Results 131 to 140 of about 80,664 (261)

Las especies del género Tibouchina (Melastomataceae) en Argentina

open access: yesDarwiniana, 2002
El género Tibouchina, Melastomataceae, está ampliamente distribuido en las regiones tropicales y subtropicales de América, incluyendo alrededor de 350 especies.
Paola Peralta
doaj  

Estado actual de las investigaciones sobre líquenes foliícolas en la región neotrópica : con un análisis biogeográfico preliminar [PDF]

open access: yes, 1997
An overview over the present state of investigations on foliicolous lichens in the Neotropics is provided. Historically, a division can be made into (1) the initial period, dominated by the work of J.
Lücking, Robert
core  

Fish loss in tropical coastal ecosystems can jeopardise nutrient supply to traditional fishing communities: A case study from Northeast Brazil

open access: yesPeople and Nature, Volume 8, Issue 5, Page 1248-1260, May 2026.
Abstract Fisheries constitute one of the major benefits that oceans provide for people. Yet anthropogenic pressures and global changes are disrupting coastal systems, eroding marine biodiversity and threatening the food security of traditional populations.
Fabricio C. Albuquerque   +4 more
wiley   +1 more source

Detección molecular y serológica de Trypanosoma cruzi en un gato doméstico de Costa Rica

open access: yesCuadernos de investigación UNED
Introducción: Trypanosoma cruzi es el protozoo causante de la enfermedad de Chagas, una infección zoonótica de relevancia en América Latina. Los perros son los principales reservorios peridomésticos, el papel de los gatos ha sido menos explorado ...
Maria Jose Zuniga-Moya   +4 more
doaj   +1 more source

Revisión sistemática : Prevalencia y tratamiento de Ehrlichiosis en humanos y caninos de países tropicales de América [PDF]

open access: yes, 2017
La ehrlichiosis es una enfermedad infecciosa, no contagiosa, considerada zoonótica y emergente, transmitida principalmente por la picadura de garrapatas.
Rodríguez López, Leidy Katherine
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Data gaps and heterogeneity limit our understanding of human–wildlife interactions: A continental study of Andean bears

open access: yesPeople and Nature, Volume 8, Issue 5, Page 1499-1519, May 2026.
Abstract The expansion and intensification of human activities have increased interactions between people and wildlife. Interactions involving bears and other large carnivores are complex and can lead to conflicts. Promoting positive coexistence requires managing information, which is not always available.
Roxana Rojas‐VeraPinto   +2 more
wiley   +1 more source

Evaluaci?n de la composici?n flor?stica, la estructura y la diversidad de tres bosques secos tropicales en el alto Magdalena, departamento del Tolima [PDF]

open access: yes, 2018
80 p. Recurso Electr?nicoSe evalu? la composici?n flor?stica y estructural de tres bosques secos tropicales en el alto Magdalena, ubicados en el sur-oriente (bosque La Flor), centro (bosque El Neme) y norte (bosque la Zorra) del departamento del Tolima ...
Fonseca Pe?a, Lina Mar?a   +1 more
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Panama Canal expansion and shifts in fishing practices: A social‐ecological network approach

open access: yesPeople and Nature, Volume 8, Issue 5, Page 1520-1532, May 2026.
Abstract Species introductions have spiked over the past two centuries due to globalization. These introductions impact ecosystems, but may also have long‐term implications for human communities. In one of the world's hubs for global shipping, the Panama Canal, a recent canal expansion has coincided with an increase in marine fishes entering the ...
Michelle Hübel   +10 more
wiley   +1 more source

Functional traits predict changes in floral phenology under climate change in a highly diverse Mediterranean community

open access: yesFunctional Ecology, Volume 40, Issue 5, Page 1270-1285, May 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Plants are shifting their flowering phenology in response to climate change, but trends differ between species and communities. Functional traits can largely explain how different species respond to climate change by shifting their phenology, and can therefore help ...
Daniel Pareja‐Bonilla   +3 more
wiley   +1 more source

Dinámica poblacional en una cronosecuencia de bosque seco tropical, Parque Nacional Santa Rosa, Guanacaste, Costa Rica. [PDF]

open access: yes, 2017
Proyecto de Graduación (Licenciatura en Ingeniería Forestal) Instituto Tecnológico de Costa Rica, Escuela de Ingeniería Forestal, 2017.Resumen. Los bosques secos tropicales son un ecosistema fuertemente amenazado debido a factores antropogénicos. Además,
Blanco-Arias, Brandon Fabricio
core  

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