Results 21 to 30 of about 745 (145)

Hummingbird interaction niche packing is influenced by species richness and resource availability in the southern tropical Andes

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Niche partitioning is often considered an important mechanism promoting species co‐occurrence in species‐rich communities. As species richness increases, niche partitioning may lead to different niche structures, including increased packing of species niches when the ...
Bryan G. Rojas   +3 more
wiley   +1 more source

Lichen bleaching as a response to long‐term experimental warming in the High Arctic

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Lichens are an important component of Arctic ecosystems. Studies have indicated a decline in the abundance of Arctic lichens during recent decades, which is often attributed to competitive pressure from vascular plants.
Jiří Šubrt   +3 more
wiley   +1 more source

Efecto combinado de cepa de levadura y Terroir en vinos Malbec de Mendoza

open access: yesE3S Web of Conferences, 2018
Las cepas de levaduras producen atributos distintivos en los vinos, como así también, la uva proveniente de diferentes zonas puede modificar el flavour del vino.
Pérez Dolores   +4 more
doaj   +1 more source

Contribución de esquemas de fertilización orgánica y convencional al crecimiento y producción de Theobroma cacao L. bajo arreglo agroforestal en Rivera (Huila, Colombia)

open access: yesCiencia y Tecnología Agropecuaria, 2016
El impacto de los esquemas de fertilización orgánica sobre el crecimiento y la producción de cacao (Theobroma cacao L.) bajo sistemas agroforestales (SAF) se han estudiado poco.
Faver Álvarez Carrillo   +2 more
doaj   +1 more source

Cumulative heatwave stress disrupts thermal homeostasis and plumage structure in a Mediterranean passerine

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Heatwaves are becoming increasingly frequent across the Mediterranean and pose critical challenges for small passerines, yet the physiological and morphological limits to their resilience remain poorly understood.
Erick González‐Medina   +6 more
wiley   +1 more source

COMPARACIÓN DE DOS MÉTODOS DE TRANSFERENCIA DE EMBRIONES EN EL GANADO CRIOLLO LECHERO TROPICAL

open access: yesEcosistemas y Recursos Agropecuarios, 2015
En el ganado Criollo Lechero Tropical (CLT), se desconoce el mejor método para la criopreservación de sus embriones para transferencia. El objetivo del estudio fue comparar los métodos por curva lenta y vitrificación en receptoras CLT puras y mestizas ...
Fernando Naranjo-Chacón   +6 more
doaj   +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

Determinantes de la tasa de interés: la paradoja de Gibson y la teoría de Fisher

open access: yesEconómica, 1985
Este trabajo se propone verificar diversas hipótesis sobre los determinantes de la tasa de interés real, concentrándose en la verificación de la paradoja de Gibson y el Efecto Fisher.
Ana María Cerro
doaj  

An experimental approach to assess the combined effects of multiple stressors on a large vertebrate species

open access: yesConservation Biology, EarlyView.
Abstract The design of experiments to investigate the combined effects of multiple stressors requires exposing target organisms to multiple combinations of stressor doses. Concurrent manipulation of stressors is often infeasible with wildlife, but long‐lasting health effects allow individual health to be used as an integrator of prior stressor exposure.
Enrico Pirotta   +24 more
wiley   +1 more source

Influencia del ambiente edáfico y la fertilización nitrogenada, en cultivares de trigo diferenciados por su potencial

open access: yesSemiárida, 2020
El objetivo del trabajo fue evaluar el efecto del ambiente edáfico sobre el rendimiento y la respuesta de tres variedades de trigo a la fertilización nitrogenada a la siembra (dosis 0, 40 y 120 Kg N.ha-1).
A. Quiroga   +4 more
doaj  

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