Results 41 to 50 of about 2,381 (208)

Vitex oreadica and V. umbellata (Lamiaceae): two new species from Cerrado and Atlantic forest of Brazil

open access: yesNordic Journal of Botany, EarlyView.
Vitex L. is a pantropical genus of Lamiaceae comprising 209 taxa. Brazil harbors 35 species, representing nearly 50% of the genus richness in the Neotropics, with the Amazon showing the highest richness, followed by the Atlantic Forest and Cerrado domains. Nevertheless, most taxonomic studies of the genus have been conducted in Africa and Asia.
Thaís Teixeira Conegiro   +2 more
wiley   +1 more source

GENERACIÓN DE CRECIDAS Y SU RELACIÓN CON LA URBANIZACIÓN EN LA SUBCUENCA DEL RÍO VILLALLOBOS

open access: yesAgua, Saneamiento & Ambiente, 2022
La subcuenca del río Villalobos constituye la parte alta de la cuenca del río María Linda, se encuentra asentada parte de la ciudad capital de la república de Guatemala, así como municipios periféricos, región que ha experimentado un aumento constante ...
Juan Carlos Juan Carlos
doaj  

Condiciones tropicales de la lluvia estacional en la agricultura de secano de Carabobo, Venezuela

open access: yesLa Granja: Revista de Ciencias de la Vida, 2018
La variabilidad y el cambio climático están teniendo fuertes repercusiones sobre diferentes variables meteorológicas; induciendo cambios en el patrón de precipitación que afecta directamente la disponibilidad hídrica en los agroecosistemas.
Barlin Orlando Olivares
doaj   +1 more source

Open letter: The need for a site‐based biodiversity standard measuring and certifying impacts from nature‐based projects

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Despite growing investment in restoration, weak accountability and poor biodiversity monitoring mean many projects fail to achieve ecological recovery. The Global Biodiversity Standard (TGBS) offers a practical way to ensure that restoration finance delivers measurable gains for nature.
David Bartholomew   +254 more
wiley   +1 more source

ORCHESTRATING DIFFERENCE AND SIMILARITY: Black Fungibility, and the Spatial Redrawing of Racial Categories in Spanish Colonial Morocco, Sahara and Guinea

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract In this article I dissect the spatial strategies through which the Spanish attempted to orchestrate both racial difference and similarity in the African colonies of Morocco, Western Sahara and Equatorial Guinea during the first half of the twentieth century.
Pol Fité Matamoros
wiley   +1 more source

Rethinking areas of endemism and barriers: perspectives for a causal historical biogeography and a critique of Schultz and Cracraft (2024)

open access: yesCladistics, EarlyView.
Abstract Historical biogeography faces a persistent conceptual and methodological dilemma concerning the nature of its central analytical units. Using the recent proposal by Schultz and Cracraft (Cladistics 40, 653) as a catalyst, this article critiques the argument that causal inference necessitates the replacement of areas of endemism with barriers ...
Augusto Ferrari
wiley   +1 more source

Bacterial communities in sediments of an urban wetland in Bogota, Colombia

open access: yesUniversitas Scientiarum, 2022
Urban wetlands are biodiversity reservoirs sustained by microbe-mediated processes. In tropical zones, wetland microbial dynamics remain poorly understood.
Maribeb Castro González   +2 more
doaj   +1 more source

DETERMINACIÓN DE LA ESTRUCTURA TÉRMICA EN UN LAGO TROPICAL DE ALTA MONTAÑA: CASO LAGO GUAMUÉS. AÑO 2014. [PDF]

open access: yes, 2014
EPILIMNIÓN, HIPOLIMNIÓN, LIMNOLOGÍA, ESTRATIFICACIÓN TÉRMICA. Se realizó un estudio en el cual se analiza las características térmicas del lago Guamués localizado en el departamento de Nariño, esto a partir de valores de la temperatura °C y oxígeno ...
Jurado Rosero, Gonzalo Alberto
core  

Gender inequality in urban British Africa: Evidence from Anglican marriage registers

open access: yesThe Economic History Review, EarlyView.
Abstract We examine the colonial origins and evolution of gender inequality in mission schooling and formal labour force participation across six cities in British colonial Africa, using marriage register data for some 30,000 Anglican brides and grooms well‐positioned to benefit from colonial educational and employment opportunities.
Felix Meier zu Selhausen, Jacob Weisdorf
wiley   +1 more source

Occurrence and distribution of sarcoptic mange in wild Neotropical canids

open access: yesMedical and Veterinary Entomology, EarlyView.
Sarcoptic mange affects most Neotropical canid species across multiple countries. It represents a widespread yet largely overlooked conservation threat with potential for cross‐species transmission. Coordinated monitoring and management efforts are needed to understand and mitigate its impacts. Abstract Sarcoptic mange, a contagious skin disease caused
Luan de Jesus Matos de Brito   +1 more
wiley   +1 more source

Home - About - Disclaimer - Privacy