Results: 537

Distribución y patrones de desarrollo de asteroideos antárticos

Rev. biol. trop; 72 (supl.1), 2024
Resumen Introducción: Los equinodermos son dominantes en términos de abundancia y diversidad; particularmente los asteroideos presentan un importante rol en las comunidades bentónicas antárticas. Objetivo: El objetivo del presente trabajo fue revisar la distribución batimétrica, composición es...

Abundancia, densidad y estructura de tallas de Mellitella stokesii (Echinolampadacea: Mellitidae) en playones del estero El Tamarindo, El Salvador

Rev. biol. trop; 72 (supl.1), 2024
Resumen Introducción: Los equinoideos irregulares se caracterizan por tener una selección del sustrato en fondos blandos principalmente. En El Salvador se han registrado siete especies de equinoideos irregulares en las principales playas arenosas del país, M. stokesii es una de ellas. Objetivo: De...

Composition and spatio-temporal dynamics of aquatic bird community in humid areas of Alto Parana Atlantic Forest

Braz. j. biol; 84 (), 2024
Abstract The northwestern portion of the Upper Paraná Atlantic Forest ecoregion is one of the most disturbed and fragmented areas in the Atlantic Forest, and little is known about the local avifauna. In this study, we have described the composition and diversity of the aquatic avifauna of this region an...

Syagrus flexuosa (Mart.) Becc. (Arecaceae) seedling recruitment at the edge and interior of Cerrado remnants

Braz. j. biol; 84 (), 2024
The edge effect has impacts on seed and seedling survival due to modifications in biotic and abiotic factors. Often, large-seeded tree species lost seed vectors in the forest edge due to the rarity or absence of large frugivores at this habitat type. In this study, I compared the seedling abundance and d...

Distribution and diversity of aquatic insects in different water bodies of Qatar

Braz. j. biol; 84 (), 2024
Aquatic insect fauna remains an important tool for bio indication of environmental disturbance, while maintaining a healthy aquatic system. The purpose of the study was to document and to identify the diversity and distribution patterns of aquatic insect, a highly ignored aspect from the Qatar. Following...

Assessment of anthropogenic-causing-agents act on waterbirds-diversity in the vicinity of Tarbela Dam, Indus River, Pakistan

Braz. j. biol; 84 (), 2024
Abstract Birds are among the best bio-indicators, which can guide us to recognize some of the main conservation concerns in ecosystems. Anthropogenic impacts such as deforestation, habitat degradation, modification of landscapes, and decreased quality of habitats are major threats to bird diversity. The ...

Prediction of soil seed bank of piedmont and alluvial environments of Dera Ghazi Khan, Punjab, Pakistan

Braz. j. biol; 84 (), 2024
Abstract The current focus is on the overall pattern of seed storage present in the fragments of the soil of piedmont and alluvial landscapes of the environment. The present study predicted the seed banks of both soils of alluvial and piedmont zones in different ecological conditions and evaluate the pot...

Riverine forest as a significant habitat to harbor a wide range of bird species

Braz. j. biol; 84 (), 2024
Riverine forests are unique and highly significant ecosystems that are globally important for diverse and threatened avian species. Apart from being a cradle of life, it also serves as a gene pool that harbors a variety of flora and fauna species (repeated below). Despite the fact, this fragile ecosystem...

Dietary habits of lesser bandicoot rat (Bandicota Bengalensis) in an agro-ecosystem, Pothwar Plateau, Pakistan

Braz. j. biol; 84 (), 2024
Abstract Dietary habits of bandicoot rats (bandicota bengalensis) were investigated in the agricultural crops of the Pothwar Plateau, Pakistan by analysing stomach contents. The research activities were conducted in major field crops including wheat-groundnut and in the fallow lands during non-crop seaso...