scholarly journals Taxonomy, Ecology and Distribution of Juniperus oxycedrus L. Group in the Mediterranean Basin Using Bioclimatic, Phytochemical and Morphometric Approaches, with Special Reference to the Iberian Peninsula

Forests ◽  
2021 ◽  
Vol 12 (6) ◽  
pp. 703
Author(s):  
Ana Cano Ortiz ◽  
Giovanni Spampinato ◽  
José Carlos Piñar Fuentes ◽  
Carlos José Pinto Gomes ◽  
Ricardo Quinto-Canas ◽  
...  
Keyword(s):  
Essential Oils ◽  
Special Reference ◽  
Iberian Peninsula ◽  
Mediterranean Basin ◽  
Point Of View ◽  
Critical Group ◽  
Juniperus Oxycedrus ◽  
The Past ◽  
As Species ◽  
The Mediterranean Basin

Several studies have been conducted in the past to clarify various aspects of species in the genus Juniperus L. One critical group is Juniperus oxycedrus L., especially from the taxonomical point of view. For this reason, we have studied the ecology, taxonomy and distribution of the taxa in the J. oxycedrus group. From an ecological and distribution standpoint, in this work we use the ombroedaphoxeric index (Ioex) to explain the presence of Juniperus populations in ombrotypes that are not optimum for these taxa. The controversy over the taxonomy of J. oxycedrus subsp. badia (H. Gay) Debeaux and J. oxycedrus subsp. lagunae (Pau ex C. Vicioso) Rivas Mart. is clarified, and it is accepted as a valid name, J. oxycedrus subsp. badia. The phytochemical differences in essential oils (EO) are addressed and their similarities analyzed; greater similarities are observed between oxycedrus and badia, and between navicularis Gand. and macrocarpa (Sm.) Ball. species. The phytochemical, molecular and distribution differences allow J. oxycedrus subsp. macrocarpa (Sm.) Ball and J. navicularis Gand. to be maintained as species. The results obtained make it possible to establish the rank to which the taxa belong and allow clear discrimination between species in groups that are difficult to interpret. Ecological, bioclimatic, phytochemical and morphometric similarities allow us to subordinate the subsp. macrocarpa to the species J. navicularis.

scholarly journals Late Miocene remains from Venta del Moro (Iberian Peninsula) provide further insights on the dispersal of crocodiles across the late Miocene Tethys

2020 ◽  
Vol 95 (1) ◽  
pp. 184-192
Author(s):  
Massimo Delfino ◽  
Àngel H. Luján ◽  
Juan Abella ◽  
David M. Alba ◽  
Madelaine Böhme ◽  
...  
Keyword(s):  
Iberian Peninsula ◽  
Late Miocene ◽  
Mediterranean Basin ◽  
The Past ◽  
Morphological Basis ◽  
Mediterranean Europe ◽  
Small Collection ◽  
The Mediterranean ◽  
First Time ◽  
The Mediterranean Basin

AbstractThe dispersal of Crocodylus from Africa to Europe during the Miocene is not well understood. A small collection of cranial fragments and postcranial elements from the latest Miocene (6.2 Ma) site of Venta del Moro (Valencia, Spain) have previously been referred to Crocodylus cf. C. checchiai Maccagno, 1947 without accompanying descriptions. Here we describe and figure for the first time the crocodylian remains from Venta del Moro, which represent at least two individuals. Our comparisons indicate that this material clearly does not belong to Diplocynodon or Tomistoma—the only two other crocodylians described so far for the European late Miocene. The material is only tentatively referred to cf. Crocodylus sp. because the apomorphies of this genus are not preserved and a referral to C. checchiai cannot be supported on a morphological basis. However, it is likely that this late Miocene species, originally described from Libya (As Sahabi) and later identified also in Kenya, could have dispersed across the Mediterranean Basin multiple times and colonized the southern areas of Mediterranean Europe, as evidenced by several Crocodylus or Crocodylus-like remains described during the past years.

In search of photosensitising compounds in the annual forage legume Biserrula pelecinus L.

2015 ◽  
Vol 66 (11) ◽  
pp. 1161 ◽  
Author(s):  
E. Swinny ◽  
C. K. Revell ◽  
N. Campbell ◽  
E. Spadek ◽  
C. Russo
Keyword(s):  
Mass Spectrometry ◽  
Liquid Chromatography ◽  
Mediterranean Basin ◽  
High Performance ◽  
Pyrrolizidine Alkaloids ◽  
Forage Legume ◽  
The Past ◽  
Methanolic Extracts ◽  
The Mediterranean Basin ◽  
Pasture Legume

Biserrula is an annual pasture legume endemic to the Mediterranean basin and has been recently domesticated for use in Mediterranean environments in southern Australia. Over the past 10 years the species has been associated with isolated cases of what appears to be a primary photosensitisation in sheep that graze green pastures in winter and spring. Whole-top samples of biserrula pasture were taken from a range of farmers’ paddocks over 2 years (including paddocks where photosensitisation had been observed) and methanolic extracts were screened by high-performance liquid chromatography and liquid chromatography coupled to mass spectrometry for known primary photosensitising compounds belonging to the classes furanocoumarins and dianthrones. None of these were detected. Pyrrolizidine alkaloids were also not detected and this supports the view that a secondary photosensitisation is not involved. Chlorophyll profiles were relatively unchanged between samples and this suggested that chlorophyll metabolites are unlikely to be responsible for a primary photosensitisation. A series of luteolin and apigenin mono- and diglycosides were identified in the extracts, but these are not regarded as photosensitising compounds. Further work is required to establish the photosensitising agent(s) in biserrula.

Juniper Timber: Potentiality of a Vernacular Raw Material

2011 ◽  
Vol 250-253 ◽  
pp. 1143-1146 ◽  
Author(s):  
José Ramón Ruiz Checa ◽  
Valentina Cristini
Keyword(s):  
Iberian Peninsula ◽  
Mediterranean Basin ◽  
Vernacular Architecture ◽  
Raw Material ◽  
Traditional Use ◽  
The Family ◽  
The Mediterranean ◽  
The Mediterranean Basin

This research presents some features about juniper timber, above all related with aspects of its structural use (for supports, pillars, beams, roofs...) in some vernacular architecture. Therefore, a special attention is driven to botanical, technical, mechanical features, typical for this type of rare wood. Its traditional use in the Iberian Peninsula and throughout the Mediterranean Basin is still visible in some cases of study, presented in the research. Good constructive qualities make juniper timber a great candidate for further test-researches and experiments, focalized on the family of traditional and”ever green “constructive materials.

scholarly journals Lightning-ignited wildfires and long-continuing-current lightning in the Mediterranean Basin: Preferential meteorological conditions

2021 ◽  
Author(s):  
Francisco J. Pérez-Invernón ◽  
Heidi Huntrieser ◽  
Sergio Soler ◽  
Francisco J. Gordillo-Vázquez ◽  
Nicolau Pineda ◽  
...  
Keyword(s):  
Iberian Peninsula ◽  
Forest Fires ◽  
Mediterranean Basin ◽  
Meteorological Conditions ◽  
Precipitation Rate ◽  
Data Set ◽  
Fire Emissions ◽  
Forecasting Models ◽  
The Mediterranean ◽  
The Mediterranean Basin

Abstract. Lightning is the major cause of natural ignition of wildfires worldwide and produces the largest wildfires in some regions. Lightning strokes produce about 5 % of forest fires in the Mediterranean basin and are one of the most important precursors of the largest forest fires during the summer. Lightning-ignited wildfires produce significant emissions of aerosols, black carbon and trace gases, such as CO, SO2, CH4 and O3, affecting air quality. Characterization of the meteorological and cloud conditions of lightning-ignited wildfires in the Mediterranean basin can serve to improve fire forecasting models and to upgrade the implementation of fire emissions in atmospheric models. This study investigates the meteorological and cloud conditions of Lightning-Ignited Wildfires (LIW) and Long-Continuing-Current (LCC) lightning flashes in the Iberian Peninsula and Greece. LCC lightning and lightning in dry thunderstorms with low precipitation rate have been proposed to be the main precursors of the largest wildfires. We use lightning data provided by the World Wide Lightning Location Network (WWLLN), the Earth Network Total Lightning Network (ENTLN) and the Lightning Imaging Sensor (LIS) onboard the International Space Station (ISS) together with four databases of wildfires produced in Spain, Portugal, Southern France and Greece, respectively, in order to produce a climatology of LIW and LCC lightning over the Mediterranean basin. In addition, we use meteorological data provided by the European Centre for Medium-Range Weather Forecasts (ECMWF) ERA5-reanalysis data set and by the Spanish State Meteorological Agency (AEMET) together with the Cloud Top Height (CTH) product derived from Meteosat Second Generation (MSG) satellites measurements to investigate the meteorological conditions of LIW and LCC lightning. According to our results, LIW and a significant amount of LCC lightning flashes tend to occur in dry thunderstorms with weak updrafts. Our results suggest that lightning-ignited wildfires tend to occur in high-based clouds with a vertical content of moisture lower than the climatological value, as well as with a higher temperature and a lower precipitation rate. Meteorological conditions of LIW from the Iberian Peninsula and Greece are in agreement, although some differences possibly caused by highly variable topography in Greece and a more humid environment are observed. These results show the possibility of using the typical meteorological and cloud conditions of LCC lightning flashes as proxy to parameterize the ignition of wildfires in atmospheric or forecasting models.

Typification of the Linnaean name Empetrum album (Ericaceae)

Phytotaxa ◽  
2016 ◽  
Vol 273 (3) ◽  
pp. 215
Author(s):  
PEDRO PABLO FERRER-GALLEGO ◽  
INMACULADA FERRANDO ◽  
EMILIO LAGUNA
Keyword(s):  
New Jersey ◽  
North America ◽  
Iberian Peninsula ◽  
West Coast ◽  
Mediterranean Basin ◽  
Species Level ◽  
Eastern Coast ◽  
The West ◽  
Ant Dispersal ◽  
The Mediterranean Basin

The genus Corema D. Don (1826: 63) (Ericaceae Jussieu 1789: 159) comprises two species. Corema album (Linnaeus 1753: 1022) D. Don (1830: 460) (incl. C. febrifugum Boissier ex Willkomm & Lange 1877: 512) occurs on the west coast of the Iberian Peninsula (subsp. album) from Gibraltar to Finisterre (Willkomm & Lange 1877, Webb 1972, Cabezudo 1987, Villar 1993, Boratyński & Vera de la Puente 1994, López González 2001, Ruiz de la Torre 2006, Gil-López 2011), the Azores (subsp. azoricum Pinto da Silva 1966: 86), and the Mediterranean Basin (Spain, Alicante province, one population) (Solanas 1996, Solanas & Crespo 2001, Serra 2007, Aguilella et al. 2009). Corema conradii (Torrey 1837: 83) Torrey (1842: 1092) occurs on the eastern coast of North America from Newfoundland to New Jersey (Redfield 1884, McEwen 1894, Elisens 2009), and can be distinguished from C. album by its very small fruits which are devoid of fleshiness and covered with elaiosomes (oily appendages associated with ant dispersal) (Redfield 1884, McEwen 1894, Martine et al. 2005). Corema album subsp. azoricum exists on six of the nine islands of the Azores, and below 200 m (Franco 1984) this taxon has been recognized by some authors at the species level as C. azoricum [“azorica”] (Pinto da Silva 1966) Rivas Martínez, Lousã, Fernández Prieto, E. Días, J.C. Costa & C. Aguiar (in Rivas-Martínez, Fernández-González, Loidi, Lousã & Penas 2002: 700).

scholarly journals Documentación 3D de abrigos rupestres a partir de láser escáner y de procesos fotogramétricos automatizados

2015 ◽  
Vol 4 (8) ◽  
pp. 64 ◽  
Author(s):  
Miriam Cabrelles López ◽  
José Luis Lerma García
Keyword(s):  
Cultural Heritage ◽  
Iberian Peninsula ◽  
Mediterranean Basin ◽  
Rock Art ◽  
3D Models ◽  
World Heritage Site ◽  
Visualization Analysis ◽  
Heritage Site ◽  
Photorealistic Models ◽  
The Mediterranean Basin

<p>Metric and graphic documentation of archaeological cultural heritage requires effective solutions for archiving, visualization, analysis, management, and monitoring of different monuments and sites. This paper presents the geomatic workflow undertaken on a singular rock art site, Coves de la Saltadora. The cave is part of the Rock Art of the Mediterranean Basin on the Iberian Peninsula declared World Heritage Site by UNESCO in1998. The different steps are reviewed, starting from the data acquisition until the final delivery of part of the metric outputs such as 3D models, photorealistic models, orthophoto mosaics in two levels, general and detail.</p>

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