Literatura científica selecionada sobre o tema "Outdoor life – Juvenile fiction"

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Artigos de revistas sobre o assunto "Outdoor life – Juvenile fiction"

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Delucis, Rafael De Avila, e Darci Alberto Gatto. "Flexural properties of four fast-growing eucalypts woods deteriorated by three different field tests". Acta Scientiarum. Technology 39, n.º 1 (24 de fevereiro de 2017): 39. http://dx.doi.org/10.4025/actascitechnol.v39i1.27067.

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Durability is a wood characteristic determined by several factors, making it difficult to investigate the service life of pieces designated for outdoor use. In this study, the decaying of juvenile and adult woods of four fast-growing eucalypts from southern Brazil subjected to three different exposure environments was monitored through mechanical properties (flexural test). The study material was obtained from adult trees of Eucalyptus botryoides, Corymbia citriodora, Eucalyptus paniculata and Eucalyptus tereticornis. Field tests were conducted in the city of Piratini, southern Brazil, and samplings were carried out during 540 days of experiment. Comparing the four eucalypts, the decreasing order of biological resistance was: Eucalyptus tereticornis, Corymbia citriodora, Eucalyptus paniculata and Eucalyptus botryoides. The mature wood showed greater and more stable physical-mechanical properties than juvenile wood.
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Dananay, Kacey L., e Michael F. Benard. "Artificial light at night decreases metamorphic duration and juvenile growth in a widespread amphibian". Proceedings of the Royal Society B: Biological Sciences 285, n.º 1882 (4 de julho de 2018): 20180367. http://dx.doi.org/10.1098/rspb.2018.0367.

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Artificial light at night (ALAN) affects over 20% of the earth's surface and is estimated to increase 6% per year. Most studies of ALAN have focused on a single mechanism or life stage. We tested for indirect and direct ALAN effects that occurred by altering American toads' ( Anaxyrus americanus ) ecological interactions or by altering toad development and growth, respectively. We conducted an experiment over two life stages using outdoor mesocosms and indoor terraria. In the first phase, the presence of ALAN reduced metamorphic duration and periphyton biomass. The effects of ALAN appeared to be mediated through direct effects on toad development, and we found no evidence for indirect effects of ALAN acting through altered ecological interactions or colonization. In the second phase, post-metamorphic toad growth was reduced by 15% in the ALAN treatment. Juvenile-stage ALAN also affected toad activity: in natural light, toads retreated into leaf litter at night whereas ALAN toads did not change behaviour. Carry-over effects of ALAN were also present; juvenile toads that had been exposed to larval ALAN exhibited marginally increased activity. In this time frame and system, our experiments suggested ALAN's effects act primarily through direct effects, rather than indirect effects, and can persist across life stages.
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Gupta-Nigam, Anirban. "Plastic Flowers: Overlooking Resource Scarcity in Postwar America". Theory, Culture & Society 37, n.º 6 (14 de maio de 2020): 111–33. http://dx.doi.org/10.1177/0263276420917468.

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This essay historicizes cultural and psychic economies in the postwar United States under the sign of material scarcity. It situates the proliferation of plastic flowers in domestic space within a context of bureaucratic anxieties surrounding natural resource scarcity, and trends toward ‘outdoor living’ that were an offshoot of the ideology of economic growth. Interrogating repeated, if relatively unexamined, invocations of ‘anxious’ suburban subjects in descriptions of postwar society, the essay suggests that plastic flowers shored up a sense of stability and permanence at a time when nuclear annihilation, Cold War paranoia, and population growth combined to render life uncertain and potentially unsustainable. The essay concludes by reflecting on how legacies of that epoch – and the fiction of permanence offered by plastic flowers – endure in contemporary fantasies of limitless progress.
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White, David, Andrew P.King e Meredith West. "Plasticity in adult development: experience with young males enhances mating competence in adult male cowbirds, Molothrus ater". Behaviour 139, n.º 6 (2002): 713–28. http://dx.doi.org/10.1163/156853902320262781.

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AbstractThe social environment can play an important role in organizing organisms' behavioural development. We studied the effect on adult male cowbirds' communication and mating-related behaviour of being housed in social groups with juvenile males. In two large outdoor aviaries, we housed adult males, juvenile females and adult females either with or without juvenile males. Conditions remained intact from September 1999 through the first half of the breeding season in May 2000. We observed them throughout this time, documenting singing interactions, patterns of affiliation, and song production. We then brought the two groups of adult males together by rotating individuals from the groups into a mating competency tournament, allowing the males to compete with each other for mating opportunities with a new group of females. Throughout the study prior to the mating competency test, there were few differences among adult males in the two conditions as measured by amount and use of song, the quality of their songs, or number of copulations they received. In the mating competency tournament however, significant differences among males in the two conditions emerged. Compared with adult males that had been housed without juvenile males, adult males that had formerly been housed with juvenile males were more successful in the mating competition as measured by: success in getting copulations, number of copulations received, and latency to get copulations. They also engaged in more male-male singing interactions. These results provide evidence to suggest that development of mating competency is malleable throughout life in response to the social environment that individuals experience.
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Seveso, Gabriella, e Luca Comerio. "The The right to outdoor education at the beginning of the Twentieth century: reflections and practices from the pages of a Milanese journal (1911-1923)". Rivista di Storia dell’Educazione 9, n.º 2 (9 de novembro de 2022): 13–21. http://dx.doi.org/10.36253/rse-13095.

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In the early Twentieth century in Europe there was a very lively debate about the need for an outdoor education for boys and girls, linked to the more general sensitivity to the issue of the protection of children’s rights: many associations, movements, thinkers underlined, in fact, how boys and girls should have enjoyed the right to health, education and dignified growth. Among these, the Società Umanitaria (Humanitarian Society) in Milan stood out: it took an active part in the debate on teacher training and the reform of children’s institutions, playing a fundamental role in the propagation of the Montessori method; this institution also disseminated original reflections on the right to outdoor education and initiated innovative experiences centred on contact with the natural environment, both because this theme was a fundamental part of the Montessori proposal, and because more generally it responded to the ideals based on healthy life, on education in nature, and on the recovery of juvenile discomfort through contact with the natural environment. This contribution, therefore, aims to investigate the role played by the Società Umanitaria in promoting the right to outdoor education, analysing the issues of the magazine “La Coltura Popolare”, with a particular focus on the activities carried out to promote holiday camps and recreational facilities: this is a still unexplored research path, which brings to the attention of scholars a magazine that offered important spaces of exchange for the most innovative pedagogical experiments and the most stimulating reflections of the time.
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Charbonnier, Julie F., e James R. Vonesh. "Consequences of life history switch point plasticity for juvenile morphology and locomotion in theTúngara frog". PeerJ 3 (22 de setembro de 2015): e1268. http://dx.doi.org/10.7717/peerj.1268.

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Many animals with complex life cycles can cope with environmental uncertainty by altering the timing of life history switch points through plasticity. Pond hydroperiod has important consequences for the fitness of aquatic organisms and many taxa alter the timing of life history switch points in response to habitat desiccation. For example, larval amphibians can metamorphose early to escape drying ponds. Such plasticity may induce variation in size and morphology of juveniles which can result in carry-over effects on jumping performance. To investigate the carry-over effects of metamorphic plasticity to pond drying, we studied the Túngara frog,Physalaemus pustulosus, a tropical anuran that breeds in highly ephemeral habitats. We conducted an outdoor field mesocosm experiment in which we manipulated water depth and desiccation and measured time and size at metamorphosis, tibiofibula length and jumping performance. We also conducted a complimentary laboratory experiment in which we manipulated resources, water depth and desiccation. In the field experiment, metamorphs from dry-down treatments emerged earlier, but at a similar size to metamorphs from constant depth treatments. In the laboratory experiment, metamorphs from the low depth and dry-down treatments emerged earlier and smaller. In both experiments, frogs from dry-down treatments had relatively shorter legs, which negatively impacted their absolute jumping performance. In contrast, reductions in resources delayed and reduced size at metamorphosis, but had no negative effect on jumping performance. To place these results in a broader context, we review past studies on carry-over effects of the larval environment on jumping performance. Reductions in mass and limb length generally resulted in lower jumping performance across juvenile anurans tested to date. Understanding the consequences of plasticity on size, morphology and performance can elucidate the linkages between life stages.
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Araüna, Núria, Iolanda Tortajada e Cilia Margareta Willem. "Portrayals of Caring Masculinities in Fiction Film: The Male Caregiver in Still Mine, Intouchables and Nebraska." Masculinities & Social Change 7, n.º 1 (21 de fevereiro de 2018): 82. http://dx.doi.org/10.17583/mcs.2018.2749.

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This article analyzes the male caregiving characters Driss in Intouchables (2011), Craig in Still Mine (2012) and David in Nebraska (2013) in terms of hegemonic masculinity and its variations (Connell 1990; Connell and Messerschmidt 2005). Caregiving is a complex social situation normally assumed within kinship relationships, and traditionally attributed to women. We briefly review feminist analysis of caregiving since the 1970s (Fine and Glendinning 2005), and use critical studies on men and masculinities to show that the uptaking of caring tasks by men would and is contributing to equality between women and men (Elliott 2015). We have looked at the portrayal of the male caregivers in these films, and if and how they challenge hegemonic masculinity in terms of positive experiences. Our findings show that despite the tension men experience between giving in to and challenging patriarchal privilege of a care-free life, strategies such as humour, complicity, outdoor action and a general concern for the dignity of the care-receiver can be identified as some of these features of (imagined) caring masculinities and open new spaces for defining care as a gender neutral activity.
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Charbonnier, Julie, Jacquelyn Pearlmutter, James Vonesh, Caitlin Gabor, Zachery Forsburg e Kristine Grayson. "Cross-Life Stage Effects of Aquatic Larval Density and Terrestrial Moisture on Growth and Corticosterone in the Spotted Salamander". Diversity 10, n.º 3 (19 de julho de 2018): 68. http://dx.doi.org/10.3390/d10030068.

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For organisms with complex life cycles, conditions experienced during early life stages may constrain later growth and survival. Conversely, compensatory mechanisms may attenuate negative effects from early life stages. We used the spotted salamander, Ambystoma maculatum, to test how aquatic larval density and terrestrial moisture influence juvenile growth, food intake, evaporative water loss and water reuptake rates, and corticosterone levels. We conducted an outdoor mesocosm experiment to manipulate larval density and transferred metamorphosed salamanders into low and high terrestrial moisture treatments in laboratory terrariums. After the larval stage, high-density salamanders were significantly smaller and had higher corticosterone release rates than those from low-density treatments. Salamanders in the low terrestrial moisture treatment consumed fewer roaches, had lower mass-specific growth rates, higher water reuptake, and higher corticosterone release rates than salamanders in high terrestrial moisture treatments. Across moisture treatments, smaller salamanders had higher mass-specific growth rates than larger salamanders. Our results suggest that salamanders can partially compensate for competition in the larval aquatic habitat with increased growth as juveniles, but this response is dependent on terrestrial habitat quality. Thus, the persistence of early life stage effects can be an important, yet context-dependent, component of amphibian life cycles.
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Uma, T. "Childhood Experience - the Building Blocks of Life: A Psychoanalytical Study of Chitra Banerjee Divakaruni’s Fiction One Amazing Thing". Shanlax International Journal of English 8, n.º 2 (1 de março de 2020): 21–25. http://dx.doi.org/10.34293/english.v8i2.1810.

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Some people cannot love even their family members, while some seemingly normal people have few paradoxical qualities. Is there a connection between their strange behavior and their childhood experiences? What is the role of childhood in the character development of a person? The psychologists consider childhood experiences as the building blocks of a person’s personality. Freud believed that the child’s bond with the parents is the key to his/her psyche. Erikson divides a person’s life into eight stages of development. Every child faces a crisis or a challenge at each stage. The resolution of the crisis would lead to the acquisition of virtue, while failure caused maladaptive. Karen Horney also puts forth similar views. If the child’s basic need is not met, he/ she would either move towards people or move against or move away from people. This article examines the portrayal of children, their challenges, idiosyncrasies, and impact of their experiences on their psyche in the fiction One Amazing Thing, written by famous Indian American author Chitra Banerjee Divakaruni from a psychoanalytical perspective. She has written a few children’s novels also. A master storyteller, she weaves reality, imagination, and psychology together and creates both adult and juvenile characters who are true to life.
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Grant, Karen P., e Lawrence E. Licht. "Effects of ultraviolet radiation on life-history stages of anurans from Ontario, Canada". Canadian Journal of Zoology 73, n.º 12 (1 de dezembro de 1995): 2292–301. http://dx.doi.org/10.1139/z95-271.

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We tested the effects of ultraviolet-a (uv-a) and ultraviolet-b (uv-b) radiation on life-history stages of the anurans Bufo americanus, Hyla versicolor, Rana clamitans, and Rana sylvatica. No effect of uv-a was found on eggs or larvae even at exposures twice the intensity of normal outdoor levels. Only R. sylvatica was tested in the embryo stage. All embryos exposed to 30 min or more of artificially high intensity uv-b died. After exposure to artificially high intensity uv-b of 15 min or less, or at ecologically relevant levels, there was no effect on hatching success. The proportion of abnormal embryos after exposure to 10 or 15 min of artificially high intensity treatment was higher at 12 °C than at 20 °C. The jelly surrounding the ova can effectively reduce uv-b transmission through the egg mass. Of the four species tested, only larval R. clamitans showed some tolerance of artificially high uv-b levels, but development of the survivors was arrested and metamorphosis was not initiated. Ecologically relevant doses of uv-b had no effect on developmental period, duration of metamorphic climax, or mass at metamorphosis in B. americanus, H. versicolor, or R. sylvatica. Whereas all metamorphosed juvenile R. clamitans and R. sylvatica died after exposure to high-intensity uv-b, some B. americanus survived. Older B. americanus exposed for the same length of time had higher survivorship than younger animals. The role of uv radiation in presumed amphibian population declines is discussed.
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Teses / dissertações sobre o assunto "Outdoor life – Juvenile fiction"

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Sheehan, Dinah Belle. "Central Stories". PDXScholar, 2011. https://pdxscholar.library.pdx.edu/open_access_etds/1215.

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Central Stories is a series of interconnected stories about students at a fictional high school. Each story focuses on a pair or small group of students who are grappling with issues of gender identity, sexual orientation, and changing friendships. These stories explore varying aspects of the coming out processes, as well as attendant character-developments related to adolescence.
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Livros sobre o assunto "Outdoor life – Juvenile fiction"

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Dimond, Paul R. North Coast almanac. Ann Arbor, MI: Huron River Press, 2012.

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2

Pipe, Jim. How to survive on a desert island. New York: PowerKids Press, 2013.

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3

Kjelgaard, Jim. Shan tou lu. 8a ed. Taibei Shi: Guo yü ri bao she, 1992.

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4

Harbo, Gary. The northern woods adventure. Lynd, MN: Kutie Kari Books, 2004.

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5

Harvey, Gill. Tracking. Edinburgh: Barrington Stoke, 2008.

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Greene, Carol. Jacques Cousteau: Man of the oceans. Chicago: Childrens Press, 1990.

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7

Kelly, Mcmanus. Welcome to the Small World: A book of big surprises! Minneapolis, MN: Wise Ink Creative Publishing, 2014.

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8

Chall, Marsha Wilson. Up north at the cabin. New York: Lothrop, Lee & Shepard Books, 1992.

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9

McManus, Patrick F. Never cry "Arp!": And other great adventures. New York: H. Holt, 1996.

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10

Wirth, Victoria. Whisper from the woods. New York: Green Tiger Press, 1991.

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Capítulos de livros sobre o assunto "Outdoor life – Juvenile fiction"

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Nackenoff, Carol. "Allegory of the Republic: On Interpretation and vethod". In The Fictional Republic, 3–11. Oxford University PressNew York, NY, 1994. http://dx.doi.org/10.1093/oso/9780195079234.003.0001.

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Abstract More than a century after Horatio Alger, Jr. achieved his greatest fame with Ragged Dick, the author s name stands as a symbol that has become associated with central values in the American political creed. Alger, author of over a hundred juvenile novels and stories (plus a few adult romances), which appeared from the late 850s until roughly the tum of the new century, has become a household name unlike almost any other. It is not because his works are still widely read or known, but because the name itself is a stand-in for ideas supposedly derived from his fiction that “Horatio Alger” has entered the language and discourse of daily life.
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Murphy, Gretchen. "Introduction". In New England Women Writers, Secularity, and the Federalist Politics of Church and State, 1–31. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198864950.003.0001.

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Beginning with a discussion of partisan politics in Catharine Sedgwick’s juvenile letters and her autobiographical fiction, the introduction makes a case for considering five prominent New England women authors (Sedgwick, Judith Sargent Murray, Sally Sayward Wood, Lydia Sigourney, and Harriet Beecher Stowe) as profoundly influenced by and invested in a Federalist understanding of religion in a republic. This investment, which treats Protestant Christianity as a force necessary for public morality in democratic life, shaped their writing careers and forms an unacknowledged contribution to political and religious debates about church and state in the early republic and nineteenth century. Situating this argument as a contribution to scholarship in literary studies, postsecular studies, and political history, the introduction explains contributions to each area.
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