scholarly journals The Evolution of The Forest Cover with The Effect of Anthropic Pressure (The Case Study of Sehoul Cork-Oak Forest in Morocco, North Atlantic)

2020 ◽  
pp. 62-73
Author(s):  
Assmaa ALAOUI ◽  
Said LAARIBYA ◽  
Sezgin AYAN
Keyword(s):  
North Atlantic ◽  
Forest Cover ◽  
Cork Oak ◽  
Oak Forest ◽  
Cork Oak Forest ◽  
Anthropic Pressure

Evolution of Mediterranean Forest Ecosystems and Impact of Natural and Anthropogenic Disturbances: Case of the Cork Oak Forest- Tlemcen- Algeria

2020 ◽  
Author(s):  
Bright Danso Appiagyei ◽  
Belhoucine-Guezouli Latifa ◽  
Morsli Boutkhil ◽  
Enoch Bessah
Keyword(s):  
Land Cover ◽  
Forest Cover ◽  
Anthropogenic Activities ◽  
Cork Oak ◽  
Oak Forest ◽  
Forest Cover Change ◽  
Sparse Vegetation ◽  
Dense Forest ◽  
Open Forest ◽  
Cork Oak Forest

Abstract Background: Forest cover change continues to be one of the most important topics in global environment discussions and negotiations. In North Africa, there is a broad consensus on forest decline but available information on the extent and rate of degradation has been far lower than needed. The present study uses the example of the cork oak forest of Tlemcen (Hafir-Zariffet forest), North West Algeria, to provide spatially explicit and up-to-date information on forest cover changes. The goal was to fill a knowledge gap in a poorly studied area by determining the extent of changes in forest cover. Methods: Land use land cover maps of 1989, 1999, 2009 and 2019 were classified using Random Forest Algorithm in R software and change assessed via intensity analysis. Results: The results revealed that sparse vegetation was the dominant land cover at the end of the study period, although it decreased from 71.25% in 1989 to 65.24% in 2019. The lowest coverage was water body from 0.47% in 1989 to 0.18% in 2019. Sparse vegetation and dense forest experienced a major decline of 6.01% and 3.22% respectively. On the other hand, open forest (+6.96%), bare areas (+0.37%), settlements (+1.99%) and agricultural (+0.21%) increased. In the LULC transitions analysis, dense forest recorded loss for two consecutive periods (1989-1999 and 1999-2009). The path of conversion was mainly from dense forest to open forest, an evidence of anthropogenic activities. Conclusion: The findings show that the cork oak forest of Hafir-Zariffet suffered multiple pressures, which cause degradation of this natural heritage. These pressures continue to increase the fragility of forest ecosystem and can affect the rehabilitation or even its resilience. In order to conserve the dwindling cork oak forest, a sustainable and effective management which ensures ecological, economic and social balance should be adopted.

scholarly journals Diversité floristique des suberaies du Parc National de Tlemcen (Algerie)

2009 ◽  
Vol 34 ◽  
pp. 77-89 ◽  
Author(s):  
Assia Letreuch-Belarouci ◽  
Boumediene Medjahdi ◽  
Noureddine Letreuch-Belarouci ◽  
Kheloufi Benabdeli
Keyword(s):  
Iberian Peninsula ◽  
North Africa ◽  
Endemic Species ◽  
Forest Inventory ◽  
National Park ◽  
Cork Oak ◽  
Oak Forest ◽  
Floristic Diversity ◽  
Cork Oak Forest ◽  
Flora Diversity

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 consentis pour préserver le chêne liège ainsi que les espèces endémiques qui lui sont inféodées.Mots clés. Subéraies, inventaire, diversité, Parc National de Tlemcen, Algérie.SUMMARY. Flora diversity of cork oak forest in the National Park of Tlemcen (Algeria). The analysis of the floristic diversity of forest massif “Hafir-Zariffet” in the Tlemcen National Park has revealed the existence of 211 taxa which belong to 65 families and 164 genera. The number of taxa endemic and/or rare includes: 1 endemic algerian, 7 algero-moroccan, 11 ibero-algero-moroccan, 7 are endemic in North Africa and 11 are endemic in Iberian Peninsula and North Africa. The number of rare taxa is 26, 9 are at the same time threatened. Urgent efforts are required to preserve the cork oak as well as endemic species confined to it.Key words. Cork oak forest, inventory, diversity, National Park of Tlemcen, Algeria.

scholarly journals Warm and Fertile Sub-Humid Conditions Enhance Litterfall to Sustain High Soil Respiration Fluxes in a Mediterranean Cork Oak Forest

Forests ◽  
2015 ◽  
Vol 6 (12) ◽  
pp. 2918-2940 ◽  
Author(s):  
Lobna Zribi ◽  
Florent Mouillot ◽  
Fatma Gharbi ◽  
Jean-Marc Ourcival ◽  
Belgacem Hanchi
Keyword(s):  
Soil Respiration ◽  
Cork Oak ◽  
Oak Forest ◽  
High Soil ◽  
Cork Oak Forest

Development of a robust chromatographic method for the detection of chlorophenols in cork oak forest soils

2013 ◽  
Vol 186 (2) ◽  
pp. 1281-1293 ◽  
Author(s):  
Iain McLellan ◽  
Andrew Hursthouse ◽  
Calum Morrison ◽  
Adélia Varela ◽  
Cristina Silva Pereira
Keyword(s):  
Forest Soils ◽  
Chromatographic Method ◽  
Cork Oak ◽  
Oak Forest ◽  
Cork Oak Forest
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