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Registros recuperados: 5
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Alguns problemas da mandioca na Amazônia Oriental. Infoteca-e
ALBUQUERQUE, M. de..
1973
Tipo: Outras publicações técnicas (INFOTECA-E) Palavras-chave: Mandioca; Manejo; Produto; Enriquecimento; Tecnologia; Amazônia; Brasil; Cassava; Management; Product; Enrichment; Technology.
Ano: 1973 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/374152
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Evolution de communautés phytoplanctoniques après fertilisation modérée ArchiMer
Jacques, G.; De Billy, G..
One approach to the problem of aquaculture consists in a simple acceleration of natural processes in extended areas of salt or brackish water. From this point of view, the authors have been in­terested in the effect of moderate fertilization on natural communi­ties . A first series of experiments (8) was made in an exter­nal tank of 3000 liters. After fertilization, the development of flowering diatoms was obtained each time. The time of latency, the level of production reached, the composition of the final communities is to some extent variable, but bacterial development may be neglec­ted. In contrast to earlier results, obtained in small volumes of water, these experiments have always led to simplified communities mostly dominated by the diatom...
Tipo: Text Palavras-chave: Phytoplancton; Fertilisation; Chémostat.; Phytoplankton; Nutrient; Enrichment; Chemostat.
Ano: 1979 URL: http://archimer.ifremer.fr/doc/00306/41688/40897.pdf
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Identificación de especies leñosas nativas promisorias para la restauración de la selva baja caducifolia del centro de Veracruz. Colegio de Postgraduados
Suárez Islas, Alfonso.
El objetivo de esta tesis fue identificar leñosas nativas de valor socioeconómico y ecológico para la restauración de la selva baja caducifolia de Paso de Ovejas, Veracruz. Se estudio: 1) el conocimiento local de las especies leñosas, a través de talleres y entrevistas y 2) el desempeño inicial de ocho de estas especies en un potrero degradado, plantadas en forma mixta así como en enriquecimiento. El estudio del conocimiento local arrojó un total de 76 especies citadas. Se analizaron los datos a través de índices de importancia cultural, percepción de escasez e importancia para fauna silvestre. Todas las especies mencionadas fueron útiles, las más importantes fueron fabáceas. Dos tercios del total se percibieron como escasas; el 70% fueron consideradas...
Palavras-chave: Conocimiento local; Desempeño de plantas; Importancia cultural; Plantación mixta; Plantación de enriquecimiento; Cultural importance; Enrichment; Local knowledge; Mixed plantation; Seedling performance; Botánica; Doctorado.
Ano: 2011 URL: http://hdl.handle.net/10521/621
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Management of natural pasture increases native and exotic herbaceous biomass and biodiversity in the Caatinga of Brazil. Repositório Alice
CONRADO, J. A. de A.; CAVALCANTE, A. C. R.; TONUCCI, R. G.; SALDANHA, A. R.; CÂNDIDO, M. J. D..
Abstract: The objective of this study was to evaluate the ability of savanna thinning and enrichment with grasses to maintain local biodiversity and intensify biomass production in an area of Caatinga. The study was carried out in a Caatinga area thinned into savanna and an unmanipulated area during the rainy and rainy-dry transition seasons of 2016. The herbaceous biomass production, diversity, and equability of the thinned and unmanipulated areas were evaluated by calculating values of the Shannon-Weaver (H') and Pielou (J') indices. The establishment of massai and buffel grasses in the savanna-thinned area was also evaluated. The area thinned into savanna produced more native herbaceous forage biomass in both the rainy (1,940.55 kg ha-1) and rainy-dry...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Unmanipulated area; Massai grass; Buffel grass; Enrichment; Savanna thinning; Área não manipulada; Capim-massai; Enriquecimento; Raleamento em savana; Biomassa de forragem; Herbaceous species; Native species; Capim Buffel; Composição Botânica; Botanical composition; Shrubs; Introduced species.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1108495
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Response of the brain to enrichment Anais da ABC (AABC)
DIAMOND,MARIAN C..
Before 1960, the brain was considered by scientists to be immutable, subject only to genetic control. In the early sixties, however, investigators were seriously speculating that environmental influences might be capable of altering brain structure. By 1964, two research laboratories proved that the morphology and chemistry or physiology of the brain could be experientially altered (Bennett et al. 1964, Hubel and Wiesel 1965). Since then, the capacity of the brain to respond to environmental input, specifically "enrichment,'' has become an accepted fact among neuroscientists, educators and others. In fact, the demonstration that environmental enrichment can modify structural components of the rat brain at any age altered prevailing presumptions about the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Enrichment; Cerebral cortex; Hippocampus; Aging; Adult neurogenesis; Dendrites.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652001000200006
Registros recuperados: 5
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