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Taxonomic Diversity and Structure of Gastropods in Stations at Salvia officinalis L. (Lamiaceae) in the Gardens of Tlemcen Park (Tlemcen Mounts, Algeria)

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American Journal of Plant Sciences 2022年第8期13卷 1145-1157页

作者： amina damerdji Laboratory of Research: “Valorization of Human Actions for Environmental Protection and Application in Public Health” Department of Ecology and Environment Faculty S.N.V/S.T.U. University of Tlemcen Tlemcen Algeria

The Tlemcen region is located in north-western Algeria and is characterized by a semi-arid bioclimate. An approach to the diversity of the malacofauna associated with Salvia officinalis was carried out in three stations belonging to this area from February to June 2015. The specific richness of the Gastropods is 9 divided into three families: Milacidae, Helicidae and Subulinidae. The second includes two subfamilies including that of Helicinae and that of Helicellinae. Two species are constant, 01 is incidental and the 06 others are very accidental. The relative importance of snails fluctuates according to the stations and according to the months and the seasons. In winter, in the first station the malacological richness is equal to 6. In February, the specific richness is relatively important in the 2nd station with a value equal to 7. Milax nigricans (Milacidae) has a frequency of 10% in station 1 and has a density of 0.1 in this same station. It is absent in the other two stations. Euparypha pisana has a frequency of 60% in station 3 and an abundance of 0.57 in this same station.

关键词： Salvia officinalis Malacofauna Diversity Bioecology Seasons Months Vertical Distribution Garden’s Park of Tlemcen

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Malacological Diversity on Some Lamiaceae in the Region of Tlemcen （Northwest Algeria）

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Journal of Life Sciences 2013年第8期7卷 856-861页

作者： amina damerdji Department of Ecology and Environment Faculty of S.N. V/S. T. U University of Tlemeen Tlemcen 13000 Algeria

The region of Tlemcen is located in the northwestern part of Algeria. Its arid climate leads to the degradation of vegetation in open formation, where can be found the doum, the diss and broom. Other aromatic species such as rosemary, thyme, lavender and horehound are considered as well. The four previous aromatic species belong to the family Labiatae for their morphological and botanical characters. The authors propose to design an approach to identify the diversity of malacofauna found on these different Lamiaceae. These are certainly a nutritional source for this malacological fauna. So, a survey was performed in various stations. The malacological richness is estimated to be 19 for thyme, 18 for rosemary, 16 for lavender, and finally 7 for horehound. It includes four families, namely Milacidae, Sphincterochilidae, Helicidae and Subulinidae. Milacidae are present only in horehound and lavender stations. On the other hand, the Sphincterochilidae, namely Sphincterochila candidissima, is absent on horehound. Rumina decollata is the only species in the family Subulinidae. As for the family Helicidae, it is the richest and includes two specific subfamilies： Helicinae and Helicellinae. The first subfamily consists of 11 species of thyme, 10 species of rosemary and lavender. The second subfamily includes 6 species of thyme and rosemary and 3 of lavender, respectively. In addition, the author tries to look for the malacological species specific to each of these plants and those who are common to them as well. Finally, the vertical distribution of gastropods is given.

关键词： Malacological fauna Lamiaceae specific richness vertical distribution region of Tlemcen (northwest Algeria).

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Contribution of Study Bioecology of the Fauna Chamaerops humilis in the Region of Tlemcen （Algeria）

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Journal of Life Sciences 2012年第10期6卷 1158-1166页

作者： damerdji amina Department of Ecology and Environment Faculty of S.N. V/S. T. U University of Tlemcen Tlemcen 13000 Algeria

The region of Tlemcen is situated in the north-west of Algeria. The aridity of the climate had lead to the development of the matorral, a state of degradation of the Mediterranean, and the composed xerophytes plants such as doum and diss, had been found. Chamaerops humilis, xerophyte plant, with special morphologic and botanic character presents a resistance of these climatic. The authors have proposed study of fauna closly linked to this plant. A faunistic inventory was realized in the Mansourah area （region of Tlemcen）. Four stations have been described. Collecting sample was performed during June 2003-Mar. 2004, replying on sixteen （16） prelevements. The number of species were estimated of about 136, in which 111 are Arthropoda, the Entomofauna represented by 97 species and the other inventory are Arachnida by 8 species and Myriapoda by 6 species. 18 species are related to Gastropoda. The vertebrates are few. The importance of different groups＇ recolted on the Chamaerops humilis in the four stations is done particular to the insects. Analysis factorial correspondence （A.F.C） show different grouping of animal species.

关键词： Chamaerops humilis fauna inventory bioecology region of Tlemcen (Algeria).

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