Results 81 to 90 of about 4,517 (212)

Categorization of indoor places using the Kinect sensor [PDF]

open access: yes, 2012
The categorization of places in indoor environments is an important capability for service robots working and interacting with humans. In this paper we present a method to categorize different areas in indoor environments using a mobile robot equipped ...
Bishop   +21 more
core   +3 more sources

Agrobiodiversidade de polinizadores em duas áreas cultivadas com castanheira-do-brasil (Bertholletia excelsa Bonpl.) . [PDF]

open access: yes, 2013
Agrobiodiversidade diz respeito aos componentes da biodiversidade com relevância para a agricultura e alimentação, incluindo os polinizadores A castanheira-do-brasil (Bertholletia excelsa Bonpl., Lecythidaceae) vem sendo cultivada na Amazônia, mas pouco ...
CAVALCANTE, M. C.   +3 more
core  

PREFERENCIA Y MANIPULACION FLORAL DE CENTRIS RODOPHTHALMA PEREZ (HYMENOPTERA: ANTHOPHORIDAE): FLORAL PREFERENCE AND MANIPULATION OF CENTRIS RODOPHTHALMA PEREZ (HYMENOPTERA: ANTHOPHORIDAE)

open access: yesGayana, 2000
Se estudió la manipulación y preferencia floral de Centris rodophthalma Pérez en 3 localidades de la IV Región de Chile, caracterizadas, principalmente, por representantes de la familia Fabaceae y condiciones ambientales estrictas que reducen el rango de
Elizabeth Chiappa   +2 more
doaj  

Fontes florais usadas por abelhas (Hymenoptera, Apoidea) em área de cerrado no Município de Cassilândia, Mato Grosso do Sul, Brasil. [PDF]

open access: yes, 2011
Conduziu-se este trabalho, com o objetivo de inventariar as plantas visitadas por abelhas em uma área de cerrado no município de Cassilândia/MS (19°06 48"S; 51°44 03"W), classificando-as para a elaboração de umcatálogo de pasto apícola.
MARCHINI, L. C.   +3 more
core  

Two new Brazilian species of oil-collecting bees of the genus Centris (Ptilotopus) Klug (Hymenoptera: Apidae)

open access: yesRevista Chilena de Entomología, 2019
Centris (Ptilotopus) auriceps sp. nov. and C. (Ptilotopus) neglecta sp. nov. from South America are described and illustrated. The description of the first species is based on a single male specimen collected in Pará state, northern Brazil, while the ...
Felipe Vivallo
doaj  

Pollination ecology of Swartzia apetala Raddi var. apetala (leguminosae-papilionoideae)

open access: yesBrazilian Archives of Biology and Technology, 1999
The pollination ecology of Swartzia apetala Raddi var. apetala was studied in the restinga of Maricá, State of Rio de Janeiro, Brazil. S. apetala var.
Maria Cecília de Chiara Moço   +1 more
doaj   +1 more source

Collection of Pollen Grains by Centris (Hemisiella) tarsata Smith (Apidae: Centridini): Is C. tarsata an Oligolectic or Polylectic Species? [PDF]

open access: yes
Lia Goncalves, Claudia Ines da Silva, and Maria Luisa Tunes Buschini (2012) Collection of pollen grains by Centris (Hemisiella) tarsata Smith (Apidae: Centridini): Is C. tarsata an oligolectic or polylectic species?
da Silva, Claudia Ines   +2 more
core  

Requerimentos de polinização e biologia floral da castanheira-do-brasil (Bertholletia excelsa Bonpl., Lecythidaceae) em um SAF em Tomé-Açu, Pará. [PDF]

open access: yes, 2011
A castanheira-do-brasil (Bertholletia excelsa Bonpl.) pertence à família Lecythidaceae predominantemente alógama. Estudos prévios mostram que os polinizadores são abelhas da família Apidae (Bombus, Xylocopa, Eulaema, Epicharis, Centris).
CORRÊA, F. da S.   +3 more
core  

Nesting biology of Centris (Hemisiella) tarsata Smith in southern Brazil (Hymenoptera, Apidae, Centridini)

open access: yesBrazilian Journal of Biology
A total of 67 nests of Centris tarsata were obtained from wood trap-nests of different diameters, consisting of a linear series of brood cells built with sand mixed with oil.
M. L. T. Buschini, L. L. Wolff
doaj   +1 more source

What Does Community Philanthropy Look Like? Case Studies on Community Philanthropy, Vol. 1 [PDF]

open access: yes, 2014
What makes the global spread of community philanthropy organizations so exciting is the variety of forms they take, adaptations to different local contexts, challenges, resources, and leaders.
Barry Knight
core  

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