Results 51 to 60 of about 4,108,594 (242)

Actividad molusquicida del Piquerol A aislado de Piqueria trinervia (compositae) sobre ocho especies de caracoles pulmonados The molluscicide activity of Piquerol A isolated from Piqueria trinervia (Compositae) against eight species of pulmonate snails

open access: yesMemorias do Instituto Oswaldo Cruz, 1989
De las partes aéreas de la planta Piqueria trinervia (Compositae) colectada en diveresas áereas de México, se aisló el Piquerol A. Este compuesto se probó como agente molusquicida contra ocho especies de caracoles pulmonados: Fossaria (Fossaria) humilis,
Alejandro Cruz-Reys   +4 more
doaj   +1 more source

Teoría y metodología de investigación sobre libros de texto: análisis didáctico de las actividades, las imágenes y los recursos digitales en la enseñanza de las Ciencias Sociales

open access: yes, 2018
Didactic materials in any format, especially Social Sciences textbooks — Geography and History —, have been historically constituted as a central resource in the classroom for this discipline.
J. C. Martínez, J. Rubio
semanticscholar   +1 more source

Análisis de oferta y demanda de los programas de actividades acuáticas. propuesta del ayuntamiento de yecla (Murcia)

open access: yesRevista de Investigación en Actividades Acuáticas, 2019
Antecedentes: Queda claro que la actividad física en el medio acuático está definida dentro de las más predilectas según los últimos avances dedicados al análisis de la demanda deportiva de la población española.
Isaac Abel Martínez Palao   +1 more
semanticscholar   +1 more source

Drivers of bat researchers’ intent to adopt field hygiene practices

open access: yesConservation Biology, EarlyView.
Abstract Infectious disease is a growing threat to wildlife, with zoonotic transmission most likely at the human–wildlife interface. One underappreciated activity at this interface is fieldwork with wild animals, but associated risks can be mitigated through field hygiene (FH) practices, such as using personal protective equipment and other appropriate
Joanna L. Coleman   +6 more
wiley   +1 more source

Indigenous peoples and local community reports of climate change impacts on biodiversity

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Climate change impacts on biodiversity have been primarily studied through ecological research methods, largely ignoring other knowledge systems. Indigenous and local knowledge systems include rich observations of changes in biodiversity that can inform climate change adaptation planning and environmental stewardship.
Albert Cruz‐Gispert   +5 more
wiley   +1 more source

Antiprotozoal activity of flavonoids from Eupatorium arnottianum [PDF]

open access: yes, 2017
Dichloromethane and ethanol extracts of Eupatorium arnottianum were evaluated for invitroleishmanicidal activity. The dichloromethane extract produced 80% and 85% of growthinhibition on both Leishmania mexicana and Leishmania amazonensis promastigotes ...
Cazorla, Silvia Ines   +7 more
core  

Using lessons from criminal justice research to improve conservation law enforcement research and practice

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Urgency to save species from extinction has prompted increased investment in law enforcement in protected areas. To date, such law enforcement has largely focused on increasing costs and reducing opportunities for offending. However, these resource‐intensive approaches are not always effective and can contribute to conflict between people and ...
Freya A. V. St. John   +3 more
wiley   +1 more source

Changes to the benthic assemblage associated with mollusc and seaweed cultivation in the Quempillén estuary, north patagonia, Chile Cambios bentónicos asociados a los cultivos de moluscos y de algas del estuario Quempillén en la patagonia norte de Chile

open access: yesGayana, 2010
The main aquaculture activities in the Quempillen estuary involve cultures of oysters, Ostrea chilensis and algae Gracilaria chilensis. Anthropogenic intervention inside the estuary generates significant changes in sediments and organic matter content ...
Elizabeth Encalada   +2 more
doaj  

A auto-apresentação das cidades na net pela actividade cultural

open access: yesSOPCOM: Associação Portuguesa de Ciências da Comunicação, 2005
SOPCOM: Associação Portuguesa de Ciências da Comunicação, 2005: 4º SOPCOM: “Repensar os Media: Novos Contextos da Comunicação e da Informação”
Poupinha, Luís, Espanha, Rita
openaire   +3 more sources

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