4254 research outputs found
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Not by chemistry alone: Tephrostratigraphy, correlation, and context at two Palaeolithic sites in the southern Caucasus and Armenian Highlands
Understanding the timing of Late Pleistocene population expansions and interactions is hindered by myriad factors among which the imprecision of absolute dating is of particular concern. The identification and geochemical characterization of cryptically preserved volcanic ash layers (cryptotephra) in archaeological sites can alleviate this problem, and in the southern Caucasus and Armenian Highlands has allowed for the correlation of lithostratigraphic units at Palaeolithic sites in the two geographic regions. Compositionally distinct tephras (isochrons) allow specific stratigraphic layers to be linked temporally at the sites of Ortvale Klde (OK, Georgia) and Lusakert-1 (LKT-1, Armenia). The ∼30 ka V-18/Nemrut Formation tephra from the Nemrut volcano, eastern Türkiye is correlated with an Upper Palaeolithic layer at OK and a Late Middle Palaeolithic layer at LKT-1. This isochron suggests the long-term regional coexistence of technologically distinct populations, and the late survival of Late Middle Palaeolithic hominins. These results appear to capture a critical and until now elusive moment in hominin evolution, a period when two distinct tool-making groups, generally assumed to be Homo sapiens and Neanderthals, occupied the same region and likely interacted. However, careful comparison of results with site-specific sedimentological, taphonomic, archaeological, and chronometric data throw these correlations into question. Closer consideration of newly available glass geochemistry for Nemrut suggests further correlations: OK Layer 4c correlates to the V-30 tephra in Lake Van (∼42–37 ka); LKT-1 Lithostratigraphic Unit (LU) 4 correlates to both the ∼60 ka V-45/Çekmece and ∼62 ka V-51/Ahlat Pumice 6; and the younger LKT-1 LU 3 also correlates to the V-51, but with a different compositional range to those seen in the older LU 4. The only way to reconcile the range of compositions observed is that there are additional Nemrut eruptions that have similar glass chemistries to the deposits characterized, and that our current understanding of Nemrut's eruption stratigraphy is incomplete thus hampering our ability to resolve the age(s) of these distal tephra deposits with confidence. Therefore, while the analysis of cryptotephra holds great promise for understanding the timing of key evolutionary events, its application in the southern Caucasus and Armenian Highlands, and elsewhere, must be predicated on the careful consideration of site-specific contextual data rather than chemistry alone
Examining the Relationship between Residents’ Level of Happiness and Supportiveness to Tourism Events: Winchester (UK) as a Case Study
Existing literature has explored the impacts of tourism events on destinations and on their residents as a one-way strategy. However, the direction of those impacts may have a reversal in terms of residents’ supportiveness and level of happiness. Happiness and tourism are very topical at the moment and are still under-researched. Based on this notion, the main objective of this study was to investigate the relationship between residents’ level of happiness and their supportiveness/non-supportiveness for tourism events. Primary data was collected using questionnaire and SPSS was utilised to run few descriptive analyses. The study reveals a different outcome; it is resilience of local residents that enable tourism events to grow and sustain the industry. The findings provide valuable insight on the relationship between residents’ causes of satisfaction/dissatisfaction with tourism events and the impacts on their level of happiness. The information is helpful for Destination Management Organisations (DMOs) and event organisers for development of events that may be profitably marketed along with tourism. Happiness may therefore be used as a metric by DMOs to assess tourism performance.<br/
Southern Criminology and Place: Perspectives from Human Geography
The theoretical and empirical advancement of Southern Criminology has the potential to benefit from geographical understandings of place and space. At the same time, the discipline of geography has much to gain from a stronger and more committed engagement with Southern Criminology. Drawing on a review of literature, this chapter introduces geographical understandings of place and demonstrates their value to Southern Criminology
Communication and Feedback in Ecological Dynamics
Communication and feedback are fundamental, intertwined elements in coaching practice within the ecological dynamics framework. Together, they shape how athletes explore, adapt, and self-organise in response to dynamic performance environments. Rather than simply delivering corrective instructions, effective communication in this approach fosters dialogue, reflection, and shared understanding, helping athletes become attuned to relevant information and adaptable in their actions. Moving beyond traditional prescriptive methods, this chapter examines the interplay between intrinsic and extrinsic feedback, alongside key considerations such as timing, frequency, bandwidth feedback, and the integration of technology. Strategies for enhancing perception–action coupling, reflective practice, and variability in learning are discussed, as well as the influence of organisational culture and resource constraints on communication. The chapter provides practical guidance and reflective tools to help coaches design athlete-centred environments that promote autonomy, functional variability, and context-specific learning while aligning feedback and communication practices with the principles of ecological dynamics
Ecological Dynamics in Sport Coaching:An Essential Guide
Ecological Dynamics in Sport Coaching provides coaches and students with sport-specific guidance to coaching within the ecological dynamics framework, presenting guidance to support coaches in creating representative learning designs that will enhance skill acquisition and sport performance. Ecological Dynamics is a theoretical framework that attempts to understand how perceptual–motor skills are acquired and controlled within an environment of complex actions. This new textbook explores contemporary sport-specific research to identify the key perceptual information that is unique for each sport and combines findings with expert practitioner experience to provide guidance on how to coach using ecological dynamics.Organised in three sections, Ecological Dynamics in Sport Coaching first presents the principles of coaching with ecological dynamics. And then moves on to provide sport-specific guidance based in skill acquisition practice and performance research, to create representative learning environments.This new volume is key reading for undergraduate and postgraduate students, researchers, and coach practitioners in the fields of sport coaching, skill acquisition, physical education, physical activity, and movement science
Juana, Blanca, Juana, Blanca: Four generations of Navarrese royal women, four examples of the challenges and opportunities of widowhood
This article compares the situation of four women of the royal dynasty of Evreux-Navarre from the mid-fourteenth to the mid-fifteenth century, with particular focus on the challenges and opportunities that they faced in their period of widowhood as both consort and regnant queens. Ultimately it argues against the assumption that royal women were at the peak of their power as wives and mothers, demonstrating the political agency that these women had in the latter stages of their lives and political careers