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Dissertations / Theses on the topic 'Age-productivity'

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1

Ward, Margaret H. "Age-related Trends in Red Spruce Needle Anatomy and their Relationship to Declining Productivity." Fogler Library, University of Maine, 2005. http://www.library.umaine.edu/theses/pdf/WardMH2005.pdf.

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2

Ward, Margaret H. "Age-Related Trends in Red Spruce Needle Anatomy and Their Relationship to Declining Productivity." Fogler Library, University of Maine, 2004. http://www.library.umaine.edu/theses/pdf/WardMH2004.pdf.

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3

Mahlberg, Bernhard, Inga Freund, Cuaresma Jesus Crespo, and Alexia Prskawetz. "Ageing, productivity and wages in Austria." Elsevier, 2013. http://epub.wu.ac.at/3714/1/LABECO.pdf.

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Current demographic developments in industrialized countries and their consequences for workforce ageing challenge the sustainability of intergenerational transfers and economic growth. A shrinking share of the young workforce will have to support a growing share of elderly, non-working people. Therefore, the productivity of the workforce is central to a sustainable economic future. Using a new matched employeremployee panel dataset for Austrian firms for the period 2002-2005, we study the relationship between the age structure of employees, labour productivity and wages. These data allow
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4

Peters, Jan Cornelius [Verfasser]. "The impact of age complementarities and learning externalities on labor productivity: Evidence from German micro data / Jan Cornelius Peters." Kiel : Universitätsbibliothek Kiel, 2017. http://d-nb.info/1142154750/34.

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5

Woodland, Ryan Duncan. "Influence Of Fall Grazing By Sheep On Plant Productivity, Shrub Age Class Structure And Herbaceous Species Diversity In Sagebrush Steppe." DigitalCommons@USU, 2004. https://digitalcommons.usu.edu/etd/91.

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Managing Wyoming Big Sagebrush (Artemisia tridentata ssp. wyomingensis) systems biologically with grazing can potentially reduce costs and increase both biodiversity and understory production as well as rejuvenate Wyoming Big Sagebrush (ARTRWY). Sheep were provided a protein-energy supplement to facilitate use of the secondary metabolites found in ARTRWY forage. Phytomass ( ) was estimated for the following plant categories: total phytomass, current annual growth (CAG) of ARTRWY, the woody portion of ARTRWY, CAG of other shrubs, the woody portion of other shrubs, grasses, forbs, litter, and st
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6

Hutton, Trevor P. "The status and productivity of the Cape hake stock off the west coast of South Africa based on an age-structured production model with different stock-recruitment and fishing selectivity-at-age relationships." Master's thesis, University of Cape Town, 1993. http://hdl.handle.net/11427/21629.

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Bibliography: pages 41-47<br>The surplus production model and ad hoc tuned VPA assessment methods currently used to provide the basis for scientific TAC recommendations for the Cape hake resource off South Africa provide rather different appraisals of the current status and productivity of this resource. The production model approach is based on the Butterworth-Andrew observation error estimator, and takes catch per unit effort (CPUE), as well as biomass survey data into account. The ad hoc tuned VPA is based on the Laurec-Shepherd tuning algorithm and utilizes catch-at-age and effort informat
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7

Brunow, Stephan. "Der Einfluss der Altersstruktur auf das Wachstum und die Produktivität von Regionen." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-25307.

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Die regionale altersstrukturelle Zusammensetzung in Europa und Deutschland ist sehr heterogen. In der Literatur werden viele Diskussionen darüber geführt, wie sich unter anderem Regionen in Zukunft entwickeln werden und ob es ggf. zu einer Entvölkerung einzelner Gebiete kommt. Allerdings sind bisher nur selten Untersuchungen vorgenommen worden, welche die Auswirkungen der altersstrukturellen Zusammensetzung auf die regionale Produktivität und das regionale Wachstum sind. Diese Lücke wird im Rahmen dieser Arbeit weiter vervollständigt. Zunächst wird ein neoklassisches Wachstumsmodell in Anlehnu
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8

Badenhorst, Johannes Jurie. "The effect of fertilising pinus radiata stands at mid rotation age in the Western Cape Province on leaf area, growth efficiency and stand productivity." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/4375.

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Thesis (MScFor (Forest and Wood Science))--University of Stellenbosch, 2010.<br>ENGLISH ABSTRACT: Mid rotation fertiliser application is generally practised in forestry to enhance nutrient availability in areas were soils are impoverished and do not provide sufficient nutrients for high productivity. Generally speaking there is great potential for mid rotation fertiliser in pine plantations, but stand and site characteristics such as water availability, soil depth, stand density and available nutrients need to be considered before fertiliser treatments are implemented. Foliar nutrient analyses
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9

Dunleavy, Dennis J. "In the age of the instant : the influence of the digital camera on the photojournalistic routines of productivity, empowerment and social interaction between subject and photographer /." view abstract or download file of text, 2004. http://wwwlib.umi.com/cr/uoregon/fullcit?p3153783.

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Thesis (Ph. D.)--University of Oregon, 2004.<br>Typescript. Includes vita and abstract. Includes bibliographical references (leaves 140-151). Also available for download via the World Wide Web; free to University of Oregon users.
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10

Capoulas, Joaquim Izá. "Efeitos de duas idades de desmame (21 e 28 dias) na produtividade dos leitões e das porcas." Master's thesis, Universidade de Lisboa. Faculdade de Medicina Veterinária. Instituto Superior de Agronomia, 2015. http://hdl.handle.net/10400.5/7895.

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Dissertação de mestrado em Engenharia Zootécnica/Produção Animal<br>O objectivo deste trabalho foi comparar as performances zootécnicas de leitões submetidos a duas idades de desmame diferentes (21 vs 28 dias), as performances reprodutivas das porcas que originaram esses leitões e, posteriormente, analisar qual destas opções é a mais rentável, nas condições da exploração onde foi realizado o ensaio. Foram constituídos dois grupos: um com 5 porcas e os respectivos leitões (60) que foram desmamados aos 21 dias (D21) e outro com 6 porcas e os respectivos leitões (67) que foram desmamados aos 28
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11

Mamede, Mariana Márcia Santos. "Análise genética para maciez de carne e suas relações com as características produtivas em bovinos nelore mocho." Universidade Federal de Goiás, 2015. http://repositorio.bc.ufg.br/tede/handle/tede/6410.

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Submitted by Cássia Santos (cassia.bcufg@gmail.com) on 2016-10-18T13:06:50Z No. of bitstreams: 2 Tese - Mariana Márcia Santos Mamede - 2015.pdf: 1724340 bytes, checksum: a5ca2ef74472295a32091a286312f2c5 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Approved for entry into archive by Jaqueline Silva (jtas29@gmail.com) on 2016-10-18T16:26:34Z (GMT) No. of bitstreams: 2 Tese - Mariana Márcia Santos Mamede - 2015.pdf: 1724340 bytes, checksum: a5ca2ef74472295a32091a286312f2c5 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Made avail
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12

Castanho, Núria Jesus Militão. "Estudo dos determinantes do crescimento das empresas familiares portuguesas." Master's thesis, Universidade de Évora, 2016. http://hdl.handle.net/10174/18719.

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No presente estudo procuramos analisar os determinantes do crescimento das empresas familiares portuguesas, através de uma amostra de empresas familiares membros da Associação de Empresas Familiares, durante o período de 2006 a 2014. Com vista ao teste das hipóteses em estudo foram utilizados dados em painel, com modelos de efeitos fixo e aleatório. A variável dependente definida foi o crescimento das vendas. As variáveis independentes definidas foram: dimensão; idade; endividamento; endividamento de curto prazo; endividamento de médio longo prazo; produtividade da mão-de-obra; estrutura do at
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13

Sturke, Peter M. "Growth of Age-0 Atlantic menhaden (BREVOORTIA TYRANNUS) in Two Tidal Freshwater Tributaries of Chesapeake Bay." VCU Scholars Compass, 2011. http://scholarscompass.vcu.edu/etd/247.

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Few studies have described growth rates of age-0 Atlantic menhaden (Brevoortia tyrannus). Growth rates from tidal freshwater habitats of the Mattaponi and James Rivers, Virginia in 2009 were described and compared using otolith microstructural analyses. Larval tidal freshwater growth rates were significantly faster in the culturally eutrophic James River when compared to those collected from the Mattaponi River (p-value < 0.001). Elevated primary production within tidal freshwater habitats promotes favorable conditions for larval Atlantic menhaden growth. No differences between river habit
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14

Belo, Teresa Freitas. "The relevance of microcredit and its impact om East Timor MSEs and proverty reduction." Doctoral thesis, Universidade de Évora, 2019. http://hdl.handle.net/10174/25451.

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Microcredit has an important role in the growth and productivity of the micro, small and medium enterprises (MSMEs) in East Timor, also on poverty reduction in other countries. The objective of this thesis, comprised of four essays, is to provide empirical evidence of the impact of microcredit on the growth and productivity of MSEs and poverty reduction of a selected set of specific factors. As microcredit is still a relevant issue of concern for some countries, due to their considerable role and functions for the growth and productivity of MSEs, the first paper performs an empirical analysis
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15

Singh, Natalina. "Leadership and productivity : a case study of New Age Beverages." Thesis, 2012. http://hdl.handle.net/10413/10871.

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Employee engagement and engaging leadership are subjects receiving attention from organisations. The link between employee morale, motivation and business productivity is important as well managed organisations can derive benefit from such linkages. The aim of this study was to determine whether the engagement models, leadership practices and tools utilised by New Age Beverages (NAB) had impacted positively on the morale and motivation of NAB employees. The study also considered whether there was a positive correlation between morale and motivation of employees in relation to overall business
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16

Barnes, Nancy Ann. "Sex and age ratios, productivity and parasite prevalence of trapped and untrapped raccoon populations in northeast Kansas." 1987. http://hdl.handle.net/2097/22336.

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17

Shi, Zheng. "Afforestation and stand age affected soil respiration and net ecosystem productivity in hybrid poplar plantations in central Alberta, Canada." Master's thesis, 2010. http://hdl.handle.net/10048/1386.

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Afforestation and stand development can significantly affect soil respiration and net ecosystem productivity (NEP). I studied 1) the effects of afforestation on NEP by comparing cropland previously planted to barley (on a barley-barley-alfalfa-alfalfa-alfalfa rotation) and that converted to a hybrid poplar (Populus deltoides Populus petrowskyana var. Walker) plantation and 2) the NEP along a chronosequence of stands aged 5-, 8-, 14-, and 16-year old in 2009 in central Alberta, Canada. Soil respiration and NEP decreased in the first two to three years after afforestation, while both generally
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18

"The Influence of the Built Environment of the Workplaces on the Workers’ Well-being A Study Towards Enhancing Prime Working Age Workers’ Productivity through Interior Design." Master's thesis, 2019. http://hdl.handle.net/2286/R.I.54976.

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abstract: Workplaces are the place where people spend mostly half of their life there. It is not exclusive to office buildings and companies; indeed, in each department in every building there are individuals working behind the scenes in an attempt to better the society. The workplace environment must accomplish workers’ requirements that vary between physical, emotional, psychological, and spiritual needs. Thus, the employees can provide high performance and be more productive, which leads to a successful group, corporations, society, and world generally. The aims for this study were to explo
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19

Brunow, Stephan. "Der Einfluss der Altersstruktur auf das Wachstum und die Produktivität von Regionen." Doctoral thesis, 2009. https://tud.qucosa.de/id/qucosa%3A25155.

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Die regionale altersstrukturelle Zusammensetzung in Europa und Deutschland ist sehr heterogen. In der Literatur werden viele Diskussionen darüber geführt, wie sich unter anderem Regionen in Zukunft entwickeln werden und ob es ggf. zu einer Entvölkerung einzelner Gebiete kommt. Allerdings sind bisher nur selten Untersuchungen vorgenommen worden, welche die Auswirkungen der altersstrukturellen Zusammensetzung auf die regionale Produktivität und das regionale Wachstum sind. Diese Lücke wird im Rahmen dieser Arbeit weiter vervollständigt. Zunächst wird ein neoklassisches Wachstumsmodell in Anlehnu
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20

Mbajiorgu, Christian A. "Effect of dietary energy to protein ratio level on growth and productivity of indigenous Venda chickens raised in closed confinement from one up to 13 weeks of age." Thesis, 2010. http://hdl.handle.net/10386/318.

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Thesis (M.Sc. (Agriculture)) --University of Limpopo, 2010<br>Ten experiments were conducted to determine the effect of dietary energy to protein ratio level on growth and productivity of indigenous Venda chickens raised in closed confinement from day-old up to thirteen weeks of age. The ten experiments were based on five different energy levels of 12.2, 13, 13.2, 13.4 and 14 MJ ME/kg DM. Each dietary energy level had five different levels of protein concentrations of 220, 190, 180, 170 and 160 g/kg DM, thus ending up with twenty five different dietary energy to protein ratio levels. Exper
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21

Filewod, Benjamin A. "Effects of an Early Season Heat Wave on Ecophysiological Parameters Related to Productivity in Sugar Maple (Acer saccharum Marsh.)." Thesis, 2011. http://hdl.handle.net/1807/30592.

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Anticipated increases in the frequency, duration or intensity of high temperature events ('heat waves') have the potential to significantly impact forest form and functioning, but these events remain virtually unstudied in forest ecosystems. This thesis presents the results of an event-driven research effort into the impacts of three days of record-setting high temperatures in late May 2010 on key ecophysiological parameters in Sugar Maple (Acer saccharum. Marsh). High temperatures reduced photosynthetic capacity by ~66% versus previous years and total end-of-season leaf litter production by ~
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22

MUŽÍKOVÁ, Martina. "Analýza stáda a vlivů působících na reprodukční užitkovost prasnic." Master's thesis, 2017. http://www.nusl.cz/ntk/nusl-320607.

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The aim was selected in a commercial breeding (AGRO Vodňany a.s.) to analyze and evaluate herd reproductive performance of sows used for the production of piglets (final hybrids). The analysis was focused on the age structure of the sow, when the first and second litter was 28.8% on the 3rd to 5th litter 23.5% and the sixth and other litters of sows 47.7%.The annual renewal of the herd was culled 22.9% and 25.5% included sows for breeding.This breeding is used natural reproduction, where for the purposes of reproduction bred four boars lines of 48 (White paternity x Pietrain).The average gesta
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23

Theron, Elzarie. "Psychological barriers that limit climate-friendly food choices in a South African context." Diss., 2019. http://hdl.handle.net/10500/25757.

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By following a climate-friendly diet, consumers have the potential to reduce climate change. However, despite the growing awareness of the climate-friendly food options that are available, consumers still choose foods with a high carbon footprint. Following a survey design, this study aimed to determine the extent to which four psychological processes (denial, conflicting goals and aspirations, tokenism, and interpersonal influence) limit consumers’ climate-friendly food choices in South Africa. Data were collected from 151 participants using the Climate-friendly Food Choices Scale and the Psy
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