Abstract:The Neotropical bee Centris (Hemisiella) dichrootricha is a solitary bee that nests in pre-existing cavities that occur in the rain forest. This study describes the nesting biology of C. dichrootricha and its preference for nesting in Cerrado and gallery forest habitats. The study was conducted ...
Distribución Animal,
Abejas/fisiología,
Brasil,
Bosques,
Comportamiento de Nidificación/fisiología,
Polen/clasificación,
Estaciones del Año,
Distribución por Sexo,
Factores Sexuales,
Especificidad de la Especie,
Factores de Tiempo
Abstract:The quantification of genetic diversity and intrapopulation spatial genetic structure (SGS) of tree species are important aspects for in and ex situ conservation practices. In this study we seek to understand the importance of conservation areas by quantifying the genetic diversity and the spati...
ResumenEl desarrollo de técnicas y tratamientos silvícolas tiene como objetivo principal el aumento de la productividad forestal, al mismo tiempo que minimiza el impacto sobre la diversidad. A pesar de ello, estas actividades modifican la estructura de la vegetación, así como el clima local, alterand...
Anfibios/fisiología,
Distribución Animal,
Biodiversidad,
Conservación de los Recursos Naturales,
Agricultura Forestal,
Bosques,
México,
Dinámica Poblacional,
Reptiles/fisiología,
Especificidad de la Especie,
Factores de Tiempo
Abstract:The seed dispersal process is a crucial stage in plant regeneration and maintenance of forest biological diversity. While the number of removed seeds is quantitative, the distance to which a seed is removed from its origin is qualitative, because it affects the probability that a seed will germi...
AbstractLocal communities in some Asian, African and American countries, use plant toxins in fish poisoning for fishing activities; however, the effects of this practice on the particular wild fish assemblages is unknown. This study was conducted with the aim to investigate the effects of fish poisoning ...
Abstract:The determination of favorable light habitat conditions per species and life stage is transcendental, for both ex situ and in situ conservation strategies of endangered forest tree species, and for their utilization as plantation trees. This becomes especially important when planting material is...
Análisis de Varianza,
Biomasa,
Cedrela/fisiología,
Bosques,
Fotosíntesis/fisiología,
Hojas de la Planta/fisiología,
Valores de Referencia,
Estaciones del Año,
Plantones/fisiología,
Especificidad de la Especie,
Luz Solar,
Factores de Tiempo,
Clima Tropical
En Barrancominas (Guainía, Colombia) las diferentes formas culturales de trabajo y producción de la comunidad Piapoco, incluyen la tumba y quema de bosques a orillas del río, para ampliación de frontera agrícola, establecimiento de cultivos ilícitos y potreros; lo cual contribuye en el aumento de l...
Abstract A transect was used to examine the environmental and biological descriptors of a compact vegetation mosaic in the Chapada Diamantina in northeastern Brazil, including the floristic composition, spectrum of plant life forms, rainfall, and soil properties that defined areas of cerrado (Brazilian s...
Abstract The semiarid region of northeastern Brazil, the Caatinga, is extremely important due to its biodiversity and endemism. Measurements of plant physiology are crucial to the calibration of Dynamic Global Vegetation Models (DGVMs) that are currently used to simulate the responses of vegetation in fa...
Biodiversidad,
Brasil,
Caesalpinia/crecimiento & desarrollo,
Caesalpinia/fisiología,
Calibración,
Minería de Datos/métodos,
Fenómenos Ecológicos y Ambientales,
Bosques,
Calentamiento Global,
Modelos Lineales,
Modelos Biológicos,
Árboles/clasificación
AbstractThere is increasing evidence that large-bodied primates play important roles as seed dispersers and in the maintenance of tree diversity in forest ecosystems. In this study we compared forest regeneration at two sites with differing primate abundances in the Ecuadorian Chocoan rainforest. We pred...
