Results 11 to 20 of about 90,255 (204)

On the distribution and conservation of Sievekingia hirtzii Waldvogel (Orchidaceae, Stanhopeinae): first records from Colombia [PDF]

open access: yesCheck List, 2023
We newly report two populations of the orchid Sievekingia hirtzii in the Andean–Amazonian foothills of Caquetá, Colombia.
Natalia Rodríguez-S   +4 more
doaj   +3 more sources

Diversidad genética y filogenia molecular de poblaciones de Mauritia flexuosa L.f. “aguaje” de la Amazonía Peruana

open access: yesCiencia Amazónica (Iquitos), 2014
Mauritia flexuosa es una especie vegetal amazónica que forma extensas poblaciones denominadas “aguajales”. Como los pobladores amazónicos emplean varios órganos de M.
Jorge Angulo Quintanilla   +6 more
doaj   +3 more sources

Large Igneous Province Record Through Time and Implications for Secular Environmental Changes and Geological Time‐Scale Boundaries

open access: yesGeophysical Monograph Series, Page 1-26., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Richard E. Ernst   +8 more
wiley  

+6 more sources

Validación del Protocolo de Reproducción de Colossoma macropomum, Piaractus brachypomus y Prochilodus nigricans en Condiciones Controladas

open access: yesCiencia Amazónica (Iquitos), 2014
Protocolos aplicados a las diferentes etapas de la reproducción  inducida: tratamiento hormonal, incubación, manejo de larvas, y manejo de alevines en los peces de consumo humano Colossoma macropomum (gamitana), Piaractus brachypomus (paco) y Prochilodus
Lorgio Verdi-Olivares   +5 more
doaj   +5 more sources

How to commentate a soccer match in Shipibo-Konibo (Pano)?

open access: yesLiames, 2020
The present paper lists and illustrates eleven strategies that are systematically used by Shipibo-Konibo speakers in order to comment live soccer matches in the context of an indigenous soccer cup informally called “Mundialito Shipibo”.
Roberto Zariquiey   +7 more
doaj   +1 more source

Ecoturismo implementado en el mundo globalizado como alternativa de desarrollo económico y social

open access: yesCLIO América, 2020
El presente trabajo desarrolla los fundamentos teóricos del ecoturismo como alternativa de desarrollo social y económico en el mundo globalizado. Se utilizó el método exploratorio descriptivo con el propósito de indagar experiencias significativas en ...
Edwin Eduardo Millán-Rojas   +2 more
doaj   +1 more source

Evaluación temporal de la presencia de Dolops discoidalis (Branchiura: Argulidae) sobre Pseudoplatystoma punctifer (Pimelodidae) en Quistococha, Iquitos – Perú

open access: yesRevista Peruana de Investigación Agropecuaria, 2023
El estudio reporta la presencia de branquiuros parasitando un plantel de 29 reproductores de doncella Pseudoplatystoma punctifer en Quistococha, Perú.
Harvey Satalaya-Arellano   +4 more
doaj   +1 more source

Migration and forests in the Peruvian Amazon: a review [PDF]

open access: yes, 2019
This paper reviews the literature on the links between migration and forests in the Peruvian Amazon. It highlights not only the complexity of the migrant–forest interface in Peru but also the relative lack of research on these dynamics.
Cronkleton, Peter, Menton, Mary
core   +1 more source

Changes in food access by mestizo communities associated with deforestation and agrobiodiversity loss in Ucayali, Peruvian Amazon [PDF]

open access: yes, 2020
Few longitudinal studies link agricultural biodiversity, land use and food access in rural landscapes. In this paper, we test the hypothesis that, in a context of economic change, cash crop expansion is associated with deforestation, reduced ...
Blundo Canto, Genowefa   +8 more
core   +3 more sources

Changes in the carbon balance of tropical forest: evidence from long-term plots [PDF]

open access: yes, 1998
The role of the world’s forests as a “sink” for atmospheric carbon dioxide is the subject of active debate. Long-term monitoring of plots in mature humid tropical forests concentrated in South America revealed that biomass gain by tree growth exceeded ...
Brown, S.   +10 more
core   +2 more sources

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