Results 21 to 30 of about 261,323 (261)

The visible and invisible drivers of biocultural loss in the Amazon

open access: yesPeople and Nature, EarlyView.
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

Modelos para la simulación dinámica del crecimiento y desarrollo de pastos [PDF]

open access: yes, 2011
Este trabajo recoge una revisión de los modelos para la simulación dinámica del crecimiento y desarrollo de los pastos y su utilización con animales en pastoreo. Los modelos son herramientas para la toma de decisiones en la explotación ganadera y para la
Calvete Sogo, Hector   +2 more
core   +1 more source

Impact of parameterization in multiple acoustic index comparisons: practical cases in terrestrial and underwater soundscapes

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Parameter choices in acoustic analyses (sampling frequency, FFT size and window overlap) strongly influence multivariate soundscape separation. Using terrestrial and coral reef recordings, we show that these settings can exaggerate or mask ecological differences, emphasizing the need for parameter sensitivity testing and transparent reporting in ...
Juan C. Azofeifa‐Solano   +8 more
wiley   +1 more source

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

open access: yesRemote 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   +6 more
wiley   +1 more source

Efecto renoprotector de la eritropoyetina en modelos animales de daño renal. Revisión sistemática

open access: yesRevista Habanera de Ciencias Médicas, 2023
Introducción: la enfermedad renal crónica constituye un serio problema de salud al nivel mundial y ninguna terapia ha demostrado eficacia total para prevenirla o detener su progresión, por lo que se investigan sustancias con potencial citoprotector en el
Mónica Elena Fernández Jiménez   +1 more
doaj  

Scaling from microsite to landscape to resolve litter decomposition dynamics in globally extensive drylands

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Decomposition is the transformation of dead organic matter into its inorganic constituents. In most biomes, decomposition rates can be accurately predicted with simple mathematical models, but these models have long under‐predicted decomposition in globally extensive ...
Heather L. Throop   +8 more
wiley   +1 more source

Efecto protector de la piel de manzana en aterotrombosis de ratones apoe knock out [PDF]

open access: yes, 2012
84 p.El estudio de las enfermedades cardiovasculares en modelos animales, permite investigar de manera acabada los procesos involucrados en la patología cardiovascular.
Gajardo Robles, Mónica   +1 more
core  

How vulnerable are amphibians to climate change? A mechanistic perspective

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Amphibians are frequently identified as highly vulnerable to climate change, yet the mechanisms driving this sensitivity remain uncertain. Approaches that explicitly link physiological mechanisms to environmental variation provide powerful tools for forecasting climate ...
Eric A. Riddell   +2 more
wiley   +1 more source

Análisis retrospectivo de caracteres reproductivos en hembras bovinas criollas colombianas Romosinuano

open access: yesCiencia y Tecnología Agropecuaria, 2021
El objetivo del estudio fue estimar la repetibilidad del intervalo entre partos y establecer la relación con diferentes caracteres de eficiencia reproductiva de hembras Romosinuano. Una base de datos con 3.112 registros útiles de 871 hembras, colectados
Gustavo Alfonso Ossa Saraz   +4 more
doaj   +1 more source

Eficacia en los productos cosméticos: un enfoque celular [PDF]

open access: yes, 2014
La regulación europea que define el desarrollo y comercialización de los productos cosméticos hace un énfasis especial en la necesidad de demostrar la efectividad de los productos cosméticos, en un entorno en el que, debido a la prohibición de uso de ...
Castel i Gil, Susanna   +1 more
core  

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