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DETERMINANTES DA ADOÇÃO DE SISTEMAS DE USO DA TERRA EM PÓLOS DE PRODUÇÃO AGROPECUÁRIA NO ESTADO DO ACRE, AMAZÔNIA BRASILEIRA

Conference Papers & Reports
Julio, 2008
Brasil

A expansão da agricultura e da pecuária tem sido considerada como a principal causa do desmatamento que se processa na Amazônia. A decisão de escolha do sistema de uso da terra é um elemento determinante dos níveis de desmatamento e fatores relacionados às características da família e Ao ambiente socioeconômico antecedem as decisões de adoção desses sistemas. O objetivo desse estudo foi identificar os condicionantes da adoção dos diferentes sistemas de uso da terra nos principais pólos de produção agropecuária familiar no estado do Acre.

Climate sensitivity to tropical land surface changes with coupled versus prescribed SSTs

Journal Articles & Books
Diciembre, 2005
África

Tropical land cover change experiments with fixed sea-surface temperatures (SSTs) and with an interactive ocean are compared to assess the relevance of including the ocean system in sensitivity studies to land surface conditions. The results show that the local response to deforestation is similar with fixed and simulated SSTs. Over Amazonia, all experiments simulate a comparable decrease in precipitation and no change in moisture convergence, implying that there is only a change in local water recycling.

Multiple environmental services as an opportunity for watershed restoration

Journal Articles & Books
Diciembre, 2012
Australia

The impact of reforestation on water supplies is often considered in terms of impacts on water yields. In specific circumstances, reforestation will improve water quality, to the extent that previously unusable water can be utilised. Such is the case with salinisation, a process that threatens up to 17million hectares of Australian farmland, major fresh water resources, biodiversity and built infrastructure.

comparison of scenarios for rural development planning and conservation in the Democratic Republic of the Congo

Journal Articles & Books
Diciembre, 2013
Congo

Including a diverse set of stakeholders in collaborative land use planning processes is facilitated by data and maps that communicate and inform an array of possible planning options and potential scenarios of future land use change. In northern Democratic Republic of the Congo (DRC), the African Wildlife Foundation (AWF) has engaged stakeholders and the DRC Government to lead a participatory zoning process in the Maringa–Lopori–Wamba (MLW) Landscape.

Biophysical suitability, economic pressure and land-cover change: a global probabilistic approach and insights for REDD+

Journal Articles & Books
Diciembre, 2014
Europa

There has been a concerted effort by the international scientific community to understand the multiple causes and patterns of land-cover change to support sustainable land management. Here, we examined biophysical suitability, and a novel integrated index of “Economic Pressure on Land” (EPL) to explain land cover in the year 2000, and estimated the likelihood of future land-cover change through 2050, including protected area effectiveness.

Carbon budget from forest land use and management in Central Asia during 1961–2010

Journal Articles & Books
Diciembre, 2016
Kazajstán
China
Asia central

The carbon budget that was derived from forest land use has been extensively explored in most regions/countries of the Northern Hemisphere but is poorly documented in Central Asia. In this study, we proposed a localized bookkeeping model and estimated the sources and sinks of carbon from forest land use and managements between 1961 and 2010 in two arid regions of Central Asia, e.g., Kazakhstan and Xinjiang, China. The results indicate that the forest land use in these two regions acted as a carbon sink, with a total carbon sequestration of 43.27Tg and 20.74Tg respectively.

Why landscape ecologists should contribute to life cycle sustainability approaches

Journal Articles & Books
Diciembre, 2015
Indonesia

CONTEXT: Understanding the consequences of changes in land use and land cover is among the greatest challenges in sustainability science, yet key themes related to land cover change are often left out of sustainability assessment tools. Because sustainability teaching is expanding at a rapid rate, incorporation of interdisciplinary, rigorous, quantitative tools to distinguish sustainable and unsustainable landscape change are needed.

Degradation of soils as a result of long-term human-induced transformation of the environment in Iran: an overview

Journal Articles & Books
Diciembre, 2012
Irán

Human-induced soil degradation is a serious and complex environmental challenge in Iran. For a long time, human activities, namely the overuse of land, have been influencing the natural processes on and in soils; therefore, various types of soil degradation can be observed in many parts of the country. The understanding and the consideration of direct and indirect effects of human activities on soils are indispensable for the prediction of the human impact on soil degradation processes.

Can active restoration of tropical rainforest rescue biodiversity? A case with bird community indicators

Journal Articles & Books
Diciembre, 2012

There is vigorous debate about the potential for reforestation to offset losses in biodiversity associated with tropical deforestation, but a scarcity of good data. We quantified developmental trajectories following active restoration (replanting) of deforested pasture land to tropical Australian rainforest, using 20 different bird community indicators within chronosequences of multiple sites. Bird species composition in restored sites (1–24years old) was intermediate between that of reference sites in pasture and primary rainforest.

Underlying and proximate driving causes of land use change in district Swat, Pakistan

Journal Articles & Books
Diciembre, 2013
Pakistán

Swat is part of the high mountain Hindu-Kush Himalayan region of Pakistan, with diverse biophysical and socio-economic characteristics. The region is endowed with many fragile and fragmented ecosystems, and land use and land cover changes have accelerated destructive processes with irreversible effects on ecosystems. The paper aims to (1) find proximate and underlying causes of land use and land cover changes; (2) analyse the drivers of change; and (3) reflect on the role of governance and policy.

role of tree domestication in green market product value chain development

Journal Articles & Books
Diciembre, 2014
África

Internationally, there is interest in increasing the trade in ‘green’ market products, such as organic, fair trade, reduction of deforestation and forest degradation/reduction of deforestation and forest degradation+ for reduced deforestation and mitigation of climate change, and environmental goods and services. This crucially needs to be extended to the many poor, hungry and marginalized smallholder farmers in developing countries.

Spatio-Temporal Change in Crowned (Propithecus coronatus) and Decken's Sifaka (Propithecus deckenii) Habitat in the Mahavavy-Kinkony Wetland Complex, Madagascar

Journal Articles & Books
Diciembre, 2014
Madagascar

The crowned sifaka (Propithecus coronatus) and Decken's sifaka (Propithecus deckenii) are Endangered lemurs endemic to west and central Madagascar. Both have suffered habitat loss and fragmentation throughout their ranges. The goal of this study, conducted in the Mahavavy-Kinkony Wetland Complex (MKWC) in northwestern Madagascar, was to assess the effects of historical change in the species' habitats, and to model the potential impact of further land-use change on their habitats.