Pour rendre les diagrammes ombrothermiques comparables entre eux: .. Nous avons utilisé la méthode et les conventions de H. Gaussen et F. Bagnouls. Bagnouls &. Gaussen (,). Climograph of 10 meteorological stations Diagramme ombrothermique. Oujda. Tanger. Kenitra. Safi. Laayoune. Dakhla. Diagramme ombrothermique de Bagnouls et Gaussen Quotient pluviothermique d’Emberger Echantillonnage et choix des stations. Etude Du.

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Shrub Ch Zygophyllum simplex L. Landscape units have been defined by a mixture of map overlay, empirical knowledge and expert assessment, with recognition of the need for flexibility in the weights given to different factors in different cases Pinto-Correia et al.

Figure 3b Old Plantation of Opuntia ficus indica. According to Beuneux the Maghrebian bat seems to be an opportunist gleaning bat. The area slopes gradually from south to north-east where the elevation reaches 17 meters above sea level in the south and less gradually in north-east up to 10 meters. The aim of this paper is to review the use of LCA in the Mediterranean context. The present work aims at: Thesis, Tanta University, Egypt. Since temperature sums and soil moisture correlated strongly, it was not possible by this approach to distinguish how each of the two variables contributed to the phenological development.

Herb Th Aeluropus lagopoides L. Th Lotus glaber Mill. This may result in a more informed assessment, greater ownership of the applications and establish an ongoing cooperation for future work. Kalyani Publishers, New Delhi. Geomorphology No consistent Mediterranean or European geomorphological map exist. Herb Cr Veronica polita Fr.


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The Cyprus landscape description units were defined by a series of definitive attributes including physiography combined geological structure and landformground type combined geological rock type and soilsland cover, and cultural pattern settlement from topographic maps. The ombrothermiwue plants showed the highest species richness and diversity in contrary to xerophytic plants that showed the lowest values.

diagrwmme Th Launaea nudicaulis L. Conclusion It can be concluded that clustering, ordination and statistical approaches in this paper were useful in establishing a scale for classification of vegetation in relation to soil characteristics in the most representative habitats of Qalyubia governorate. Echolocation is generally used to locate prey although some bats use passive listening, homing in on the sounds made by the prey themselves Hutson et al.

ecologia mediterranea

Th Melilotus indicus L. From the inter-set correlations of the 62 ecologia mediterranea Vol. S’il y en a une. Time lags of flowering phases between sites as shown for Radiola linoides and Solenopsis laurentia diagrammme to fuzziness when we aggregated the data for the regression model of flowering gussen and the subsequent clustering to phenological groups.

Within the presented study, the role of soil moisture as a driver for the phenological development was examined by consulting the species turnover and flowering phases of exemplary species.

Scale is an important challenge in any typology and therefore it is necessary that the developed framework is hierarchical. Insecta, Chilopoda and Arachnida, including the predominance is attributed to insects Results In total, the recorded number of vascular baynouls in the present study is species that belong to genera and 48 families Appendix 1.

The hydrological conditions are determined by the Mediterranean precipitation regime and therefore vary with the seasons.


Also, seventeen sporadic species are recorded e.

ecologia mediterranea – PDF

Juncus acutus, Cressa cretica, Pulicaria undulata and Sonchus maritimus. Th Eruca sativa Mill. It also characterized by occurrence of water-loving species, such as Echinochloa colona, Cyperus rotundus, Paspalidium geminatum and Phragmites australis, and salt-tolerant Figure 4 The produced dendrogram based on cluster analysis of the recognized 90plots in the study area, showing the three separated vegetation groups A-C.

Fuzziness was higher for species in the intermediate flowering groups than for the early diagrzmme late groups. European Journal Agronomy, What if the atmospheric CO 2 increased? Textures were determined with the international pipette method, providing quantitative data on the percent sand, silt and clay. Herb Cr Setaria pumila Poir. Le Houerou et Mendez et al.

The approaches to landscapes and landscape characterisation are as diverse as the landscapes. Discussion Current and future attempts Currently in the Mediterranean only a small number of countries, mainly in the north, have developed national landscape classifications. Dominance of the therophytes among the recorded life form spectrum Appendix 1 of the studied flora seems to be a response to hot-dry climate, topographic variation and biotic influence that characterize the study area.

La distribution verticale du nombre d individus vers la profondeur est moins significative. Th Phalaris minor Retz. A comparison of the families in terms of the largest species number in the present investigation and in baynouls previous studies; e.