Results 31 to 40 of about 461,757 (226)

Exploring Costa Rica's fungal trends: Insights from digitized specimens

PLANTS, PEOPLE, PLANET, EarlyView.
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, Julieta Carranza‐Velázquez, Carlos Rojas   +2 more
wiley   +1 more source

Dinámica fractal de las partículas PM2,5 en la Ciudad de México

Revista Ingeniería UC, 2021
La contaminación atmosférica es un problema relevante en la actualidad debido al riesgo que representa para los entornos urbanos. Las altas concentraciones de partículas PM2,5 son sumamente dañinas para la salud humana y generan altos índices de ...
Mario Aguilar-Fernández, Sergio Barrientos-Ramírez , Arturo Merlín-Rodríguez , Brenda García-Jarquín , Víctor M. López-Sánchez   +4 more
doaj   +1 more source

Knee height is often right: evaluating device height effects on camera trapping rate

Remote Sensing in Ecology and Conservation, EarlyView.
Camera trap deployment height can introduce systematic biases in detection trapping rates across species of different body sizes. Combining 172 paired sampling points in five experiments across Europe, North America and Africa, our results show that low cameras significantly increase detections of small‐ and medium‐sized species, whereas high cameras ...
Jorge Sereno‐Cadierno, Tim R. Hofmeester, Marcus Becker, Alice Bernard, Lizette Moolman, Hervé Fritz, Pelayo Acevedo   +6 more
wiley   +1 more source

Series de tiempo financieras. Un enfoque alternativo

Pädi Boletín Científico de Ciencias Básicas e Ingenierías del ICBI, 2020
El mercado bursátil constituye un sistema social, dinámico y complejo. Por tanto, para caracterizarlo y modelarlo es necesario contar con herramientas que nos permitan estudiar de qué manera se producen las diferentes interrelaciones entre los elementos deeste sistema. Una herramienta matemática extremadamente útil para modelar los mercados financieros
Carlos Arturo Soto Campos, V.A. Reyes Rodríguez, C. Rondero Guerrero   +2 more
openaire   +2 more sources

Análisis de componentes principales funcionales en series de tiempo económicas [PDF]

, 2015
El análisis de datos funcionales ha cobrado gran relevancia en los últimos años, convirtiéndose en un importante campo de investigación en la Estadística.
Chávez-Chong, Cristina O., DelaCerda-Gastélum, José, Sánchez-García, Jesús E.   +2 more
core  

Mothers against the natural order: Gender representations and desertion of identities in the drama of disinheriting a son in eighteenth‐century Barcelona  

Gender &History, EarlyView.
ABSTRACT The disinheritance of a firstborn son accustomed to the privileges of exclusion has for centuries been a dramatic event for families, especially if the decision was taken by a woman, the son's own mother. Very few dared to do so, because it symbolised a break with the notion of virtuous, compassionate motherhood; it represented a failure to be
Mariela Fargas Peñarrocha
wiley   +1 more source

El tratamiento de la volatilidad en series de tiempo financieras [PDF]

, 2014
El objetivo primordial de esta investigación es el de examinar los métodos para tratar una gran variedad de datos con irregularidades que suceden en series de tiempo y en especial en aquellas referidas a la actividad financiera.
Abril, María de Las Mercedes
core   +1 more source

‘Childish’ and ‘Minors’? Deconstructing Prejudice and Identity Transformation Among Spanish Women Religious During the Long Sixties1

Gender &History, EarlyView.
ABSTRACT This article explores the identity formation process undertaken by Spanish women's religious following the aggiornamento promoted by the Second Vatican Council. Specifically, it seeks to examine the context in which these women lived and acted, analysing the construction of their identities, their capacity for agency and transgression within ...
Verónica García‐Martín
wiley   +1 more source

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

International 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

The collective application of shorebird tracking data to conservation

Conservation Biology, EarlyView.
Abstract Addressing urgent conservation issues, such as the drastic declines of North American migratory birds, requires creative, evidence‐based, efficient, and collaborative approaches. The abundance of over 50% of monitored North American shorebird populations has declined by over 50% since 1980. To address these declines, we developed a partnership
Autumn‐Lynn Harrison, Candace Stenzel, Alexandra Anderson, Jessica Howell, Richard B. Lanctot, Marley Aikens, Joaquín Aldabe, Liam A. Berigan, Joël Bêty, Erik Blomberg, Juliana Bosi de Almeida, Andy J. Boyce, David W. Bradley, Stephen Brown, Jay Carlisle, Edward Cheskey, Katherine Christie, Sylvain Christin, Rob Clay, Ashley Dayer, Jill L. Deppe, Willow English, Scott A. Flemming, Olivier Gilg, Christine Gilroy, Susan Heath, Jason M. Hill, J. Mark Hipfner, James A. Johnson, Luanne Johnson, Bart Kempenaers, Paul Knaga, Eunbi Kwon, Benjamin J. Lagassé, Jean‐François Lamarre, Christopher Latty, Don‐Jean Léandri‐Breton, Nicolas Lecomte, Pam Loring, Laura A. McDuffie, Rebecca McGuire, Scott Moorhead, Juan G. Navedo, David Newstead, Erica Nol, Alina Olalla‐Kerstupp, Bridget Olson, Elizabeth Olson, Julie Paquet, Allison K. Pierce, Jennie Rausch, Kevin Regan, Matthew E. Reiter, Amber M. Roth, Mike Russell, Daniel Ruthrauff, Sarah T. Saalfeld, Amy L. Scarpignato, Shiloh Schulte, Nathan R. Senner, Joseph A. M. Smith, Paul A. Smith, Zach Spector, Kelly Srigley Werner, Michelle L. Stantial, Audrey R. Taylor, T. Lee Tibbitts, Mihai Valcu, Nils Warnock, Walter Wehtje, Brad Winn, Michael B. Wunder   +71 more
wiley   +1 more source