Results 41 to 50 of about 155,067 (213)

Socio-ecological costs of Amazon nut and timber production at community household forests in the Bolivian Amazon.

open access: yesPLoS ONE, 2017
The Bolivian Amazon holds a complex configuration of people and forested landscapes in which communities hold secure tenure rights over a rich ecosystem offering a range of livelihood income opportunities.
Marlene Soriano   +4 more
doaj   +1 more source

La forêt guyanaise, entre valorisation et protection des ressources écosystémiques

open access: yesVertigO, 2012
Forests in French Guiana form an extremely complex ecosystem and have a wealth of flora and fauna of great diversity. During a long time, the exploitation of resources inside and outside the ecosystem was insignificant and was never considered in a ...
André Calmont
doaj   +1 more source

River logjams cause frequent large-scale forest die-off events in southwestern Amazonia [PDF]

open access: yesEarth System Dynamics, 2017
This paper investigates the dynamics of logjam-induced floods and alluvial deposition in the Bolivian Amazon and the effects these have on forest disturbance and recovery cycles. It expands on previous work by Gullison et al.
U. Lombardo
doaj   +1 more source

Ancient Amazonian populations left lasting impacts on forest structure [PDF]

open access: yes, 2017
Amazonia contains a vast expanse of contiguous tropical forest and is influential in global carbon and hydrological cycles. Whether ancient Amazonia was highly disturbed or modestly impacted, and how ancient disturbances have shaped current forest ...
Braswell, Bobby H.   +8 more
core   +4 more sources

Ecological research in the Large Scale Biosphere Atmosphere Experiment in Amazonia: A discussion of early results [PDF]

open access: yes, 2004
The Large-scale Biosphere–Atmosphere Experiment in Amazonia (LBA) is a multinational, interdisciplinary research program led by Brazil. Ecological studies in LBA focus on how tropical forest conversion, regrowth, and selective logging influence carbon ...
Alencar, Ane   +20 more
core   +1 more source

Characterization of the dynamics of the successional stages of the Amazon forest using Google Earth Engine

open access: yesForest Systems, 2023
Aim of study: This study evaluates the potential of the Google Earth Engine tool, supported by fine-scale information obtained by Unmanned Aerial Vehicle, to apply and characterize the dynamics of the successional stages of the Amazon Forest in the ...
Iací D. SANTOS-BRASIL   +5 more
doaj   +1 more source

Community based forest management plans in the Brazilian Amazon: current barriers threatening long term economic viability [PDF]

open access: yes, 2011
Community-based forest management (CBFM) projects are often seen as an alternative to protect forest and at the same time to provide incomes for small landholders.
Drigo, Isabel   +3 more
core  

Isotopic values of the Amazon headwaters in Peru: comparison of the wet upper Río Madre de Dios watershed with the dry Urubamba-Apurimac river system [PDF]

open access: yes, 2012
RATIONALE: The Amazon River is a huge network of long tributaries, and little is known about the headwaters. Here we present a study of one wet tropical Amazon forest side, and one dry and cold Atiplano plateau, originating from the same cordillera.
Clima   +35 more
core   +3 more sources

Reconstructing historical forest cover change in the Lower Amazon floodplains using the LandTrendr algorithm [PDF]

open access: yesActa Amazonica, 2016
The Amazon várzeas are an important component of the Amazon biome, but anthropic and climatic impacts have been leading to forest loss and interruption of essential ecosystem functions and services.
Everton Hafemann FRAGAL   +2 more
doaj   +1 more source

Adjustment of Thinning Equations for Forest Management Area in the Western Amazon

open access: yesJurnal Sylva Lestari, 2023
Logging in the Amazon using reduced impact methods has high potential. However, one of the problems of forest management is an accurate estimation of the wood stock of a forest.
Aécio Silva Dos Santos   +4 more
doaj   +1 more source

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