Fogo no Brasil em 2024: o retrato fundiário da área queimada nos biomas
Ane Alencar¹, Vera Arruda¹, Felipe Martenexen¹, Eduardo Reis Rosa2, Eduardo Vélez-Martin3, Luis Fernando Guedes Pinto4, Soltan Galano Duverger 5, Newton Monteiro¹, Wallace Silva¹ ¹IPAM 2 ArcPlan 3GeoKarten 4Sos Mata Atlântica 5Geodatin Introdução O ano de 2024...
Hypogaeic and epigaeic ant (Hymenoptera : Formicidae) assemblages of atlantic costal rainforest and dry mature and secondary Amazon forest in Brazil : Continuums or communities
Meat, flour and sugar baits were used on the soil surface and buried to examine species composition of the ant fauna in three separate tropical forests in Brazil, and to control for the effect of the regional faunal pool. Compositional mosaic diversities were...
Smallholder agriculture along the lower Amazon floodplain, Brazil
This paper describes smallholder agricultural systems in the lower Amazon where the Santarém sub-Cluster is based. Here, despite the fertility of floodplain soils and a long tradition of floodplain farming, smallholder agriculture is stagnating. Once the basis of...
Vertical patterns of soil water uptake by plants in a primary forest and an abandoned pasture in the eastern Amazon: an isotopic approach
This study evaluated the water uptake patterns of a primary forest and of the savanna-like vegetation of an abandoned pasture in an eastern Amazon site. We used natural stable isotope abundance in the soil profile, as well as plots irrigated with deuterated water...
Shell size variation and aggregation behavior of Littoraria flava (Gastropoda : Littorinidae) on a southeastern Brazilian shore
Littoraria flava is a common snail on rocky shores and stems of mangrove trees along the southeastern coast of Brazil. However, studies on this species are absent. Our previous observation indicated a distance distribution pattern among shell size classes of this...
AVANÇA BRASIL: Os Custos Ambientais para a Amazônia
Relatório do Projeto “Cenários Futuros para a Amazônia”, que analisa o impacto dos planos do projeto "Avança Brasil" na região amazônica. Entre suas metas para os próximos anos está a quase duplicação da extensão das estradas pavimentadas e a construção de portos,...
Amazonia at the millennium
Much of what we thought was true about Amazon rainforests has turned out to be not quite so. As perceptions sharpen, the value of the Amazon ecosystem is becoming more fully appreciated, as are the consequences of converting this forest to other uses. Even though...