Results 41 to 50 of about 4,249 (176)

Increasing the diversity of Sycorax Haliday, 1839 (Diptera: Psychodidae) in the Neotropical region: New species from the Brazilian Atlantic Forest

open access: yesAustral Entomology, Volume 65, Issue 1, February 2026.
Abstract Four new species of Sycorax Haliday, 1839 are described: Sycorax alumna sp. nov., Sycorax catarina sp. nov., Sycorax paranaensis sp. nov., and Sycorax striga sp. nov., with the females of Sycorax striga sp. nov. bearing characteristics that suggest haematophagous behaviour.
Lucas Rossito   +2 more
wiley   +1 more source

Ecología urbana de Triatoma infestans en Argentina: asociación entre Triatoma infestans y palomares Triatoma infestans urban ecology in Argentina: association between Triatoma infestans and pigeon cotes

open access: yesRevista de Saúde Pública, 1995
Estudio se realizó en una área urbana de la Capital de la Provincia de San Juan, Argentina, en un barrio de 768 apartamentos distribuidos en edificios de 3 y 7 pisos que rodean una bodega central abandonada.
Silvana L. Vallvé   +2 more
doaj   +1 more source

Pollination and plant reproduction in the Cerrado, the world's most biodiverse savanna

open access: yesBiological Reviews, Volume 101, Issue 1, Page 74-105, February 2026.
ABSTRACT The Brazilian Cerrado is a continental‐wide biodiversity hotspot and the most species‐rich savanna ecosystem in the world. The main aspect characterising this biodiversity is that the landscape is arranged as an intricate mosaic of different plant formations, including grasslands, savannas, and forests, each harbouring distinct but ...
João C. F. Cardoso   +6 more
wiley   +1 more source

School rankings in Portugal : exploring some of their effects [PDF]

open access: yes, 2011
No presente artigo reflectimos sobre alguns dos efeitos da publicação dos rankings na acção organizacional dos actores educativos da escola pública, nomeadamente em Portugal.
Martins, Maria Fernanda dos Santos
core  

Importance and spatial patterns of invisible fisheries in Amazonian clear‐water rivers as revealed by fisher knowledge and collaboration

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
The graphical abstract highlights the research collaboration with fishers through interviews to record fishers' knowledge and participatory monitoring, to provide data on small‐scale fisheries in three clear water rivers (Trombetas, Tapajos and Tocantins).
Renato A. M. Silvano   +10 more
wiley   +1 more source

A mosaic of colors: The influence of biotic and abiotic factors shaping flower color diversity across a tropical mountain ecosystem

open access: yesAmerican Journal of Botany, Volume 113, Issue 1, January 2026.
Abstract Premise Flower color diversity within communities is shaped by biotic and abiotic factors. Pollinators often prefer specific colors, and floral pigments also help protect against abiotic factors such as ultraviolet (UV) radiation, precipitation, and temperature.
Maria Gabriela Gutierrez Camargo   +4 more
wiley   +1 more source

Habitat Structure Shapes Mollusc Assemblages in an Urban Semiarid River: Implications for Conservation and Public Health

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 1, January 2026.
ABSTRACT Fine‐scale environmental drivers shape freshwater mollusc assemblages in urban semiarid rivers. We examined how substrate composition and water chemistry influence mollusc richness and abundance along a polluted stretch of a river in the Brazilian semiarid region. Surveys at five sites recorded 2479 individuals.
Lucas Ariel Sousa Aguiar   +4 more
wiley   +1 more source

Factores de riesgo ambientales en la transmisión de la leishmaniasis cutánea en una zona endémica del Estado de Tabasco.

open access: yesHorizonte Sanitario, 2014
Objetivo. El objetivo de este trabajo consistió en identificar los factores de riesgo ambientales asociados a la transmisión de la leishmaniasis cutánea en el Municipio de Comalcalco, Tabasco. Material y metodo.
Juliana Gutiérrez Vázquez
doaj   +1 more source

Morphology and paleoecology of a hybodontiform with serrated teeth, Priohybodus arambourgi, from the Late Jurassic of northeastern Brazil

open access: yesThe Anatomical Record, Volume 309, Issue 1, Page 5-32, January 2026.
Abstract Hybodontiformes was a diverse, successful, and important group of shark‐like chondrichthyans known from a variety of ecosystems. Some representatives of the order had a wide palaeogeographic distribution, as is the case with Priohybodus arambourgi. With a multicuspidate crown, P. arambourgi was the first hybodontiform to develop fully serrated
Estevan Eltink   +5 more
wiley   +1 more source

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