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Determinant factors to the dominance of African grasses in two tropical seasonally dry ecosystems
(Universidade Federal de São Carlos, 2015-02-26)
While grasses have a large ecological and economical relevance all over the world, they also may be aggressive invaders. Many African grasses are invaders in other Neotropical seasonally dry ecosystems. Positive response ...
Influência de compostos xenobiontes na densidade, diversidade e função ecológica bacteriana de degradação do agrotóxico fipronil
(Universidade Federal de São Carlos, 2015-06-15)
The actual agricultural production system requires the use of chemicals such as pesticides and antimicrobials. These compounds, when reach aquatic environments, can cause serious environmental problems and affect target ...
Análise da variabilidade genética e parentesco de Lycalopex vetulus (LUND, 1842), de uma região de cerrado do norte de Minas Gerais e sudeste de Goiás – Brasil
(Universidade Federal de São Carlos, 2015-06-10)
This study describes the genetic diversity of a population of Hoary foxes (Lycalopex vetulus), animal whose habitat is in the physiognomy of Cerrado, one of the most fragmented and disturbed areas of Brazil. To this end, ...
Efeitos do fogo sobre assembleias de aves de cerrado
(Universidade Federal de São Carlos, 2015-03-27)
Fire is an ecological factor which seasonally affects fire-prone ecosystems, such
as grasslands and open savannas of the Cerrado, and changes some patterns
of the biota. This study aimed to investigate the influence of ...
Análise de predação intraguilda em alfafa
(Universidade Federal de São Carlos, 2015-09-11)
Aphids are considered as pests in several crops causing direct and indirect damage to the plants. In alfalfa fields (Medicago sativa), the species Acyrthosiphon pisum, Acyrthosiphon kondoi, Aphis craccivora and Therioaphis ...
Cultivo de Chlorella vulgaris em vinhaça convencional e biodigerida tratadas : uma abordagem ecofisiológica
(Universidade Federal de São Carlos, 2015-10-23)
Vinasse is a waste of sugarcane industry and, due to the presence of organic matter and mineral
nutrients, it has been used for the irrigation of the sugarcane crops. However, its composition
limits such application due ...
Educação ambiental em zoológicos do nordeste paulista para a conservação da onça parda (Puma concolor) : reflexões sobre atividades e estruturas educadoras
(Universidade Federal de São Carlos, 2015-05-05)
Zoos house many specimens of native fauna and have great potential to contribute to Environmental Education for biodiversity conservation. However, some studies have pointed that even when these institutions carry on ...
Toxoptera citricidus (Kirkaldy,1907) (HEMIPTERA : APHIDIDAE) : aspectos biológicos e respostas às ações de bioinseticidas
(Universidade Federal de São Carlos, 2015-09-11)
Aphids are important pests in agriculture, mainly because they are vectors of phyto-pathogenic virus. One of the ways to control these insects, is the use of botanical insecticides. However in order to the control to be ...
Estudo taxonômico e ecológico dos Ichneumonidae (Hymenoptera, Ichneumonoidea) em área de mata atlântica em diferentes estágios sucessionais, no Parque Estadual da Serra Do Mar, São Luiz do Paraitinga, SP, Brasil
(Universidade Federal de São Carlos, 2015-09-09)
The Hymenoptera parasitoids have valuable ecological role as predators, pollinators,
and parasitoids, being responsible for the natural control of populations of many phytophagous species. This paper aims to contribute ...
Influência dos antimicrobianos oxitetraciclina e imazalil sobre a decomposição da macrófita aquática Egeria najas Planch
(Universidade Federal de São Carlos, 2015-05-27)
The pharmaceutical compounds residues, especially antibiotics, are among the most
worrying emerging environmental contaminants. These residues potentially cause
negative effects on microorganisms that play an important ...