Results 81 to 90 of about 616,003 (331)

Pinguicula brendae (Lentibulariaceae) sp. nov., a carnivorous plant from a tropical montane cloud forest in Hidalgo, Mexico

open access: yesNordic Journal of Botany, EarlyView.
A new species of Lentibulariaceae, Pinguicula brendae Rodríguez‐Ramírez, H.Shimai & A.R. Andrés‐Hernández, is described based on its unique morphological characteristics. This species is restricted to limestone rock walls in the San Bartolo Tutotepec municipality, central‐eastern Hidalgo, Mexico, where it inhabits a single locality on vertical, north ...
Ernesto C. Rodríguez‐ Ramírez   +2 more
wiley   +1 more source

Plantas asociadas a los bosques de Abies guatemalensis (Pinaceae) del occidente de Guatemala Plants associated to Abies guatemalensis (Pinaceae) forests in Western Guatemala

open access: yesRevista de Biología Tropical, 2013
Hay una carencia de información detallada sobre la composición y estructura de las comunidades montanas guatemaltecas. El objetivo del estudio fue contribuir al conocimiento de la flora de bosques de abeto (Abies guatemalensis), para esto se hizo el ...
José Vicente Martínez Arévalo
doaj  

Цифровая обработка звуковых сигналов в музыкальной акустике. Электроакустическая система активного управления звуковым полем

open access: yesВестник музыкальной науки, 2016
На современном этапе развития цифровых технологий обработки звуковых сигналов появились принципиально новые возможности в управлении звуковым полем, которые открыли перспективы в творчестве музыкантов, композиторов и звукорежиссеров.
Исаков, Юрий Иосифович
doaj   +1 more source

Meteorological versus spatial drivers of the spatial synchrony of forest insect pest outbreaks in North America

open access: yesOikos, EarlyView.
Spatial synchrony of population fluctuations has major consequences for the impacts of forest insect pest outbreaks at regional scales. We tested the predictions that the strength and drivers of this synchrony would differ among species according to their dispersal abilities and feeding guilds.
Kyle J. Haynes   +5 more
wiley   +1 more source

Bioclimatic, demographic and anthropogenic correlates of grizzly bear activity patterns in the Greater Yellowstone Ecosystem

open access: yesOikos, EarlyView.
Plasticity of diel activity rhythms may be a key element for adaptations of wildlife populations to changing environmental conditions. In the last decades, grizzly bears Ursus arctos in the Greater Yellowstone Ecosystem (GYE) have experienced notable environmental fluctuations, including changes in availability of food sources and severe droughts ...
Aurora Donatelli   +4 more
wiley   +1 more source

System-and-structural features of the phytobiotaof the fir-beech forests of the Pokuttia Carpathians

open access: yesНаукові праці Лісівничої академії наук України
The article presents the results of the system-structural analysis of the flora of fir-beech forests of the low mountain terrain of the Pokuttia Carpathians.
Myroslava Soroka   +4 more
doaj   +1 more source

Organosolv Fractionation of Softwood Biomass for Biofuel and Biorefinery Applications

open access: yesEnergies, 2017
Softwoods represent a significant fraction of the available lignocellulosic biomass for conversion into a variety of bio-based products. Its inherent recalcitrance, however, makes its successful utilization an ongoing challenge.
Christos Nitsos   +2 more
doaj   +1 more source

Thermal Emission from Warm Dust in the Most Distant Quasars

open access: yes, 2008
We report new continuum observations of fourteen z~6 quasars at 250 GHz and fourteen quasars at 1.4 GHz. We summarize all recent millimeter and radio observations of the sample of the thirty-three quasars known with 5 ...
Alain Omont   +18 more
core   +2 more sources

Rethinking Public Administration Reform: Institutional Layering of Bureaucratic, Managerial and Community Logics Over Time in Nigeria's Tax Administration

open access: yesPublic Administration and Development, EarlyView.
ABSTRACT The reform of public institutions has attracted sustained attention in both scholarship and policymaking. Increasingly, however, there is growing recognition that reforms are rarely implemented in an institutional vacuum. Instead, new reforms are layered onto existing arrangements, producing hybrid institutional landscapes shaped by prior ...
Edidiong Bassey
wiley   +1 more source

The Effect of Different Relative Humidity Conditions on Mechanical Properties of Historical Fir Wood Under the Influence of Natural Aging

open access: yesDrvna Industrija
Wood undergoes degradation and aging due to various physical and biological factors throughout its lifespan. Among these factors, environmental conditions such as relative humidity, temperature, rainfall, and UV radiation play a crucial role in the ...
Minel Ahu Kara Alasalvar   +4 more
doaj   +1 more source

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