Results 1 to 10 of about 549,481 (254)
Tracing holotype trajectories: Mapping the movement of the most valuable herbarium specimens
Global efforts to protect biodiversity depend on fair access to key plant specimens. This study examines the distribution of 119,361 holotypes—unique herbarium specimens used to formally describe new plant species. By linking collection and storage data, we found that holotypes are increasingly held closer to their places of origin, particularly in ...
Dominik Tomaszewski +2 more
wiley +1 more source
Balancing tracks and trees: Assessing railroad impact on Brazilian biodiversity
The Brazilian West–East Integration Railway (FIOL) aims to boost the national economy by improving commodity transport; however, it crosses three of Brazil's most biodiverse and fragile regions: the Caatinga, Cerrado and Atlantic Forest. Using digitised plant records and land‐use analyses, our study reveals significant vegetation loss within the ...
Ana Luiza Silva Rocha +3 more
wiley +1 more source
Exploring Costa Rica's fungal trends: Insights from digitized specimens
Fungi are essential to tropical ecosystems but remain largely absent from conservation agendas. By analyzing over 78,000 fungal records from Costa Rica—a globally recognized biodiversity hotspot—this study reveals key patterns in fungal diversity, distribution, and seasonality.
Melissa Mardones +2 more
wiley +1 more source
Seguimiento del paciente asmático: qué debe saber el farmacéutico comunitario
El asma tiene una prevalencia de entre un 1 y un 18% dependiendo del país. En el proceso de atención al paciente, y a través de los síntomas que presenta (disnea, tos, sibilancias, opresión torácica), el farmacéutico comunitario puede hacer educación ...
Plaza Zamora J
doaj
ABSTRACT This study addresses the influence of key processing variables on the hydrothermal alkaline treatment of low‐temperature fired kaolin‐aggregates for the development of zeopolymers (zeolite–geopolymer composites). Parameters such as hydrothermal treatment temperature (90 and 150°C), reactor volume (250 and 500 mL), liquid‐to‐solid (L/S) ratio ...
Noelia Cotón +4 more
wiley +1 more source
Teoría de las cantidades conservadas: una tensión interna
En su intento de responder a la pregunta acerca de qué es una relación causal, la Teoría de las cantidades conservadas de Phil Dowe define ‘proceso causal’ como ‘línea de mundo de un objeto que posee una cantidad conservada’.
Manuel Jesús Herrera Aros
doaj +1 more source
ABSTRACT The accelerated digitalisation of society has amplified cybersecurity threats and revealed their cross‐sectoral nature. Yet, the policy instruments used to address these challenges remain insufficiently examined. This study conducts a scoping review of 980 academic articles (2007–2024) and applies Hood's NATO framework (Nodality, Authority ...
Benedetta Cotta, Maria Stella Righettini
wiley +1 more source
PROMETEO, PENSADOR DE LA "NECESIDAD" EN ESQUILO
El presente ensayo pretende esbozar un "diálogo" entre la figura de Prometeo y su figuración pre-conceptual de la necesidad (Anákê, Moîra) con el fin de señalar los rasgos que lo acercan a los filósofos presocráticos.
Óscar Adían
doaj
Colombia es uno de los países más ricos en cuanto a recurso hídrico, sin embargo, se ha visto ha visto afectado por la alta demanda generada por las poblaciones y por el desarrollo agroindustrial.
Melissa Andrea Hoyos Chaverra +2 more
doaj +1 more source
The visible and invisible drivers of biocultural loss in the Amazon
Abstract The Amazon is rapidly approaching an ecological tipping point driven by deforestation, forest degradation and global climate change. These are visible issues that receive increasing political and public attention. However, the accelerating biocultural loss in the Amazon, including the extinction of Indigenous languages, the disruption of ...
Torsten Krause +5 more
wiley +1 more source

