Academic literature on the topic 'Ecological entrapment'

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Journal articles on the topic "Ecological entrapment"

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Stenzel, Jana-Sophie, Inken Höller, Dajana Rath, Nina Hallensleben, Lena Spangenberg, Heide Glaesmer, and Thomas Forkmann. "Do Feelings of Defeat and Entrapment Change over Time? An Investigation of the Integrated Motivational—Volitional Model of Suicidal Behaviour Using Ecological Momentary Assessments." International Journal of Environmental Research and Public Health 17, no. 13 (June 29, 2020): 4685. http://dx.doi.org/10.3390/ijerph17134685.

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(1) Background. Defeat and entrapment have been highlighted as major risk factors of suicidal ideation and behavior. Nevertheless, little is known about their short-term variability and their longitudinal association in real-time. Therefore, this study aims to investigate whether defeat and entrapment change over time and whether defeat predicts entrapment as stated by the integrated motivational–volitional model of suicidal behavior. (2) Methods. Healthy participants (n = 61) underwent a 7-day smartphone-based ecological momentary assessment (EMA) on suicidal ideation/behavior and relevant risk factors, including defeat and entrapment and a comprehensive baseline (T0) and post (T2) assessment. (3) Results. Mean squared successive differences (MSSD) and intraclass correlations (ICC) support the temporal instability as well as within-person variability of defeat and entrapment. Multilevel analyses revealed that during EMA, defeat was positively associated with entrapment at the same measurement. However, defeat could not predict entrapment to the next measurement (approximately two hours later). (4) Conclusion. This study provides evidence on the short-term variability of defeat and entrapment highlighting that repeated measurement of defeat and entrapment—preferably in real time—is necessary in order to adequately capture the actual empirical relations of these variables and not to overlook significant within-person variability. Further research—especially within clinical samples—seems warranted.
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Littlewood, Donna L., Simon D. Kyle, Lesley-Anne Carter, Sarah Peters, Daniel Pratt, and Patricia Gooding. "Short sleep duration and poor sleep quality predict next-day suicidal ideation: an ecological momentary assessment study." Psychological Medicine 49, no. 3 (April 26, 2018): 403–11. http://dx.doi.org/10.1017/s0033291718001009.

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AbstractBackgroundSleep problems are a modifiable risk factor for suicidal thoughts and behaviors. Yet, sparse research has examined temporal relationships between sleep disturbance, suicidal ideation, and psychological factors implicated in suicide, such as entrapment. This is the first in-the-moment investigation of relationships between suicidal ideation, objective and subjective sleep parameters, and perceptions of entrapment.MethodsFifty-one participants with current suicidal ideation completed week-long ecological momentary assessments. An actigraph watch was worn for the duration of the study, which monitored total sleep time, sleep efficiency, and sleep latency. Daily sleep diaries captured subjective ratings of the same sleep parameters, with the addition of sleep quality. Suicidal ideation and entrapment were measured at six quasi-random time points each day. Multi-level random intercept models and moderation analyses were conducted to examine the links between sleep, entrapment, and suicidal ideation, adjusting for anxiety and depression severity.ResultsAnalyses revealed a unidirectional relationship whereby short sleep duration (both objective and subjective measures), and poor sleep quality, predicted the higher severity of next-day suicidal ideation. However, there was no significant association between daytime suicidal ideation and sleep the following night. Sleep quality moderated the relationship between pre-sleep entrapment and awakening levels of suicidal ideation.ConclusionsThis is the first study to report night-to-day relationships between sleep disturbance, suicidal ideation, and entrapment. Findings suggest that sleep quality may alter the strength of the relationship between pre-sleep entrapment and awakening suicidal ideation. Clinically, results underscore the importance of assessing and treating sleep disturbance when working with those experiencing suicidal ideation.
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Boswell, Suzanne F. "“Jack In, Young Pioneer”: Frontier Politics, Ecological Entrapment, and the Architecture of Cyberspace." American Literature 93, no. 3 (July 26, 2021): 417–44. http://dx.doi.org/10.1215/00029831-9361251.

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Abstract This essay uncovers the environmental and historical conditions that played a role in cyberspace’s popularity in the 1980s and 1990s. Tracing both fictional and critical constructions of cyberspace in a roughly twenty-year period from the publication of William Gibson’s Sprawl trilogy (1984–1988) to the Telecommunications Act of 1996, this essay argues that cyberspace’s infinite, virtual territory provided a solution to the apparent ecological crisis of the 1980s: the fear that the United States was running out of physical room to expand due to overdevelopment. By discursively transforming the technology of cyberspace into an “electronic frontier,” technologists, lobbyists, and journalists turned cyberspace into a solution for the apparent American crisis of overdevelopment and resource loss. In a period when Americans felt detached from their own environment, cyberspace became a new frontier for exploration and a so-called American space to which the white user belonged as an indigenous inhabitant. Even Gibson’s critique of the sovereign cyberspace user in the Sprawl trilogy masks the violence of cybercolonialism by privileging the white American user. Sprawl portrays the impossibility of escaping overdevelopment through cyberspace, but it routes this impossibility through the specter of racial contamination by Caribbean hackers and Haitian gods. This racialized frontier imaginary shaped the form of internet technologies throughout the 1990s, influencing the modern user’s experience of the internet as a private space under their sovereign control. In turn, the individualism of the internet experience restricts our ability to create collective responses to the climate crisis, encouraging internet users to see themselves as disassociated from conditions of environmental and social catastrophe.
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Butler, Colin. "Entrapment: Global Ecological and/or Local Demographic? Reflections Upon Reading the BMJ's Six Billion Day Special Issue." Ecosystem Health 6, no. 3 (September 2000): 171–80. http://dx.doi.org/10.1046/j.1526-0992.2000.006003171.x.

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Labus, Karolina, Kamila Wolanin, and Łukasz Radosiński. "Comparative Study on Enzyme Immobilization Using Natural Hydrogel Matrices—Experimental Studies Supported by Molecular Models Analysis." Catalysts 10, no. 5 (May 1, 2020): 489. http://dx.doi.org/10.3390/catal10050489.

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Currently, great attention is focused on conducting manufacture processes using clean and eco-friendly technologies. This research trend also relates to the production of immobilized biocatalysts of industrial importance using matrices and methods that fulfill specified operational and environmental requirements. For that reason, hydrogels of natural origin and the entrapment method become increasingly popular in terms of enzyme immobilization. The presented work is the comparative research on invertase immobilization using two natural hydrogel matrices—alginate and gelatin. During the study, we provided the molecular insight into the structural characteristics of both materials regarding their applicability as effective enzyme carriers. In order to confirm our predictions of using these hydrogels for invertase immobilization, we performed the typical experimental studies. In this case, the appropriate conditions of enzyme entrapment were selected for both types of carrier. Next, the characterization of received invertase preparations was made. As a final experimental result, the gelatin-based hydrogel was selected as an effective carrier for invertase immobilization. Hereby, using mild conditions and a pro-ecological, biodegradable matrix, it was possible to obtain very stable and reactive biocatalyst. The choice of gelatin-immobilized invertase preparation was compatible with our predictions based on the molecular models of hydrogel matrices and enzyme used.
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Ajmal, Mohammad, Afsar M. Sulaiman, and Akhtar Hussain Khan. "Surface entrapment of toxic metals from electroplating waste and their possible recovery." Water, Air, & Soil Pollution 68, no. 3-4 (June 1993): 485–92. http://dx.doi.org/10.1007/bf00478471.

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Swanson, Heather Anne. "The entrapment of trap design: Materiality, political economy and the shifting worlds of fixed gear fishing equipment." Journal of Material Culture 24, no. 4 (March 24, 2019): 401–20. http://dx.doi.org/10.1177/1359183519828769.

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Anthropologists have often focused on what one can read about the worlds of hunters and prey from the forms of traps. This article demonstrates, however, that a trap’s design is not always tightly coupled to the worlds within which it is deployed. Using the case of Columbia River salmon traps, it shows how the social, economic and ecological roles of traps can dramatically change – even as their physical shape remains the same. In the late 19th century, these traps were lucrative for their owners, but unpopular with the region’s gillnet fishermen. The fishermen feared that traps entrapped the community in a problematic form of political economy – that they created the wrong kind of subjects and social order, concentrating wealth in the hands of a small, lazy owner class. The fishermen argued that such problems inhered in the materiality of the traps and that their physical design produced inequality that jeapordized the community. The gillnetters ultimately won over the government with their arguments, and fish traps were banned. But the banning of traps has subsequently proved entrapping. Today, some of the river’s salmon are listed as endangered species. Gillnets, which often kill fish before they are hauled in, do not allow fishermen to sort out endangered and unendangered fish; they are thus being phased out. Traps that keep fish alive in their holds would allow for sorting out and releasing endangered fish, and they are now heralded as an environmentally sustainable technology by conservationists. But after decades of arguments that traps embody and create unjust economic forms, it is logistically and socially difficult to bring back traps. Based on this example, this article proposes an approach to traps that gives special attention to how the material force of traps shifts as they are linked to different ecological contexts and practices of political economy.
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Cui, Xiaofei, Jeffrey W. Talley, Guojing Liu, and Steve L. Larson. "Effects of primary sludge particulate (PSP) entrapment on ultrasonic (20 kHz) disinfection of Escherichia coli." Water Research 45, no. 11 (May 2011): 3300–3308. http://dx.doi.org/10.1016/j.watres.2011.03.034.

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Solórzano Kraemer, Mónica M., Xavier Delclòs, Matthew E. Clapham, Antonio Arillo, David Peris, Peter Jäger, Frauke Stebner, and Enrique Peñalver. "Arthropods in modern resins reveal if amber accurately recorded forest arthropod communities." Proceedings of the National Academy of Sciences 115, no. 26 (May 7, 2018): 6739–44. http://dx.doi.org/10.1073/pnas.1802138115.

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Amber is an organic multicompound derivative from the polymerization of resin of diverse higher plants. Compared with other modes of fossil preservation, amber records the anatomy of and ecological interactions between ancient soft-bodied organisms with exceptional fidelity. However, it is currently suggested that ambers do not accurately record the composition of arthropod forest paleocommunities, due to crucial taphonomic biases. We evaluated the effects of taphonomic processes on arthropod entrapment by resin from the plantHymenaea, one of the most important resin-producing trees and a producer of tropical Cenozoic ambers and Anthropocene (or subfossil) resins. We statistically compared natural entrapment byHymenaea verrucosatree resin with the ensemble of arthropods trapped by standardized entomological traps around the same tree species. Our results demonstrate that assemblages in resin are more similar to those from sticky traps than from malaise traps, providing an accurate representation of the arthropod fauna living in or near the resiniferous tree, but not of entire arthropod forest communities. Particularly, arthropod groups such as Lepidoptera, Collembola, and some Diptera are underrepresented in resins. However, resin assemblages differed slightly from sticky traps, perhaps because chemical compounds in the resins attract or repel specific insect groups. Ground-dwelling or flying arthropods that use the tree-trunk habitat for feeding or reproduction are also well represented in the resin assemblages, implying that fossil inclusions in amber can reveal fundamental information about biology of the past. These biases have implications for the paleoecological interpretation of the fossil record, principally of Cenozoic amber with angiosperm origin.
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Vogelsang, Christian, Asbjørn Husby, and Kjetill Østgaard. "Functional stability of temperature-compensated nitrification in domestic wastewater treatment obtained with PVA-SbQ/alginate gel entrapment." Water Research 31, no. 7 (July 1997): 1659–64. http://dx.doi.org/10.1016/s0043-1354(97)00009-2.

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Dissertations / Theses on the topic "Ecological entrapment"

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Butler, Colin David, and Colin Butler@anu edu au. "Inequality and Sustainability." The Australian National University. National Centre for Epidemiology and Population Health, 2002. http://thesis.anu.edu.au./public/adt-ANU20030324.171924.

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Global civilisation, and therefore population health, is threatened by excessive inequality, weapons of mass destruction, inadequate economic and political theory and adverse global environmental change. The unequal distribution of global foreign exchange adjusted income is both a cause and a reflection of global social characteristics responsible for many aspects of these inter-related crises. ¶ The global distribution of foreign exchange adjusted income for the period 1964-1999 is examined. Using data for more than 99% of the global population, a substantial divergence in its distribution is found. The global Gini co-efficient, adjusted for national income inequality, increased from an already high value of 71% in 1964 to peak at more than 80% in 1995, before falling, very slightly, to 79% in 1999. The global distribution of purchasing parity power income is also examined, for a similar period. Though also found to be extremely unequal, its trend has not been to increased inequality. Implications of the differences between these two trends are discussed. ¶ A weighted time series index of global environmental change (IGEC) for the period 1960-1997 was also calculated. This uses nine categories of global time series environmental data, each scaled so that 100% represents the level of each category in nature prior to anthropogenic change; zero represents decline to a critical point. This index fell from 82% in 1960 to 55% in 1997, and will further decline during this century. ¶ Using evidence from several disciplines, it is argued that the decline in the IGEC correlates with major macro-environmental changes, which, combined with flawed social responses to scarcity and its perception, place at risk the ability of civilisation to function. This could occur because of the interaction of conflict, economically disastrous extreme climatic events, deterioration of other ecosystem services, regional food and water insecurity, and currently unforeseen events. Uncertainty regarding both a safe rate of decline and the tolerable nadir of the IGEC is substantial. ¶ Substantial reduction in the inequality of foreign exchange adjusted income is vital to enhance the development of policies able to reverse the decline in the environmental goods which underpin civilisation, and to promote the co-operation needed to maximise the chance that civilisation will survive.
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Books on the topic "Ecological entrapment"

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Martin, Graham R. The Sensory Ecology of Collisions and Entrapment. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199694532.003.0009.

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Collisions of birds with human artefacts (power lines, wind turbines, glass sheets, etc.) are major source of bird mortality. Many birds are also killed by entrapment in fishing nets. A sensory ecology perspective on this problem shows that collision and entrapment occur because these hazards present perceptual tasks that are beyond the capacities of the birds; birds are carrying out tasks where a hazard would not be predicted; or birds perceive the hazard but make an inappropriate categorical response. Birds that fly into power lines and turbines may be simply not looking ahead or are flying in conditions in which their resolution is very low. Reducing collisions requires far more than attempting to make hazards more conspicuous to humans. It requires recognition of the birds’ perceptual limitations and their distraction away from hazard sites. This requires taking account of the particular ecological requirements and sensory capacities of each target species.
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