondary succession. The second was the validity of the Initial Floristic Composition hypothesis. Location: Hutcheson Memorial Forest, Somerset, New Jersey, USA Methods: Vegetation composition and cover has been continuously quantified in permanent plots established in 10 old fields. Continued Research Motivation: The rich data set has documented population and community dynamics and the spatio-temporal controls and historical contingencies that influence those dynamics. The regulation of community dynamics continues to be a line of inquiry as does the application of results to restoration and understanding the dynamics of non-native species. Conclusions: Long term vegetation studies are uncommon in ecology yet they are uniquely valuable for understanding system dynamics , particularly if the studies capture periodic events or system shifts such as droughts and invasions by non-native species. Resilient long term studies, of which the BSS is an example, maintain methods and data structure while allowing motivating questions to evolve along side advancements in the theoretical and conceptual realms of the field. Succession continues to serve as a basic tenet of ecology which is demonstrated by the papers making up this special issue. [source]

Comparative phylogeography of salmonid fishes (Salmonidae) reveals late to post-Pleistocene exchange between three now-disjunct river basins in Siberia

DIVERSITY AND DISTRIBUTIONS, Issue 4 2003
E. Froufe
Abstract. We use a comparative phylogeographical framework to evaluate the hypothesis of hydrological exchange during the Pleistocene among the now disjunct Lena, Amur, and Enisei basins in Siberia, and to provide evidence on the causal mechanism of their present day faunal dissimilarities. Approximately 600 bases of the mitochondrial control region were sequenced in five distinct lineages among three genera of salmonid fishes, Hucho, Brachymystax and Thymallus. All three basins were fixed for divergent (2,5.4%) lineages of Thymallus whereas a single shared haplotype was present in all three basins for Hucho taimen (Pallas, 1773) and one shared haplotype between the Lena and Amur basins out of a total of five for blunt-snouted and one out of five for sharp-snouted Brachymystax lenok (Pallas, 1773). For both blunt- and sharp-snouted lenok the haplotypes found within each basin did not form clades, so no relationship between genotypes and geographical occurrence was found. Our data support relatively recent hydrological mixing of the major river drainage systems in eastern and far-eastern Siberia, congruent with the hypothesis of large-scale palaeo-hydrological exchange stemming from glacial advance, retreat and melting during Pleistocene climate fluctuations. Furthermore, these results in conjunction with a comparison of overall faunal composition suggest that environmental differences rather than historical contingency may be responsible for the faunal dissimilarities of the Amur, Lena, and Enisei river basins. [source]

The paradox of invasion

GLOBAL ECOLOGY, Issue 5 2000
Dov F. Sax
Abstract It is paradoxical that exotic species invade and displace native species that are well adapted to local environments. Yet, even those exotics that eventually become abundant and widespread, often do so only after having failed to establish following multiple earlier introductions. The first pattern, while not generally discussed in this context, is usually explained by exotic species pre-adaptations for human-altered environments and by a release from enemies. It can be understood further by examining the superior quality of colonists from large species-rich regions and the historical contingency of evolution. The second pattern is generally explained by invoking demographic and environmental stochasticity; however, it can be understood further by examining the role of environmental variation over space and by metapopulation dynamics. These processes provide a context in which these patterns of invasion are not paradoxical, but instead, expected. [source]

Relative Importance of Intrinsic, Extrinsic, and Anthropic Factors in the Geomorphic Zonation of the Trinity River, Texas,

JOURNAL OF THE AMERICAN WATER RESOURCES ASSOCIATION, Issue 4 2010
Jonathan D. Phillips
Phillips, Jonathan D., 2010. Relative Importance of Intrinsic, Extrinsic, and Anthropic Factors in the Geomorphic Zonation of the Trinity River, Texas. Journal of the American Water Resources Association (JAWRA) 46(4): 807-823. DOI: 10.1111/j.1752-1688.2010.00457.x Abstract:, The Trinity River, Texas, was characterized according to its geologic framework, valley width and confinement, slope, sinuosity, channel-floodplain connectivity, and flow regime, leading to the identification of 18 hinge points along the 638 km study area where major transitions in two or more criteria occur. These, and effects of human agency, avulsions, and sea level rise, delineate 21 river styles or zones. Each zone was evaluated with respect to dominant factors determining its geomorphological characteristics: geology/lithology, tectonics, Holocene sea level rise, meandering, cutoffs and other lateral channel changes, avulsions, valley constrictions by alluvial terraces, and paleomeander depressions. Direct human influences (a large impoundment and water withdrawals) are also evident. Entropy of the relationships between these controls and the geomorphological zones shows that all the controls are significant, and each accounts for 4-15% of the total entropy. Geologic controls, lateral channel changes, and constriction by terraces are the three most influential controls, illustrating that controls on river morphology include extrinsic boundary conditions, active process-form interrelationships, and inherited features. Extrinsic and intrinsic controls each account for about a third of the entropy, but the latter includes antecedent features as well as active channel dynamics, underscoring the importance of historical contingency even in alluvial rivers. [source]