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Gotowe bibliografie tematyczne / Ecology of aging / Rozprawy doktorskie

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Rozprawy doktorskie na temat „Ecology of aging”

Autor: Grafiati

Data publikacji: 28 września 2024

Data aktualizacji: 31 lipca 2025

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Sprawdź 21 najlepszych rozpraw doktorskich naukowych na temat „Ecology of aging”.

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1

Elliott, Kyle Hamish. "How can birds live long and hard? patterns in the physiology and behaviour of aging birds." Company of Biologists, 2013. http://hdl.handle.net/1993/22283.

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As animals age, they are expected to invest successively more energy in reproduction as they have fewer subsequent chances to reproduce (the “restraint” hypothesis). Conversely, the oldest animals may show restraint in reproduction because even a small increase in energy expended during reproduction may lead to death. Alternatively, both young and very old animals may lack the ability to maintain high levels of energy expenditure (the “constraint” hypothesis), leading to reduced reproductive success. Many studies have observed an increase in reproductive success with age followed by a reductio

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Hartung, Erik Walter. "Aging bioretention cells: Do they still function to improve water quality?" Kent State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=kent1497480428253195.

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Ekwudo, Millicent Nkiruka. "Effects of Respiratory Perturbations on Aging and Healthspan in Daphnia magna." Digital Commons @ East Tennessee State University, 2021. https://dc.etsu.edu/etd/3903.

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Aging is a degenerative process characterized by a decline in physiological functions and cellular activities. Environmental and pharmacological interventions affecting longevity pathways have been extensively studied in model organisms. This study investigated the effect of chronic mild intermittent hypoxia (4 mg O2/L) or mild mitochondrial uncoupling with three doses of 0 (control), 0.1, 1, and 5 μM of 2,4-Dinitrophenol (DNP), on life history and gene expression in four clones of Daphnia magna. Interestingly, clones from intermittent ponds displayed better tolerance to hypoxia and DNP. Altho

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Valenzano, Riccardo. "Aging in Nothobranchius furzeri, a new Vertebrate Model of extremely Short Lifespan." Doctoral thesis, Scuola Normale Superiore, 2006. http://hdl.handle.net/11384/85983.

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Hill, Celeste. "Policy Perspectives: Nonprofits and Government Impact on Aging in Place." Digital Commons @ East Tennessee State University, 2019. https://dc.etsu.edu/secfr-conf/2019/schedule/26.

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In recent years, tremendous growth in the older adult population has prompted the US Federal government along with state governments to fund programs and organizational structures that can help meet the needs of older adults. Further, organizations such as the National Council on Aging, as well as the American Association of Retired Persons (AARP), and nonprofits such as the United Way also partner in these efforts. This project seeks to analyze the content of American state and federal policy as well as nonprofit programs in order to identify the policy priorities that are currently being sup

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Fotis, Alexander T. "Exploring canopy structure and function as a potential mechanism of sustained carbon sequestration in aging forests." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1503231521023889.

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LUK, Kit Ling. "Powerless or perilous? : ageing women as an emerging social force in Hong Kong." Digital Commons @ Lingnan University, 2007. https://commons.ln.edu.hk/cs_etd/3.

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Ageing women have so often been represented in government policy rhetoric, gerontology literatures and journalistic discourse as the genderless, powerless and passive objects of welfare and services;, by and large, as a social problem that needs to be monitored and managed. Taking a cultural research approach, this thesis explores ageing women’s actual practices in Hong Kong social movements and aims to rerepresent ageing women as active social agents capable of generating multiple “tactical identities” enabling them to participate in and interact with an environment that poses concrete challe

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Pedersen, Emil. "Impact of the Warm Summer of 2018 on Growth of Roach (Rutilus rutilus) in Lake Tåkern, Sweden." Thesis, Linköpings universitet, Biologi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-166635.

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Climate change will lead to higher temperatures and longer summers in the future, which will likely influence the growing season of fish living in temperate lakes. The warm summer of 2018 in Sweden matches prognoses for normal summers at the end of the century and can thus be used to investigate the effect of temperature related factors on fish growth. In this study I used back-calculation of the growth of roach (Rutilus rutilus) caught in Lake Tåkern, Sweden, to find differences in growth during 2018’s hot summer versus the period 2012-2017. I compared growth during these years with results f

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9

Yatsko, Loni Kay. "Gray, Green and Greedy: Cohort Differences in Proenvironmentalism and the Mediating Role of Generational Variations in Social Values." University of Akron / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=akron1289671071.

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Jobe, John Andrew. "Grandparents raising grandchildren: support and resource-related issues." Kansas State University, 2012. http://hdl.handle.net/2097/15164.

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Master of Science<br>Department of Family Studies Human Services<br>Rick J. Scheidt<br>Currently in the United States there are 2.7 million grandparent caregivers caring for 5.4 million grandchildren, with 883,386 of these grandparents caring for their grandchildren without any assistance from the child’s biological parent. These grandparents have unique needs and require support services that understand and recognize those needs. However, many of the resources currently available are not designed to assist this population. This report explores many of the issues grandparents face when takin

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Froy, Hannah. "The ecology of ageing in albatrosses." Thesis, University of Edinburgh, 2014. http://hdl.handle.net/1842/17993.

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Age-related variation in demographic rates has significant consequences for population and evolutionary dynamics, and understanding the processes driving such variation is therefore an important aspect of evolutionary ecology. Reproductive performance may vary over the lifetime of an individual, and this may be the result of both variations in reproductive effort and changes in individual competency. For example, increasing experience is likely to have beneficial effects on reproduction during early life, and senescence, or declines in physiological function, may have negative impacts on the p

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Hutchinson, Matthew James. "Housing for an ageing Australia: What next?" Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/134162/1/Matthew_Hutchinson_Thesis.pdf.

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Within the policy context of ageing-in-place aspirations, this thesis examines the potential nature of housing for Australia's ageing population. By conceptualising housing and support together as an ecology and using grounded theory methodology to involve relevant stakeholders the thesis reveals both the desire and need for new urban and suburban based housing typologies arranged around collective living and mutual support. It further proposes a performance brief comprising desirable housing design principles. The thesis makes a contribution theoretically to the fields of architecture and cri

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CHIU, Mei Lan Mandy. "The concept of healthy ageing in Hong Kong." Digital Commons @ Lingnan University, 2002. https://commons.ln.edu.hk/soc_etd/15.

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The purpose of this study is to explore the concept of ‘Healthy Ageing’ in Hong Kong. The research attempts to explore the historical base from which ‘Healthy Ageing’ has been conceptualized in both Western and Chinese societies. This study also tries to provide an overview of literature that relevant to the ‘Healthy Ageing’ concept, and to provide an initial theoretical framework of ‘Healthy Ageing’ in a Hong Kong Chinese context. This study mainly adopts a qualitative approach in exploring the meaning of the concept. Since that ‘Healthy Ageing’ is likely to be conceptualized from the concept

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14

Sismour, Edward Norbert. "Contributions to the early life histories of alewife (Alosa pseudoharengus) and blueback herring (Alosa aestivalis): Rearing, identification, ageing, and ecology." W&M ScholarWorks, 1994. https://scholarworks.wm.edu/etd/1539616856.

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Early life histories of alewife (Alosa pseudoharengus) and blueback herring (A. aestivalis), collectively known as river herring, are poorly documented for Chesapeake Bay populations. Improved knowledge of these early life histories potentially will aid fisheries, habitat and resource management. Investigations were conducted following two lines. First, alewife and blueback herring larvae reared from eggs were used to investigate methods for species identification and to validate the otolith increment method for age determination. Blueback herring larvae hatched from naturally-spawned eggs wer

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15

Sendecka, Joanna. "Age, Longevity and Life-History Trade-Offs in the Collared Flycatcher (Ficedula albicollis)." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7787.

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16

Angell, Christopher. "Plasticity of Senescence in the Antler Fly (Protopiophila litigata)." Thesis, Université d'Ottawa / University of Ottawa, 2021. http://hdl.handle.net/10393/42153.

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As most multicellular organisms age, they undergo senescence: a progressive physiological deterioration that leads to declines in survival, reproduction, and performance in late life. Although senescence was once thought to be a phenomenon peculiar to captive animals and humans, field data have demonstrated age-related performance declines in a variety of taxa. Nevertheless, the ecology and evolution of senescence is not fully understood. The bulk of our knowledge about senescence in wild populations comes from studies of long-lived vertebrates, while short-lived invertebrates are often studie

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17

Quque, Martin. "Coevolution of sociality and ageing in animal societies." Doctoral thesis, Universite Libre de Bruxelles, 2020. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/316028.

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In order to improve our knowledge of the mechanisms of ageing in animals, the main objective of the thesis was to understand the modulation of such mechanisms by the individual social role, within different social organisations. This objective thus addresses two main questions: i) describing the covariation of the degree of social complexity with ageing patterns; ii) highlighting the underlying cellular and molecular processes. Thanks to complementary and diversified studies (behavioural observations, dosage of the oxidative balance, qPCR measurement of telomere length, proteomics, metabolomic

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18

Zaidi, Nawelle. "Des robots sociaux en EHPAD : de l’observation au design des futurs du soin au grand âge." Electronic Thesis or Diss., Nîmes, 2024. http://www.theses.fr/2024NIME0005.

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L’augmentation de la population âgée en perte d’autonomie laisse prédire en France un accroissement de la demande d’accueil en EHPAD (Établissements d’Hébergement pour Personnes Âgées Dépendantes), pourtant déjà au cœur d’une crise socio-professionnelle, financière, morale et politique. Dans ce contexte, le développement de robots sociaux semble porter des promesses d’amélioration de la qualité de vie des personnes âgées et d’allégement de la charge de travail du personnel. Cependant en pratique, ces robots sont peu adoptés à cause de limites techniques, éthiques, culturelles et socio-économiq

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Chiunya-Huni, Nyasha C. "Ageing in Zimbabwe : assessing old-age vulnerabillity, care and support in Zimbabwe in a context of HIV/AIDS, poverty and out-migration." Thesis, University of Southampton, 2015. https://eprints.soton.ac.uk/383179/.

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Moraes, Luiza Paiva Silva de. "Conservação, germinação e efeitos alelopáticos de Lafoensia glyptocarpa Koehne." Universidade Federal de São Carlos, 2010. https://repositorio.ufscar.br/handle/ufscar/1703.

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Made available in DSpace on 2016-06-02T19:29:32Z (GMT). No. of bitstreams: 1 3436.pdf: 3258339 bytes, checksum: 7033f00ca9eab7b49ec141759f62e980 (MD5) Previous issue date: 2010-05-04<br>Financiadora de Estudos e Projetos<br>The methodology of the accelerated aging test controlled deterioration to achieve the physiological quality of Lafoensia glyptocarpa Koehne seeds, separated into light and dark seeds, and to correlate if these seeds have their color due to different stages of maturation or whether the color is original phenotypic. The initial quality of the seeds was obtained through the

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Racco, Adriana. "Modelos Computacionais para Dinâmica de Populações Reais." Universidade Federal Fluminense, 2003. http://www.bdtd.ndc.uff.br/tde_busca/arquivo.php?codArquivo=267.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>O uso de ferramentas matemáticas, estatísticas e computacionais para estudar o comportamento de sistemas biológicos se faz cada vez mais presente. Este interesse é devido à complexidade apresentada pelas populações, que sofrem influências externas, relativas à interação com o ambiente e influências internas, conseqüências dos interesses conflitantes entre os indivíduos do ecossistema. A nossa proposta é de modelar computacionalmente alguns fenômenos biológicos observados em populações reais, para tentar entender melhor o que está a

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