Results 121 to 130 of about 13,467 (239)
“Quercirhiza tomentelloepidermoidea” + Quercus suber L.
Mycorrhiza dark brown with monopodial-pyramidal ramitication. The most remarkable feature is the pseudoparenchymatous outer mantle layer transient to plectenchymatous with irregularly shaped hyphae, some of them almost epidermoid, and the mounds of roundish cells on the surface.
Martín, María P. +3 more
openaire +1 more source
Functional traits can explain significant tree growth reductions in response to the 2018–2020 drought for a wide set of 71 species including angiosperms and gymnosperms. Moreover, four distinct response types emerged: ‘Sufferer’, ‘Late sufferer’, ‘Recoverer’ and ‘Resister’, with gymnosperms predominately appearing as ‘Sufferer’ and ‘Late sufferer ...
L. Kretz +8 more
wiley +1 more source
Tuber brumale Vitt. + Quercus suber L.
Golden to dark brown c1avate to cylindl'ical mycorrhizae, often arranged in grapelike c1usters. The pseudoparenchyrnatous epidermoid pmper manlle is covered with a plectenchymatous net of hyphae from which smooth-walled, dense, short, non-ramifying qstidia elnerge. Middle mantle ceHs are polygonal with rounded rather than angular l~orners.
Martín, María P. +3 more
openaire +1 more source
Tissue Culture and Rapid Micropropagation for Quercus suber L.
Quercus suber L. (Q. suber) is an evergreen tree species known for producing high-quality cork. Traditional seed propagation of Q. suber has low viability and is time-consuming. Therefore, we used young stem segments of 2~3-year-old seedlings as explants, and optimized protocols for tissue culture and rapid micropropagation of Q. suber.
Xinran Yu +6 more
openaire +1 more source
Positive mixture effects in pine–oak forests during drought are context‐dependent
Mixture effects in drought‐stressed pine‐oak forests are context‐dependent, with Gambel oak and ponderosa pine benefiting from their complementarity under semi‐arid conditions. Abstract The increasing severity and frequency of droughts will play a pivotal role in shaping future forest ecosystems worldwide.
G. Schmied +8 more
wiley +1 more source
No legacy effects of severe drought on carbon and water fluxes in a Mediterranean oak forest
A Mediterranean Quercus ilex forest was severely affected by a drought in 2017 but fully recovered in the following year, supported by favourable weather and growing conditions both before and after the event. Abstract Severe droughts affect vegetation through several processes, such as hydraulic failure, early leaf senescence, depletion of carbon ...
S. Heinrich +8 more
wiley +1 more source
Longer lasting heat treatment durations induced photosynthetic impairment at lower temperatures and caused the development of proportionally more necrotic tissue at lower temperatures in leaves of three Mediterranean oak species. Abstract Short heat treatments are commonly used to estimate the leaf‐level thermal tolerance of tree species. The effect of
N. Kunert, E. Düsterhöft, B. Stumpf
wiley +1 more source
Applicazione del laser scanner terrestre per la valutazione della condizione delle chiome in Quercus suber L. [PDF]
The objective of this paper is to show the first results on the evaluation of the possible use of this technique for the estimation of crown condition in cork oak stands (Quercus suber L.).
Arca, Angelo +6 more
core
Ecology and structure of Drosophyllum lusitanicum (l.) Links populations in the south-west of the Iberian Peninsula [PDF]
Ecología y estructura de poblaciones de Drosophyllum lusitanicum (L.) Link en el suroeste de la Península Ibérica. Drosophyllum lusitanicum es una planta autógama y nautocórica cuyo tamaño y estructura de población han sido estudiados en dos áreas del ...
Deil, Ulrich, Müller, J.
core +2 more sources
A hysteretic model predicts a time lag in the response of herbaceous layer variables (e.g., cover, diversity) to decreasing N deposition. To the contrary, virtually all such variables displayed a surprising sensitivity to decreased N. ABSTRACT Increases in nitrogen (N) emissions during the 20th century resulted in the atmospheric deposition of N ...
Frank S. Gilliam +2 more
wiley +1 more source

