Results 21 to 30 of about 261,959 (140)

Incidencia de los recursos del canon minero en la inversion publica del gobierno distrital de Independencia-Huaraz durante el periodo 2003-2007

open access: yesAporte Santiaguino, 2008
El presente trabajo de investigación analiza la incidencia de los recursos del canon minero en la invers1on publica del gobierno distrital de Independencia-Huaraz durante el periodo 2003- 2007, con respecto a un marco referencial que integre planteamientos teóricos directamente relacionados con la gestión municipal; el entorno local; con normas y ...
Juan Alejandro Castro Sotelo   +1 more
exaly   +2 more sources

La distribución inequitativa del canon minero y su incidencia en el desarrollo local de la provincia de Yauyos 2021 [PDF]

open access: yes, 2022
De los recursos provenientes del Canon Minero no todas las localidades del país tienen una transferencia equitativa. La distribución inequitativa del canon minero entre los gobiernos locales y regionales tiene incidencia en el desarrollo local de las ciudades del Perú, y en particular en la provincia de Yauyos 2021. Esta notoria inequidad se contradice
Pastor Iturrizaga, Luis Felipe
openaire   +2 more sources

El canon minero y su influencia en el desarrollo social del distrito de San Marcos años 2016 - 2018 [PDF]

open access: yes, 2022
La investigación tuvo como Objetivo: Determinar el canon minero y su influencia en el desarrollo social del distrito de san marcos años 2016 – 2018, Método: tuvo un enfoque cuantitativo, con un nivel explicativo, en cuanto al diseño es considerado no experimental.
Grijalva Salazar, Rosario Violeta
openaire   +2 more sources

Tracking Eruption Column Thermal Evolution and Source Unsteadiness in Ground‐Based Thermal Imagery Using Spectral‐Clustering

open access: yesGeochemistry, Geophysics, Geosystems, Volume 24, Issue 11, November 2023., 2023
Abstract Volcanic eruption columns typically have unsteady source conditions, where mass and heat fluxes from the vent evolve or fluctuate on time scales from seconds to hours. However, integral plume models routinely assume source conditions that are statistically stationary, and the degree to which source unsteadiness influences the mechanics of ...
C. R. Rowell   +2 more
wiley   +1 more source

Early detritivory and sedimentivory in insects based on in situ gut contents from Triassic aquatic nymphs

open access: yesPapers in Palaeontology, Volume 9, Issue 1, January/February 2023., 2023
Abstract The colonization of freshwater by insects is one of the milestones in the establishment of continental ecosystems and, thus, of life on our planet. However, several key aspects of this process such as patterns of origination, early adaptations and palaeoecological relationships of the groups involved remain poorly known, namely due to the ...
Enrique Peñalver   +6 more
wiley   +1 more source

Early adaptations of true flies (Diptera) to moist and aquatic continental environments

open access: yesPapers in Palaeontology, Volume 8, Issue 6, November/December 2022., 2022
Abstract Insect colonization of continental aquatic ecosystems and their immediate surroundings was paramount for the establishment of complex trophic nets and organic‐matter recycling in those environments. True flies and other insects such as mayflies developed crucial ecological roles in early continental aquatic ecosystems, as early as the Triassic.
Enrique Peñalver   +4 more
wiley   +1 more source

The first edrioasteroid echinoderm from the lower Cambrian Chengjiang biota of Yunnan Province, China

open access: yesPapers in Palaeontology, Volume 8, Issue 4, July/August 2022., 2022
Abstract Until now, the earliest fossil echinoderms have been predominantly known from the early Cambrian of Laurentia and West Gondwana. Here, we describe Sprinkleoglobus extenuatus gen. et sp. nov. from the Chengjiang biota (Cambrian Series 2, Stage 3) of Yunnan Province, China.
Jun Zhao   +5 more
wiley   +1 more source

Nuevos indicadores socioambientales para los reportes de sostenibilidad. Caso: mineras peruanas en la Bolsa de Valores de Lima

open access: yesQuipukamayoc, 2020
Objetivo: Diseñar indicadores complementarios socioambientales de generación de valor como parte de los Reportes de Sostenibilidad para las empresas mineras peruanas que cotizaron en la Bolsa de Valores de Lima en el año 2017.
Brandelt Jesus Astorga de la Cruz
doaj   +1 more source

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