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Now showing items 11-20 of 41
Caracterização dos grupos funcionais de espécies arbóreas do cerrado
(Universidade Federal de São Carlos, 2016-08-10)
The Cerrado is a vegetation complex characterized by climate seasonality that imposes to tree species a water stress during the dry season. Cerrado tree species are frequently classified according to the leaf deciduousness ...
Busca de extratos e compostos ativos com potencial herbicida e inseticida nas espécies Davilla elliptica St. Hill e Ocotea pulchella Nees & Mart
(Universidade Federal de São Carlos, 2016-03-16)
Brazil by presenting incomparable biodiversity, distributed in mosaic wonderfully distinct biomes becomes a promising the field of study in seeks of new phytochemicals extracted from native plants with biological activity ...
Epifitismo vascular e estado de conservação de fragmentos florestais na Bacia Hidrográfica do Sorocaba/Médio Tietê, São Paulo, Brasil
(Universidade Federal de São Carlos, 2013-11-27)
About 10 % of all vascular plants in the world are epiphytes. Vascular epiphytes settle on the host trees (phorophytes) without producing haustorial structures, aiming to increase access to sunlight, even at the expense ...
Alelopatia e bioprospecção de Rapanea ferruginea e de Rapanea umbellata
(Universidade Federal de São Carlos, 2011-07-11)
Allelopathy is a process that involves primary or secondary metabolites produced by plants and microorganisms, which influences the growth and development of agricultural and biological systems. The intensity of plant ...
Aves da Estação Ecológica de Santa Bárbara, um dos últimos remanescentes de Cerrado aberto em São Paulo, Brasil
(Universidade Federal de São Carlos, 2015-12-21)
In the state of São Paulo, southeastern Brazil, the phytophysiognomy known as Cerrado
takes less than 1% of its original cover. The establishment and management of protected
areas are essential to save a significant ...
The role of fruit crop size, diversity of avian frugivores and long-term temporal variation over seed dispersal effectiveness in a neotropical savanna
(Universidade Federal de São Carlos, 2020-03-20)
Fruit crop size may be a key-trait for attracting an abundant and diverse assemblage of dispersers, possibly leading to positive outcomes for seed dispersal effectiveness (SDE). Temporal changes in resources or frugivore ...
Florística e fitossociologia das espécies lenhosas no cerrado da fazenda Canchim (São Carlos, SP)
(Universidade Federal de São Carlos, 2004-09-02)
The situation of the remaining cerrado areas in Brazil is worrisome, and more
studies are necessary to establish effective conservation strategies. We studied several aspects of the Woody
species in two campo cerrado ...
Sistemas de polinização em fragmentos de Cerrado na região do Alto Taquari (GO, MS, MT).
(Universidade Federal de São Carlos, 2005-02-25)
The Cerrado Domain occupied originally 23% of the Brazilian territory (ca. 2 million km2),
especially in the Central Plateau, being the second largest phytogeographic province of Brazil.
The cerrado vegetation is not uniform ...
A experiência estética no Cerrado para a formação de valores estéticos e éticos na educação ambiental
(Universidade Federal de São Carlos, 2015-03-26)
Our world views are based on principles, feelings, emotions that go through a dimension of
human life which involve ethical and aesthetic values. However, the formation of values is a
less explicit dimension of environmental ...
Avaliação do potencial fitotóxico de frações e subfrações de folhas, cascas de caule e raízes de Ocotea pulchella e dos compostos salicilato de benzila e benzoato de benzila sobre espécies invasoras
(Universidade Federal de São Carlos, 2020-12-21)
Plants synthesize a wide variety of chemicals in response to biotic and abiotic stresses. These substances are usually associated with plant defense processes against herbivores and pathogens. These substances, derived ...