Results 41 to 50 of about 46,595 (263)
Etnomapeamento de roças indígenas em ilhas de mata no lavrado de Roraima, extremo norte da Amazônia
AmbienteNa região da savana de Roraima (chamada de “lavrado”), onde predomina a vegetação herbácea, as roças indígenas são instaladas em áreas de vegetação florestal, restritas ao entorno de cursos d´água ou fragmentos denominados “ilhas de mata”, onde também ...
Rachel Pinho +5 more
doaj +1 more source
The Anatomical Record, EarlyView.Abstract The claspers are the copulatory organs in male elasmobranchs, responsible for directing the semen into the female cloaca (C). However, the microscopic morphology of the claspers remains poorly understood. This study describes the morphology of the claspers and clasper glands (CGs) of cururu stingray (Potamotrygon wallacei) at different ...
Matheus Samuel Cunha Braga +4 more
wiley +1 more source
, 2011 Central Amazonian rainforest landscape supports a mosaic of tall terra firme rainforest and ecotone campinarana, riparian and campina forests, reflecting topography-induced variations in soil, nutrient and drainage conditions.
Berton Zanchi, F. +4 more
core +1 more source
Archaeological Prospection, EarlyView.ABSTRACT High‐resolution and accurate synoptic images of terrestrial topography, even in densely forested areas, have proven valuable for archaeology by enabling the identification and characterization of relief patterns associated with ancient human activities. This study presents a novel approach that integrates digital terrain models (DTMs) obtained
Jhon A. Zabaleta‐Santisteban +13 more
wiley +1 more source
Exploring the potential of ucuúba (Virola surinamensis) seed fat
Biofuels, Bioproducts and Biorefining, EarlyView.Abstract Ucuúba (Virola surinamensis) fat is an important income source for Amazonian communities. Local businesses typically process whole seeds for fat extraction; however, seed structural integrity may influence extraction efficiency and fat quality.
Juan David Marmolejo Tascón +4 more
wiley +1 more source
Amphibian diversity in Amazonian flooded forests of Peru [PDF]
, 2015 Global biodiversity is currently facing the sixth mass extinction, with extinction rates at least 100 times higher than background levels. The Amazon Basin has the richest amphibian fauna in South America, but there remain significant gaps in our ...
Upton, Kathleen Anne
core
The Guianese paradox: How can the freshwater outflow from the Amazon increase the salinity of the Guianan shore? [PDF]
, 2007 French Guiana is notable for the extent of its rain forests, which occupy 97% of the country, and the influence of the Amazon along its shores. In fact, the shores and estuaries support a mangrove forest typical of saline conditions.
Muller, Etienne +2 more
core +1 more source
Impact of forest concessions on local jobs in central amazon
Trees, Forests and People, 2020 In the humid tropics, forest concessions have become the main mechanism of access to public forest resources. In Brazil, forest concessions began in 2006 with the creation of local jobs as one of its assumptions.
Jime Rodrigues Ribeiro +2 more
doaj +1 more source
Agronomy, 2021 Natural restoration of ecosystems includes the restoration of plant-microbial associations; however, few studies had documented those changes in tropical ecosystems.
Carlos H. Rodríguez-León +4 more
doaj +1 more source
Exploring new avenues: Psychedelic‐assisted therapy for young people
British Journal of Clinical Pharmacology, EarlyView.Rates of mental illness in young people are increasing, whereas the development of novel mental health treatments has not significantly progressed. Psychedelic‐assisted therapy, using substances such as psilocybin and 3,4‐methylenedioxymethamphetamine (MDMA), has shown potential in the treatment of mental illnesses in the adult population, including ...
Ioanna Artemis Vamvakopoulou +3 more
wiley +1 more source