Now showing items 1-10 of 96
El servicio de referencia en la biblioteca digitalReference service in the digital library
(Instituto de Investigaciones Bibliotecológicas y de la Información, 2009)
The virtual reference services: quantitative analysis & modelModelo para análise do serviço de referência virtual: uma análise quantitativa
(Universidade Federal do Rio Grande do Sul, 2016)
Serviços de referência virtualVirtual reference services
Perspectivas dos serviços de referência digitalPerspectives on digital reference services
(Programa de Pós-Graduação em Ciência da Informação da Universidade Federal da Paraíba, 2013)
Ecosystem services research in Latin America: The state of the art
(Elsevier Science, 2012-12)
Ecosystem services science has developed at a fast rate in Latin America, a region characterized by a high biological and cultural diversity, strong emphasis in foreign investment, and high socioeconomic inequities. Here ...
Algebraic path tracking to aid the manual harvesting of olives using an automated service unit
(Academic Press Inc Elsevier Science, 2016-02)
Service units used in precision agriculture are able to improve processes such as harvesting, sowing, agrochemical application, and manure spreading. This two-part work presents, a path tracking controller based on an ...
Desertification and ecosystem services supply: The case of the Arid Chaco of South America
(Academic Press Ltd - Elsevier Science Ltd, 2017-12)
New integrated perspectives are increasingly needed to bridge the gap between biophysical and ecosystem services' based assessments of desertification. For a vast area of the dry Chaco region we sought to: (1) assess the ...
Hydrochemical assessment of Hydrological Environmental Services in the recharge area in the Southwest of Mexico City
(Springer Verlag Berlín, 2017-02)
The aquifer recharge area that supplies water to Mexico City is being protected with the implementation of land use restrictions and with the use of payment schemes for maintaining environmental services (PES). In order ...