Search Results - "Amazon"

Taxonomic identification of Amazonian tree crowns from aerial photography by González Orozco, C.E., Mulligan, M., Trichon, V., Jarvis, Andy

“…Location: The fieldwork was conducted at Tiputini Biodiversity Station located in the Amazon, eastern Ecuador. Methods: High-resolution imagery was taken from an airplane flying at a low altitude (600 m) above the ground. …”
Get full text

Land speculation and intensification at the frontier: a seeming paradox in the Colombian savanna by Smith, J., Cadavid Herrera, JV, Rincón Castillo, A., Vera, Raúl R.

“…Intensification occurred because the production gains offered by improved pastures over native grasses were large enough to overcome the negative effect of land speculation on intensification. By contrast, in the Amazon, improved technologies have to overcome the high fertility of newly deforested land. …”
Get full text

Early adoption of Arachis pintoi in the humid tropics: the case of dual-purpose livestock systems in Caqueta, Colombia by Rivas Ríos, Libardo, Holmann, Federico J.

“…The early adoption of the legume Arachis pintoi was studied in the State of Caqueta, located in Colombia's Amazon region [date not given]. Data came from 174 farmers randomly surveyed in 1986 and 1997 within the area of influence of Nestle, a multinational milk-processing company. …”
Get full text

Is urban bushmeat trade in Colombia really insignificant? by Vliet, N. van, Quiceno Mesa, M.P., Moreno, J., Cruz, D., Fa, J.E., Nasi, Robert

“…The bushmeat trade in ecosystems in South America other than those within the Amazon basin is presumed to be insignificant, as alternative sources of protein (e.g. beef, chicken, fish) are considered to be more readily available in non-moist forests. …”
Get full text

Effect of depth of placement on uptake of radioactive superphosphate by cacao (Theobroma cacao L.) by Oyejola, B.O.

“…Dos variedades de cacao, "Amazon F3" y "Amelonado" fueron tratadas con superfosfato radiactivo. …”
Get full text

The effect of slash and burn agriculture on plant nutrientes in the Tertiary Region of Central Amazonia by Brinkmann, W.L.F, Nascimiento, J.C. do

“…The modifications in the chemical composition of the superficial layer of solo (up to 20 cm deep), in amamelos latosolos (85 percent of the total bed of the Central Amazon) and in biomorphic solos (approximately 1 percent of the same area) were studied, before and after the burning of the felled forest It was observed that fertility, under natural conditions, is low in the two types studied alone. …”
Get full text

Investment in project preventing deforestation of the Brazilian Amazonas by Hansson, Pär

“…Brazil has the largest area of rainforest in the world, and also the biggest problem with deforestation. The Amazon region of Brazil comprises rainforest which is largely intact and unexploited. …”

The Socio-Ecological Dynamics of Food Insecurity among Subsistence-Oriented Indigenous Communities in Amazonia: a Qualitative Examination of Coping Strategies among Riverine Commun... by Torres Vitolas, Carlos A., Harvey, Celia A., Cruz García, Gisella S., Vanegas Cubillos, Martha Cristina, Schreckenberg, Kate

“…Despite the Amazon’s natural wealth, food insecurity is a major concern among indigenous communities. …”
Get full text

Witsaja iki, or the good life in Ecuadorian Amazonia: Knowledge co-production for climate resilience by Samuel, Seble

“…Through the stories and perspectives of the Sapara Nation, located in the Ecuadorian Amazon, this research illustrates local insights and perceptions of environmental change, as well as the onset of the external drivers – natural resources extraction and ecological conservation programmes – influencing the livelihoods and territories of this region. …”
Get full text

The economics of teff: Exploring Ethiopia’s biggest cash crop by Minten, Bart, Taffesse, Alemayehu Seyoum, Brown, Petra

Get full text

Low emission development strategies for agriculture and other land uses: The case of Colombia by De Pinto, Alessandro, Haruna, Akiko, Creamer, Bernardo, Hyman, Glenn, Li, Man, Kwon, Ho Young, Garcia, Jhon Brayan Valencia, Coca, Alejandro Castro, Tapasco, Jeimar, Martinez, Jesus David, Hoyos, Jesus David

“…We were able to identify policies covering the entire spectrum of potential outcomes: win-win policies (reduce land allocated to pasture), policies with tradeoffs (reduce deforestation in the Amazon) and policies that seem to generate clearly inferior results (increase the area allocate to palm cultivation).…”
Get full text

Patience in foraging-horticultural society: a test of competing hypotheses by Godoy, Ricardo, Byron, Elizabeth, Reyes-Garcia, Victoria, Leonard, William. R., Patel, K., Apaza, Lilian, Perez, Eddy, Vadez, Vincent, Wilkie, David

“…Drawing on five-quarter panel data from 154 Amerindians (10-80 years of age) from the Tsimane’ foraging horticultural society in the Bolivian Amazon, we use hyperbolic and exponential discounting to estimate patience and the correlation between patience and (a) modern human capital, (b) personal affluence, and (c) age. …”
Get full text

Dataset: Census of individual trees of Tucunare Vichada (2020) by Ruiz-Hurtado, Andres Felipe, Pérez Bolaños, Juliana, Arrechea-Castillo, Darwin Alexis, Matiz Rubio, Natalia, Costa Junior, Ciniro, Arango Mejia, Jacobo, Cardoso Arango, Juan Andres

“…The map tiles were downloaded from Amazon Web Services (AWS) S3 Bucket and processed using additional steps: merging and clipping tiles to cover the region of interest of Tucunare, vectorizing, filtering, and georeferencing individual trees to derive attributes like area, perimeter, equivalent diameter, and circularity representing the visual crown of each tree, and finally applying zonal statistics to assign tree height values. …”
Get full text

Deforestation in the MERCOSUR Countries: A comparative analysis of trends, policies, and governance (2000–2024) by Piñeiro, Valeria, Papendieck, Sabine, Elverdin, Pablo, Illescas, Nelson, Jorge, Nicolás, Mingoti, Rafael, da Silveira, Hilton Luis Ferraz, Campos, Silvia Kanadani, da Pereira, Vanessa da Fonseca

“…These include the globally significant Amazon rainforest, the biodiversity-rich Cerrado savannah, and the expansive and carbon-dense Gran Chaco dry forests. …”
Get full text

Criterios e indicadores para avaliacao da sustentabilidade de empresa florestal em Tailandia, Para, na Amazonia Brasileira by Pokorny, B., Bauch, R.

“…The initial aim of this study was to contribute to the development of monitoring and auditing instruments for forest enterprises in the Brazilian Amazon, based on criteria and indicators (C&I) to assess sustainability, practicability and viability of C&I depending on the consideration of interest, visions and values of forest stakeholders. …”
Get full text

Compatibilidade de conjuntos de criterios e indicadores para avaliar a sustentabilidade do manejo florestal na Amazonia Brasileira by Pokorny, B., Adams, M.

“…With the initial aim to better understand this diversity, this study compared the content and the quality of five C&I sets relevant for the Brazilian Amazon (CIFOR, MCA, FSC, ITTO e Tarapoto). In addtion some principle actors of forest management in the region were interviewed. …”
Get full text

Multiple use forestry planning: Timber and Brazil nut management in the community forests of Northern Bolivia by Cronkleton, P., Guariguata, Manuel R., Albornoz, M.A.

“…In Bolivia’s Northern Amazon, forests long used for the extraction of non-timber forest products (NTFPs) are now experiencing increased logging. …”
Get full text

Integrating fisheries into irrigation planning and management: protecting and enhancing fisheries in irrigated areas by International Water Management Institute, Global Water Partnership

“…In locations as diverse as the Mekong, Amazon and Lake Chad basins, researchers found that rural households typically obtain 10 to 30 percent of their total income from inland fishing. …”
Get full text

Interventions to curb deforestation and stability in access to land: A comparative study between two land regulation modalities in the Transamazon region, Brazil by Santos, I.V., Porro, N.M., Porro R.

“…The study compares two modalities of land regulation in the Amazon Settlement Projects (PA) and Sustain-able Development Projects (PDS). …”
Get full text

Arbuscular mycorrhizal fungal and soil microbial communities in African Dark Earths by Camenzind, Tessa, Hammer, Edith C, Lehmann, Johannes, Solomon, Dawit, Horn, Sebastian, Rillig, Matthias C, Hempel, Stefan

“…The socio-economic values of fertile and carbon-rich Dark Earth soils are well described from the Amazon region. Very recently, Dark Earth soils were also identified in tropical West Africa, with comparable beneficial soil properties and plant growth-promoting effects. …”
Get full text