Results 11 to 20 of about 8,476 (165)
A Palynological Atlas of the Amazon canga Vegetation [PDF]
cangas are iron-rich outcrops where rupestrian fields develop in the Carajás Mountain Range (CMR). canga formations are ancient ecosystems characterized by high levels of endemic and threatened plant species that thrive on iron-rich substrates in the ...
Luiza de Araújo Romeiro +10 more
doaj +3 more sources
Microclimate drives demographic compensation in a narrow endemic tropical species [PDF]
Summary Demographic compensation occurs when reductions in some vital rates are offset by increases in others, allowing populations to maintain similar performance across varying environments. This mechanism may help explain species' ecological distributions and range limits, yet its role at microenvironmental scales remains poorly understood.
Talita Zupo +10 more
wiley +2 more sources
Long‐term effects of a peer‐led Brief Alcohol Screening and Intervention for College Students (BASICS) intervention to reduce alcohol consumption among Spanish university students: A 12‐month randomised controlled trial [PDF]
Abstract Background and aims Harmful alcohol consumption remains widespread among university students and is associated with numerous academic, social and health‐related consequences. Peer‐led approaches offer a promising strategy to reduce risky drinking in this population.
María Lavilla‐Gracia +3 more
wiley +2 more sources
RESUMO Os campos rupestres sobre canga são um ambiente peculiar e freqüente na região do Quadrilátrero Ferrífero, Minas Gerais. Sua vegetação, associada a afloramentos hematíticos, apresenta uma série de adaptações morfológicas e fiosiológicas, assim ...
Pedro Lage Viana, Julio Antonio Lombardi
doaj +3 more sources
Our objective was to evaluate the floristic and structural relationships between Canga tree communities and other vegetation types inserted in the physiognomic units set, in order to test the hypothesis that these communities have unique characteristics ...
Cléber Rodrigo de Souza +8 more
doaj +2 more sources
Os estudos acadêmicos sobre cavidades naturais em formações ferríferas bandadas e canga, no Quadrilátero Ferrífero - Minas Gerais, são escassos diante do potencial espeleológico desta província mineral.
Manuela Corrêa Pereira +2 more
doaj +1 more source
Sympatric occurrence of two species of Pseudopaludicola (Anura: Leptodactylidae) and first record of Pseudopaludicola jaredi Andrade, Magalhães, Nunes-de-Almeida, Veiga-Menoncello, Santana, Garda, Loebmann, Recco-Pimentel, Giaretta & Toledo, 2016 in the state of Maranhão, northeastern Brazil [PDF]
Here, we document the sympatric occurrence of Pseudopaludicola canga and P. jaredi. We also provide the first record of P. jaredi in the state of Maranhão, northeastern Brazil, expanding this species’ distribution by about 610 km southwestward from Serra
Etielle Andrade +4 more
doaj +3 more sources
Vegetation and soil properties of an iron-rich canga (laterite) island on the largest outcrop of banded-iron formation in Serra de Carajás (eastern Amazonia, Brazil) were studied along a topographic gradient (738-762 m asl), and analyzed to test the ...
Jaquelina A. Nunes +5 more
doaj +1 more source
The Iron Quadrangle (IQ) is one of the main iron ore producing regions of the world. The exploitation of its reserves jeopardizes the high biological endemism associated with this region.
Camila G. C. Lemes +16 more
doaj +1 more source
Sinningia rupicola (Gesneriaceae), espécie ameaçada de extinção e classificada como endêmica de canga do Quadrilátero Ferrífero é aqui apresentada sob uma abordagem ecológica, baseada na análise de dados referentes a registros realizados em duas Reservas
Lídia Maria dos Santos +7 more
doaj +1 more source

