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Relevant bibliographies by topics / Juvenile Agriculture / Dissertations / Theses

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Dissertations / Theses on the topic 'Juvenile Agriculture'

Author: Grafiati

Published: 4 June 2021

Last updated: 27 July 2025

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1

Snow, Richard. "Life history of juvenile alligator gar (Atractosteus spatula) in Oklahoma." Thesis, Oklahoma State University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1561714.

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<p> Daily ring formation has been validated for a variety of fish species, but there is little known information or data on ageing young of year Alligator Gar (<i>Atractosteus spatula</i>). Artificially spawned Alligator Gar fry with a known spawn date, hatch date, and swim-up date were stocked into two ponds at Tishomingo National Fish Hatchery and reared from 9 to 91 days post-hatch. Up to 10 individuals were sampled each week, and age in days was estimated from counts of presumptive daily rings in the otoliths (sagittae, lapilli, and astericsi). Mean daily ring count and known age were clos

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2

Weisheimer, Nilson. "A situação juvenil na agricultura familiar." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2009. http://hdl.handle.net/10183/15908.

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Le but général de cette étude est celui d'identifier les traits distinctifs de la situation juvénile dans l'agrictulture familiale et dans ses projets professionnels. Pour l'accomplir, nous avons réalisé une recherche représentative de l'univers de jeunes occupés dans l'agriculture familiale à l'état du Rio Grande do Sul. Nous avons réalisé des entrevues structurées ayant comme base un questionnaire standardisé auprès de 681 jeunes de 15 à 29 ans des deux sexes. Comme contribution méthodologique, nous avons proposé un modèle descriptif de la situation juvénile à quatre dimensions analytiques:

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3

Freedman, Ryan. "Assessing the functional recovery and connectivity potential of restored estuaries in southern California using juvenile predator fish movements." Thesis, California State University, Long Beach, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1526909.

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<p> Limited information exists on how southern Californian restored estuaries affect fish habitat use. I used the movements of five predatory fishes in two guilds (ambush and roving predators) to assess juvenile habitat use within estuaries and across landscapes at two spatial scales. Translocating fishes between two discrete estuaries located approximately I 0 km apart revealed that connectivity potential between sites differed between foraging guilds. Despite habitat design differences, fishes did not appear to prefer one site over the other. However on a smaller scale (e.g., within a single

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4

West, Molly E. J. "Stacked Bt Proteins Exacerbate Negative Growth Effects of Juvenile (F. rusticus) Crayfish Fed Corn Diet." Bowling Green State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1555337338986411.

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5

Hardy, Robert F. "Assessments of Surface-Pelagic Drift Communities and Behavior of Early Juvenile Sea Turtles in the Northern Gulf of Mexico." Thesis, University of South Florida, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1569947.

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<p> Knowledge of species distribution and habitat associations are essential for conservation measures. Such information is lacking for many marine species due to their occupancy of broad and ephemeral habitats that are difficult to access for study. Sea turtles, specifically the surface−pelagic juvenile stage of some species, are a group for which significant knowledge gaps remain surrounding their distribution and habitat use. Recent research has confirmed the long−standing hypothesis that the surface−pelagic juvenile stage occurs within surface−pelagic drift commu

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6

Corbin, Alice Elizabeth. "Evaluation of a Juvenile Driver Intervention Program: Analysis of Ohio Carteens." The Ohio State University, 1999. http://rave.ohiolink.edu/etdc/view?acc_num=osu1391794867.

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7

Czesny, Sergiusz J. "Biochemical, physiological and behavioral evaluation of the quality of pure bred and hybrid Walleye (Stizostedion Vitreum) eggs, larvae, and juveniles /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488199501403933.

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8

Coradini, Lucas. "Projetos profissionais juvenis e a perspectiva de reprodução social na agricultura familiar." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/61736.

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Neste estudo examina-se como são elaborados os projetos profissionais juvenis das novas gerações de agricultores familiares e a perspectiva de reprodução do modo de produção familiar. A tarefa sociológica proposta é a de apontar os traços distintivos da situação juvenil na agricultura familiar, buscando identificar os elementos considerados na elaboração de seus projetos profissionais. Os objetivos da pesquisa são assim enumerados: 1) analisar as perspectivas de reprodução do modo de produção familiar em uma localidade do Rio Grande do Sul a partir dos projetos profissionais juvenis; 2) identi

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9

Hatcher, Hunter R. "Establishing and Evaluating Agricultural Plantings and Supplemental Cover on Reservoir Mudflats as a Means to Increase Juvenile Game Fish Abundance and Growth." Thesis, Mississippi State University, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=10974650.

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<p> Reservoirs throughout the country exhibit degraded shorelines and simplified littoral habitats because of aging. This study evaluated the establishment of agricultural plantings on reservoir mudflats and the effectiveness of supplemental brush pile structures in providing recruitment habitat for juvenile fish. The mudflats of Enid Reservoir, Mississippi were seeded during the winter drawdown in October of 2016 and 2017 with agricultural plantings. Monitoring of plantings found grasses performed best in terms of establishment and providing potential fish habitat. During Summer 2017 brush pi

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10

Veras, Mariluce de Macedo. "O Trabalho Infanto-Juvenil nas Atividades Rurais: desvendando a persistente inserção nas unidades familiares de produção." Universidade Federal de Pernambuco, 2005. https://repositorio.ufpe.br/handle/123456789/9674.

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Made available in DSpace on 2014-06-12T23:15:43Z (GMT). No. of bitstreams: 2 arquivo9032_1.pdf: 772230 bytes, checksum: b3a5f700c1a5f5b6b6e5031fa85ebfc6 (MD5) license.txt: 1748 bytes, checksum: 8a4605be74aa9ea9d79846c1fba20a33 (MD5) Previous issue date: 2005<br>O estudo trata do trabalho infanto-juvenil na área rural, particularmente na esfera da agricultura familiar, suas especificidades e elementos determinantes que conformam o fenômeno da persistência dessa problemática na contemporaneidade. Busca-se apreender a realidade da inserção precoce na agricultura familiar em suas dimensões ec

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11

José, Neto Joaquim. "JOVENS DA AGRICULTURA FAMILIAR DE RUBIATABA-GO: PROCESSOS EDUCATIVOS E PERSPECTIVAS DE REPRODUÇÃO SOCIAL." Pontifícia Universidade Católica de Goiás, 2011. http://localhost:8080/tede/handle/tede/679.

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Made available in DSpace on 2016-07-27T13:44:40Z (GMT). No. of bitstreams: 1 JOAQUIM JOSE NETO.pdf: 1767465 bytes, checksum: c8ba69ddf73af350ded933eb09182914 (MD5) Previous issue date: 2011-09-30<br>This study on young people in family farming in Rubiataba, Goiás, and the educational processes and perspectives of social reproduction, is a doctoral thesis in the field of research into Education, Society and Culture of the Post-graduate studies in Education Program at the Pontifical Catholic University of Goiás. It set out to analyze the conditions and environment of the children of family far

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12

Newcomb, Alyssa Marie. "Observations of the impacts of mechanical plowing on buried remains in forensic and archaeological contexts." Thesis, 2015. https://hdl.handle.net/2144/15446.

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Among the numerous taphonomic influences that can impact biological remains, agricultural activity has one of the most widespread effects. The present research examines the impacts of agricultural activities on buried skeletal remains, both in archaeological and medicolegal contexts. Juvenile pig (Sus scrofa) skeletons were utilized to simulate buried juvenile human aged 3 to 5 years to test the influence of original burial depths and different plowing intervals on the dispersal and the degree of damage caused by an offset disk plow. Ten juvenile pig skeletons were buried in relatively anatomi

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13

Cruz, Villeda Diego Alfredo de la. "Effect of dietary essential oils supplementation on growth performance, protein digestibility and digestive enzymes in juvenile gilthead seabream fed a low fishmeal diet." Master's thesis, 2013. http://hdl.handle.net/10400.1/7232.

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Dissertação de mestrado, Aquacultura e Pescas (Aquacultura), Faculdade de Ciências e Tecnologia, Universidade do Algarve, 2013<br>A study was undertaken to evaluate the efficacy of supplemental essential oils on the growth performance, protein digestibility and digestive enzyme activities in juvenile gilthead seabream fed a plant protein-rich diet. Four practical diets were formulated to be isonitrogenous (crude protein, 45.4% DM), isolipidic (18.5% DM) and isoenergetic (gross energy 21.4 kJ/g DM). The control diet (CTRL) was formulated with low levels of marine-derived proteins (19%). The sam

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14

Pereira, Rui Miguel dos Santos. "O efeito da qualidade da proteína na condição de juvenis de corvina (Argyrosomus regius)." Master's thesis, 2018. http://hdl.handle.net/10400.1/12208.

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Atualmente a aquacultura enfrenta um grande desenvolvimento na área da alimentação e nutrição, sendo o principal impulsionador deste desenvolvimento o preço do principal componente das rações, a proteína, sendo a farinha de peixe a fonte de aminoácidos essenciais e não essenciais mais completa que se conhece, mas tendo a desvantagem de ter elevados custos devido à sobre-exploração. A investigação de novas fontes de proteína torna-se assim, fulcral para um aumento da eficiência e rentabilidade da indústria. A corvina, Argyrosomus regius, é uma espécie que apresenta um elevado crescimento, em te

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15

Dias, Cremildo R. G. "Modelação do crescimento juvenil H-D com recurso a modelos de efeitos mistos em castanheiro de alto fuste no norte de Portugal." Master's thesis, 2018. http://hdl.handle.net/10198/22837.

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O castanheiro é uma espécie com potencial para produzir madeira de qualidade e é utilizada para os usos mais nobres como são o folheado e o mobiliário maciço. O objetivo do presente trabalho foi modelar o crescimento em altura de povoamentos jovens de castanheiro de alto fuste para produção de madeira através do ajustamento e calibração de equações hipsométricas mediante métodos não lineares de efeitos mistos. Os dados utilizados para a estimação da relação hipsométrica (H-D) são provenientes de parcelas permanentes de povoamentos pertencentes a particulares, localizadas

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