Search results for "Succe"
showing 10 items of 990 documents
Integrating Extensive Livestock and Soil Conservation Policies in Mediterranean Mountain Areas for Recovery of Abandoned Lands in the Central Spanish…
2016
Land abandonment is a global issue with important implications in Mediterranean mountain areas. Abandoned Mediterranean croplands start a process of secondary succession that is initially colonized by grasslands, shrubs and forest. In Mediterranean mountain areas, the process is very slow, so the shrubs remain for decades, preventing livestock from accessing pastureland. Therefore, farmers have to burn or clear the shrubs in order to provide pasture, a practice that has recently been encouraged by several regional governments in Spain. Data from experimental plots of the Aisa Valley Experimental Station in the Spanish Pyrenees allow to evaluate the effects of burning and clearing shrubs on …
An empirical test of neighbourhood effect and safe-site effect in abandoned Mediterranean vineyards
2011
The importance of both neighbourhood effect and safe-site effect for the colonization of Mediterranean old fields by woody plants was investigated. Using a transect approach, we recorded colonization of 21 species of woody plants on abandoned, terraced vineyards on Pantelleria Island (Sicily) in dependence from neighbouring terraces in older succession stages (Maquis) and available safe sites for seedling establishment (former crop plant, terrace wall). With a paired design of four treatments, including presence/absence of adjacent older successional stages, and North-/South-facing slopes, a neighbourhood effect could be shown for both expositions if the transect started from an adjacent fi…
Effects of nutraceuticals of Mediterranean diet on aging and longevity
2020
Abstract Among the many existing dietary interventions, Mediterranean diet has received much attention because of its beneficial influence on healthy aging and longevity. Mediterranean dietary pattern, characterized by low glycemic index and low-animal protein intake, is rich in nutraceuticals and functional foods, and bioactive compounds able to reduce the signaling of molecular pathways, such as nutrient-sensing ones, affecting aging process. Therefore a close adherence to a Mediterranean-style diet allows avoiding cardiovascular disorders and other age-related diseases, and it is responsible for the high rate of long-living individuals scattered throughout the Mediterranean basin. For th…
A chronosequence study of vegetation dynamics on vine and caper terraces of Pantelleria Island (Sicily)
2006
The vegetation of fallow fields of different age in the terraced agricultural landscape of Pantelleria Island (Sicily) was analysed via vegetation relevés. Five age classes in N-facing as well as in S-facing slopes of both vine and caper fallows were differentiated. The main questions were to determine the sequence of plant communities in time and to test some environmental factors for their influence on the course and the speed of succession. The results show that undisturbed abandoned terraces are subject to rapid renaturation: 50 to 80 years old fallows are now covered by dense maquis communities. Both N- and S-facing slopes seem to converge to a Quercus ilex woodland as the climax commu…
Relative reproductive success of co-infecting parasite genotypes under intensified within-host competition.
2015
In nature, host individuals are commonly simultaneously infected with more than one genotype of the same parasite species. These co-infecting parasites often interact, which can affect their fitness and shape host-parasite ecology and evolution. Many of such interactions take place through competition for limited host resources. Therefore, variation in ecological factors modifying the host resource level could be important in determining the intensity of competition and the outcome of co-infections. We tested this hypothesis by measuring the relative reproductive success of co-infecting genotypes of the trematode parasite Diplostomum pseudospathaceum in its snail host Lymnaea stagnalis whil…
Traditional endodontic surgery versus modern technique: a 5-year controlled clinical trial.
2014
In this study, we compared outcomes of traditional apicoectomy versus modern apicoectomy, by means of a controlled clinical trial with a 5-year follow-up. The study investigated 938 teeth in 843 patients. On the basis of the procedure performed, the teeth were grouped in 3 groups. Differences between the groups were the method of osteotomy (type of instruments used), type of preparation of retrograde cavity (different apicoectomy angles and instruments used for root-end preparation), and root-end filling material used (gray mineral trioxide aggregate or silver amalgam). Outcome (tooth healing) was estimated after 1 and 5 years, postoperatively. Clinical success rates after 1 year were 67% (…
Infanticide in the evolution of reproductive synchrony: effects on reproductive success.
2007
Synchronous breeding in animals and plants has stimulated both a theoretical and empirical examination of the possible benefits of active synchronization. The selective pressures of predation and infanticide are the strongest candidates proposed to explain the evolution of reproductive synchrony. Alternatively, breeding asynchronously with conspecifics may ensure a greater availability of resources per breeder. However, the possible fitness benefits resulting from active asynchronization have not yet received attention in evolutionary ecology. Here we present a hypothesis, based on a graphical model, illustrating the costs and benefits of the two modes of reproduction. We tested the hypothe…
Effect of LASER therapy Vs conventional techniques on clinical and radiographic outcomes of deciduous molar pulpotomy : a systematic review and meta-…
2020
Background To systematically review the effectiveness primary molar pulpotomy based on the clinical and radiographic outcomes using lasers over the conventional therapies. Material and methods This systematic review and meta-analysis included Randomized or Quasi-randomized trials comparing LASER with conventional pulpotomy therapies (formocresol, ferric sulphate, MTA or calcium hydroxide) with atleast 6-month follow-up period was included. Risk of bias of included studies was assessed and metanalysis was done using RevMan software. Results Of the 1383 articles that were searched, only 14 studies were included for qualitative synthesis and 10 for meta- analysis. There was no statistically si…
la noblesse dans la monarchie espagnole des Habsbourg aux Bourbons. Langages et pratiques de fidélités anciennes et nouvelles
2018
Lo scopo del saggio è di offrire una riflessione sulla nobiltà spagnola, siciliana e napoletana nel complesso quadro della crisi dinastica verificatasi nella monarchia spagnola alla morte di Carlo II. A partire dall'analisi delle dinamiche che hanno iniziato a modificare il ruolo delle Grandes alla corte di Madrid durante la reggenza di Mariana de Austria, l'attenzione si concentra principalmente sui decenni tra la fine del XVII e l'inizio del XVIII secolo. La ricerca evidenzia strategie personali e legali, nuove pratiche e linguaggi di negoziazione tra nobiltà e sovrano, al fine di comprendere le motivazioni che hanno costituito la base per l'adesione della nobiltà mediterranea al partito …
La Guerra de Successió i el bloqueig de Dénia del 1705
2007
Perez Aparicio, Carmen - Carmen.Perez@uv.es Dénia va ser la primera població de la Corona d’Aragó a proclamar rei l’arxiduc Carles. Ho va fer sense que s’haguera produït cap desembarcament de tropes aliades, amb l’impuls dels mateixos valencians. Aquest treball estudia l’operació que va posar en marxa el govern borbònic per tal de recuperar-la; una empresa que es considerava fàcil, però que va esdevindre impossible per la mancança de tropes i d’artilleria per a posar un setge formal. Tot va quedar reduït a només un bloqueig i a aplicar represàlies dures contra les poblacions dels voltants, una situació a què va posar final la defecció de les mateixes tropes, que van abraçar la causa austria…