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Готові списки джерел за темами / Cirral behaviors

Добірка наукової літератури з теми "Cirral behaviors"

Автор: Grafiati

Опубліковано: 13 квітня 2024

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Статті в журналах з теми "Cirral behaviors":

1

Silverman, Harold, Julie S. Cherry, John W. Lynn, Thomas H. Dietz, S. J. Nichols, and Eric Achberger. "Clearance of laboratory-cultured bacteria by freshwater bivalves: differences between lentic and lotic unionids." Canadian Journal of Zoology 75, no. 11 (November 1, 1997): 1857–66. http://dx.doi.org/10.1139/z97-815.

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Nine species of unionids cleared laboratory-raised Escherichia coli from artificial pond water. The six unionid species collected from rivers had higher clearance rates than the three species collected from ponds, when clearance was normalized to millilitres per gram of dry tissue mass per minute. Analysis of variance indicated that all lotic unionids examined form a group with similar clearance rates. When normalized on the basis of gill surface area, rates of clearance by all of the lotic unionids become remarkably similar to one another regardless of mass, but differ significantly from those of the lentic unionids. The cirri found on the laterofrontal cells of the gills of lotic unionids tend to be complex, containing > 25 cilia per cirral plate, while the cirri of the unionid species collected from ponds have smaller cirri (< 16 cilia per cirral plate). There was a strong correlation between cirral surface area (mm2) per milligram of dry tissue and clearance rate among the unionid species studied. As a comparison, Corbicula fluminea and Dreissena polymorpha were also examined and both tended to clear bacteria more rapidly than the lotic unionids.

2

Verhoeff, Tristan Joseph. "The molecular phylogeny of cirrate octopods (Cephalopoda: Octopoda: Cirrata) using COI and 16S sequences." Folia Malacologica 31, no. 4 (November 23, 2023): 175–96. http://dx.doi.org/10.12657/folmal.031.026.

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Contrasting accounts of taxonomic relationships between finned octopod (Octopoda: Cirrata) taxa complicate species identification and generate nomenclatural instability. A comprehensive analysis based on both 16S and COI mitochondrial gene phylogenies is presented, using all currently accepted genera and approximately 27 putative species (including type species for all genera excepting Grimpoteuthis). The goal of this is to stabilise the concepts of genera and families and identify areas needing further systematic research. Four well supported clades are consistent with families Cirroteuthidae, Cirroctopodidae, Grimpoteuthididae, and Opisthoteuthidae across both 16S and COI phylogenies. Family Stauroteuthidae resolves as a sister clade to Cirroteuthidae in some analyses of the COI gene. Combined molecular and morphological similarities suggest that the Cirrata comprises two superfamily level clades, for which Cirroteuthoidea (for Cirroteuthidae and Stauroteuthidae) and Opisthoteuthoidea (for Cirroctopodidae, Grimpoteuthididae, and Opisthoteuthidae) are proposed. The paraphyletic Cirrothauma (Cirroteuthidae) contains at least three species, while within the Grimpoteuthididae, Cryptoteuthis and Luteuthis form clades within a paraphyletic Grimpoteuthis clade, indicating a need for further taxonomic assessment. Intra-clade structure within Opisthoteuthis is better resolved with COI than 16S data. At least one potentially undescribed Opisthoteuthis occurs in the northwestern Pacific, and northeastern Pacific specimens are tentatively referred to O. bruuni, representing a significant range expansion. Lastly, using the dates of fossil stem-Octobrachians and fossil cirrates for approximate calibration, a timetree estimated from COI gene data suggests that these cirrate families and most cirrate genera arose within the Late Cretaceous, possibly as part of the Mesozoic marine revolution, between 124−62 million years ago.

3

Hu, Xiaozhong, Yangbo Fan, and Alan Warren. "New record of Apoholosticha sinica (Ciliophora, Urostylida) from the UK: morphology, 18S rRNA gene phylogeny and notes on morphogenesis." International Journal of Systematic and Evolutionary Microbiology 65, Pt_8 (August 1, 2015): 2549–61. http://dx.doi.org/10.1099/ijs.0.000301.

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The benthic urostylid ciliate Apoholosticha sinica Fan et al., 2014 was isolated from a salt marsh at Blakeney, UK, and reinvestigated using light microscopy and small-subunit rRNA gene sequencing. Morphologically, it corresponds well with the original description. Several stages of divisional morphogenesis and physiological reorganization were also observed from which the following could be deduced: (i) the oral apparatus is completely newly built in the proter; (ii) frontal-ventral-transverse cirral anlage II does not produce a buccal cirrus; (iii) each of the posteriormost three or four anlagen contributes one transverse cirrus at its posterior end; (iv) a row of frontoterminal cirri originates from the rearmost frontal-ventral-transverse cirral anlage; (v) the last midventral row is formed from the penultimate frontal-ventral-transverse cirral anlage. Based on new data, two diagnostic features were added to the genus definition: (i) the midventral complex is composed of midventral pairs and midventral row and (ii) pretransverse ventral cirri are absent. Based on a combination of morphological and morphogenetic data, the genus Apoholosticha is assigned to the recently erected subfamily Nothoholostichinae Paiva et al., 2014, which is consistent with sequence comparison and phylogenetic analyses based on SSU rRNA gene data. It is also concluded that this benthic species, previously reported only from China, is not an endemic form.

4

Chen, Xumiao, Miao Miao, Honggang Ma, Chen Shao, and Khaled A. S. Al-Rasheid. "Morphology, morphogenesis and small-subunit rRNA gene sequence of the novel brackish-water ciliate Strongylidium orientale sp. nov. (Ciliophora, Hypotrichia)." International Journal of Systematic and Evolutionary Microbiology 63, Pt_3 (March 1, 2013): 1155–64. http://dx.doi.org/10.1099/ijs.0.048157-0.

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A novel stichotrich ciliate, Strongylidium orientale sp. nov., was discovered from a mangrove river in Hong Kong, southern China, and its morphology was investigated through observations in vivo and after protargol impregnation. Cells are 80–120×35–50 µm in vivo and fusiform in shape, with rounded anterior and tapered posterior ends. It is characterized by its brackish habitat and by the presence of two types of cortical granules arranged irregularly throughout the cortex. Morphogenetic events of cell division and physiological reorganization are described. The main ontogenetic features were: (i) only the posterior portion of the parental adoral zone of membranelles was renewed by dedifferentiation of the old structures; (ii) the oral primordium in the opisthe occurred apokinetally; (iii) the left and right ventral rows originated intrakinetally and the final left ventral row was spliced from two cirri from the frontoventral cirral anlage, a short cirral row from the anlage for the right ventral row and a long cirral row which was formed from the whole anlage of the left ventral row; (iv) the marginal rows developed intrakinetally; (v) the dorsal kineties replicated entirely de novo and did not fragment; and (vi) the two macronuclear nodules fused into a mass and then divided. Based on small-subunit rRNA gene sequences, phylogenetic analyses showed a close relationship with its congener Strongylidium pseudocrassum and with the genus Pseudouroleptus.

5

Paiva, Thiago da Silva, Bárbara do Nascimento Borges, Inácio Domingos da Silva-Neto, and Maria Lúcia Harada. "Morphology and 18S rDNA phylogeny of Hemicycliostyla sphagni (Ciliophora, Hypotricha) from Brazil with redefinition of the genus Hemicycliostyla." International Journal of Systematic and Evolutionary Microbiology 62, no. 1 (January 1, 2012): 229–41. http://dx.doi.org/10.1099/ijs.0.031237-0.

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Morphology of the urostylid ciliate Hemicycliostyla sphagni Stokes, 1886, the type of Hemicycliostyla Stokes, 1886, is investigated based on live and protargol-impregnated specimens from a Brazilian population. The absence of transverse cirri, which has been considered the main diagnostic feature of Hemicycliostyla, separating it from Pseudourostyla Borror, 1972, was found to vary within the studied population, with 50 % of the specimens exhibiting inconspicuous and/or rudimentary transverse cirri. A redefinition of Hemicycliostyla was possible based on combined features of interphase and divisional morphogenesis: Retroextendia Berger, 2006, with bi- or multicoronal frontal cirral pattern; fronto-terminal cirri present; multiple left and right marginal cirral rows that replicate independently via within-row development, each parental row producing one primordium per divider; caudal cirri lacking; and presence/absence of transverse cirri may be intrapopulationally variable. Phylogenetic analyses of the 18S rDNA marker unambiguously placed H. sphagni as sister group of Pseudourostyla franzi Foissner, 1987, which is herein transferred to Hemicycliostyla as Hemicycliostyla franzi comb. nov.

6

DA SILVA PAIVA, THIAGO, and INÁCIO DOMINGOS DA SILVA-NETO. "Morphology and morphogenesis of Strongylidium pseudocrassum Wang and Nie, 1935, with redefinition of Strongylidium Sterki, 1878 (Protista: Ciliophora: Stichotrichia)." Zootaxa 1559, no. 1 (August 24, 2007): 31–57. http://dx.doi.org/10.11646/zootaxa.1559.1.2.

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A population of the rare species Strongylidium pseudocrassum Wang and Nie, 1935, was discovered from a lagoon in the northern region of Rio de Janeiro, Brazil, and its morphology was investigated through protargol-impregnation, scanning electron microscopy and in vivo observations. Morphogenetic events of cell division and physiological reorganization were described for the first time to this species. It was found that S. pseudocrassum has the ventral cirral rows organized in the same manner as Pseudouroleptus caudatus Hemberger, 1985. However two independent primordia VI, one for the proter and other for the opisthe, are generated intrakinetally from the rightmost ventral cirral row. In addition, dorsal kineties replicate entirely “de novo” and do not fragment. Based on the data obtained, the genus Strongylidium was redefined and the species currently assigned to it were classified into five groups according to current knowledge on their ciliature and the combination S. lentum (Biernacka, 1963) nov. comb. is proposed.

7

SEILACHER, ADOLF, and COPELAND MACCLINTOCK. "Crinoid Anchoring Strategies for Soft-Bottom Dwelling." PALAIOS 20, no. 3 (June 1, 2005): 224–40. http://dx.doi.org/10.2110/palo.2003.p03-70.

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Abstract During the geologic history of crinoids, many groups have modified their distal stems to function as anchors in soft sediments, but more so in the Paleozoic than in later times. Major strategies were passively implanting anchors, cirral root systems, coils, and stemless reclining. In Paleozoic roots, the stereom usually consists of crystallographically individualized ossicles, but articulations may be hidden by a tough cuticle that protected the living tissue of immersed parts and stiffened them with cortical stereom. Post-Paleozoic representatives produced similar anchoring structures by different fabricational pathways, including non-articulated root systems.

8

Gilman, Sarah E., Shelly Chen, and Jennifer W. H. Wong. "Oxygen consumption in relation to body size, wave exposure, and cirral beat behavior in the barnacle Balanus glandula." Journal of Crustacean Biology 33, no. 3 (January 1, 2013): 317–22. http://dx.doi.org/10.1163/1937240x-00002147.

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9

Geierman, Christina, and Richard Emlet. "Feeding behavior, cirral fan anatomy, Reynolds numbers, and leakiness of Balanus glandula, from post-metamorphic juvenile to the adult." Journal of Experimental Marine Biology and Ecology 379, no. 1-2 (October 2009): 68–76. http://dx.doi.org/10.1016/j.jembe.2009.08.003.

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10

Pfeiffer, C. J., and K. J. Lowe. "Cirral Structure of the Pedunculated Marine BarnacleLepas anatiferaL. (Crustacea, Cirripedia) - I. Ultrastructure of the Neuromuscular Apparatus." Acta Zoologica 70, no. 4 (December 1989): 243–52. http://dx.doi.org/10.1111/j.1463-6395.1989.tb00937.x.

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Більше джерел

Дисертації з теми "Cirral behaviors":

1

Delaeter, Camille. "Impact des lixiviats de bioplastiques et plastiques conventionnels sur les organismes benthiques intertidaux : une approche comportementale." Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILR065.

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Le comportement joue un rôle crucial dans la survie des organismes en leur permettant de s'adapter à leur environnement particulièrement variable. De nos jours, les réponses comportementales des organismes aux changements environnementaux doivent faire face à des défis sans précédents en raison des changements rapides et néfastes provoqués par l'ère Anthropique. En particulier, la pollution plastique se distingue comme l'une des préoccupations les plus pressantes dans les habitats marins. Au-delà des dommages physiques évidents, les plastiques peuvent libérer un cocktail nocif de molécules chimiques, compromettant les organismes marins à de nombreux niveaux. Liant les individus au fonctionnement des écosystèmes et aux processus évolutifs, le comportement des organismes reste cependant peu étudié dans la littérature sur l'impact des lixiviats de plastique. Ce travail de thèse vise à combler les lacunes existantes dans la littérature en ce qui concerne les organismes et les polymères étudiés. Après une revue approfondie de la littérature, ce travail se concentre sur l'étude de l'impact des lixiviats de plastique, issus de bio-polymères et de polymères conventionnels sur les comportements liés à l'anxiété chez le crabe Hemigrapsus sanguineus, les comportements de déplacement du foraminifère Haynesina germanica et les comportements cirraux de la balane Austromonius modestus. Les résultats révèlent des modifications significatives de ces comportements, qui dépendent de l'espèce, du type de polymère et de la concentration des lixiviats, et compromettent l'équilibre délicat de l'écosystème. Notamment, le lixiviat de bio- polymère entraine des altérations comportementales similaires, voire plus prononcées, que ceux issus de polymères conventionnels, soulevant des inquiétudes significatives quant à la sécurité environnementale des alternatives aux plastiques
Behaviors play a pivotal role in organisms' survival, enabling organisms to cope with their ever-changing environment. Nowadays, adaptive behavioral responses to environmental changes face unprecedented challenges due to the rapid and detrimental effects of the Anthropocene era. Noticeably, plastic pollution stands out as one of the most pressing concerns in marine habitats. Beyond causing conspicuous physical damages, plastics may leach a cocktail of harmful chemicals impairing marine organisms at various levels. Despite its role in connecting individuals to ecosystem functioning and evolutionary processes, organism behavior remains scarcely studied in the plastic leachate literature. This PhD thesis aims at to address the gaps in existing literature concerning the organisms and polymers considered. After an extensive review of the plastic leachate literature, this work focuses on investigating the impact of plastic leachates from both bio and conventional polymers on the anxiety-related behaviors of the crab Hemigrapsus sanguineus, the motion behaviors of the foraminifera Haynesina germanica and the cirral activity of the barnacle Austrominius modestus. The results reveal significant modifications in behaviors, highlighting species, polymer and dose dependencies, posing a threat to the delicate ecosystem balance. Noticeably, the biopolymer leachate results in similar or even more behavioral alterations than leachates from conventional polymers, raising significant concerns about the environmental safety of plastic alternatives

2

Geierman, Christina. "Barnacle feeding : comparing cirral anatomy, feeding behavior, Reynolds numbers, and cirral fan leakiness across three size classes of three species of common acorn barnacles /." Connect to title online (Scholars' Bank), 2007. http://hdl.handle.net/1794/6003.

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3

Geierman, Christina 1982. "Barnacle Feeding: Comparing Cirral Anatomy, Feeding Behavior, Reynolds Numbers, and Cirral Fan Leakiness Across Three Size Classes of Three Species of Common Acorn Barnacles." Thesis, University of Oregon, 2007. http://hdl.handle.net/1794/6003.

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xv, 97 p. : ill. A print copy of this title is available through the UO Libraries under the call numbers: SCIENCE QL444.C58 G45 2007
This thesis investigated feeding behavior, cirral anatomy, Reynolds numbers (Re's), and leakiness of the cirral fan for three barnacle species: Balanus glandula, Semibalanus cariosus, and Balanus nubilus. A study of the feeding of B. glandula revealed that newly-metamorphosed juveniles fed at Re's less than one and their cirral fan leakiness was <5% at current speeds of 4 cm/s. At this speed, large and medium individuals fed at Re's near unity, and their cirral fans were 6.8±O.7% leaky. The experiments were repeated using S. cariosus and B. nubilus with the same tissue mass as B. glandula. No clear species-specific or size-specific trends were identified in these species. The observed switch from low to high Re feeding in B. glandula may indicate a lower limit to the size of this species, if further research confirms low Re feeding is less efficient and field current velocities are sufficiently low.
Adviser: Richard Emlet

4

Cirja, Magdalena [Verfasser]. "Studies on the behaviour of endocrine disrupting compounds in a membrane bioreactor / vorgelegt von Magdalena Cirja." 2007. http://d-nb.info/987891944/34.

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5

Puig, Stephanie Villalta. "British medical and imperial ideology in China : circa 1840s-1890s." Phd thesis, 2008. http://hdl.handle.net/1885/151754.

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6

NYHAN, Miriam. "Comparing Irish migrants and county associations in New York and London : a cross-cultural analysis of migrant experiences and associational behaviour circa 1946-1961." Doctoral thesis, 2008. http://hdl.handle.net/1814/12587.

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Defence date: 15 December 2008
Examining Board: Prof. E.A. Rees (EUI) - supervisor Prof. J.J. Lee (NYU) Prof. Gearóid Ó Tuathaigh (NUI Galway) Prof. Kiran Patel (EUI)
PDF of thesis uploaded from the Library digital archive of EUI PhD theses
This study significantly broadens our understanding of the migration process by placing a form of associational behavior in the wider historical context of leaving one country and settling in one of two destinations, in the decade and a half after World War II. Taking the Irish as a case-study, the aim is to explore the impact that choosing New York over London had, in how migrants made the transition from the homeland and adapted to migrant life. The focus on county associations, common to both cities, facilitates a comparative level of analysis. These associations allow us to excavate experiences in a way that sheds light on migrant responses on the individual level and in a collective sense, and in this way it is an innovative way of presenting the history of ethnic communities. A combination of written material and oral sources allows for the presentation of specific characteristics which impacted on experiences. It shows how the different histories of Irish migration to New York and London, the geopolitical influences and the roles of socio-political dynamics all shaped how the Irish responded to the environments in which they found themselves. Through these associations, we see an ethnic community adapting a structure to recreate a semblance of what life was like in the homeland. The comparative frameworks provided a means of highlighting the similarities and divergences between the locations. The narrative shows that while county associations were broadly similar in terms of their format and membership profiles, the environments in which they operated diverged significantly and this variation reflects the tension that has differentiated Irish London from Irish New York for at least the latter half of the twentieth century. This study makes an important contribution to the Irish diaspora history. More importantly however, this thesis provides a case-study which broadens our understanding of, and approach to, documenting migrant experiences. It does this by presenting factors that shape associational practices in migrant communities and by demonstrating how associational behavior has implications for issues like identity and allegiance.

Частини книг з теми "Cirral behaviors":

1

Labbani-Igbida, Ouiddad, Jean-Pierre Willer, and Alain Bourjault. "Cirta: An emergentist methodology to design and evaluate collective behaviours in robots' colonies." In Collective Robotics, 72–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/bfb0033375.

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2

Paolo Tamburelli, Pier. "As a Snake Sheds its Skin." In Architekturen, 103–20. Bielefeld, Germany: transcript Verlag, 2022. http://dx.doi.org/10.14361/9783839461112-006.

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Among the ruins of ancient Rome Bramante found the pieces he needed to assemble a much more rigorous system of forms than the one known to him in Milan. His repertoire changed, the solutions typical of the Lombard period were abandoned. This change of style is perhaps the most striking aspect of Bramante's artistic production and has not failed to attract the attention of historians of architecture. To understand his work it is necessary to start from right here, from this glaring fact-and a fairly unusual one with respect to the kind of behavior that, after centuries of romantic idolizing of the self, we tend to expect from an artist. And yet these choices were fully conscious, as is evident from an unequivocal passage in a letter from Guglielmo della Porta to Bartolomeo Ammannati (circa 1560): »Bramante asserted that anyone who came to Rome to practise as an architect had to strip himself, as a snake sheds its skin, of everything he had learned elsewhere, and he proved this himself with his own example, saying that before he saw this city he used to think himself an excellent painter and architect, but that after practising for many years he became aware of his error, and this was the reason that, after having drawn a great number of the buildings of ancient Rome, of Tivoli, of Praeneste, and many other places, studying, noting and learning something new every day, he opened the way to the good and regulated architecture of antiquity.« It is precisely the shedding of skin that took place in the move from Milan to Rome which we need to take as the starting point in our observation of Bramante's work. Just what changed? And what did not change?

3

Sundqvist, Hilding. "On Cirrus Modeling for General Circulation and Climate Models." In Cirrus. Oxford University Press, 2002. http://dx.doi.org/10.1093/oso/9780195130720.003.0018.

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Cirrus clouds are significant regulators of the earth's radiation budget. Cirrus generally have low ice water content, leading to partial transparency to radiation, and a variety of ice crystal types constitutes the cloud. As a consequence, cirrus have complex optical qualities, which are discussed in other chapters of this book. In this chapter, I discuss the appearance and behavior of the cirrus clouds per se and discuss approaches to include those features in numerical models by parameterization. The number of general circulation models (GCMs) containing physically based parameterizations of cloud processes with prognostic equations for water/ice content increased remarkably during the 1990s. Model simulations of the general circulation of the atmosphere have shown a pronounced sensitivity to modeled optical properties of cirrus (e.g., Ramanathan et al. 1983; Senior and Mitchell 1993; Mitchell 1994b; Fowler and Randall 1996a,b; Kristjansson et al. 1998). Most studies with GCMs and climate models have focused on features of radiation and energy budgets and the modulation of these budgets as a consequence of changes in cloudiness quality or other conditions. Much less attention has been paid to the characteristics and realism of the model cloudiness itself (e.g., Liou 1992). Only meager discussions are generally found on these topics from studies in this context. In most cases, zonally averaged and/or bird's-eyeview cloudiness are reported. The reason for this is the sparseness of observational data, which makes it difficult to conduct a detailed verification of the simulated cloud fields. Many papers on model experimentation on this topic do indeed contain statements that uncertainties in cloud behavior constitute a severe weakness of the simulations (Senior and Mitchell 1993; Mitchell 1994). It is also emphasized that substantial improvement in our understanding of the behavior of clouds (not least cirrus) is required for satisfactory confidence in simulations of different climate scenarios. The critical need for high-accuracy measurements of upper-tropospheric water vapor is emphasized for example, in a paper by Stephens et al. (1996) discussing satellite measurements of water vapor. Clouds also have an indirect effect on climatology because their appearance and disappearance (evaporation) modulate the distribution of water vapor in the atmosphere.

4

Collins, Martin, and Roger Villanueva. "Taxonomy, Ecology And Behaviour Of The Cirrate Octopods." In Oceanography and Marine Biology, 277–322. CRC Press, 2006. http://dx.doi.org/10.1201/9781420006391.ch6.

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5

"TAXONOMY, ECOLOGY AND BEHAVIOUR OF THE CIRRATE OCTOPODS." In Oceanography and Marine Biology, 289–334. CRC Press, 2006. http://dx.doi.org/10.1201/9781420006391-9.

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6

"Island in the Stream: Oceanography and Fisheries of the Charleston Bump." In Island in the Stream: Oceanography and Fisheries of the Charleston Bump, edited by Michael Vecchione. American Fisheries Society, 2001. http://dx.doi.org/10.47886/9781888569230.ch9.

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<em>Abstract.</em>—Recent observations from trawling and submersibles have shown several species of cephalopods to be common in slope-waters of the western North Atlantic Ocean. The slope-water cephalopods include the commercially-important genus <em> Illex</em>, taxonomy of which remains troubling in the area off Charleston because of the possibility that <em> I. oxygonius </em>is a hybrid. Other common species include another ommastrephid <em> Ornithoteuthis antillarum</em>, single species of <em> Mastigoteuthis</em>, <em> Brachioteuthis</em>, and <em> Pholidoteuthis</em>, several cranchiids, histioteuthids, and sepiolids, two octopodids, the pelagic incirrate octopod <em> Haliphron atlanticus</em>, and the cirrate octopod <em> Stauroteuthis syrtensis</em>. Behavior and distribution of these species contrast with those of truly open-ocean cephalopods, which also are present in slope waters. In-situ observations have shown that several of the squids are more strongly associated with the bottom than was previously supposed and that many of the slope-water cephalopods exhibit unexpected behaviors.

7

Jackson Oliveira de Andrade, Michael. "Circadian Sensation and Visual Perception." In Circadian Rhythm - New Insights Into the Physiological and Pathological Implications [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.100591.

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The physiology of living beings presents oscillations that are known as biological rhythms. The most studied rhythm is called circadian (circa = circa, dies = day), because it varies with a period close to 24h. Most functions of the body have circadian variations, one can mention, for example, metabolism, body temperature, the activity of the nervous system, secretion of hormones such as melatonin and cortisol. Circadian rhythms were also found in human behavior, for example: in sensory activity, motor activity, reaction time, visual perception, auditory perception, time perception, attention, memory, arithmetic calculus, and executive functions. The present work reviews the visual path that participates in the synchronization of circadian rhythms, as well as the evidence that exists about the presence of circadian rhythms in the sensation and visual perception of the human being.

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Ladwig, Karl-Heinz, Natalia Erazo, and Karoline Lukaschek. "Prevention of metropolitan and railway suicide." In Oxford Textbook of Suicidology and Suicide Prevention, edited by Danuta Wasserman and Camilla Wasserman, 725–32. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780198834441.003.0081.

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Railway suicides account for less than 10% of all suicides and are considered a major public health issue because of their consequences for the operation of the transportation system and their deteriorating impact on staff and bystanders. Behaviour patterns include jumping, lying, wandering, and deviant behaviour prodromal to the attempt. Case fatality is 90% of all attempts (railway) or circa 60% (metro). Victims are predominately male and young, with a median age stratum in the range of 25–34 years. The weekly distribution shows a peak at the beginning of the week and a low on weekends. Preventive measures include inhibiting access to the track (e.g. barriers at places of advanced risk or surveillance systems), inhibiting media coverage, or education of gatekeepers to increase awareness, and skilfulness in contact with vulnerable subjects. Railway suicide prevention is a realistic option; however, further research is urgently needed.

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Wood, Philip. "Patriarchs and Bishops." In The Imam of the Christians, 62–77. Princeton University Press, 2021. http://dx.doi.org/10.23943/princeton/9780691212791.003.0003.

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This chapter investigates the period circa 740 to 842, which was particularly rich for history writing within the Jacobite church. It details how the writings in history provided a means of charting the lineage of the patriarchs of the Jacobite church and delineating the appropriate behaviour of contemporary patriarchs and bishops using models from the past. It also examines the layered narratives that Dionysius provided for the period of 'anarchy' and then turns to Dionysius' depiction of his own generation. The chapter highlights the shift in the recruitment of patriarchs from Qartmin to other monasteries, such as Qenneshre, Dionysius' alma mater. It notes the change in the criteria for patriarchal tyranny between the eighth-century historians and Dionysius.

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"ley, 1999). The impetus for understanding the underlying dynamics of dishonest behavior among students stems from the conviction that, apart from assuming the role of an educational and credentialing agency, the primary focus of an academic institution is to provide an environment for personal development of our youth in the moral, cognitive, physical, social, and aesthetic spheres. An atmosphere that promotes academic honesty and integrity is a precondition for generating, evaluat-ing, and discussing ideas in the pursuit of truth, which are at the very heart of aca-demic life. Research has shown that dishonesty in college, cheating in particular, is a predic-tor of unethical behavior in subsequent professional settings (e.g., Sierles, Hendrickx, & Circel, 1980). More recently, Sims (1993) also found academic dis-honesty to be significantly related to employee theft and other forms of dishonesty at the workplace. Sim's findings suggest that people who engaged in dishonest behav-iors during their college days continue to do so in their professional careers. Further-more, Sim's findings indicate that people who engaged in dishonest behaviors during college are more likely to commit dishonest acts of greater severity at work. Existing research on academic dishonesty has largely been conducted in Eu-rope and North America. The results of these studies suggest that a large percent-age of university students indulge in some form of cheating behaviors during their undergraduate studies (e.g., Newstead, Franklyn-Stokes, & Armstead, 1996). Sur-vey findings also suggest that not only is student cheating pervasive, it is also ac-cepted by students as typical behavior (e.g., Faulkender et al., 1994). Although the research conducted in the Western context has increased our under-standing of academic dishonesty among students, the relevance of these results to the Asian context is questionable. Differences in sociocultural settings, demo-graphic composition, and specific educational policies may render some compari-sons meaningless. Different colleges also vary widely in fundamental ways, such as size, admission criteria, and learning climate. These factors render the comparabil-ity of results obtained from different campuses difficult. Cross-cultural studies con-ducted to examine students' attitudes toward academic dishonesty have found evidence that students of different nationalities and of different cultures vary signifi-cantly in their perceptions of cheating (e.g., Burns, Davis, Hoshino, & Miller, 1998; Davis, Noble, Zak, & Dreyer, 1994; Waugh, Godfrey, Evans, & Craig, 1995). For example, in their study of U.S., Japanese, and South African students, Burns et al. found evidence suggesting that the South Africans exhibited fewer cheating behav-iors than the Americans but more than the Japanese at the high school level. How-ever, at the college level, the cheating rates for South African students were lower compared to both their American and Japanese counterparts. In another cross-national study on academic dishonesty, Waugh et al. (1995) examined cheating behaviors and attitudes among students from six countries (Australia, the former East and West Germany, Costa Rica, the United States, and Austria) and found significant differences in their perceptions of cheating. Stu-." In Academic Dishonesty, 47–56. Psychology Press, 2003. http://dx.doi.org/10.4324/9781410608277-7.

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Тези доповідей конференцій з теми "Cirral behaviors":

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Raizer, Klaus, Eric Rohmer, Andre L. O. Paraense, and Ricardo R. Gudwin. "Effects of behavior network as a suggestion system to assist BCI users." In 2013 IEEE Symposium on Computational Intelligence in Rehabilitation and Assistive Technologies (CIRAT). IEEE, 2013. http://dx.doi.org/10.1109/cirat.2013.6613821.

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Bergeron, Bryan. "Physics-Based Animation for Qualitative Assessment of Biomimetic Subterranean Burrowing Behaviors." In 2007 International Symposium on Computational Intelligence in Robotics and Automation. IEEE, 2007. http://dx.doi.org/10.1109/cira.2007.382837.

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Waegeman, Tim, Eric Antonelo, Francis Wyffels, and Benjamin Schrauwen. "Modular reservoir computing networks for imitation learning of multiple robot behaviors." In 2009 IEEE International Symposium on Computational Intelligence in Robotics and Automation - (CIRA 2009). IEEE, 2009. http://dx.doi.org/10.1109/cira.2009.5423194.

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Hayashi, Eiji, Takahiro Yamasaki, and Koichiro Kuroki. "Autonomous behavior system combing motivation with consciousness using dopamine." In 2009 IEEE International Symposium on Computational Intelligence in Robotics and Automation - (CIRA 2009). IEEE, 2009. http://dx.doi.org/10.1109/cira.2009.5423223.

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McNamara, J., Peretz Friedmann, K. Powell, B. Thuruthimattam, and R. Bartels. "Aeroelastic and Aerothermoelastic Vehicle Behavior in Hypersonic Flow." In AIAA/CIRA 13th International Space Planes and Hypersonics Systems and Technologies Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2005. http://dx.doi.org/10.2514/6.2005-3305.

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Jozi, B., A. Fakharian, M. Nademi, and M. Yousefi Azar Khanian. "Harmonic opponent modeling and behavior structure for 3D soccer simulation agent." In 2009 IEEE International Symposium on Computational Intelligence in Robotics and Automation - (CIRA 2009). IEEE, 2009. http://dx.doi.org/10.1109/cira.2009.5423172.

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Arkin, Ronald C., and Patrick Ulam. "An ethical adaptor: Behavioral modification derived from moral emotions." In 2009 IEEE International Symposium on Computational Intelligence in Robotics and Automation - (CIRA 2009). IEEE, 2009. http://dx.doi.org/10.1109/cira.2009.5423177.

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Kubota, Naoyuki, and Naohide Aizawa. "Intelligent Control of A Multi-agent System based on Multi-objective Behavior Coordination." In 2007 International Symposium on Computational Intelligence in Robotics and Automation. IEEE, 2007. http://dx.doi.org/10.1109/cira.2007.382918.

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Lim, Sungsoo, Jongwon Yoon, Keunhyun Oh, and Sung-Bae Cho. "Gesture based dialogue management using behavior network for flexibility of human robot interaction." In 2009 IEEE International Symposium on Computational Intelligence in Robotics and Automation - (CIRA 2009). IEEE, 2009. http://dx.doi.org/10.1109/cira.2009.5423240.

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Briggs, Shannon, Jonas Braasch, Tomek Strzalkowski, Bryan Burns, Samuel Chabot, Abraham Sanders, and Erfan Al-Hossami. "A Cognitive Immersive Room for Intelligence Analysis Scenarios (CIRIAS)." In 14th International Conference on Applied Human Factors and Ergonomics (AHFE 2023). AHFE International, 2023. http://dx.doi.org/10.54941/ahfe1003867.

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Intelligence can be understood as the timely delivery of actionable information. Our Cognitive Immersive Room for Intelligence Analysis Scenarios (CIRAS) supports foraging and processing information during time-critical scenarios. Intelligence has an ambiguous meaning and could either refer to the ability to learn and reason well using a logical approach or to use a standard procedure to gather and process public and secret information about an adverse entity (e.g., a foreign country) to forecast threats and opportunities. While the latter definition of intelligence roots in military operations, similar methods have been successfully applied in the civil domain, for example, forensic sciences and corporate business decisions. In this paper, we describe the use of cognitive immersive environments for collaborative decision-making using the general procedures of intelligence analysis, especially the concept of the foraging loop by Pirolli and Card (2005). We focus on three use cases, traffic-pattern analysis, bibliographic search, and travel planning, to explain the benefit of virtual environments for the efficient and time-constrained decision-making process. Each of these examples leans heavily on information-foraging behaviors, which have been historically a bottleneck for intelligence gathering. By leveraging the cognitive immersive technology, we will transfer some of the granular search and sort activities to the system, reducing the cognitive load experienced by users during intelligence tasks. The progressive dialog system paired with our map views allows users to plan points of interest across travel itineraries and allows users to plan routes during challenging traffic. Our brainstorming tool supports text source discovery, allowing users to build a knowledge base, and supports bibliography creation.This approach aids analysis in reducing time and time and effort; timely analysis is typically critical in reconnaissance and other intelligence analyst tasks. During collection and analysis, information has to be pulled from various sources and shared among an expert team. CIRIAS possesses matured technologies to source information through personal interfaces such as computer terminals, handheld devices, and dialog systems while also allowing interfacing between groups of people.The latter is important within the shared context between analysts to allow sharing the most relevant information while deferring other information. To bridge this technology gap, we propose a Situations Room environment that enables small teams to pursue intelligence analyst tasks together. In this room, each member can gather information individually while also exchanging and displaying relevant data among each other on large immersive displays. The room provides immersive audio/visual displays to facilitate this as a shared resource while connecting participants to personal devices. The room tracks participants via gestural and acoustic sensors, displays information in spatial relationships to users and extracts speech information and gestures. An existing audio/visual tracking system provides continuous locations of team members using a 6-camera network and a 16-channel spherical microphone. The latter is also used for speech recognition, and assigns input to individual participants for context-based dialog functions utilizing beamforming and tracking. The system can be adapted to different tasks in a flexible manner, which we will explore during our use case discussion.