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Registros recuperados: 8
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Associativismo e mercado alternativo: agricultura urbana na Zona Oeste do Rio de Janeiro. Repositório Alice
OLIVEIRA, L. A.; ABREU, L. S. de.
Resumo: A Zona Oeste da cidade do Rio de Janeiro é uma região tradicionalmente conhecida como Sertão Carioca. Com a intensa urbanização, vem se transformando, mas há produtores rurais familiares que resistem ao processo. Este trabalho é um estudo em curso sobre a experiência e o papel de um grupo de produtores da Associação de Agricultores Orgânicos de Vargem Grande. O objetivo é compreender em que medida o fortalecimento de ações coletivas, contribui para a reprodução social e cultural desses agricultores. Descrevemos o contexto da região, os atores da pesquisa, as condições da experiência e, por fim, benefícios e dificuldades relativas ao processo de organização para a venda em circuitos curtos. A pesquisa adota abordagem qualitativa da sociologia...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Agroecologia; Circuitos curtos; Reprodução social; Organização social; Agroecology; Short circuits; Social habits; Social organization; Agricultura orgânica; Comercialização; Produtor; Agroecology; Organic production; Social structure; Social behavior.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1062437
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Competing Structure, Competing Views: The Role of Formal and Informal Social Structures in Shaping Stakeholder Perceptions Ecology and Society
Prell, Christina; University of Sheffield; c.prell@sheffield.ac.uk; Reed, Mark; Aberdeen Centre for Environmental Sustainability and Centre for Planning and Environmental Management School of Geosciences, University of Aberdeen ; m.reed@abdn.ac.uk; Racin, Liat; Department of Geography, King's College London ; Liat.Racin@kcl.ac.uk; Hubacek, Klaus; Department of Geography, University of Maryland; Hubacek@umd.edu.
What is social structure, and how does it influence the views and behaviors of land managers? In this paper, we unpack the term "social structure" in the context of current research on institutions, social networks, and their role(s) in resource management. We identify two different kinds of structure, formal and informal, and explore how these link to views of land management and management practice. Formal structures refer to intentionally designed organizations that arise out of larger institutional arrangements; informal ones refer to social networks, based on the communication contacts individuals possess. Our findings show significant correlations between respondents' views regarding land management and their social networks; it is these informal...
Tipo: Peer-Reviewed Reports Palavras-chave: Formal organizations; Homophily; Institutions; Land management; Social networks; Social network analysis; Social structure; Stakeholder perceptions.
Ano: 2010
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Effect of fasting on self-feeding activity in juvenile sea bass (Dicentrarchus labrax) ArchiMer
Benhaim, David; Begout, Marie-laure; Pean, Samuel; Brisset, Blandine; Leguay, Didier; Chatain, Beatrice.
In various experiments under self-feeding conditions, sea bass groups could be divided into three categories regarding feeder actuation: high, low and zero-triggering fish. In all cases few high-triggering fish were responsible for a high percentage of the feed delivery. A question was raised about the role played by feeding motivation in such high-triggering status acquisition. It was approached by applying a 3-week fasting period in order to induce similar negative specific growth rate (SGR) in two groups of fish of similar mean weight but with either a low or a high coefficient of variation for weight (CVw)(T-low: CVw similar to 11%, 3 tanks of 60 fish each; T-high: CVw similar to 20%, 3 tanks of 60 fish each). These groups were created to test the...
Tipo: Text Palavras-chave: Personality; Plasticity; Feeding-behaviour; Self-feeder; Social structure.
Ano: 2012 URL: http://archimer.ifremer.fr/doc/00069/18004/15672.pdf
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Relationship between individual and group learning in a marine teleost: A case study with sea bass under self-feeding conditions ArchiMer
Benhaim, David; Ferrari, Sebastien; Colchen, Tatiana; Chatain, Beatrice; Begout, Marie-laure.
Fish learning and cognition are usually approached by testing single individuals in various devices such as mazes that have serious drawbacks, especially in gregarious species, including the stress induced by the test procedure. This might impair the results and lead to misinterpretation about the learning abilities of the targeted species. In order to provide an alternative to the individual-based tests, we investigated for the first time the operant conditioning of four similar groups (50 individuals per tank) of sea bass. We used two computerized self-feeder devices per tank, each coupled with individual electronic identification and that were alternately activated during varying positive appetitive reinforcement period of time (7 to 1 day). Learning...
Tipo: Text Palavras-chave: Operant conditioning; Group conditions; Social structure; Producer-scrounger; Personality traits; Positive reinforcement.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00380/49125/49665.pdf
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Self-feeding behaviour and personality traits in tilapia: a comparative study between Oreochromis niloticus and Sarotherodon melanotheron ArchiMer
Benhaim, David; Akian, Dieudonne; Ramos, Mathieu; Ferrari, Sebastien; Yao, Kouakou; Begout, Marie-laure.
Hybridization aims at combining valuable traits from two species into a single group. Nile tilapia Oreochromis niloticus (NT) and Black-chinned tilapia Sarotherodon melanotheron (BCT) are respectively characterized by fast growth and water salinity tolerance which attract the breeders who could take advantage of both species. The first step is to characterize both species behavior in different contexts. The aim of this study was to compare the self-feeding behaviour between NT and BCT with a design allowing to reveal individual and group feed demand behaviour and then to identify the individual specialization that builds around the device and the food dispenser. The second objective was to estimate the links between the individual specialization and...
Tipo: Text Palavras-chave: Boldness; Personality; Self-feeder; Individual specialization; Social structure.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00363/47419/47424.pdf
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Trust: the Critical Element for Successful Watershed Management Ecology and Society
Flitcroft, Rebecca; USDA Forest Service Research Lab ; becky.flitcroft@oregonstate.edu; Dedrick, Dana C; Long Tom Watershed Council Executive Director; coordinator@longtom.org; Smith, Courtland L; Department of Anthropology, Oregon State University; csmith@oregonstate.edu; Thieman, Cynthia A; Long Tom Watershed Council Restoration Director ; restoration@longtom.org; Bolte, John P; Department of Biological and Ecological Engineering; boltej@engr.orst.edu.
Tipo: Peer-Reviewed Reports Palavras-chave: Community; Management; ; Social structure; Watersheds.
Ano: 2010
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Understanding Complex Human Ecosystems: The Case of Ecotourism on Bonaire Ecology and Society
Abel, Thomas; National Taipei University; tabel@mail.ntpu.edu.tw.
It is suggested that ecotourism development on the island of Bonaire can be productively understood as a perturbation of a complex human ecosystem. Inputs associated with ecotourism have fueled transformations of the island ecology and sociocultural system. The results of this study indicate that Bonaire's social and economic hierarchy is approaching a new, stable systems state following a 50-yr transition begun by government and industry that stabilized with the appearance of ecotourism development and population growth. Ecotourism can be understood to have "filled in" the middle of the production hierarchy of Bonaire. Interpreted from this perspective, population growth has completed the transformation by expanding into production niches at smaller...
Tipo: Peer-Reviewed Reports Palavras-chave: Bonaire; Complex systems; Cultural evolution; Ecological economics; Ecosystems; Emergy; Human demography; Political ecology; Social structure; Sociocultural systems; World systems.
Ano: 2003
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Who are Controlling Community Forestry User Groups in Nepal? Scrutiny of Elite Theory AgEcon
Yadav, Bhagwan Dutta; Bigsby, Hugh R.; MacDonald, Ian.
Nepal has established community forestry institutions to manage natural resources at the local community level under the assumption that there will be better management than under Government agencies. However, community forestry has not been entirely successful as it has not addressed the needs of poor and marginalised groups. The main goal of this study is to examine how Nepalese social structure guides the structure of the Executive Committee (EC) of Community Forestry User Groups and in particular, whether the EC is dominated by elite groups that could in turn hinder the needs of poor and marginalised groups. This paper uses data from the middle hill district of Baglung, Nepal. Statistical analysis indicates that decision-making is dominated by the...
Tipo: Conference Paper or Presentation Palavras-chave: Social structure; Leadership; Caste; Community forestry; Decision making; Community/Rural/Urban Development; Environmental Economics and Policy; Political Economy.
Ano: 2008 URL: http://purl.umn.edu/96666
Registros recuperados: 8
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