Lands
Mostrando 13-24 de 317 artigos, teses e dissertações.
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13. The rarest of the rare: rediscovery and status of the critically endangered Belem Curassow, Crax fasciolata pinima (Pelzeln, 1870)
Abstract The Belem Curassow (Crax fasciolata pinima) is one of the most endangered birds in South America, without sightings of birds in the wild for 40 years. This subspecies is nationally and internationally classified as critically endangered and close to extinction, suffering from poaching and deforestation in its range. Here we present new records of fr
Pap. Avulsos Zool.. Publicado em: 21/10/2019
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14. Modeling of the Rainfall and R-Factor for Tocantins State, Brazil
ABSTRACT The state of Tocantins is inserted in the new Brazilian agricultural frontier and has shown enormous potential for expansion of the agricultural lands. However, there is a lack of more elaborate scientific information for better planning and guide agricultural activities, especially regarding the soil and water conservation. Tocantins has a relevant
Rev. Bras. Ciênc. Solo. Publicado em: 30/09/2019
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15. Interspecific Competition Between Sweet Sorghum and Weeds
RESUMO: Enquanto evidências indicam o sorgo sacarino [Sorghum bicolor (L.) Moench] como uma matéria-prima de etanol alternativa durante a entressafra da cana-de-açúcar (Saccharum officinarum L.), pouco se sabe sobre sua capacidade produtiva em condições adversas (sob competição com plantas daninhas, por exemplo). Portanto, o objetivo do presente estu
Planta daninha. Publicado em: 30/09/2019
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16. Guaruman: a Natural Amazonian Fiber with Potential for Polymer Composite Reinforcement
The Amazonian region of South America is known for its diversified number of plants from which food, medicine, wood and fibers have, since long time, been produced by local natives. A typical example is the guarumã (“guaruman”as suggested English spelling) scientifically identified as Ischinosiphon koem, an abundant plant found in the low lands alongsid
Mat. Res.. Publicado em: 12/08/2019
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17. Does the widely distributed rodent Calomys tener (Cricetidae: Sigmodontinae) constitute a single evolutionary unit?
ABSTRACT The nominal species Calomys tener (Winge, 1887) ranges broadly in open lands of the Caatinga, Cerrado, Pantanal and Mata Atlântica of Brazil, and was recently reported from the Pampas of southern Brazil, and in the Selva Paranaense of eastern Paraguay and northeastern Argentina. This rodent can be infected with the pathogenic Araraquara hantavirus
Zoologia (Curitiba). Publicado em: 06/06/2019
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18. Territorialidade quilombola e trabalho: relação não dicotômica cultura e natureza
Resumo O artigo traz a discussão sobre trabalho e territorialidade quilombola como processos não dicotômicos se tomada a categoria trabalho como não mediada por proprietários dos meios de produção, em que a relação cultura e natureza ocorre numa dinâmica em que o ser humano faz a si e o meio onde vive e trabalha. A pergunta orientadora é: de que m
Rev. katálysis. Publicado em: 09/05/2019
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19. Assessment of Trace Element Contents in Soils and Water from Cerrado Wetlands, Triângulo Mineiro Region
ABSTRACT In the Brazilian Cerrado biome, there are wetlands locally known as “Veredas”, which are swampy plains between hills and rivers. Since the 1970’s, the Cerrado biome has been gradually converted to livestock, crop, or forestry production. Until now, very few studies were conducted to evaluate the baseline contents of trace elements in Cerrado w
Rev. Bras. Ciênc. Solo. Publicado em: 29/04/2019
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20. O RIO DA PRATA, A INDEPENDÊNCIA E A ABOLIÇÃO: PERSPECTIVAS DE LIBERDADE DOS ESCRAVOS NO ALÉM-FRONTEIRA
Resumo o presente artigo tem por objetivo analisar as possibilidades de liberdade de escravos oriundos de terras do Brasil para as colônias espanholas no contexto das lutas pela independência política ocorridas a partir de 1810. Procuramos dar um panorama da política nesse período e apresentar algumas trajetórias negras no decorrer destas lutas, sobret
Estud. hist. (Rio J.). Publicado em: 25/04/2019
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21. Optimal Simulation of the Land-Use Structure Based on the Local Ecological Environment: the Case of Huanghua City in Hebei Province, China
ABSTRACT The overuse of land has resulted in a sharp decline in ecological functions, affecting the environment as it relates to the existence and sustainable development of the whole biosphere. This work aims to evaluate the ecological and economic efficiencies of the land-use structure. A simulation model, CLUE-S (Conversion of Land-Use and its Effects at
Rev. Bras. Ciênc. Solo. Publicado em: 15/04/2019
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22. Identifying agriculture land acquisitions for alleviating future food security concerns
Abstract The total available land for food, fuel, or forests is finite, while land demand is increasing and expected to increase further in the coming decades; resulting in deterioration of food security. Therefore, the corporate world adopted a solution of acquiring international agricultural land. Consequently, the global demand for land has progressively
Food Sci. Technol. Publicado em: 11/04/2019
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23. Developing a Soil Physical Quality Index (SPQi) for lowlands under different deployment times of no-tillage
ABSTRACT: Soil physical quality in lowlands from the Pampa biome under no-tillage (NT) plays an important role; therefore, this study aimed to establish a soil physical quality index (SPQi) from a minimum data set to detect the effects of different deployment times of NT in an Albaqualf. The comparison of areas with one (NT1), three (NT3), five (NT5) and sev
Sci. agric. (Piracicaba, Braz.). Publicado em: 2019-04
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24. Remetente em metamorfose: Joan Ponç no turbilhão cultural brasileiro
Resumo Este artigo tem como objetivo estudar a obra do pintor Joan Ponç, um dos renovadores das vanguardas artísticas da pós-guerra civil espanhola, durante sua estância no Brasil. Dos quase 10 anos no país, de 1953 a 1962, nos restringiremos ao período de 1956 a 1959, a fim pensar seus contatos, apropriações e contenções em solo brasileiro. Atrav�
Alea. Publicado em: 2019-04