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International Center for Tropical Agriculture[Improving natural resource management for an Andean watershed using an interactive coupled GIS/watershed model: quantifying and predicting the effect of land use practices on erosion, water quality, and crop production for the Ovejas watershed, Colombia, using an interactive coupled GIS/watershed model]Improving natural resource management for an Andean watershed using an interactive coupled GIS/watershed model: quantifying and predicting the effect of land use practices on erosion, water quality, and crop production for the Ovejas watershed, Colombia, using an interactive coupled GIS/watershed model

Evaluates the usefulness of direct data collection from low-flying light aircraft for inventory & monitoring animal population & other rangeland features, viz. water bodies, vegetation structure & greenness and human settlements, for planning and management purposes.


Thalen, D.C.P.[An approach to evaluating techniques for vegetation surveys on arid rangelands]An approach to evaluating techniques for vegetation surveys on arid rangelands

The results of a case study conducted in Betulia (Sucre, Colombia) in May-Dec. 1983 to evaluate the competition for land between cassava cultivation (monocropped or in association with maize or yam) and cattle raising are discussed. In general, profits from cassava either in association or in mon...


Boering, SJanssen, W.[La competencia por la tierra entre la agricultura y la ganaderia en el minifundio costeno]La competencia por la tierra entre la agricultura y la ganaderia en el minifundio costeno
Autor: Janssen, W.

The results of a survey conducted in 1983 among 416 farmers participating in the integrated rural development project (DRI, Colombia) in Atlantico (60), Bolivar (66), Cordoba (156), and Sucre (134), on land use and importance of cassava within the farming system, are presented. Except for Bolivar...


Janssen, W.[Utilizacion de la tierra e importancia de la yuca en la finca DRI en los Departamentos de Atlantico, Bolivar, Cordoba y Sucre]Utilizacion de la tierra e importancia de la yuca en la finca DRI en los Departamentos de Atlantico, Bolivar, Cordoba y Sucre

We examined whole-soil samples and particle-size fractions to study the distribution of different phosphorus (P) fractions after land-use change from native savanna to crops, pasture, and reforestation on clayey and loamy Oxisols of the Brazilian savannas. Phosphorus was extracted sequentially, a...


Westerhof, RSilva, J.E. daAyarza, Miguel AngelZech, W.[Phosphorus fractions under different land-use systems in oxisols of the Brazilian cerrados]Phosphorus fractions under different land-use systems in oxisols of the Brazilian cerrados
Fujisaka, SamMadrid, OHurtado, LUsma, HRicse, AFlores, YIdrogo, FBarbarán, JArévalo, L.Labarta, R.A.[Land use systems and dynamics in Pucallpa, Peru]Land use systems and dynamics in Pucallpa, Peru

Of the countries considering national-level policies for incentivizing reductions in forest-based greenhouse gas emissions (REDD+), some 25 are experiencing (or are emerging from) armed-conflicts. It has been hypothesized that the outcomes of the interactions between carbon-storage and peacebuild...


Castro-Nuñez, AugustoMertz, OleSosa, Chrystian C.[Geographic overlaps between priority areas for forest carbon storage efforts and those for delivering peacebuilding programs: implications for policy design]Geographic overlaps between priority areas for forest carbon storage efforts and those for delivering peacebuilding programs: implications for policy design

SUMMARY OF CIAT ASIA TEAM PLANNING SESSION 19 – 21 FEBRUARY, HANOI Participants: Asia: Rod Lefroy, Keith Fahrney, Tassilo Tiemann, Adrian Bolliger, Tin Maung Aye, Kris Wyckhyus, Georgina Smith, Aparna Mani, Jonathan Newby, Sok Sophearith, Lao Thao, Ou Wenjun, Cu Thi Le Thuy, Giang Tuan Linh and D...


International Center for Tropical Agriculture[Summary actions CIAT Asia planning]Summary actions CIAT Asia planning

In Colombia coffee production is facing risks due to an increase in the variability and amount of rainfall, which may alter hydrological cycles and negatively influence yield quality and quantity. Shade trees in coffee plantations, however, are known to produce ecological benefits, such as interc...


Gaitán, LucíaArmbrecht, IngeGraefe, Sophie[Throughfall and soil properties in shaded and unshaded coffee plantations and a secondary forest: a case study from Southern Colombia]Throughfall and soil properties in shaded and unshaded coffee plantations and a secondary forest: a case study from Southern Colombia
Mekuria, Wolde M.Barron, JennieDessalegn, MengistuAdimassu, ZenebeAmare, T.Wondie, M.[Exclosures for ecosystem restoration and economic benefits in Ethiopia: a catalogue of management options]Exclosures for ecosystem restoration and economic benefits in Ethiopia: a catalogue of management options

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