Palaeontology meets metacommunity ecology: the Maastrichtian dinosaur fossil record of North America as a case study

Palaeontology ◽  
2021 ◽  
Author(s):  
Jorge García‐Girón ◽  
Jani Heino ◽  
Janne Alahuhta ◽  
Alfio Alessandro Chiarenza ◽  
Stephen L. Brusatte
Keyword(s):  
North America ◽  
Fossil Record ◽  
Metacommunity Ecology ◽  
Dinosaur Fossil

Migrant Diplomacies: Rethinking Diplomacy Beyond State-Centric Perspectives. A Civic Bi-Nationality Experience from North America

2020 ◽  
Vol 17 (1) ◽  
pp. 37-46 ◽  
Author(s):  
Antonio Alejo
Keyword(s):  
North America ◽  
Mexico City ◽  
Theoretical Framework ◽  
Global Politics ◽  
National Interests ◽  
Interdisciplinary Dialogue ◽  
Contemporary Politics ◽  
Migrant Activism ◽  
Point Of Departure

There is a pressing need to extend our thinking about diplomacy beyond state-centric perspectives, as in the name of sovereignty and national interests, people on move are confronting virtual, symbolic and/or material walls and frames of policies inhibiting their free movement. My point of departure is to explore migrant activism and global politics through the transformation of diplomacy in a globalised world. Developing an interdisciplinary dialogue between new diplomacy and sociology, I evidence the emergence of global sociopolitical formations created through civic bi-nationality organisations. Focusing on the agent in interaction with structures, I present a theoretical framework and strategy for analysing the practices of migrant diplomacies as an expression of contemporary politics. A case study from North America regarding returned families in Mexico City provides evidence of how these alternative diplomacies are operating.

From converts to cooperation: Protestant internationalism, US missionaries and Indian Christians and ‘Professional’ social work between Boston and Bombay (c. 1920–1950)

2021 ◽  
pp. 1-20
Author(s):  
Michael Phillipp Brunner
Keyword(s):  
Social Work ◽  
North America ◽  
Social Gospel ◽  
Local Conditions ◽  
Historical Approach ◽  
The Social ◽  
Social Concerns ◽  
High Phase

Abstract The 1920s and 30s were a high phase of liberal missionary internationalism driven especially by American-led visions of the Social Gospel. As the missionary consensus shifted from proselytization to social concerns, the indigenization of missions and the role of the ‘younger churches’ outside of Europe and North America was brought into focus. This article shows how Protestant internationalism pursued a ‘Christian Sociology’ in dialogue with the field’s academic and professional form. Through the case study of settlement sociology and social work schemes by the American Marathi Mission (AMM) in Bombay, the article highlights the intricacies of applying internationalist visions in the field and asks how they were contested and shaped by local conditions and processes. Challenging a simplistic ‘secularization’ narrative, the article then argues that it was the liberal, anti-imperialist drive of the missionary discourse that eventually facilitated an American ‘professional imperialism’ in the development of secular social work in India. Adding local dynamics to the analysis of an internationalist discourse benefits the understanding of both Protestant internationalism and the genesis of Indian social work and shows the value of an integrated global micro-historical approach.

The Role of the Sport Psychology Consultant: A Case Study of Ultra-Distance Running

1989 ◽  
Vol 3 (3) ◽  
pp. 254-264 ◽  
Author(s):  
Stephen J. Bull
Keyword(s):  
North America ◽  
Training Program ◽  
Sport Psychology ◽  
Crisis Intervention ◽  
Psychological Profile ◽  
Mental Training ◽  
Descriptive Framework ◽  
Ongoing Evaluation

This article presents a case study describing the contribution of a sport psychology consultant to an ultra-distance runner’s attempt to complete 500 miles (800 kilometers) in 20 days through the deserts of North America. The contribution can be considered in four phases that provide a descriptive framework for the role of a sport psychology consultant: (a) establishing a rapport with the athlete, (b) formulating a psychological profile, (c) evaluating the demands of the athletic pursuit and planning an appropriate mental training program, and (d) ongoing evaluation of progress and crisis intervention.

Anatomical, morphometric, and stratigraphic analyses of theropod biodiversity in the Upper Cretaceous (Campanian) Dinosaur Park Formation

2021 ◽  
pp. 1-15
Author(s):  
Thomas M. Cullen ◽  
Lindsay Zanno ◽  
Derek W. Larson ◽  
Erinn Todd ◽  
Philip J. Currie ◽  
...  
Keyword(s):  
High Resolution ◽  
North America ◽  
Fossil Record ◽  
Upper Cretaceous ◽  
Environmental Changes ◽  
Morphometric Analyses ◽  
Variable Distribution ◽  
Taxic Diversity ◽  
Dinosaur Park Formation ◽  
Broad Scale

The Dinosaur Park Formation (DPF) of Alberta, Canada, has produced one of the most diverse dinosaur faunas, with the record favouring large-bodied taxa, in terms of number and completeness of skeletons. Although small theropods are well documented in the assemblage, taxonomic assessments are frequently based on isolated, fragmentary skeletal elements. Here we reassess DPF theropod biodiversity using morphological comparisons, high-resolution biostratigraphy, and morphometric analyses, with a focus on specimens/taxa originally described from isolated material. In addition to clarifying taxic diversity, we test whether DPF theropods preserve faunal zonation/turnover patterns similar to those previously documented for megaherbivores. Frontal bones referred to a therizinosaur (cf. Erlikosaurus), representing among the only skeletal record of the group from the Campanian–Maastrichtian (83–66 Ma) fossil record of North America, plot most closely to troodontids in morphospace, distinct from non-DPF therizinosaurs, a placement supported by a suite of troodontid anatomical frontal characters. Postcranial material referred to cf. Erlikosaurus in North America is also reviewed and found most similar in morphology to caenagnathids, rather than therizinosaurs. Among troodontids, we document considerable morphospace and biostratigraphic overlap between Stenonychosaurus and the recently described Latenivenatrix, as well as a variable distribution of putatively autapomorphic characters, calling the validity of the latter taxon into question. Biostratigraphically, there are no broad-scale patterns of faunal zonation similar to those previously documented in ornithischians from the DPF, with many theropods ranging throughout much of the formation and overlapping extensively, possibly reflecting a lack of sensitivity to environmental changes, or other cryptic ecological or evolutionary factors.

A review of gall midges (Diptera: Cecidomyiidae) described from Mesozoic deposits

2021 ◽  
Vol 4 (1) ◽  
pp. 001-014
Author(s):  
MATHIAS JASCHHOF
Keyword(s):  
New Zealand ◽  
North America ◽  
Fossil Record ◽  
Morphological Diversity ◽  
Sensu Stricto ◽  
Junior Synonym ◽  
Gall Midges ◽  
Incertae Sedis ◽  
New Tribe

Twenty-four fossil gall midges (Cecidomyiidae) described from 1917–2020 from Mesozoic deposits, mostly ambers, are reviewed. Information from the original publications is used as the basis for reinterpretation, when such is regarded as appropriate here. As a result, the fossil record of cecidomyiids from the Mesozoic comprises representatives of the following subfamilies and tribes, all mycophagous (numbers in parentheses refer to species described): Catotrichinae (1); Micromyinae: Catochini (2), Amediini (1), Campylomyzini (1), Micromyini (2) and Aprionini (1); Winnertziinae: Heteropezini (2), Diallactiini (4) and Winnertziini (1); Porricondylinae: Dicerurini (1). Other Winnertziinae (3) and Micromyinae (5) cannot be classified to tribe because information on critical morphological structures is unavailable; they are thus considered incertae sedis. Members of the Lestremiinae sensu stricto are unrecorded from the Mesozoic, as are any Cecidomyiinae (the only subfamily containing phytophages and predators). Commonly occurring reasons for misinterpretation of amber fossils are the non-recognition of artefacts and the unfamiliarity with group-specific literature regarding prevailing taxonomic concepts and the morphological diversity found in Cecidomyiidae. These causes as well as obvious differences between neontological and paleontological taxonomic practices are discussed. Amediini trib. nov. Jaschhof, 2021 is introduced as a new tribe of the Micromyinae, to absorb the genera Amedia Jaschhof, 1997 (extant, North America, type genus), Amediella Jaschhof, 2003 (extant, New Zealand) and Eltxo Arillo & Nel, 2000 (extinct, Alava amber). A diagnosis of the new tribe is given. Krassiloviolini Fedotova & Perkovsky, 2017 is a new junior synonym of Heteropezini Schiner, 1868. Amediini Plakidas, 2017 and Zarqacecidomyius singularis Kaddumi, 2007 are nomina nuda.

COEVALNESS OF INSECT TRACE FOSSILS AND TRACE-BEARING ROCKS, A CASE STUDY FROM THE PLIO?-PLEISTOCENE OF SW SPAIN

Palaios ◽  
2021 ◽  
Vol 36 (3) ◽  
pp. 115-121
Author(s):  
EDUARDO MAYORAL ◽  
JORGE F. GENISE ◽  
FRANCISCO J. RODRÍGUEZ-TOVAR ◽  
ANA SANTOS
Keyword(s):  
Fossil Record ◽  
Field Research ◽  
Sw Spain ◽  
Modern Age ◽  
Different Types ◽  
The Matrix ◽  
Time Gap

ABSTRACT Plio?-Pleistocene outcrops located at the southwestern edge of the Guadalquivir Basin in the area of Lepe (Huelva, Spain) provide an interesting example for studying the contemporaneity of traces with the rocks that contain them. Two different types of cells compatible with the ichnogenera Celliforma (Type 1) and Palmiraichnus (Type 2) were found in these outcrops. Their walls were constructed with the same material as the matrix and our first research in the area showed no extant bees producing them suggesting that they were coeval with the trace-bearing rocks. The case of the “Palmiraichnus-like” Type 2 cells was misleading because of its similarity with Palmiraichnus described from the region in the Canary Islands and Balearic Archipelago (Spain). Two determining features were vital in clarifying this first appearance. In the Palmiraichnus-like cells we found remains of a larval cocoon in one cell that could be dated by C14, giving a modern age. In the Celliforma-like cells more field research in the area allow us to observe extant bees nesting in these rocks in autumn. Ichnological literature show a few cases of asynchronies involving extant traces found mostly in Paleozoic and Mesozoic rocks. In contrast, the case presented herein indicates the time gap between the bearing rocks and the Lepe traces was shorter (ca. 12 ky–2.6 My), enhancing the similarity of traces and rocks and thus their potential coevalness. This case may serve as a warning about other potential examples in the fossil record in which relatively short asynchronies between traces and paleosols exist.

American Gamelan and the Ethnomusicological Imagination

2020 ◽  
Author(s):  
Elizabeth A Clendinning
Keyword(s):  
North America ◽  
Music Education ◽  
Performing Arts ◽  
Music Teachers ◽  
American Music ◽  
World Music ◽  
Music Programs ◽  
Music Ensembles ◽  
College Music

The book seeks to answer these questions: Why are there more than 150 gamelans (Indonesian percussion ensembles) in North America, and why are more than half of them associated with American colleges and universities? How and why did gamelan ensembles spark the ethnomusicological imagination? What impact have these ensembles had on college music programs, their local communities, and transnational Indonesian performing arts scenes? How does a lifetime of teaching foreign college students shape the lives of non-American music teachers? First providing an overview of gamelan and its incorporation in education in North America, this book uses the story of the career and community of one performer-teacher, I Made Lasmawan of Bali and Colorado, as a case study to examine the formation and sustenance academic world music ensembles. It examines the way students develop musical and cultural competence by learning gamelan in traditional ethnomusicology ensemble courses and analyzes the merits of including gamelan ensembles in studies in percussion, composition, and music education. More broadly, the book argues that beyond the classroom, the presence of these ensembles shapes transnational arts education and touristic performing arts scenes in Bali. Finally, it advocates for world music ensemble courses as a powerful means for teaching musical and cultural diversity and sparking transnational exchanges, both in and outside the classroom.

Effectiveness of Truck Rollover Warning Systems

2001 ◽  
Vol 1779 (1) ◽  
pp. 134-140 ◽  
Author(s):  
Derek Baker ◽  
Rob Bushman ◽  
Curtis Berthelot
Keyword(s):  
North America ◽  
Warning System ◽  
Warning Systems ◽  
Commercial Vehicles ◽  
Decision Criteria ◽  
Warning Messages ◽  
System A ◽  
Different Types ◽  
Rollover Warning

Different types of intelligent rollover system deployed by road agencies across North America are investigated. The importance of weight is addressed for maximum effectiveness of rollover warning messages for commercial vehicles in a potential rollover situation on sharp curves or exit ramps. The type of information that may be used to activate a rollover is discussed to analyze the number of correctly warned vehicles compared with the number of false warnings generated by the rollover warning system. A case study of the effectiveness of an intelligent rollover system is presented. On the basis of this case study, it was found that speed-based rollover warning systems generated anywhere from 44 percent to 49 percent more false rollover warnings for commercial vehicles than did rollover warning systems that employed weight information in the rollover decision criteria.

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