Journal articles on the topic 'L Thomasset'

Thomassen [6] conjectured that if I is a set of k−1 arcs in a k-strong tournament T, then T−I has a Hamiltonian cycle. This conjecture was proved by Fraisse and Thomassen [3]. We prove the following stronger result. Let T=(V, A) be a k-strong tournament on n vertices and let X1, X2, [ctdot ], Xl be a partition of the vertex set V of T such that [mid ]X1[mid ][les ][mid ]X2[mid ] [les ][ctdot ][les ][mid ]Xl[mid ]. If k[ges ][sum ] l−1i=1[lfloor ] [mid ]Xi[mid ]/2[rfloor ]+[mid ]Xl[mid ], then T−∪li=1 {xy∈A[ratio ]x, y∈Xi} has a Hamiltonian cycle. The bound on k is sharp.

"When it comes to artifacts, the functional accounts define them as objects that have an intended function. This function is considered essential for them and is used to classify artifacts and differentiate them. However, functional accounts of artifacts face some serious criticism. It seems that a function is neither essential, nor sufficient for an artifact. Thomasson offers a new perspective on artifacts. The author defines artifacts based on their intended feature. A feature may, of course, be a function but does not have to be just that. Generally speaking, intended features are norms of how to treat that specific artifact. Such an account is able to escape the criticism raised against functional accounts. In this article is presented Baker’s functional account of artifacts and some criticism that can be raised for such an account. The second part of the article critically introduces Thomasson’s account for artifacts. The aim of this article is to support Thomasson’s account against a functional perspective. Keywords: artifacts, mind-dependent objects, intended function, natural kinds, intended feature, Amie Thomasson, L. R. Baker"

Species of Labiostrongylus are parasitic in the stomachs of macropodid and potoroid marsupials. The subgenus Labiostrongylus (Labiosimplex) is revised in this paper. The species Labiostrongylus (Labiosimplex) australis, L. (Ls.) bancrofti, L. (Ls.) bipapillosus, L. (Ls.) clelandi, L. (Ls.) communis, L. (Ls.) kungi, L. (Ls.) longispicularis, L. (Ls.) petrogale and L. (Ls.) redmondi are redescribed. L. ualabatus is placed as a synonym of L. (Ls.) clelandi. Twelve new species, L. (Ls.) robustus, sp. nov., L. (Ls.) major, sp. nov., L. (Ls.) occidentalis, sp. nov., L. (Ls.) aridus, sp. nov., L. (Ls.) flanneryi, sp. nov., L. (Ls.) thetidis, sp. nov., L. (Ls.) irma, sp. nov., L. (Ls.) thomasae, sp. nov., L. (Ls.) dendrolagi, sp. nov., L. (Ls.) pearsortensis, sp. nov., L. (Ls.) godmani, sp. nov., and L. (Ls.) laterilabellosus, sp. nov., are described. Labiostrongylus spp. 1–4 from Macropus parma and Lagorchestes hirsutus are discussed but not named and a key to the subgenus is given. A list of macropodid and potoroid hosts of species of Labiostrongylus is provided, and an indication of where further host collection is needed to augment taxonomic work on the genus is given.

ABSTRACT Pulmonary alveolar proteinosis (PAP) is characterized by the accumulation of lipoproteinaceous material within the lung alveoli. Recent studies indicate that PAP is an autoimmune disease characterized by a neutralizing anti-granulocyte macrophage colony stimulating factor (GM-CSF) antibody. At present the only definitive diagnostic test for PAP is open lung biopsy. We have previously published that anti-GM-CSF is diagnostic for PAP and correlates with disease pathogenesis using a traditional serial anti-GM-CSF antibody titer format (T. L. Bonfield, M. S. Kavuru, and M. J. Thomassen, Clin. Immunol. 105:342-350, 2002). Titer analysis is a semiquantitative method, and often subtle changes in antibody titer are not detectable. In this report we present data to support anti-GM-CSF detection by a quantitative highly sensitive multiplexed particle-based assay which has the potential to be a clinical diagnostic test.

Length–weight relations of 14 fish species caught by small-scale fishery from the Chalakudy River of the Western Ghats biodiversity hotspot, India were analyzed from April 2018 to March 2019. The following species were studied: Amblypharyngodon microlepis (Bleeker, 1853); Dawkinsia filamentosa (Valenciennes, 1844); Puntius mahecola (Valenciennes, 1844); Osteobrama bakeri (Day, 1873); Labeo dussumieri (Valenciennes, 1842); Channa marulius (Hamilton, 1822); Channa striata (Bloch, 1793); Horabagrus brachysoma (Günther, 1864); Mystus armatus (Day, 1865); Pangasianodon hypophthalmus (Sauvage, 1878); Heteropneustes fossilis (Bloch, 1794); Etroplus suratensis (Bloch, 1790); Megalops cyprinoides (Broussonet, 1782); Parambassis thomassi (Day, 1870). The main fishing gear that was used in the data collection were gill nets, seine nets, and cast nets. The b values in the LWRs ranged from 2.649 (L. dussumieri) to 3.023 (P. hypophthalmus). This study reports the first LWR reference for five species and new maximum total lengths for five species. The results provide baseline information for the sustainable management and conservation of the studied species.

Length–weight relations of 14 fish species caught by small-scale fishery from the Chalakudy River of the Western Ghats biodiversity hotspot, India were analyzed from April 2018 to March 2019. The following species were studied: Amblypharyngodon microlepis (Bleeker, 1853); Dawkinsia filamentosa (Valenciennes, 1844); Puntius mahecola (Valenciennes, 1844); Osteobrama bakeri (Day, 1873); Labeo dussumieri (Valenciennes, 1842); Channa marulius (Hamilton, 1822); Channa striata (Bloch, 1793); Horabagrus brachysoma (Günther, 1864); Mystus armatus (Day, 1865); Pangasianodon hypophthalmus (Sauvage, 1878); Heteropneustes fossilis (Bloch, 1794); Etroplus suratensis (Bloch, 1790); Megalops cyprinoides (Broussonet, 1782); Parambassis thomassi (Day, 1870). The main fishing gear that was used in the data collection were gill nets, seine nets, and cast nets. The b values in the LWRs ranged from 2.649 (L. dussumieri) to 3.023 (P. hypophthalmus). This study reports the first LWR reference for five species and new maximum total lengths for five species. The results provide baseline information for the sustainable management and conservation of the studied species.

The Garamantes exercised a powerful hold upon the Mediterranean imagination during the early and high Empire (Daniels 1970; Desanges 1962; Merighi 1940; Romanelli 1959; Ruprechtsburger, forthcoming). Remote and beyond the southern limits of the African provinces, they represented the mythical south, only accessible after perilous desert travel; they were inextricably interwoven in people's minds with swarming serpents, fabulous fountains and precious stones, with the silent noon tide of the terrifying desert and such inhuman creatures as men with no voices or no heads, strapfoots, Goat-Pans and Satyrs (Pliny, N.H. 5.1.7).The reality of Roman contact with them was no less exotic. The last entry of all in the Fasti Triumphales (CIL I2, p. 50) on the Arch of Augustus in the Roman Forum commemorates a triumph celebrated on 27th March 734 A.V.C. (19 BC) by L. Cornelius Balbus, ex Africa: below, the stone surface remains rough and no further names follow. But Balbus' honour was much more noteworthy for he was not even a Roman by birth (PIR2 C1331; Thomasson 1960, 11). Like his famous uncle, Caesar's Balbus, he was a full-blooded Spaniard hailing from Cadiz (Gades) — and the only foreigner ever to be accorded a triumph, the Elder Pliny informs us (N.H. 5.5.36). His rise to fame came about through a steadfast devotion to Caesar's cause, for which he was ultimately rewarded by Augustus with consular rank (Velleius 2.51.3), and became Proconsul of Africa in ?20 BC (Syme 1939, 80, 235, 325, 339, 367).

For each integer $d\geqslant 3$, we obtain a characterization of all graphs in which the ball of radius $3$ around each vertex is isomorphic to the ball of radius 3 in $\mathbb{L}^{d}$, the graph of the $d$-dimensional integer lattice. The finite, connected graphs with this property have a highly rigid, ‘global’ algebraic structure; they can be viewed as quotient lattices of $\mathbb{L}^{d}$ in various compact $d$-dimensional orbifolds which arise from crystallographic groups. We give examples showing that ‘radius 3’ cannot be replaced by ‘radius 2’, and that ‘orbifold’ cannot be replaced by ‘manifold’. In the $d=2$ case, our methods yield new proofs of structure theorems of Thomassen [‘Tilings of the Torus and Klein bottle and vertex-transitive graphs on a fixed surface’, Trans. Amer. Math. Soc.323 (1991), 605–635] and of Márquez et al. [‘Locally grid graphs: classification and Tutte uniqueness’, Discrete Math.266 (2003), 327–352], and also yield short, ‘algebraic’ restatements of these theorems. Our proofs use a mixture of techniques and results from combinatorics, geometry and group theory.

In this paper, we introduce a new variation of list-colorings. For a graph $G$ and for a given nonnegative integer $t$, a $t$-common list assignment of $G$ is a mapping $L$ which assigns each vertex $v$ a set $L(v)$ of colors such that given set of $t$ colors belong to $L(v)$ for every $v\in V(G)$. The $t$-common list chromatic number of $G$ denoted by $ch_t(G)$ is defined as the minimum positive integer $k$ such that there exists an $L$-coloring of $G$ for every $t$-common list assignment $L$ of $G$, satisfying $|L(v)| \ge k$ for every vertex $v\in V(G)$. We show that for all positive integers $k, \ell$ with $2 \le k \le \ell$ and for any positive integers $i_1 , i_2, \ldots, i_{k-2}$ with $k \le i_{k-2} \le \cdots \le i_1 \le \ell$, there exists a graph $G$ such that $\chi(G)= k$, $ch(G) = \ell$ and $ch_t(G) = i_t$ for every $t=1, \ldots, k-2$. Moreover, we consider the $t$-common list chromatic number of planar graphs. From the four color theorem and the result of Thomassen (1994), for any $t=1$ or $2$, the sharp upper bound of $t$-common list chromatic number of planar graphs is $4$ or $5$. Our first step on $t$-common list chromatic number of planar graphs is to find such a sharp upper bound. By constructing a planar graph $G$ such that $ch_1(G) =5$, we show that the sharp upper bound for $1$-common list chromatic number of planar graphs is $5$. The sharp upper bound of $2$-common list chromatic number of planar graphs is still open. We also suggest several questions related to $t$-common list chromatic number of planar graphs.

NOTE: This article was published in a former series of GEUS Bulletin. Please use the original series name when citing this article, for example: Dawes, P. R., Frisch, T., Garde, A. A., Iannelli, T. R., Ineson, J. R., Jensen, S. M., Pirajno, F., Sønderholm, M., Stemmerik, L., Stouge, S., Thomassen, B., & van Gool, J. A. (2000). Kane Basin 1999: mapping, stratigraphic studies and economic assessment of Precambrian and Lower Palaeozoic provinces in north-western Greenland. Geology of Greenland Survey Bulletin, 186, 11-28. https://doi.org/10.34194/ggub.v186.5211 _______________ The geological map coverage of Greenland at scale 1:500 000 is nearing completion, with the Kane Basin sheet of north-western Greenland the last to be compiled (sheet 6 between 78°–81°N; Fig. 1). Sporadic work by the Survey since the 1970s identified the main geological provinces and structure of the region but the lithologies of the Precambrian shield were not sufficiently mapped inland to warrant final compilation. Project Kane Basin 1999 was designed to provide this knowledge; the optimal use of logistics enabled a range of geological activities to be undertaken, as well as other scientific disciplines.

Aaron Swoboda of Carleton College reviews “The Economics of Climate Change: Adaptations Past and Present” by Gary D. Libecap and Richard H. Steckel. The EconLit Abstract of the reviewed work begins: Eleven papers explore the economics of climate change, focusing on how economies, particularly that of the United States, have adjusted to past challenges posed by climate change. Papers discuss additive damages, fat-tailed climate dynamics, and uncertain discounting (Martin L. Weitzman); modeling the impact of warming in climate change economics (Robert S. Pindyck); droughts, floods, and financial distress in the United States (John Landon-Lane, Hugh Rockoff, and Richard H. Steckel); the effects of weather shocks on crop prices in unfettered markets--the United States prior to the farm programs, 1895–1932 (Jonathan F. Fox, Price V. Fishback, and Paul W. Rhode); information and the impact of climate and weather on mortality rates during the Great Depression (Fishback, Werner Troesken, Trevor Kollmann, Michael Haines, Rhode, and Melissa Thomasson); responding to climatic challenges--lessons from U.S. agricultural development (Alan L. Olmstead and Rhode); the impact of the 1936 Corn Belt drought on American farmers' adoption of hybrid corn (Richard Sutch); the evolution of heat tolerance of corn--implications for climate change (Michael J. Roberts and Wolfram Schlenker); climate variability and water infrastructure--historical experience in the western United States (Zeynep K. Hansen, Gary D. Libecap, and Scott E. Lowe); whether Frederick Brodie discovered the world's first environmental Kuznets curve--coal smoke and the rise and fall of the London fog (Karen Clay and Troesken); and the impacts of climate change on residential electricity consumption--evidence from billing data (Anin Aroonruengsawat and Maximilian Auffhammer). Libecap is Donald Bren Distinguished Professor of Corporate Environmental Management and Professor of Economics at the University of California, Santa Barbara. Steckel is the Social and Behavioral Sciences Distinguished Professor of Economics, Anthropology, and History and a Distinguished University Professor at Ohio State University. Name and subject indexes.

03—285 Ahmed, Mehreen (U. of Queensland, Australia). A note on phrase structure analysis and design implication for ICALL. Computer Assisted Language Learning (Lisse, The Netherlands), 15, 4 (2002), 423—33.03—286 Argaman, Osnat and Abu-Rabia, Salim (U. of Haifa, Israel). The influence of language anxiety on English reading and writing tasks among native Hebrew speakers. Language, Culture and Curriculum (Clevedon, UK), 15, 2 (2002), 143—60.03—287 Bielinska, Monika (Schlesische Universität, Katowice, Poland). Zu Semantischen Aspekten der Wortkombinatorik. [On semantic aspects of word combination.] Glottodidactica (Poznań, Poland), 28 (2002), 19—27.03—288 Bonci, Angelica (Royal Holloway, U. of London, UK). Collocational restrictions in Italian as a second language: A case control study. Tuttitalia (Rugby, UK), 26 (2002), 3—14.03—289 Brown, Charles Grant (U. of Northern British Columbia, Canada; Email: brownc@unbc.ca). Inferring and maintaining the learner model. Computer Assisted Language Learning (Lisse, The Netherlands), 15, 4 (2002), 343—55.03—290 Butler, Yuko Goto (U. of Pennsylvania, USA; Email: ybutler@gse.upenn.edu). Second language learners' theories on the use of English articles: An analysis of the metalinguistic knowledge used by Japanese students in acquiring the English article system. Studies in Second Language Acquisition (New York, USA), 24, 3 (2002), 451—80.03—291 Carroll, Susanne E. (Universität Potsdam, Germany; Email: carroll@rz.uni-potsdam.de). Induction in a modular learner. Second Language Research (London, UK), 18, 3 (2002), 224—49.03—292 Chen, Liang, Tokuda, Naoyuki and Xiao, Dahai (Sunflare Company, Tokyo, Japan; Email: chen_1@sunflare.co.jp). A POST parser-based learner model for template-based ICALL for Japanese-English writing skills. Computer Assisted Language Learning (Lisse, The Netherlands), 15, 4 (2002), 357—72.03—293 Di Biase, Bruno and Kawaguchi, Satomi (U. of Western Sydney, Australia; Email: B.DiBiase@uws.edu.au). Exploring the typological plausibility of Processability Theory: Language development in Italian second language and Japanese second language. Second Language Research (London, UK), 18, 3 (2002), 274—302.03—294 Dimroth, Christine (Max Planck Inst. for Psycholinguistics, Nijmegen, The Netherlands; Email: christine.dimroth@mpi.nl). Topics, assertions, and additive words: How L2 learners get from information structure to target-language syntax. Linguistics (Berlin, Germany), 40, 4 (2002), 891—923.03—295 Duffield, Nigel (McGill U., Canada), White, Lydia, Bruhn de Garavito, Joyce, Montrul, Silvina and Prévost, Philippe. Clitic placement in L2 French: Evidence from sentence matching. Journal of Linguistics (Cambridge, UK), 38, 3 (2002), 487—525.03—296 Francis, Norbert (Northern Arizona U., USA; Email: norbert.francis@nau.edu). Literacy, second language learning, and the development of metalinguistic awareness: A study of bilingual children's perceptions of focus on form. Linguistics and Education (New York, USA), 13, 3 (2002), 373—404.03—297 Gamper, Johann (Free U. of Bozen, Italy; Email: judith.knapp@eurac.edu) and Knapp, Judith. A review of intelligent CALL systems. Computer Assisted Language Learning (Lisse, The Netherlands), 15, 4 (2002), 329—42.03—298 Gavruseva, Elena (U. of Iowa, USA; Email: elena-gavruseva@uiowa.edu). Is there primacy of aspect in child L2 English? Bilingualism: Language and Cognition (Cambridge, UK), 5, 2 (2002), 109—30.03—299 Geeslin, Kimberly L. (Indiana U., USA; Email: kgeeslin@indiana.edu). The acquisition of Spanish copula choice and its relationship to language change. Studies in Second Language Acquisition (New York, USA), 24, 3 (2002), 419—50.03—300 Ghaith, G. M. (American U. of Beirut, Lebanon; Email: gghaith@aub.edu.lb). The relationship between cooperative learning, perception of social support, and academic achievement. System (Oxford, UK), 30, 3 (2002), 263—73.03—301 Golato, Peter (U. of Illinois, Urbana-Champaign, USA; Email: pgolato@uiuc.edu). Word parsing by late-learning French-English bilinguals. Applied Psycholinguistics (Cambridge, UK), 23, 3 (2002), 417—46.03—302 Gorostiaga, Arantxa and Balluerka, Nekane (U. of the Basque Country; Email: pspgomaa@ss.ehu.es). The influence of the social use and the history of acquisition of Euskera on comprehension and recall of scientific texts in Euskera and Castilian. Language Learning (Malden, MA, USA), 52, 3 (2002), 491—512.03—303 Hada, Yoshiaki, Ogata, Hiroaki and Yano, Yoneo (Tokushima U., Japan; Email: hada@is.tokushima-u.ac.jp). Video-based language learning environment using an online video-editing system. Computer Assisted Language Learning (Lisse, The Netherlands), 15, 4 (2002), 387—408.03—304 Håkansson, Gisela (U. of Lund, Sweden; Email: Gisela.Hakansson@ling.lu.se), Pienemann, Manfred and Sayehli, Susan. Transfer and typological proximity in the context of second language processing. Second Language Research (London, UK), 18, 3 (2002), 250—73.03—305 Hatasa, Yukiko Abe (U. of Iowa, USA; Email: yukiko-hatasa@uiowa.edu). The effects of differential timing in the introduction of Japanese syllabaries on early second language development in Japanese. The Modern Language Journal (Malden, MA, USA), 86, 3 (2002), 349—67.03—306 Hsiao, Tsung-Yuan (Nat. Taiwan Ocean U., Republic of China; Email: tyhsiao@mail.ntou.edu.tw) and Oxford, Rebecca L.. Comparing theories of language learning strategies: A confirmatory factor analysis. The Modern Language Journal (Malden, MA, USA), 86, 3 (2002), 368—83.03—307 Hu, Guangwei (Nat. Inst. of Ed., Nanyang Technological U., Singapore; Email: gwhu@nie.edu.sg). Psychological constraints on the utility of metalinguistic knowledge in second language production. Studies in Second Language Acquisition (New York, USA), 24, 3 (2002), 347—86.03—308 Hulstijn, Jan (U. of Amsterdam, The Netherlands; Email: hulstijn@hum.uva.nl). Towards a unified account of the representation, processing and acquisition of second language knowledge. Second Language Research (London, UK), 18, 3 (2002), 193—223.03—309 Itakura, Hiroko (The Hong Kong Polytechnic U.; Email: eghiroko@polyu.edu.hk). Gender and pragmatic transfer in topic development. Language, Culture and Curriculum (Clevedon, UK), 15, 2 (2002), 161—83.03—310 Jarvis, Scott (Ohio U., USA; Email: jarvis@ohio.edu). Topic continuity in L2 English article use. Studies in Second Language Acquisition (New York, USA), 24, 3 (2002), 387—418.03—311 Jung, Udo O. H. (U. of Bayreuth, Germany; Email: hmejung@gmx.de). An international bibliography of computer-assisted language learning: Fifth instalment. System (Oxford, UK), 30, 3 (2002), 349—98.03—312 Kim, Daejin (Hansei U., Republic of Korea; Email: daejkim@chollian.net) and Hall, Joan Kelly. The role of an interactive book reading program in the development of second language pragmatic competence. The Modern Language Journal (Malden, MA, USA), 86, 3 (2002), 332—48.03—313 Lee, Eun-Joo (Stanford U., USA; Email: eunlee@stanford.edu). Comparing personal references in English by a native-speaking and a Korean pre-adolescent. English Teaching (Korea), 57, 3 (2002), 125—43.03—314 Lee, Lina (U. of New Hampshire, USA; Email: llee@hopper.unh.edu). Synchronous online exchanges: A study of modification devices on non-native discourse. System (Oxford, UK), 30, 3 (2002), 275—88.03—315 Lee, Siok H. (Burnaby Sch. District & Simon Fraser U., Canada; Email: slee@alpha.sd41.bc.ca) and Carey, Stephen. Explaining Chinese learners' errors in the phonological representations of Latinate derivatives in English: A psycholinguistic perspective. Canadian Journal of Applied Linguistics (Ottawa, Canada), 5, 1/2 (2002), 65—91.03—316 Liontas, John I. (U. of Notre Dame, IN, USA; Email: jliontas@nd.edu). Exploring second language learners' notions of idiomaticity. System (Oxford, UK), 30, 3 (2002), 289—313.03—317 Macintyre, Peter D. (U. Coll. of Cape Breton, Canada; Email: peter_macintyre@uccb.ca), Baker, Susan C., Clément, Richard and Donovan, Leslie A.. Sex and age effects on willingness to communicate, anxiety, perceived competence, and L2 motivation among junior high school French immersion students. Language Learning (Malden, MA, USA), 52, 3 (2002), 537—64.03—318 Martínez, Ana Cristina Lahuerta (U. of Oviedo, Asturias, Spain; Email: lahuerta@correo.uniovi.es). Empirical examination of EFL readers' use of rhetorical information. English for Specific Purposes (Amsterdam, The Netherlands), 21, 1 (2002), 81—98.03—319 Mori, Yoshiko (Georgetown U., USA; Email: moriy@georgetown.edu). Individual differences in the integration of information from context and word parts in interpreting unknown kanji words. Applied Psycholinguistics (Cambridge, UK), 23, 3 (2002), 375—97.03—320 Morris, Frank A. (U. of Miami, USA). Negotiation moves and recasts in relation to error types and learner repair in the foreign language classroom. Foreign Language Annals (New York, USA), 35, 4 (2002), 395—404.03—321 O'Grady, William (U. of Hawai'i, USA; Email: ogrady@hawaii.edu) and Yamashita, Yoshie. Partial agreement in second-language acquisition. Linguistics (Berlin, Germany), 40, 5 (2002), 1011—19.03—322 Perdue, Clive (Université Paris VIII, France; Email: clive@univ-paris8.fr), Benazzo, Sandra and Giuliano, Patrizia. When finiteness gets marked: The relations between morphosyntactic development and use of scopal items in adult language. Linguistics (Berlin, Germany), 40, 4 (2002), 849—90.03—323 Pichette, François (U. of South Florida, USA; Email: pichette@chuma1.cas.usf.edu). Second-language vocabulary learning and the additivity hypothesis. Canadian Journal of Applied Linguistics (Ottawa, Canada), 5, 1/2 (2002), 117—30.03—324 Raymond, Patricia M. (U. of Ottawa, Canada) and Parks, Susan. Transitions: Orienting to reading and writing assignments in EAP and MBA contexts. The Canadian Modern Language Review/La Revue canadienne des langues vivantes (Toronto, Ont.), 59, 1 (2002), 152—80.03—325 Schulz, Renate A. (U. of Arizona, USA). Hilft es die Regel zu wissen um sie anzuwenden? Das Verhältnis von metalinguistischem Bewusstsein und grammatischer Kompetenz in DaF. [Does it help to know the rule to apply it? The relationship between metalinguistic consciousness and grammatical competence in German as a foreign language.] Die Unterrichtspraxis/Teaching German (Cherry Hill, NJ, USA), 36, 1 (2002), 15—24.03—326 Segler, Thomas M., Pain, Helen and Sorace, Antonella (U. of Edinburgh, Scotland, UK; Email: thomasse@dai.ed.ac.uk). Second language vocabulary acquisition and learning strategies in ICALL environments. Computer Assisted Language Learning (Lisse, The Netherlands), 15, 4 (2002), 409—22.03—327 Shehadeh, Ali (U. of Aleppo/King Saud U., Ryadh, Saudi Arabia; Email: ashhada@ksu.edu.sa). Comprehensible output, from occurrence to acquisition: An agenda for acquisitional research. Language Learning (Malden, MA, USA), 52, 3 (2002), 597—647.03—328 Tokuda, Naoyuki (SunFlare Research and Development Center, Tokyo, Japan; Email: tokuda_n@sunflare.co.jp). New developments in intelligent CALL systems in a rapidly internationalised information age. Computer Assisted Language Learning (Lisse, The Netherlands), 15, 4 (2002), 319—27.03—329 Tracy, Rosemarie (U. of Mannheim, Germany). Growing (clausal) roots: All children start out (and may remain) multilingual. Linguistics (Berlin, Germany), 40, 4 (2002), 653—86.03—330 van de Craats, Ineke (U. of Nijmegen, The Netherlands; Email: I.v.d.Craats@let.kun.nl), van Hout, Roeland and Corver, Norbert. The acquisition of possessive HAVE-clauses by Turkish and Moroccan learners of Dutch. Bilingualism: Language and Cognition (Cambridge, UK), 5, 2 (2002), 147—74.03—331 Verhoeven, Ludo (U. of Nijmegen, The Netherlands; Email: L.Verhoeven@ped.kun.nl) and Vermeer, Anne. Communicative competence and personality dimensions in first and second language learners. Applied Psycholinguistics (Cambridge, UK), 23, 3 (2002), 361—74.03—332 Wendt, Michael (U. Bremen, Germany). Kontext und Konstruktion: Fremdsprachendidaktische Theoriebildung und ihre Implikationen für die Fremdsprachenforschung. [Context and construction: Foreign language didactic theory formation and its implications for foreign language learning.] Zeitschrift für Fremdsprachenforschung (Germany), 13, 1 (2002), 1–62.03—333 Williams, Marion, Burden, Robert and Lanvers, Ursula (U. of Exeter, UK). ‘French is the Language of Love and Stuff’: Student perceptions of issues related to motivation in learning a foreign language. British Educational Research Journal (Abingdon, UK), 28, 4 (2002), 503—28.03—334 Wray, Alison (Cardiff U., UK; Email: wraya@cf.ac.uk). Formulaic language in computer-supported communication: Theory meets reality. Language Awareness (Clevedon, UK), 11, 2 (2002), 114—31.

About half way through Yann Arthus-Bertrand’s film Home (2009) the narrator describes the fall of the Rapa Nui, the indigenous people of the Easter Islands. The narrator posits that the Rapa Nui culture collapsed due to extensive environmental degradation brought about by large-scale deforestation. The Rapa Nui cut down their massive native forests to clear spaces for agriculture, to heat their dwellings, to build canoes and, most importantly, to move their enormous rock sculptures—the Moai. The disappearance of their forests led to island-wide soil erosion and the gradual disappearance of arable land. Caught in the vice of overpopulation but with rapidly dwindling basic resources and no trees to build canoes, they were trapped on the island and watched helplessly as their society fell into disarray. The sequence ends with the narrator’s biting remark: “The real mystery of the Easter Islands is not how its strange statues got there, we know now; it's why the Rapa Nui didn't react in time.” In their unrelenting desire for development, the Rapa Nui appear to have overlooked the role the environment plays in maintaining a society. The island’s Moai accompanying the sequence appear as memento mori, a lesson in the mortality of human cultures brought about by their own misguided and short-sighted practices. Arthus-Bertrand’s Home, a film composed almost entirely of aerial photographs, bears witness to present-day environmental degradation and climate change, constructing society as a fragile structure built upon and sustained by the environment. Home is a call to recognise how contemporary practices of post-industrial societies have come to shape the environment and how they may impact the habitability of Earth in the near future. Through reflexivity and a ritualised structure the text invites spectators to look at themselves in a new light and remake their self-image in the wake of global environmental risk by embracing new, alternative core practices based on balance and interconnectedness. Arthus-Bertrand frames climate change not as a burden, but as a moment of profound realisation of the potential for change and humans ability to create a desirable future through hope and our innate capacity for renewal. This article examines how Arthus-Bertrand’s ritualised construction of climate change aims to remake viewers’ perception of present-day environmental degradation and investigates Home’s place in contemporary climate change communication discourse. Climate change, in its capacity to affect us globally, is considered a world risk. The most recent peer-reviewed Synthesis Report of the Intergovernmental Panel on Climate Change suggests that the concentration of atmospheric greenhouse gases has increased markedly since human industrialisation in the 18th century. Moreover, human activities, such as fossil fuel burning and agricultural practices, are “very likely” responsible for the resulting increase in temperature rise (IPPC 37). The increased global temperatures and the subsequent changing weather patterns have a direct and profound impact on the physical and biological systems of our planet, including shrinking glaciers, melting permafrost, coastal erosion, and changes in species distribution and reproduction patterns (Rosenzweig et al. 353). Studies of global security assert that these physiological changes are expected to increase the likelihood of humanitarian disasters, food and water supply shortages, and competition for resources thus resulting in a destabilisation of global safety (Boston et al. 1–2). Human behaviour and dominant practices of modernity are now on a path to materially impact the future habitability of our home, Earth. In contemporary post-industrial societies, however, climate change remains an elusive, intangible threat. Here, the Arctic-bound species forced to adapt to milder climates or the inhabitants of low-lying Pacific islands seeking refuge in mainland cities are removed from the everyday experience of the controlled and regulated environments of homes, offices, and shopping malls. Diverse research into the mediated and mediatised nature of the environment suggests that rather than from first-hand experiences and observations, the majority of our knowledge concerning the environment now comes from its representation in the mass media (Hamilton 4; Stamm et al. 220; Cox 2). Consequently the threat of climate change is communicated and constructed through the news media, entertainment and lifestyle programming, and various documentaries and fiction films. It is therefore the construction (the representation of the risk in various discourses) that shapes people’s perception and experience of the phenomenon, and ultimately influences behaviour and instigates social response (Beck 213). By drawing on and negotiating society’s dominant discourses, environmental mediation defines spectators’ perceptions of the human-nature relationship and subsequently their roles and responsibilities in the face of environmental risks. Maxwell Boykoff asserts that contemporary modern society’s mediatised representations of environmental degradation and climate change depict the phenomena as external to society’s primary social and economic concerns (449). Julia Corbett argues that this is partly because environmental protection and sustainable behaviour are often at odds with the dominant social paradigms of consumerism, economic growth, and materialism (175). Similarly, Rowan Howard-Williams suggests that most media texts, especially news, do not emphasise the link between social practices, such as consumerist behaviour, and their environmental consequences because they contradict dominant social paradigms (41). The demands contemporary post-industrial societies make on the environment to sustain economic growth, consumer culture, and citizens’ comfortable lives in air-conditioned homes and offices are often left unarticulated. While the media coverage of environmental risks may indeed have contributed to “critical misperceptions, misleading debates, and divergent understandings” (Boykoff 450) climate change possesses innate characteristics that amplify its perception in present-day post-industrial societies as a distant and impersonal threat. Climate change is characterised by temporal and spatial de-localisation. The gradual increase in global temperature and its physical and biological consequences are much less prominent than seasonal changes and hence difficult to observe on human time-scales. Moreover, while research points to the increased probability of extreme climatic events such as droughts, wild fires, and changes in weather patterns (IPCC 48), they take place over a wide range of geographical locations and no single event can be ultimately said to be the result of climate change (Maibach and Roser-Renouf 145). In addition to these observational obstacles, political partisanship, vested interests in the current status quo, and general resistance to profound change all play a part in keeping us one step removed from the phenomenon of climate change. The distant and impersonal nature of climate change coupled with the “uncertainty over consequences, diverse and multiple engaged interests, conflicting knowledge claims, and high stakes” (Lorenzoni et al. 65) often result in repression, rejection, and denial, removing the individual’s responsibility to act. Research suggests that, due to its unique observational obstacles in contemporary post-industrial societies, climate change is considered a psychologically distant event (Pawlik 559), one that is not personally salient due to the “perceived distance and remoteness [...] from one’s everyday experience” (O’Neill and Nicholson-Cole 370). In an examination of the barriers to behaviour change in the face of psychologically distant events, Robert Gifford argues that changing individuals’ perceptions of the issue-domain is one of the challenges of countering environmental inertia—the lack of initiative for environmentally sustainable social action (5). To challenge the status quo a radically different construction of the environment and the human-nature relationship is required to transform our perception of global environmental risks and ultimately result in environmentally consequential social action. Yann Arthus-Bertrand’s Home is a ritualised construction of contemporary environmental degradation and climate change which takes spectators on a rite of passage to a newfound understanding of the human-nature relationship. Transformation through re-imagining individuals’ roles, responsibilities, and practices is an intrinsic quality of rituals. A ritual charts a subjects path from one state of consciousness to the next, resulting in a meaningful change of attitudes (Deflem 8). Through a lifelong study of African rituals British cultural ethnographer Victor Turner refined his concept of rituals in a modern social context. Turner observed that rituals conform to a three-phased processural form (The Ritual Process 13–14). First, in the separation stage, the subjects are selected and removed from their fixed position in the social structure. Second, they enter an in-between and ambiguous liminal stage, characterised by a “partial or complete separation of the subject from everyday existence” (Deflem 8). Finally, imbued with a new perspective of the outside world borne out of the experience of reflexivity, liminality, and a cathartic cleansing, subjects are reintegrated into the social reality in a new, stable state. The three distinct stages make the ritual an emotionally charged, highly personal experience that “demarcates the passage from one phase to another in the individual’s life-cycle” (Turner, “Symbols” 488) and actively shapes human attitudes and behaviour. Adhering to the three-staged processural form of the ritual, Arthus-Bertrand guides spectators towards a newfound understanding of their roles and responsibilities in creating a desirable future. In the first stage—the separation—aerial photography of Home alienates viewers from their anthropocentric perspectives of the outside world. This establishes Earth as a body, and unearths spectators’ guilt and shame in relation to contemporary world risks. Aerial photography strips landscapes of their conventional qualities of horizon, scale, and human reference. As fine art photographer Emmet Gowin observes, “when one really sees an awesome, vast place, our sense of wholeness is reorganised [...] and the body seems always to diminish” (qtd. in Reynolds 4). Confronted with a seemingly infinite sublime landscape from above, the spectator’s “body diminishes” as they witness Earth’s body gradually taking shape. Home’s rushing rivers of Indonesia are akin to blood flowing through the veins and the Siberian permafrost seems like the texture of skin in extreme close-up. Arthus-Bertrand establishes a geocentric embodiment to force spectators to perceive and experience the environmental degradation brought about by the dominant social practices of contemporary post-industrial modernity. The film-maker visualises the maltreatment of the environment through suggested abuse of the Earth’s body. Images of industrial agricultural practices in the United States appear to leave scratches and scars on the landscape, and as a ship crosses the Arctic ice sheets of the Northwest Passage the boat glides like the surgeon’s knife cutting through the uppermost layer of the skin. But the deep blue water that’s revealed in the wake of the craft suggests a flesh and body now devoid of life, a suffering Earth in the wake of global climatic change. Arthus-Bertrand’s images become the sublime evidence of human intervention in the environment and the reflection of present-day industrialisation materially altering the face of Earth. The film-maker exploits spectators’ geocentric perspective and sensibility to prompt reflexivity, provide revelations about the self, and unearth the forgotten shame and guilt in having inadvertently caused excessive environmental degradation. Following the sequences establishing Earth as the body of the text Arthus-Bertrand returns spectators to their everyday “natural” environment—the city. Having witnessed and endured the pain and suffering of Earth, spectators now gaze at the skyscrapers standing bold and tall in the cityscape with disillusionment. The pinnacles of modern urban development become symbols of arrogance and exploitation: structures forced upon the landscape. Moreover, the images of contemporary cityscapes in Home serve as triggers for ritual reflexivity, allowing the spectator to “perceive the self [...] as a distanced ‘other’ and hence achieve a partial ‘self-transcendence’” (Beck, Comments 491). Arthus-Bertrand’s aerial photographs of Los Angeles, New York, and Tokyo fold these distinct urban environments into one uniform fusion of glass, metal, and concrete devoid of life. The uniformity of these cultural landscapes prompts spectators to add the missing element: the human. Suddenly, the homes and offices of desolate cityscapes are populated by none other than us, looking at ourselves from a unique vantage point. The geocentric sensibility the film-maker invoked with the images of the suffering Earth now prompt a revelation about the self as spectators see their everyday urban environments in a new light. Their homes and offices become blemishes on the face of the Earth: its inhabitants, including the spectators themselves, complicit in the excessive mistreatment of the planet. The second stage of the ritual allows Arthus-Bertrand to challenge dominant social paradigms of present day post-industrial societies and introduce new, alternative moral directives to govern our habits and attitudes. Following the separation, ritual subjects enter an in-between, threshold stage, one unencumbered by the spatial, temporal, and social boundaries of everyday existence. Turner posits that a subjects passage through this liminal stage is necessary to attain psychic maturation and successful transition to a new, stable state at the end of the ritual (The Ritual Process 97). While this “betwixt and between” (Turner, The Ritual Process 95) state may be a fleeting moment of transition, it makes for a “lived experience [that] transforms human beings cognitively, emotionally, and morally.” (Horvath et al. 3) Through a change of perceptions liminality paves the way toward meaningful social action. Home places spectators in a state of liminality to contrast geocentric and anthropocentric views. Arthus-Bertrand contrasts natural and human-made environments in terms of diversity. The narrator’s description of the “miracle of life” is followed by images of trees seemingly defying gravity, snow-covered summits among mountain ranges, and a whale in the ocean. Grandeur and variety appear to be inherent qualities of biodiversity on Earth, qualities contrasted with images of the endless, uniform rectangular greenhouses of Almeria, Spain. This contrast emphasises the loss of variety in human achievements and the monotony mass-production brings to the landscape. With the image of a fire burning atop a factory chimney, Arthus-Bertrand critiques the change of pace and distortion of time inherent in anthropocentric views, and specifically in contemporary modernity. Here, the flames appear to instantly eat away at resources that have taken millions of years to form, bringing anthropocentric and geocentric temporality into sharp contrast. A sequence showing a night time metropolis underscores this distinction. The glittering cityscape is lit by hundreds of lights in skyscrapers in an effort, it appears, to mimic and surpass daylight and thus upturn the natural rhythm of life. As the narrator remarks, in our present-day environments, “days are now the pale reflections of nights.” Arthus-Bertrand also uses ritual liminality to mark the present as a transitory, threshold moment in human civilisation. The film-maker contrasts the spectre of our past with possible visions of the future to mark the moment of now as a time when humanity is on the threshold of two distinct states of mind. The narrator’s descriptions of contemporary post-industrial society’s reliance on non-renewable resources and lack of environmentally sustainable agricultural practices condemn the past and warn viewers of the consequences of continuing such practices into the future. Exploring the liminal present Arthus-Bertrand proposes distinctive futurescapes for humankind. On the one hand, the narrator’s description of California’s “concentration camp style cattle farming” suggests that humankind will live in a future that feeds from the past, falling back on frames of horrors and past mistakes. On the other hand, the example of Costa Rica, a nation that abolished its military and dedicated the budget to environmental conservation, is recognition of our ability to re-imagine our future in the face of global risk. Home introduces myths to imbue liminality with the alternative dominant social paradigm of ecology. By calling upon deep-seated structures myths “touch the heart of society’s emotional, spiritual and intellectual consciousness” (Killingsworth and Palmer 176) and help us understand and come to terms with complex social, economic, and scientific phenomena. With the capacity to “pattern thought, beliefs and practices,” (Maier 166) myths are ideal tools in communicating ritual liminality and challenging contemporary post-industrial society’s dominant social paradigms. The opening sequence of Home, where the crescent Earth is slowly revealed in the darkness of space, is an allusion to creation: the genesis myth. Accompanied only by a gentle hum our home emerges in brilliant blue, white, and green-brown encompassing most of the screen. It is as if darkness and chaos disintegrated and order, life, and the elements were created right before our eyes. Akin to the Earthrise image taken by the astronauts of Apollo 8, Home’s opening sequence underscores the notion that our home is a unique spot in the blackness of space and is defined and circumscribed by the elements. With the opening sequence Arthus-Bertrand wishes to impart the message of interdependence and reliance on elements—core concepts of ecology. Balance, another key theme in ecology, is introduced with an allusion to the Icarus myth in a sequence depicting Dubai. The story of Icarus’s fall from the sky after flying too close to the sun is a symbolic retelling of hubris—a violent pride and arrogance punishable by nemesis—destruction, which ultimately restores balance by forcing the individual back within the limits transgressed (Littleton 712). In Arthus-Bertrand’s portrayal of Dubai, the camera slowly tilts upwards on the Burj Khalifa tower, the tallest human-made structure ever built. The construction works on the tower explicitly frame humans against the bright blue sky in their attempt to reach ever further, transgressing their limitations much like the ill-fated Icarus. Arthus-Bertrand warns that contemporary modernity does not strive for balance or moderation, and with climate change we may have brought our nemesis upon ourselves. By suggesting new dominant paradigms and providing a critique of current maxims, Home’s retelling of myths ultimately sees spectators through to the final stage of the ritual. The last phase in the rite of passage “celebrates and commemorates transcendent powers,” (Deflem 8) marking subjects’ rebirth to a new status and distinctive perception of the outside world. It is at this stage that Arthus-Bertrand resolves the emotional distress uncovered in the separation phase. The film-maker uses humanity’s innate capacity for creation and renewal as a cathartic cleansing aimed at reconciling spectators’ guilt and shame in having inadvertently exacerbated global environmental degradation. Arthus-Bertrand identifies renewable resources as the key to redeeming technology, human intervention in the landscape, and finally humanity itself. Until now, the film-maker pictured modernity and technology, evidenced in his portrayal of Dubai, as synonymous with excess and disrespect for the interconnectedness and balance of elements on Earth. The final sequence shows a very different face of technology. Here, we see a mechanical sea-snake generating electricity by riding the waves off the coast of Scotland and solar panels turning towards the sun in the Sahara desert. Technology’s redemption is evidenced in its ability to imitate nature—a move towards geocentric consciousness (a lesson learned from the ritual’s liminal stage). Moreover, these human-made structures, unlike the skyscrapers earlier in the film, appear a lot less invasive in the landscape and speak of moderation and union with nature. With the above examples Arthus-Bertrand suggests that humanity can shed the greed that drove it to dig deeper and deeper into the Earth to acquire non-renewable resources such as oil and coal, what the narrator describes as “treasures buried deep.” The incorporation of principles of ecology, such as balance and interconnectedness, into humanity’s behaviour ushers in reconciliation and ritual cleansing in Home. Following the description of the move toward renewable resources, the narrator reveals that “worldwide four children out of five attend school, never has learning been given to so many human beings” marking education, innovation, and creativity as the true inexhaustible resources on Earth. Lastly, the description of Antarctica in Home is the essence of Arthus-Bertrand’s argument for our innate capacity to create, not simply exploit and destroy. Here, the narrator describes the continent as possessing “immense natural resources that no country can claim for itself, a natural reserve devoted to peace and science, a treaty signed by 49 nations has made it a treasure shared by all humanity.” Innovation appears to fuel humankind’s transcendence to a state where it is capable of compassion, unification, sharing, and finally creating treasures. With these examples Arthus-Bertrand suggests that humanity has an innate capacity for creative energy that awaits authentic expression and can turn humankind from destroyer to creator. In recent years various risk communication texts have explicitly addressed climate change, endeavouring to instigate environmentally consequential social action. Home breaks discursive ground among them through its ritualistic construction which seeks to transform spectators’ perception, and in turn roles and responsibilities, in the face of global environmental risks. Unlike recent climate change media texts such as An Inconvenient Truth (2006), The 11th Hour (2007), The Age of Stupid (2009), Carbon Nation (2010) and Earth: The Operator’s Manual (2011), Home eludes simple genre classification. On the threshold of photography and film, documentary and fiction, Arthus-Bertrand’s work is best classified as an advocacy film promoting public debate and engagement with a universal concern—the state of the environment. The film’s website, available in multiple languages, contains educational material, resources to organise public screenings, and a link to GoodPlanet.info: a website dedicated to environmentalism, including legal tools and initiatives to take action. The film-maker’s approach to using Home as a basis for education and raising awareness corresponds to Antonio Lopez’s critique of contemporary mass-media communications of global risks. Lopez rebukes traditional forms of mediatised communication that place emphasis on the imparting of knowledge and instead calls for a participatory, discussion-driven, organic media approach, akin to a communion or a ritual (106). Moreover, while texts often place a great emphasis on the messenger, for instance Al Gore in An Inconvenient Truth, Leonardo DiCaprio in The 11th Hour, or geologist Dr. Richard Alley in Earth: The Operator’s Manual, Home’s messenger remains unseen—the narrator is only identified at the very end of the film among the credits. The film-maker’s decision to forego a central human character helps dissociate the message from the personality of the messenger which aids in establishing and maintaining the geocentric sensibility of the text. Finally, the ritual’s invocation and cathartic cleansing of emotional distress enables Home to at once acknowledge our environmentally destructive past habits and point to a hopeful, environmentally sustainable future. While The Age of Stupid mostly focuses on humanity’s present and past failures to respond to an imminent environmental catastrophe, Carbon Nation, with the tagline “A climate change solutions movie that doesn’t even care if you believe in climate change,” only explores the potential future business opportunities in turning towards renewable resources and environmentally sustainable practices. The three-phased processural form of the ritual allows for a balance of backward and forward-looking, establishing the possibility of change and renewal in the face of world risk. The ritual is a transformative experience. As Turner states, rituals “interrupt the flow of social life and force a group to take cognizance of its behaviour in relation to its own values, and even question at times the value of those values” (“Dramatic Ritual” 82). Home, a ritualised media text, is an invitation to look at our world, its dominant social paradigms, and the key element within that world—ourselves—with new eyes. It makes explicit contemporary post-industrial society’s dependence on the environment, highlights our impact on Earth, and reveals our complicity in bringing about a contemporary world risk. The ritual structure and the self-reflexivity allow Arthus-Bertrand to transform climate change into a personally salient issue. This bestows upon the spectator the responsibility to act and to reconcile the spectre of the past with the vision of the future.Acknowledgments The author would like to thank Dr. Angi Buettner whose support, guidance, and supervision has been invaluable in preparing this article. 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