228
10
20655
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https://www.socictopen.socict.org/files/original/b6d659567862696197c5de89ec8c165a.pdf
da49bf0d3745a2de07c66b566cec16cb
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
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Title
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Aspectos a valorar dentro de la bioeconomía y su sendero de eco – intensificación para el buen desempeño de la actividad apícola ante la variabilidad de la Actividad Solar y Geomagnética y los cambios climáticos
Creator
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Odil Durán Zarabozo, Pablo Sierra Figueredo, Adolfo M Pérez Piñeiro, Blanca Castellanos-Pontenciano, Juan Manuel Zaldivar Cruz
Description
An account of the resource
La actividade productiva de las abejas (Apis mellifera) es susceptible de ser afectada por numerosos factores naturales, sobre todo los meteorológicos por razones de que su accionar está fuertemente vinculado al estado del tiempo, que impone límites para su labor. La presencia cada año de eventos meteorológicos severos es un factor también a tener en cuenta por su impacto directo en las plantas y en la propia población de abejas. Las plagas y epidemias que sufren las colonias de abejas de cierta forma modulan la producción, haciendo decaer severamente la misma ante la aparición de aquellas. A su vez se ha encontrado y mostrado en numerosos trabajos que el clima, el estado del tiempo y la aparición de plagas y epidemias, muestran una sensible dependencia con la Actividad Solar y geomagnética, provocando esto que el fenómeno sea mucho más complejo por lo multivariado. En el presente trabajo mostramos los resultados de un análisis de la variabilidad de la producción de miel de abejas en el territorio cubano durante 50 años y su posible asociación a largo plazo con la variabilidad de la actividad solar y geomagnética. Se analiza producción de miel, de cera, así como la productividad por colmena para todo el período. Se discuten los resultados y se plantean hipótesis sobre la relación encontrada, que permite establecer una asociación entre el comportamiento de los indicadores productivos y la actividad solar y geomagnética. Rev. iberoam. bioecon. cambio clim. Vol.1(1) 2015; 207-222
Date
A point or period of time associated with an event in the lifecycle of the resource
2015
Subject
The topic of the resource
Cambio climático, actividad solar y geomagnética, producción apícola
Identifier
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10.5377/ribcc.v1i1.2149
Source
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Revista Iberoamericana de Bioeconomía y Cambio Climàtico
Publisher
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Universidad Nacional Autónoma de Nicaragua
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Economic theory. Demography, Meteorology. Climatology
Relation
A related resource
<a href="http://revistas.unanleon.edu.ni/index.php/REBICAMCLI/article/view/15" target="_blank" rel="noreferrer noopener">http://revistas.unanleon.edu.ni/index.php/REBICAMCLI/article/view/15</a>
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https://www.socictopen.socict.org/files/original/9442b603f8fee59b25f3972ccb6cf54e.pdf
e54d4396eb8f3bd1d7df37dd4fc23b3f
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
ASPECTOS BÁSICOS DE REFRIGERACIÓN PARA LA AGROINDUSTRIA BASIC ASPECTS OF REFRIGERATION FOR THE AGROINDUSTRY
Creator
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Deyanira Muñoz-Muñoz, GERARDO CABRERA CIFUENTES
Description
An account of the resource
El presente trabajo expone los fundamentos más comunes en que se basan los sistemas de refrigeración solar para las aplicaciones agroindustriales.The present work exposes the most common principles that the systems of solar refrigeration are based for agroindustrials applications.
Date
A point or period of time associated with an event in the lifecycle of the resource
2008
Subject
The topic of the resource
Refrigerator, Solar Refrigeration, Transferencia de calor, heat transfer, radiación solar, refrigeración solar, refrigerador, solar radiation
Source
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Biotecnología en el Sector Agropecuario y Agroindustrial
Publisher
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Universidad del Cauca
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Agriculture (General), Biotechnology
Relation
A related resource
<a href="http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S1692-35612008000200011" target="_blank" rel="noreferrer noopener">http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S1692-35612008000200011</a>
-
https://www.socictopen.socict.org/files/original/532fb0c793c4dd67cf506820e0411409.pdf
675e74a004458a0df3bd1e7ba7391faf
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Aspectos biológicos de Acacia longifolia, una especie exótica potencialmente invasora de pastizales psamófilos
Creator
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J. Lecanda, Y. A. Cuevas, M. Zalba
Description
An account of the resource
Las dunas costeras de la Pampa Austral constituyen un ambiente importante por mantener valiosas funciones ecosistémicas y conservar una alta biodiversidad. Acacia longifolia (aromo) es un árbol exótico establecido-invasor en regiones costeras de nuestro país. Este trabajo describe un núcleo poblacional de la especie que crece sobre dunas litorales de Monte Hermoso (Buenos Aires) y evalúa aspectos de la biología de sus semillas, incluyendo su peso y tamaño, tasa de germinación e intensidad de remoción por predadores. El núcleo exhibe una densidad media de 510 (ES=192,8) individuos/ha, una cobertura del dosel promedio de 42,85 % (ES=6,2) y una variación de 6,4-14,8 cm en el diámetro de sus troncos. Las semillas promedian 3,8±0,07 mm de largo y 2,4±0,04 mm de ancho, con un peso de 16,08±0,4 mg. El porcentaje de germinación resulta máximo previa escarificación química o física de las semillas (90±2,98 % y 84±5,62 %, respectivamente). La tasa de remoción de las semillas resulta del 27 % (ES=8,3). Los resultados obtenidos aportan información sobre la ecología de esta leñosa exótica presente en pastizales pampeanos. Sus antecedentes invasores en otros ambientes similares postulan a la especie como riesgosa, resultando prioritario monitorear su estado y evitar que traspase la barrera de dispersión.
Date
A point or period of time associated with an event in the lifecycle of the resource
2020
Subject
The topic of the resource
Fabaceae, Plantas invasoras, dunas costeras, ecología de semillas, ensayos de germinación, remoción de semillas
Source
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Semiárida
Publisher
An entity responsible for making the resource available
Universidad Nacional de La Pampa
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Agriculture (General), Animal culture, Cattle
Relation
A related resource
<a href="https://cerac.unlpam.edu.ar/index.php/semiarida/article/view/4465" target="_blank" rel="noreferrer noopener">https://cerac.unlpam.edu.ar/index.php/semiarida/article/view/4465</a>
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https://www.socictopen.socict.org/files/original/89684470529c5f6f2e607166d1972c15.pdf
b4b1e11c77836d58d7623ec187104e4b
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Aspectos biológicos e morfológicos de Citheronia brissotii brissotii (Lepidoptera: Saturniidae)
Creator
An entity primarily responsible for making the resource
José Maria Milanez, Luís Antonio Chiaradia, Marcelo Bridi, Marcio Roberto Furlan Davila
Description
An account of the resource
A lagarta de Citheronia brissotii brissotii (Boisduval) (Lepidoptera: Saturniidae) alimenta-se de folhas de erva-mate (Ilex paraguariensis St. Hil. - Aqüifoliaceae). Para conhecer aspectos da biologia e morfologia desta espécie foi desenvolvida uma metodologia de criação no Laboratório de Fitossanidade da Epagri/Cepaf, em Chapecó, SC. Os cinco ínstares larvais deste inseto apresentaram razão média de crescimento de 1,5398 e o seu ciclo biológico completou-se em períodos de 92 a 236 dias. A metodologia utilizada possibilitou descrever a morfologia dos imaturos e dos adultos desta espécie.
Date
A point or period of time associated with an event in the lifecycle of the resource
2021
Subject
The topic of the resource
Ilex paraguariensis, erva-mate, inseto
Source
A related resource from which the described resource is derived
Revista Agropecuária Catarinense
Publisher
An entity responsible for making the resource available
Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina - Epagri
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Agriculture (General)
Relation
A related resource
<a href="https://publicacoes.epagri.sc.gov.br/RAC/article/view/860" target="_blank" rel="noreferrer noopener">https://publicacoes.epagri.sc.gov.br/RAC/article/view/860</a>
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https://www.socictopen.socict.org/files/original/55cc5e5be9fd1f7056b7405001a17553.pdf
54fbcdd62e5d83e4ff1d2449f78d7e8b
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Aspectos da ecologia dos flebótomos do Parque Nacional da Serra dos Orgãos, Estado do Rio de Janeiro: V. Preferências alimentares (Diptera, Psychodidae, Phlebotominae) Ecological aspects of sandflies of the National Park of Serra dos Orgãos, State of Rio de Janeiro: V. Food preferences (Diptera, Psychodidae, Phlebotominae)
Creator
An entity primarily responsible for making the resource
Gustavo Marins de Aguiar, Maurício Luiz Vilela, Thaís Soucasaux
Description
An account of the resource
Realizamos capturas simultâneas de flebótomos, no Parque Nacional da Serra dos Orgãos, Estado do Rio de Janeiro, utilizando três iscas: homem, gambá e galo. Em 298h capturamos 1.155 fêmeas de seis espécies do gênero Lutzomya. L. ayrozai e L. hirsuta foram as espécies mais numerosas; ambas sugaram somente próximo ao solo, sendo decididamente antropofílicas e mais ativas entre 17 e 24h. L. fischeri foi a espécie mais freqüente na copa e a que demonstrou maior ecletismo quanto ao hospedeiro, hora e local; na copa sugou mais o galo, especialmente entre 0 e 5h e, no solo, picou com maior intensidade o homem, principalmente entre 20 e 24h.In 298 hours of simultaneous sandfly captures on man, opossum and chicken in the National Park of Serra dos Órgãos, Rio de Janeiro State, 1,155 females of six species of Lutzomyia were obtained, L. ayrosai and L. hirsuta were the most numerous species, both feeding only near the ground, being decidedly anthropophilic and more active between 5 p.m. and midnight. L. fischeri was the dominant species at the canopy, where it fed chiefly on the chicken and from 4 to 5 a.m., although at ground level it fed mostly from 8 to 12 p.m. and preferred man.
Date
A point or period of time associated with an event in the lifecycle of the resource
1986
Subject
The topic of the resource
National Park of Serra of Órgãos, Parque Nacional da Serra dos Órgãos, Preferências alimentares, ecology, ecología, flebótomos, host preferences, sand flies
Identifier
An unambiguous reference to the resource within a given context
10.1590/S0074-02761986000400018
Source
A related resource from which the described resource is derived
Memórias do Instituto Oswaldo Cruz.
Publisher
An entity responsible for making the resource available
Instituto Oswaldo Cruz, Ministério da Saúde
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Microbiology, Arctic medicine. Tropical medicine
Relation
A related resource
<a href="http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02761986000400018" target="_blank" rel="noreferrer noopener">http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02761986000400018</a>
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https://www.socictopen.socict.org/files/original/e92e885097db2275f2a50753471f5b42.pdf
aca0ff9788210b594db850086469ec2b
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Aspectos da ecologia dos flebótomos do Parque Nacional da Serra dos Orgãos, Rio de Janeiro: IV. Frequência mensal em armadilhas luminosas (Diptera, Psychodidae, Phlebotominae)
Creator
An entity primarily responsible for making the resource
Gustavo Marins de Aguiar, Maurício Luiz Vilela, Pedro D'Almeida Schuback, Thaís Soucasaux, Alfredo Carlos R. de Azevedo
Description
An account of the resource
Durante dois anos completos - outubro de 1981 a setembro de 1983 - capturamos flebótomos em armadilhas luminosas no Parque Nacional da Serra dos Órgãos. As armadilhas eram colocadas, semanalmente, em pontos estratégicos na floresta, sempre no mesmo local e hora, ficando expostas por 12 horas. Foram gastas 732 horas e obtidos 2.730 flebótomos pertencentes a 17 espécies, quatro do gênero Brumptomyia França & Parrot, 1921 e 13 do gênero Lutzomyia França, 1924. a proporção de machos em relação ao número total foi de 76,3%. As espécies L. barrettoi, L. ayrozai e L. hirsuta corresponderam a 95% do total, sendo que a primeria somou quase o dobro de exemplares das outras duas juntas. L. ayrozai foi a mais numerosa na época quente e úmida e L. hirsuta na masi fria e seca, do mesmo modo que L. barrettoi, sendo que esta só ocorreu nesta época do ano. O número de espécies e espécimens foi bem maior na área B, onde as armadilhas foram colocadas perto do solo, próximas a tocas de animais silvestres, do que na área A, onde foram instaladas afastadas do solo, em local de vegetação mais fechada e perto de árvores com raízes tabulares. Após o repouso pós-alimentar, na procura de locais adequados para a postura, acreditamos que as fêmeas tenham maior atração pela fonte luminosa, pois verificamos um número considerável de fêmeas grávidas. Também em armadilhas luminosas constatamos que a lua nova foi mais favorável à coleta de flebótomos e a lua cheia a de menor rendimento.During two full years - from October 1981 to September 1983 - we captured sandflies using light traps in the National Park of Serra dos Órgãos, state of Rio de Janeiro, Brazil. The traps were strategically located in the forest once every week, in the same place, from 6 p.m to 6 a.m. on the next day. In 732 hours, 2,730 sandflies of 17 species were collected, four of the species belonged to the genus Brumptomyia França & Parrot, 1921 and 13 to the genus Lutzomyia França, 1924. Males accounted for 76.3% of all specimens. L. barrettoi, L. ayrozai and L. hirsuta corresponded to 95% of the total and the first was almost twice as numerous as the other two taken jointly. L. ayrozai was more abundant in the warm wet season, L. hirsuta in the cold dry sease, which was the only part of the year when L. barrettoi could be found. The number of species and specimens was greater in an area (B) where the traps were placed near the ground, close to wild animal burrows, than in another area (A) in which the traps were located far from the ground with thick vegetation and trees with tubular roots. We believe that after feeding the females are attracted to the source of light, because a considerable number of pregnent specimens were found in the traps. As we had previously observed in captures using human baits, the sandflies were more numerous in the light traps during the new moon that at full moon.
Date
A point or period of time associated with an event in the lifecycle of the resource
1985
Subject
The topic of the resource
Parque Nacional da Serra dos Órgãos, armadilhas luminosas, ecología, flebótomos
Identifier
An unambiguous reference to the resource within a given context
10.1590/S0074-02761985000400014
Source
A related resource from which the described resource is derived
Memórias do Instituto Oswaldo Cruz.
Publisher
An entity responsible for making the resource available
Instituto Oswaldo Cruz, Ministério da Saúde
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Microbiology, Arctic medicine. Tropical medicine
Relation
A related resource
<a href="http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02761985000400014" target="_blank" rel="noreferrer noopener">http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02761985000400014</a>
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https://www.socictopen.socict.org/files/original/bf4fc11e86dba291173fa2c9fbff5a3f.pdf
fac848b04045f4844dae2b5ff5402781
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
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Title
A name given to the resource
ASPECTOS DA GEOGRAFICIDADE DA ALIMENTAÇÃO NUM BAIRRO URBANO POPULAR: O CASO DO BAIRRO “JARDIM TROPICAL”, MUNICÍPIO DE SERRA – ES
Creator
An entity primarily responsible for making the resource
Cleberson Prudêncio Saraiva
Description
An account of the resource
Estudo da alimentação como uma necessidade humana e um fenômeno social, portador de geograficidade. Análise dessa questão por meio do fluxo de pessoas que vão aos objetos geográficos e vendem alimentos, por intermédio do cultivo dos quintais domiciliares e do consumo de alimentos orgânicos. Definição de totalidade espaçotemporal a partir da construção teórica dos Dois circuitos da economia urbana, de Milton Santos, articulada com a observação da Paisagem e a vivência do Cotidiano, ambas complementadas por uma pesquisa qualitativo-quantitativa na área deste estudo. Conclusão de que, se por um lado, a geograficidade da alimentação baseia-se sobretudoem razões econômicas e funcionais, por outro lado, participam nisso, em menor intensidade, os fatores culturais e afetivos
Date
A point or period of time associated with an event in the lifecycle of the resource
2010
Subject
The topic of the resource
Agricultura urbana, Geograficidade da alimentação, alimentos orgânicos
Source
A related resource from which the described resource is derived
Geografares
Publisher
An entity responsible for making the resource available
Editora da Geografia
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Geography (General), Geography. Anthropology. Recreation
Relation
A related resource
<a href="http://www.periodicos.ufes.br/geografares/article/view/1289/971" target="_blank" rel="noreferrer noopener">http://www.periodicos.ufes.br/geografares/article/view/1289/971</a>
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https://www.socictopen.socict.org/files/original/14627a07afb4c3e3eaa022cb937dfa5f.pdf
39258f33cbfe7d21a80142bb9fe6a82a
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Aspectos da Impenhorabilidade da Pequena Propriedade Rural e o Desenvolvimento Rural: Garantia Constitucional da Agricultura Familiar
Creator
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Cidonea Machado Deponti, Elia Denise Hammes
Description
An account of the resource
The aim of this paper is to analyze the opening of the family farm to the market, and from this reality to verify the importance of the constitutional guarantee of unseizability of small farms, paying attention to important aspects regarding to the interpretation of the Judiciary. Considered for methodological issues of this article, documentary research along with an analytical-descriptive analysis based on secondary data as laws and jurisprudence which were collected on governmental websites. The Federal Constitution of 1988, in an unprecedented manner, established the small farm, since exploited by the family, as well absolutely unseizable to debts generated as a result of their productive activity. The importance of family agriculture for the country has been verified and it has been shown that the judiciary in its bodies comes, as a rule, participating in the maintenance of the family farmer in the small rural property, without losing it due to its debts, made in view of its productive activity, applying not only the constitutional principles, but also the infra-constitutional legislation.
Date
A point or period of time associated with an event in the lifecycle of the resource
2017
Subject
The topic of the resource
Rural Property, family farm, unseizability
Identifier
An unambiguous reference to the resource within a given context
10.21527/2237-6453.2017.39.236-261
Source
A related resource from which the described resource is derived
Desenvolvimento em Questão
Publisher
An entity responsible for making the resource available
Universidade Regional do Noroeste do Estado do Rio Grande do Sul
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Economic growth, development, planning
Relation
A related resource
<a href="http://www.redalyc.org/articulo.oa?id=75250552010" target="_blank" rel="noreferrer noopener">http://www.redalyc.org/articulo.oa?id=75250552010</a>
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https://www.socictopen.socict.org/files/original/74b1409bf1ed89c8e21b815e2bb5daa4.pdf
1219e18514d36366d7cc209a46df9a58
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
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Title
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Aspectos de la degradación del medio ambiente: su influencia en el clima
Creator
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José Amestoy Alonso
Description
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La degradación del medio ambiente es un hecho que está cobrando en la actualidad uninterés inusitado.Instituciones, organismos, ecologistas, organizaciones no gubernamentales, comunidadde científicos, etc., estudian con detenimiento las causas y las soluciones de la degradaciónde los bosques tropicales, praderas, estepas, sabanas, así como la acumulación de dióxido decarbono en la atmósfera y el calentamiento global, analizando las consecuencias en elámbito humano, político, económico y climático.La erosión de los suelos y la desertificación en el mundo, y en particular en las áreas áridas,es un problema que está alcanzando una gran magnitud.La contaminación atmosférica, junto con la cada vez mayor quema de combustibles fósiles,provoca lluvias ácidas, agujeros en la capa de ozono, efecto invernadero, elevación de latemperatura global, etc.
Date
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2001
Source
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Papeles de Geografía
Publisher
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Universidad de Murcia
Coverage
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Geography (General)
Relation
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<a href="http://www.redalyc.org/articulo.oa?id=40703402" target="_blank" rel="noreferrer noopener">http://www.redalyc.org/articulo.oa?id=40703402</a>
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https://www.socictopen.socict.org/files/original/d8d112f82aa3f4dc95271471fc89f6ff.pdf
545d87b3a5a190a306554558a07c38b8
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
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Agricultura sostenible
Description
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Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
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The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Aspectos de la relación entre Thalurania Furcata Colombica (Aves Trochilidae) y las flores en que liba, en un bosque subandino Aspectos de la relación entre Thalurania Furcata Colombica (Aves Trochilidae) y las flores en que liba, en un bosque subandino
Creator
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Ayala R. Ana Victoria
Description
An account of the resource
El mayor nivel de coadaptación ave nectarívora-flor conocido hasta el momento, se ha logrado en los Trochilidae (VAN DER PIJL & DODSON,1969; FEINSINGER et al., 1979) ; tanto, que se ha hablado de flores adaptadas a la polinización por una especie particular de colibrí, y de colibríes que dependen para su alimentación de una sola clase de flor (SNOW & SNOW, 1980).Los factores principales que afectan la selección de alimento por parte de los colibríes están relacionados con: hábitat y estratificación de la vegetación (STILES & VVOLF,1970; FEINSINGER & CoLWELL, 1978), distribución espacial y características de las flores (FEINSINGER & COLYVELL,1978; FEINSINGER et al., 1979), distribución temporal del alimento (WOLF et al., 1976), morfología del pico del ave (FEINSINGER & COLWELL, 1978; STILES, 1978 a; FEINSINGER et al., 1979), tamaño del cuerpo (VVOLF et al., 1976), 'disco de sustentación del ala' (wing disc loading) y, finalmente, la energía que el colibrí requiere para sustentarse en el aire (EPTING & CASEY, 1973; WOLF et al., 1976). Colombia está incluida en el área central de evolución de los Trochilidae (SNOW & SNOW,- 1980) y posee numerosas especies así como riqueza de hábitats ocupados por ellos. Al igual que trabajos anteriores (SNOW & SNOW, 1980; MURCIA, 1983), el presente aporta al conocimiento de la ecología de los colibríes en este país; especificamente, trata algunos aspectos de la interacción Thalurania furcata colombica-flor proveedora de alimento en un Bosque Subandino. Between April and September 1983 observations were made on the relations between Thalurcnia furcata colombica and flowers in the laguna de Pedro Palo area (Cundinamarca, Colombia). The hummingbird was seen visiting 15 species of plants (beloging to 13 families) situated mainly on the edge of forest, among which the following species showed a high degree of ornithophily: Besleria solanoides (Gesneriaceae), Bomarea racemose (Amaryllidaceae), Cornutia odorata (Verbenaceae), Erythrina edulis (Fabaceae) and Palicourea popayanensis (Rubiaceae). Nectar was available for hummingbirds during the six months of study. Although males and females of the species had similar habitat and food preferences, a relatively small number of agressive encounters between them was recorded. Three mechanisms were recognized which contributed to reduce these encounters: 1. a difference in foraging strategies, males being predominantly territorial and females generalists (behaving as territorial or 'trapliners' according to circumstances) ; 2. differences in the temporal organization of their foraging activity through the day; 3. differences in spatial organization, males and females tending to exploit different parts of the same plant. Thalurania furcata defended its feeding territories against individuals of its own and other species of hummingbirds (Chlorostilbon gibsoni, Coeliqena prunellei and others), flower-piercers (mainly Dlglossa sittoides), and butterflies.
Date
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1986
Subject
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Aves Trochilidae, Bosque subandino, Colibríes, Thalurania Furcata Colombica, nectarívoros
Source
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Caldasia
Publisher
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Universidad Nacional de Colombia
Coverage
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Science, Botany, Zoology
Relation
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<a href="http://www.revistas.unal.edu.co/index.php/cal/article/view/34942" target="_blank" rel="noreferrer noopener">http://www.revistas.unal.edu.co/index.php/cal/article/view/34942</a>