Floral Resources
Mostrando 25-36 de 41 artigos, teses e dissertações.
-
25. Biossistematica das especies do complexo Anemopaegma arvense (Vell.) Stellf. ex de Souza (Bignoniaceae, Bignonieae) : aspectos anatomicos, citologicos, moleculares, morfologicos e reprodutivos / Biossystematics of the Anemopaegma arvense (Vell.) Stellf. ex de Souza complex (Bignoniaceae, Bignonieae) : anatomical, cytological, molecular, morphological and reproductive aspects
Anemopaegma arvense complex is constituted by species and varieties of difficult delimiting. Taxonomists opinions based upon morphologic features are controversial as to considering them either an only highly polymorphic species or separating them into different taxa. In order to help with the circumscription of such taxa, a biosystematic study was conducted
Publicado em: 2009
-
26. Distribuição espaço-temporal de recursos florais utilizados por espécies de Xylocopa (Hymenoptera, Apidae) e interação com plantas do cerrado sentido restrito no Triângulo Mineiro / Distribution on space and time of floral resources used by Xylocopa spp. and their interactions with plants of cerrado (stricto sensu) in the Triângulo Mineiro
A identificação dos recursos florais utilizados pelas abelhas é o primeiro passo para a elaboração de planos de manejo e conservação das populações de polinizadores no cerrado. A redução de áreas naturais e conseqüentemente, de sítios para a sua nidificação e de recursos florais utilizados na alimentação de adultos e imaturos, é o principa
Publicado em: 2009
-
27. InteraÃÃes entre plantas e abelhas nas matas ciliares do Rio SÃo Francisco
The Apoidea constitute a monophyletic group which devolved numerous relations with plants and are the main pollinators of the SÃo Francisco river gallery forest and of the Caatinga. However, their diversity is poorly known. Studies on the apifauna composition and its associated flora were conducted during one year in this environment. The analyses on the sp
Publicado em: 2008
-
28. Coccinellidae (Coleoptera) usando plantas aromáticas como sítio de sobrevivência e reprodução em sistema agroecológico, e aspectos biológicos em condições de Laboratório / Coccinellidae (Coleoptera) using aromatic plants as survival and reproduction site in agroecological system, and biological aspects under laboratory conditions.
Among the natural enemies of agriculture pests, the Coccinellidae predators are detached. Some coccinellids only complete their development and produce viable eggs and progenies when they consume their preferred prey. However, when this prey is scarce or in presence of a prey of low quality, certain coccinellids feed on alternative food resources, such as ex
Publicado em: 2008
-
29. Biologia da polinização e reprodução de especies de Melastomataceae do Parque Nacional da Serra da Canastra (MG) / Pollination and reproductive biology of Melastomataceae from Serra da Canastra National Park (MG, Brazil)
This study examines the reproductive phenology, pollination ecology, and mating systems of 10 species of Melastomataceae that occur in the Serra da Canastra National Park, Minas Gerais. Seasonality exposes plants to periodic changes in quality and abundance of resources. Flowers of many species can be found throughout the year, but there are well-defined pea
Publicado em: 2008
-
30. Bromeliaceae Juss. dos Campos Rupestres do Parque Estadual do Itacolomi, Minas Gerais, Brasil: florística e aspectos fenológicos / Bromeliaceae Juss. in the Rocky Fields of the Itacolomi State Park, Minas Gerais, Brazil: floristic and phenological aspects
The State Park of Itacolomi (PEI) is located in the cities of Ouro Preto and Mariana, state of Minas Gerais, between meridians 433230 and 432230 W and the parallel 202230 and 203000 S, occupying an area of approximately 7,000 ha, composing the south region of the Range Espinhaço. Its vegetation is classified, in its majority, as Rocky Fields, occupying at a
Publicado em: 2008
-
31. Densidade de recursos florais em múltiplas escalas espaciais: conseqüências para a interação planta-polinizador e demografia de Abutilon rufinerve (Malvaceae) / Floral resource availability in multiple hierarchical spatial scales and its consequences to plant-pollinator interaction and demography of Abutilon rufinerve (Malvaceae)
Heterogeneity is a remarkable characteristic of biological systems. This thesis is about the influence of heterogeneity on plant-pollinator interaction and on demography of a tropical treelet Abutilon rufinerve. With an approach of hierarchical scales of patch structure we: 1. characterized the spatio-temporal variation on the availability of floral resource
Publicado em: 2007
-
32. Fenologia de floração e polinização de espécies ornitófilas na Serra da Bodoquena, Mato Grosso do Sul, Brasil
Hummingbirds are the major group of vertebrate pollinators in the neotropical region and, at these sites, plants pollinated by these birds can account for 2-15% of angiosperm species. The goals of this study were: (i) to analyze the flowering phenology and pollination of ornitophilous species in two environments (forest gallery and Semi-deciduous forest) of
Publicado em: 2007
-
33. Phenology of Bombus pennsylvanicus sonorus Say (Hymenoptera: Apidae) in Central Mexico
We studied the seasonal activity of Bombus pennsylvanicus sonorus Say in subtropical conditions of the Mexican Central Plateau. Monthly during 1998, we recorded caste of active individuals (inferred form corporal size measured as wing length), presence and activity of reproductive individuals, and mating activity. Also, we recorded the flower plants used as
Neotropical Entomology. Publicado em: 2006-10
-
34. Nutrição e ecologia nutricional de cervídeos brasileiros em cativeiro e no Parque Nacional das Emas - Goiás / Nutrition and nutritional ecology of brazilian cervids in captivity and in the Emas National Park - Goias
There are limited data on energy requirements of brazilian cervids. Thus, it is difficult to succeed in their management and reproduction in captivity. Knowing the energy requirements is also important to determine the necessary nutritional resources for their conservation in parks and reserves. The first objective was to study the nutritional requirements o
Publicado em: 2005
-
35. Bionomia de Monoeca xanthopyga Harter-Marques, Cunha & Moure (Hymenoptera, Apidae, Tapinotaspidini) no Planalto das Araucárias, Rio Grande do Sul, Brasil
A study of the life history of the solitary bee Monoeca xanthopyga, was conducted at the Araucária Plateau, at the state of Rio Grande do Sul. The study focused the seasonality, sexual behavior, females activity during nest building, the exploited plant resources and the associated parasitoids. Three nest aggregations of M. xanthopyga built in clay soil wit
Revista Brasileira de Zoologia. Publicado em: 2003-03
-
36. Efeitos da fragmentação florestal sobre vespas e abelhas solitárias na Amazônia Central. II. estratificação vertical
The effects of forest fragmentation on the patterns of vertical abundance and richness of solitary wasp and bee communities was investigated near Manaus, Amazonas. Wasps and bees were trap-nested at 1,5, 8 and 15 m above the ground in continuous primary forestand isolated forest fragments. In general, the number of nests and species increased with height for
Revista Brasileira de Zoologia. Publicado em: 2001-09