Results 31 to 40 of about 3,173 (186)

Fractal dimension does not adequately describe the complexity of leaf margin in seedlings of Quercus species

Anales del Jardín Botánico de Madrid, 2002
We quantified the complexity of leaf margin in a set of Quercus tree species using fractal dimension estimated by the box-counting method (FDb). Leaves were sampled from seedlings in a set of 15 Quercus species with a wide range of leaf morphology (Q ...
Jesús Julio Camarero, Sergio Sisó, Eustaquio Gil-Pelegrín   +2 more
doaj   +1 more source

Growth phenology adjusts to seasonal changes in water availability in coexisting evergreen and deciduous mediterranean oaks

Forest Ecosystems, 2023
Different leaf (evergreen vs. deciduous habit) and xylem (diffuse-vs. ring-porous wood) traits represent contrasting strategies to face seasonal changes in water availability and temperature.
Filipe Campelo, Álvaro Rubio-Cuadrado, Fernando Montes, Michele Colangelo, Cristina Valeriano, J. Julio Camarero   +5 more
doaj   +1 more source

Stand Age, Standard Retention Density and Site Conditions as Drivers of Shoot Biomass Accumulation in Mediterranean Oak Coppices

Land Degradation &Development, EarlyView.
ABSTRACT Mediterranean oak coppices represent an important fuelwood resource in Central Italy, but management decisions are often constrained by limited quantitative evidence on the relative importance of stand development, standard retention, site conditions, and climate in driving shoot biomass accumulation.
Francesco Latterini, Rodolfo Picchio, Dominika Janiszewska‐Latterini, Łukasz Pawlik, Rachele Venanzi, Walter Stefanoni, Marcin K. Dyderski   +6 more
wiley   +1 more source

Chemical composition, physical properties and sensory attributes of gluten-free pasta produced from acorn flour

Czech Journal of Food Sciences
The use of flours from the acorns of Quercus ilex and Quercus coccifera to produce gluten-free pasta was investigated in the current study. The latter evaluates the nutritional value, physical properties (minimum preparation time, water absorption index,
Lassoued Rabeb, Chouaibi Moncef, Gharsallah Karima, Abderrabba Manef, Mejri Jamel   +4 more
doaj   +1 more source

Soil properties and understory herbaceous biomass in forests of three species of Quercus in Northeast Portugal

Forest Systems, 2014
Aim of study: This paper aims to characterize some soil properties within the first 25 cm of the soil profile and the herbaceous biomass in Quercus forests, and the possible relationships between soil properties and understory standing biomass.Area of ...
Marina Castro, Esther Fernandez-Nuñez
doaj   +1 more source

Pollen morphology of some species of the genus Quercus L. (Fagaceae) in the Southern Caucasus and adjacent areas

Acta Palaeobotanica, 2020
The palynomorphology of 19 modern species of the genus Quercus L. native to Armenia and adjacent regions, including the Caucasus and Transcaucasia, the Mediterranean region (especially Turkey), as well as Iran, Iraq and Afghanistan, was studied using ...
Alla Hayrapetyan, Angela A. Bruch
doaj   +1 more source

European species of Dendrostoma (Diaporthales) [PDF]

MycoKeys, 2019
European species of the genus Dendrostoma (Erythrogloeaceae, Diaporthales) occurring on Castanea sativa and Quercus spp. based on freshly collected material are presented.
Walter M. Jaklitsch, Hermann Voglmayr
doaj   +3 more sources

Photosynthesis and photoprotection in Quercus ilex resprouts after fire [PDF]

Tree Physiology, 1998
Plants that resprout after fires often have higher rates of photosynthesis than before a fire. To elucidate the mechanism of this response, we studied gas exchange and chlorophyll fluorescence in Quercus ilex L. plants growing on control (unburned) sites and on sites that had been burned the preceding summer.
I., Fleck, K. P., Hogan, L., Llorens, A., Abadía, X., Aranda   +4 more
openaire   +2 more sources

Application of Circular Economy Principles to Power Generation: Extending the Life of A Hydropower Plant by Pumped Hydro Energy Storage

Sustainable Development, EarlyView.
ABSTRACT The application of circular economy, which aims to maximize efficiency and reduce waste, to renewable energy sources necessitates, given the intermittent nature of the latter, robust energy storage solutions to ensure grid stability and avoid wasting energy.
Ó. Martín‐Llorente, E. Jiménez‐Macias, J. C. Sáenz‐Diez Muro, E. Martínez‐Cámara, J. Blanco‐Fernández   +4 more
wiley   +1 more source

Interannual dynamic resource selection patterns of the northern bobwhite in a region with poor edaphic conditions

Wildlife Biology, EarlyView.
Understanding an organism's shifting resource needs throughout its life cycle is crucial for developing effective conservation strategies. Northern bobwhite Colinus virginianus populations have been declining for nearly a century due largely to habitat loss/degradation.
Autumn S. Randall, Theron M. Terhune, Darin J. McNeil   +2 more
wiley   +1 more source