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Áreas para conservação no bioma caatinga por meio da análise de fatores biofísicos e antrópicos com a diversidade florística. Repositório Alice
COSTA, T. C. E. C. da; ACCIOLY, L. J. D. O.; OLIVEIRA, M. A. J. de; OLIVEIRA, L. M. T. de; GUIMARAES, D. P..
The flora diversity of caatinga biome was related to biophysical and human factors as an indication of conservation areas. Multicriteria analysis was used to indicate regions with favorable conditions for greater diversity, through biophysical factors, and regions with less human pressure, based on socio-economic variables extracted from agricultural census. The results were compared with inventories of flora, phyto-sociology and biomass. Some biophysical factors showed significant relationships with the diversity of flora in the caatinga. The areas indicated by these factors were analyzed in conjunction with anthropic factors, thus allowing for the identification of potential areas for conservation in the Caatinga biome.
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Decision support; Biodiversity; Conservation unit; Suporte a decisão; Biodiversidade; Unidade de conservação.
Ano: 2009 URL: http://www.alice.cnptia.embrapa.br/handle/doc/491024
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Reproductive strategies of fish populations from three Neotropical streams - doi: 10.4025/actascibiolsci.v35i2.10932 Biological Sciences
Zanatta, Naiara; Universidade Estadual de Maringá; Cionek, Vivian de Mello; Universidade Estadual de Maringá; Benedito, Evanilde; Universidade Estadual de Maringá.
This study aimed to characterize the reproductive strategies of fish from first order streams. Samplings were performed every three months from June 2008 to March 2009, using electric fishing at three streams: Conceição, Scherer and Jurema, located in the municipalities of Diamante do Norte and Amaporã, Paraná State, Brazil. We obtained the total weight (g), standard or total length (cm), sex and maturation stage for each specimen. Limnological data were obtained with portable equipments. The minimum length at first maturation was established for each population, and reproduction period was determined by analyzing the distribution of maturation stages. The sex ratio was obtained and tested (X2) for significant differences. Eight species were analyzed and...
Tipo: Reprodução Palavras-chave: 2.00.00.00-6 upper Paraná river basin; Sex ratio; Conservation unit; Reproductive stages 2.05.02.00-1.
Ano: 2013 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/10932
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