Results 131 to 140 of about 157,290 (280)
Effects of land management on soil carbon storage in the Brazilian Amazon
Abstract This study assessed the influence of land use on soil physical and chemical properties and evaluated machine learning (ML) models for predicting soil organic carbon (SOC) content and stocks in the top 0–30 cm layer across selected sites in the Brazilian Amazon. A total of 649 georeferenced samples of surface soil were analyzed for soil texture,
Gizachew Ayalew Tiruneh +4 more
wiley +1 more source
ABSTRACT The Amazon Basin is home to the world's greatest terrestrial biodiversity, but many plant groups remain poorly studied. One example is the mycoheterotrophic genus Thismia (Thismiaceae), which is notable for its highly specialized floral morphology and ephemeral life cycles, making it difficult to detect in the field and limiting its ...
Diego Ferreira da Silva +7 more
wiley +1 more source
The study of Neotropical Apicotermitinae remains challenging due to the large number of undescribed taxa (Linnean shortfall) as well as the scarcity of distributional data (Wallacean shortfall). Despite recent efforts to reduce the first one, the second remains an even more significant challenge.
Camila C. Mellado +10 more
wiley +1 more source
A review of above ground necromass in tropical forests [PDF]
Frolking, Steve +3 more
core +2 more sources
Past and current policy issues concerning tropical deforestation in Brazil [PDF]
This paper discusses past and current policies concerning tropical deforestation in Brazil. In the last few years, the Brazilian government has reviewed and changed many aspects of past policies that encouraged deforestation of the Brazilian Amazon ...
Motta, Ronaldo Serôa da
core
First continental‐scale synthesis of hygropetric beetle diversity and distribution across Neotropical highlands. Climatic and topographic gradients structure regional assemblages and niche overlap. Ecological convergence suggests adaptation to similar conditions across disjunct regions.
Janderson Batista Rodrigues Alencar +4 more
wiley +1 more source
CICLO REPRODUCTIVO Y DINÁMICA FOLICULAR EN GANADO Bos indicus
El ciclo estral es el conjunto de acontecimientos fisiológicos que se producen en el ovario, a intervalos de tiempo cíclicos, como consecuencia de las variaciones en los niveles hormonales. Se han realizado varios trabajos tanto en ganado Bos taurus como
Andres Felipe Valencia Hernández +2 more
doaj
Who prefers the dark? Daily activity of dung beetles from an Amazonian region
Daily activity patterns shape how dung beetle species coexist in Amazonian forests, revealing temporal niches that reduce competition and structure biodiversity. We compared species richness, abundance and assemblage composition of dung beetles sampled during day and night in a conserved terra‐firme forest in the Brazilian Amazon. Although richness and
Leonardo Vilas‐Bôas M. P. de Cerqueira +8 more
wiley +1 more source
Los efectos ambientales negativos, producto del elevado uso antrópico de combustibles fósiles además de otros inadecuados usos del suelo, han sido identificados por expertos desde hace ya varios cientos de años; sin embargo, las estrategias ...
Dairo García Moreno +2 more
doaj
Indigenous Urbanization in Amazonia: Interpretive Challenges and Opportunities [PDF]
Campbell, Jeremy M.
core +3 more sources

