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Artykuły w czasopismach na temat "Tlemcen forest"

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Bardadi, Abdelkader, Zahira Souidi, Marianne Cohen, and Mohamed Amara. "Land Use/Land Cover Changes in the Tlemcen Region (Algeria) and Classification of Fragile Areas." Sustainability 13, no. 14 (2021): 7761. http://dx.doi.org/10.3390/su13147761.

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The Tlemcen region is characterized by very diverse and steep areas exposed to gravity hazards, especially in high and medium mountain areas. Tlemcen National Park was chosen for this study, the main objective of which is to map fragile areas in close relation to reduced vegetation cover due to land-use changes and forest fires. Multi-source data were used to monitor land use/land cover (LULC)patterns in the study area between 1987 and 2017. The methodology is based on an object-oriented classification of the Landsat images, using the K nearest neighbor method for mapping the major LULC classe
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Letreuch-Belarouci, Assia, Boumediene Medjahdi, Noureddine Letreuch-Belarouci, and Kheloufi Benabdeli. "Diversité floristique des suberaies du Parc National de Tlemcen (Algerie)." Acta Botanica Malacitana 34 (December 1, 2009): 77–89. http://dx.doi.org/10.24310/abm.v34i0.6913.

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RESUME. Diversité floristique des suberaies du Parc National de Tlemcen (Algérie). L’analyse de la diversité floristique des forêts de Hafir Zariffet a révélé l’existence de 211 taxons appartenant à 65 familles et 164 genres. Le nombre de taxons endémiques et/ou rares inventoriés comporte: 1 endémique algérien,7 algéro-marocains, 11 ibéro-algéro-marocains, 7 sont endémiques d’Afrique du Nord et 11 sont des endémiques d’Afrique du Nord et de la Péninsule ibérique. Le nombre des taxons rares s’élève à 26 dont 9 sont en même temps rares est menacés. Des efforts urgents de protection doivent êtres
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Medjahdi, Boumediene, Assia Ltreuch-Belarouci, and Rémy Prelli. "Actualisation du catalogue des pteridophytes du Nord Ouest Algerien (region de Tlemcen). An update of the cheklist of pteridophytes from Nordwest Algeria (Tlemcen region)." Acta Botanica Malacitana 38 (December 1, 2013): 33–39. http://dx.doi.org/10.24310/abm.v38i0.2638.

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Français. Un inventaire des ptéridophytes a été entrepris dans les forêts de la région de Tlemcen. L’inventaire de ces populations constitue une étape importante pour le développement des stratégies de conservation des ressources génétiques et de la diversité de ces populations sur l’ensemble de leur aire de distribution naturelle. Nous avons ainsi effectué le recensement et l’identification des fougères existantes dans la région de Tlemcen. Au total, plusieurs stations dont les caractéristiques écologiques diffèrent d’un site à un autre ont été prospectées, cela a permis l’identification de 2
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MAAZOUZ, Sarah, Yassmina BENDAkHA, Mohamed AIT HAMMOU, and Abdrrezzak BENFRIHA. "First Taxonomic study of the Lichens in the Tlemcen National Park (Case of Hafir Forest)." Genetics & Biodiversity Journal 6, no. 2 (2022): 201–11. http://dx.doi.org/10.46325/gabj.v6i2.279.

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The objective of this work is the inventory of lichens in the Hafir forest, it is part of a more general project aimed at studying the lichen flora of the Tlemcen region. The Hafir forest is one of the last Algerian mountainous cork oak forests belonging to the Bético Rifain complex. Our study area enjoys a Mediterranean climate, subhumid with cool winters. Based mainly on random sampling, giving particular importance to the different types of substrate, we were able to sample 73 species of lichens belonging to 16 families and 38 genera. Among these, the Parmeliaceae family is the most dominan
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Derbal, Nour El Houda, Linda Abi-Ayad, and Bahae-Ddine Ghezlaoui Bendi-Djelloul. "Biodiversity of the oak groves of the Tlemcen Mountains, Algeria. Phytoecological aspects." European Journal of Biological Research 11, no. 4 (2021): 434–45. https://doi.org/10.5281/zenodo.5527194.

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The objective of this study is to know the influence of environmental conditions on the distribution of oak species in the Tlemcen Mountains. We made a bioclimatic and floristic study on four stations located on the mountain ranges of the Tlemcen Mountains. This study was carried out, taking into account the ecological aspect oriented towards the presence of oak species within the four study stations. The main ecological gradients governing the ecological trends of oak forests in this area have been characterized. The ecological dynamics of oak taxa within the local floristic procession for ea
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Chahbar, Mohamed, Mounir Kherroubi, Fatiha Boutchiche, Souhila Boutrigue, and Semir Bechir Suheil Gaouar. "Morphometric characterization of the pine processionary, Thaumetopoea pityocampa in the Tlemcen area, Algeria." GABJ 5, no. 3 (2021): 164–70. http://dx.doi.org/10.46325/gabj.v5i3.156.

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 The pine processionary (Thaumetopoea pityocampa) is the most important defoliator of coniferous forest of the Mediterranean basin. The pine processionary also caused real public health problems. The urticat property is the origin of its health problems. It is still the subject of several studies to this day in order to develop friendly control strategies that respect the environment. The study carried out about the characterization of the pine processionary populations in two stations of pine forests located at the area of the Tlemcen. The caterpillars were collected in January 2016 in
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Bouzid, A., K. Bouzid, and K. Benabdeli. "Contribution the Failure Mode Analysis and Criticality Evaluation Method to the Rehabilitation of Cork Oak (Quercus suber) Forests in Forest Massif of Tlemcen (Algeria)." Jurnal Manajemen Hutan Tropika (Journal of Tropical Forest Management) 28, no. 2 (2022): 191–200. http://dx.doi.org/10.7226/jtfm.28.2.191.

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The controling of forest sustainability and preforest ecosystems in achieving stability of forest ecosystem require the identification of biophysical indicators, anthropological, and technological. The significant degradation of Quercus suber formations in forest massif of Tlemcen (Algeria) are imposed by both climatic factors, the fires, the overgrazing land, anthropogenic aggression as well as by ineffective management. The making of a reference matrix would make possibility the identification of probable hazards and risks. This study aimed to identify the understanding how the mode of opera
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Fadila, Larabi, Berrichi Mohamed, and Paletto Alessandro. "Social Demand for Ecosystem Services Provided by Peri-Urban Forests: the Case Study of the Tlemcen Forest (Algeria)." Journal of Environmental Accounting and Management 9, no. 1 (2021): 19–29. http://dx.doi.org/10.5890/jeam.2021.03.003.

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Bouazza, Naima, Kaouider Cherifi, Brahim Babali, and Mohammed Bouazza. "Bibliographical note on the syntaxonomy of the vegetation of Tlemcen, Hafir, Moutas and its reserve (North-western Algeria)." Bangladesh Journal of Plant Taxonomy 27, no. 2 (2020): 345–58. http://dx.doi.org/10.3329/bjpt.v27i2.50673.

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This study provides bibliographical note on the syntaxonomy of the vegetation of Tlemcen, Hafir, Moutas of North-western Algeria, including the associations and alliances of the different higher units found in the Hafir forest and the Moutas Reserve. In this work, we observed modifications of forest and pre-forest structures according to bioclimatic variations. However, in this region, the xericity of the climate is not the only factor destroying the plant cover, anthropization is also a degradation factor. While being aware of the negative consequences, man, through their abusive cultivation,
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Kada, BENCHERIF, and Mohamed BELLIFA. "The expected impact of climate change on forest species composition in the national park of Tlemcen-Algeria." Agriculture and Forestry Journal 1, no. 2 (2017): 79–88. https://doi.org/10.5281/zenodo.1134275.

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At the planetary level, climatic forecasts announce for the next 50 years, an increase of the dry period and a decrease in rainfall. The Mediterranean forest landscape, already altercated through human activity, will undergo once again, the effects of this climatic warming tendency. Facing this double pressure, forest structures of oak coppices and shrub-lands in the national park of Tlemcen (North-west of Algeria) seem enough weak so to ensure sustainable landscape protection. The risks resulting from anthropogenic action, as well as the favorable dynamics for zen oak and oxycedar juniper com
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Rozprawy doktorskie na temat "Tlemcen forest"

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Chouieb, Mohamed. "Etude phytoécologique, dendroécologique et dendrométrique des principales essences forestières dans les monts de Tlemcen : (Algérie nord occidentale)." Université Joseph Fourier (Grenoble), 1994. http://www.theses.fr/1994GRE10224.

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Une etude phytoecologique et cartographique des chenaies vertes tetraclinaies et pineraies a ete abordee a grande echelle dans trois sites tests afin d'inventorier les principales series de vegetation et de degager les grandes tendances de leur evolution. La repartition spatiale entre chenaies (chene vert, chene liege et chene zeen), resulte d'un ensemble de facteurs: bioclimatiques, edaphiques et biotiques favorables. L'approche dendroecologique a pour objectif de contribuer a une meilleure comprehension des relations cernes-climat. La fonction de reponse de chaque population precise le role
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