Results 31 to 40 of about 4,790 (125)

Climate Predicts Tree Dispersal Strategies Across Brazil's Ecosystems

open access: yesGlobal Ecology and Biogeography, Volume 35, Issue 7, July 2026.
ABSTRACT Aim We investigate the distribution of dispersal modes—endozoochory (via animal ingestion), synzoochory (via animal seed accumulation) and anemochory (via wind)—and seed mass of woody plants across Brazilian ecosystems, testing whether their relative abundance in local plant communities could be predicted by climate, edaphic factors and ...
Fernanda C. Souza   +126 more
wiley   +1 more source

Avaliação da Detecção de Desmatamento por Métodos de Sensoriamento Remoto no Estado do Tocantins, Brasil, entre 2006/2007 e 2010/2011

open access: yesRevista Brasileira de Cartografia, 2014
Amazonia and Cerrado are the largest Brazilian biomes that have been affected by the clear-cutting of native vegetation. This study analyzed the deforestation in Tocantins state in Brazil from 2006/2007 to 2010/2011.
Gustavo Maximiano Junqueira Lazzarini   +4 more
doaj  

Occurrence of multiple congenital anomalies in Potamotrygon amandae (Elasmobranchii, Potamotrygoninae) embryos, including the first report of bicephaly

open access: yesJournal of Fish Biology, Volume 109, Issue 1, Page 257-263, July 2026.
Abstract Reports of teratogenic embryos in elasmobranchs have been documented in multiple species, with proposed aetiologies including environmental disturbances, genetic mutations, predation, exposure to endocrine‐disrupting compounds and maternal stress.
Douglas de Castro Ribeiro   +2 more
wiley   +1 more source

A Smile From the Past: Exploring a Fixed Bone Dental Bridge From Eighteenth/Nineteenth Century Porto (Portugal)

open access: yesInternational Journal of Osteoarchaeology, Volume 36, Issue 3, Page 639-645, May/June 2026.
ABSTRACT This paper presents the first documented case of a fixed bone dental bridge in Portugal. This item was recovered alongside the remains of a young adult individual of indeterminate sex from the 19th century burial site of the 3rd Order of Our Lady of Carmo in Porto, Portugal.
Steffi Vassallo   +8 more
wiley   +1 more source

High temperature photoluminescence sensitivity of Te4+ in silver nanoparticle tellurite glasses: Application as optical temperature sensor

open access: yesNext Materials
Tellurite glasses with the composition (in mol%) (100-x)(75TeO2:25Li2O):xAgNO3 (x = 0, 0.6, and 1.2) were synthesized at 800 °C in an ambient atmosphere, for investigation of the influence of Ag nanoparticles on the Te4+ semi metal ion photoluminescence (
Adriana do Carmo Capiotto   +4 more
doaj   +1 more source

Unusual occurrence of Cochlichnus in aeolian sandstones: evidence for a stiletto fly larval origin

open access: yesPapers in Palaeontology, Volume 12, Issue 3, May/June 2026.
Abstract Cochlichnus anguineus is an ichnotaxon recognized for its distinctive regular wavy morphology. It is a characteristic trace fossil typically associated with aquatic and marginal aquatic environments. However, in this study we examine its unusual occurrence in the aeolian sandstones of the Botucatu Formation (Lower Cretaceous, Paraná Basin ...
Bernardo de C. P. e M. Peixoto   +8 more
wiley   +1 more source

Frost Decreases Fruit Production in a Neotropical Savanna: Implications for Frugivorous Bird Abundances

open access: yesBiotropica, Volume 58, Issue 3, May 2026.
Severe frost events seem to be happening on average every 5 years, rather than 7 years, as previously reported in the southern limit of the Cerrado, a Neotropical savanna. We conducted this study in the Cerrado, where severe frost events allowed us to compare fruit production and frugivorous bird abundance before and after the disturbance.
Mariana Campagnoli   +2 more
wiley   +1 more source

Phytotoxic activity of differents plant parts of Drimys brasiliensis miers on germination and seedling development

open access: yesBioscience Journal, 2015
The aim of this study was to evaluate the phytotoxic activity of aqueous extracts from mature leaves, stem bark and roots of Drimys brasiliensis Miers on germination and initial seedling development of two target species, Triticum aestivum L. (wheat) and
Simoni Anese   +4 more
doaj   +3 more sources

AS FONTES EM ITAMONTE, SUL DE MINAS GERAIS – UMA CONTRIBUIÇÃO PARA O ENTENDIMENTO DAS RELAÇÕES ENTRE ÁGUA SUPERFICIAL E SUBTERRÂNEA.

open access: yesRevista Águas Subterrâneas, 2005
RESUMO O trabalho caracterizou três surgências em microbacia (0,72 km2) situada no município de Itamonte, sul de Minas Gerais. A microbacia é composta por rochas gnáissicas do Complexo Paraíba do Sul, e blastomilonitos do falhamento local.
Edgar Pane, Sueli Yoshinaga Pereira
doaj   +1 more source

Actions and omissions in the management of demolition and construction waste in Caraguatatuba, SP

open access: yesVértices, 2015
Civil construction is one of the most significant activities for the social and economic development of the country. However, in the traditional construction process, the intense generation of demolition and construction waste (DCW) has caused negative ...
Nicole de Castro Pereira   +1 more
doaj   +1 more source

Home - About - Disclaimer - Privacy