A5054538020- Conservation, Biodiversity, and Resource Management
- Economic and Environmental Valuation
- Forest ecology and management
- Hydropower, Displacement, Environmental Impact
- Ecology and Vegetation Dynamics Studies
- Land Use and Ecosystem Services
- Fire effects on ecosystems
- Agriculture, Land Use, Rural Development
- Amazonian Archaeology and Ethnohistory
- Fish biology, ecology, and behavior
- Climate Change Policy and Economics
- Rural Development and Agriculture
- Water-Energy-Food Nexus Studies
- Geography and Environmental Studies
- Mining and Resource Management
- Forest Management and Policy
- Plant Water Relations and Carbon Dynamics
- Environmental and biological studies
- Environmental Sustainability and Education
- Agricultural and Food Sciences
- Water Governance and Infrastructure
- Atmospheric and Environmental Gas Dynamics
- Soil Management and Crop Yield
- Water resources management and optimization
- Indigenous Health and Education
National Institute of Amazonian Research
2016-2025
National Education and Research Network
2016-2022
Research Network (United States)
2019
Brazilian Development Bank
2018
Amazon (United States)
2001-2016
Ministry of the Environment
2013
James Cook University
2012
Université Toulouse III - Paul Sabatier
2012
University of Michigan
2011
Advanced Research Projects Agency - Energy
2001
Terrestrial carbon stock mapping is important for the successful implementation of climate change mitigation policies. Its accuracy depends on availability reliable allometric models to infer oven-dry aboveground biomass trees from census data. The degree uncertainty associated with previously published pantropical allometries large. We analyzed a global database directly harvested at 58 sites, spanning wide range climatic conditions and vegetation types (4004 ≥ 5 cm trunk diameter). When...
Abstract: Brazil's Amazon forest remained largely intact until the “modern” era of deforestation began with inauguration Transamazon Highway in 1970. Amazonian rates have trended upward since 1991, clearing proceeding at a variable but rapid pace. Although forests are cut for various reasons, cattle ranching predominates. The large and medium‐sized ranches account about 70% activity. Profit from beef is only one income sources that make profitable. Forest degradation results logging, ground...
The Brazilian Amazon is currently experiencing the world9s highest absolute rate of forest destruction and likely to suffer even greater degradation in future because government plans invest $40 billion from 2000 2007 dozens major new highways infrastructure projects. We developed two computer models that integrate spatial data on deforestation, logging, mining, roads, navigable rivers, vulnerability wildfires, protected areas, existing planned projects, an effort predict condition Amazonian...
Soybeans represent a recent and powerful threat to tropical biodiversity in Brazil. Developing effective strategies contain minimize the environmental impact of soybean cultivation requires understanding both forces that drive advance many ways soybeans their associated infrastructure catalyse destructive processes. The present paper presents an up-to-date review Brazil, its social costs implications for development policy. are driven by global market forces, making them different from...
Abstract. Tropical tree height-diameter (H:D) relationships may vary by forest type and region making large-scale estimates of above-ground biomass subject to bias if they ignore these differences in stem allometry. We have therefore developed a new global tropical database consisting 39 955 concurrent H D measurements encompassing 283 sites 22 countries. Utilising this database, our objectives were: 1. determine H:D differ geographic (wet dry forests, including zones tension where savanna...
Abstract. Aboveground tropical tree biomass and carbon storage estimates commonly ignore height (H). We estimate the effect of incorporating H on tropics-wide forest in 327 plots across four continents using 42 656 diameter measurements harvested trees from 20 sites to answer following questions: 1. What is best H-model form geographic unit include models minimise site-level uncertainty destructive biomass? 2. To what extent does including derived (1) reduce all plots? 3. accounting for have...
Aim and Location We assessed the effects of biophysical anthropogenic predictors on deforestation in Brazilian Amazonia. This region has world's highest absolute rates forest destruction fragmentation. Methods Using a GIS, spatial data coverages were developed for three types potential predictors: (1) human‐demographic factors (rural‐population density, urban‐population size); (2) that affect physical accessibility to forests (linear distances nearest paved highway, unpaved road navigable...
In tropical forests, lianas (woody vines) are important structural parasites of trees. We assessed the effects forest fragmentation, treefall disturbance, soils, and stand attributes on liana communities in central Amazonian rain forests. Over 27 500 stems (≥2 cm diameter at breast height [dbh]) were recorded 1-ha plots continuous 42 10 fragments ranging from 1 to 100 ha area. For each plot, an index disturbance was determined a 20-yr study tree-community dynamics, 19 soil-texture chemistry...
The effects of habitat fragmentation on diverse tropical tree communities are poorly understood. Over a 20-year period we monitored the density 52 species in nine predominantly successional genera (Annona, Bellucia, Cecropia, Croton, Goupia, Jacaranda, Miconia, Pourouma, Vismia) fragmented and continuous Amazonian forests. We also evaluated relative importance soil, topographic, forest dynamic, landscape variables explaining abundance composition trees. Data were collected within 66...
Science-based policy is essential for guiding an environmentally sustainable approach to cellulosic biofuels.
Summary Jair Bolsonaro (Brazil’s new president) and “ruralists” (large landholders their representatives) have initiated a series of measures that threaten Amazonia’s environment traditional peoples, as well global climate. These include weakening the country’s environmental agencies forest code, granting amnesty to deforestation, approving harmful agrochemicals, reducing protected areas, denying existence anthropogenic climate change. Both themselves expectation impunity they encourage...
Containing the advance of deforestation in Brazilian Amazonia requires understanding roles and movements actors involved.The importance different varies widely among locations within region, also evolves at any particular site over course frontier establishment consolidation.Landless migrants have significant clearing land they occupy motivating landholders to clear as a defense against invasion or expropriation.Colonists official settlements other small farmers are responsible for...
Mitigation and adaptation projects will lead to increased population displacement, calling for new research attention past lessons.
ABSTRACT We synthesize findings from one of the world's largest and longest‐running experimental investigations, B iological D ynamics F orest ragments P roject ( BDFFP ). Spanning an area ∼ 1000 km 2 in central A mazonia, was initially designed to evaluate effects fragment on rainforest biodiversity ecological processes. However, over its 38‐year history date project has far transcended original mission, now focuses more broadly landscape dynamics, forest regeneration, regional‐...