Resultados de búsqueda - "Decadence"

Community fire use, resource change, and livelihood impacts: the downward spiral in the wetlands of southern Sumatra por Chokkalingam, U., Suyanto, Permana, R.P., Kurniawan, I., Mannes, J., Darmawan, A., Khususyiah, N., Susanto, R.H.

“…Direct burning by companies played a smaller transitory role in fire ignition over the two decades. But company activities and other large-scale developments contributed to expanding community fire-based land use by bringing in more people, improving access to remote wetlands or making them more flammable. …”
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Modeling the dynamics of landscapes and livelihoods in Malinau District, Indonesia por Suwarno, A., Campbell, Bruce M.

“…Simulation models and participatory modeling can be ideal tools to improve our understanding of these complex interactions. For several decades, land use in Malinau district was dictated by the central government through the allocation of land to agriculture, timber concessions and mining companies. …”
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Regulating industrial forest concessions in Central Africa and South America por Karsenty, A., Drigo, I.G., Piketty, M.G., Singer, B.

“…The concession system is examined in order to clarify the issues involved, the problems encountered, and what can be learned from the shared experience of these countries in the last decade. This paper argues that despite a sometimes patchy record, concessions can help promote SFM so long as they are packaged with a certain number of specific measures…”
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Effects of human trampling on populations of soil fauna in the McMurdo Dry Valleys, Antarctica por Ayres, E., Nkem, J., Wall, D.H., Adams, B.J., Barrett, J.E, Broos, E.J., Parson, A.N., Powers, L.E., Simmons, B.L., Virginia, R.A.

“…Nevertheless, over recent decades there has been a rapid increase in the number of people, researchers and tourists, visiting Antarctica. …”
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Increasing and sustaining productivity in subtropical and tropical plantation forests: Making a difference through research partnership por Nambiar, E.K.S., Kallio, M.H.

“…From results gathered for a decade in plantations, with growth rates from 6 to 46 m3 ha-1 yr-1 in a range of environments and forest management conditions, we conclude that subtropical and tropical plantations can be managed to increase and sustain productivity. …”
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Is adaptation to climate change gender neutral?: Lessons from communities dependent on livestock and forests in northern Mali por Djoudi, H., Brockhaus, Maria

“…In the Lake Faguibine area in Northern Mali the social, political and ecological conditions have drastically changed in the last three decades. We conducted 6 single gender participatory workshops using PRA in two communities. …”
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Methods for the quantification of emissions at the landscape level for developing countries in smallholder contexts por Milne, E, Neufeldt, Henry, Smalligan, M, Rosenstock, Todd S., Bernoux, Martial, Bird, N., Casarim, F, Denef, K, Easter, M., Malin, Daniella, Ogle, Stephen Michael, Ostwald, M, Paustian, Keith, Pearson, T, Steglich, E

“…The GHG (greenhouse gas) mitigation potential from the agricultural sector is set to increase in coming decades. Much of the agricultural mitigation potential lies in developing countries where systems are dominated by smallholder farmers. …”
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Mapping a better future: how spatial analysis can benefit wetlands and reduce poverty in Uganda por Ministry of Water and Environment, Uganda, Bureau of Statistics, Uganda, International Livestock Research Institute, World Resources Institute

“…Recognizing this, Uganda';s Government was the first to create a national wetlands policy in Africa. Over the past decade, Uganda has also instituted the National Wetlands Information System, a rich database on the use and health of Uganda';s wetlands which in its coverage and detail is unique in Africa. …”
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Breeding strategy to improve Ethiopian Boran cattle for meat and milk production por Haile, Aynalem, Workneh, A., Tegegne, Azage, Kebede, N., Dessie, Tadelle

“…In Ethiopia, genetic improvement of the indigenous cattle for dairy production, focusing on crossbreeding, has been practised for the last five decades, albeit with little success. Selection as an improvement tool has been given less emphasis and as such there have been no systematic and organized selection schemes for cattle genetic improvement in Ethiopia. …”
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Implications of future climate and atmospheric CO2 content for regional biogeochemistry, biogeography and ecosystem services across East Africa por Doherty, R.M., Sitch, S., Smith, B., Lewis, S.L., Thornton, Philip K.

“…Despite decreases in soil carbon after 2050, seven out of nine simulations continued to show an annual net land carbon sink in the final decades of the 21st century because vegetation biomass continued to increase. …”
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Arresting gully formation in the Ethiopian highlands por Tebebu, Tigist Y., Zegeye, Assefa D., Langendoen, E.J., Ayele, Getaneh K., Tilahun, Seifu A., Ayana, Essayas K., Steenhuis, Tammo S.

“…Over the past five decades, gullying has been widespread and has become more severe in the Ethiopian highlands. …”
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Rethinking development models and irrigation projects in Nepal por Clement, Floriane, Banset, G., Bharati, Luna

“…Despite decades of investment and institutional refinement, externally funded irrigation programs still exhibit low success rates and more particularly in countries facing institutional and political challenges. …”
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Institutions and policy in the Blue Nile Basin: understanding challenges and opportunities for improved land and water management. por Haileslassie, Amare, Hagos, Fitsum, Awulachew, Seleshi Bekele, Peden, Donald G., Ahmed, A.A., Gebreselassie, S., Tafesse, T., Mapedza, Everisto D., Mukherji, Aditi

“…In the past decades, both upstream and downstream countries ofthe Blue Nile Basin (BNB) had developed and adopted several policies and strategies related to land and water management. …”
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Producing more rice with less water from irrigated systems por Guerra, L.C., Bhuiyan, S.I., To Phuc Tuong, Barker, Randolph

“…Over the past decade, we have witnessed a growing scarcity of and competition for water around the world. …”
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Promoting micro-irrigation technologies that reduce poverty por International Water Management Institute

“…In India, micro-irrigation technologies have been marketed for more than three decades. The main vehicle of government policies to promote micro-irrigation systems are product subsidies?…”
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Soil and Water Assessment Tool (SWAT)-based runoff and sediment yield modeling: a case of the Gumera Watershed in Lake Tana Sub Basin por Tenaw, M., Awulachew, Seleshi Bekele

“…To develop effective erosion control plans and to achieve reductions in sedimentation, it is important to quantify the sediment yield and identify areas that are vulnerable to erosion. In recent decades, several simulation models have been developed in order to estimate, quantify, enhance understanding of spatial and temporal variability of erosion, and identify areas which are high contributors of sediment at micro-watershed level and over large areas. …”
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Targeting food security: reducing poverty through irrigated agriculture por Qureshi, Asad Sarwar, Akhtar, M.

“…Although food production in the region has gained momentum during the past decade (per capita dietary energy supply in South Asia has increased), the incidence of poverty and absolute number of undernourished people in South Asia has gone up. …”
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Possible link between global warming and rainfall trends in the Mekong Basin. [Abstract only]. por Lacombe, Guillaume, Smakhtin, Vladimir U., Hoanh, Chu Thai

“…Changes in rainfall in recent decades, and their possible associations to climate change, remain poorly understood in Southeast Asia. …”
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Hydrological consequences of armed conflicts and massive migrations in the Lower Mekong Basin over the second half of the 20th Century. [Abstract only]. por Lacombe, Guillaume, Pierret, Alain, Hoanh, Chu Thai, Sengtaheuanghoung, Oloth

“…These results illustrate the high responsiveness of flow regime to forest cover changes in tropical areas where deforestation is expected to perpetuate at a high rate over the coming decades.…”
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Livestock in mixed farming systems in South Asia por Parthasarathy Rao, P., Birthal, P.S.

“…Mixed farming systems however, are extremely complex and heterogeneous in terms of crops grown, livestock species raised and in their responses to development initiatives. Further, recent decades have seen significant changes in mixed systems in terms of livestock demography, increased commercialization (degree of integration with markets), etc. …”
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