La littoralisation dans l’Ouest algérien : analyse multiscalaire des interactions hommes-espaces-écosystèmes

Ghodbani, Tarik; Berrahi-Midoun, Fatiha

doi:10.4000/eps.5488

Cited by 6 publications

(3 citation statements)

References 8 publications

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“…A study case: Mediterranean Sea: common issues of the countries along the Mediterranean Sea are, the artificialization of the coast driver by over expanding tourism and urbanisation (Ghodbani and Berrahi-Midoun, 2013;Nakhli, 2010), the alteration of coastal dynamics and the degradation of its ecosystems and habitats (Roca et al 2016), the increase of environmental risks along the coast, the loss and degradation of the landscape, the development of environmental problems due to aquaculture (Abdou et al 2017) and the dwindling of the traditional fishery industry (Gambino et al 2016), among others.…”

Section: Methodsmentioning

confidence: 99%

Integrated Coastal Zone Management (ICZM) Framework and Ecosystem Approach: eutrophication phenomenon at the Mediterranean Sea

Kies¹,

Monge-Ganuzas²,

Ríos³

et al. 2020

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The Mediterranean environment stressors and their effect on trophic state require the assessment of interconnection between land-based drivers, the real and potential pressures and impacts. To achieve this, it is necessary to consider as well, several social and economic factors that may influence decision-making around land-sea planning and the management of nutrient, pollutants and sediment transport. Moreover, once the ecological situation is characterized, it is advisable to establish the linking between the natural systems and the ecosystem services. In the Mediterranean Sea, it fairly demonstrated by ecosystem-based management approaches and the literature that human activities can affect the water column, the seafloor, and the biodiversity, among others. Moreover, it is a fact that these issues require a detailed piece of knowledge of a wide variety of geological, sociological, economical and biological variables, among others. Those variables are dependent on prioritises actions. One of them is the monitoring, mitigation and control of the eutrophication processes, which needs the deconstruction of the Integrated Coastal Zones Management (ICZM) approach into priorities actions, in accordance with the multi-level water characteristics and their interconnection, i.e., the coastal zone dynamics, and the multilevel governance.

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Section: Methodsmentioning

confidence: 99%

Integrated Coastal Zone Management (ICZM) Framework and Ecosystem Approach: eutrophication phenomenon at the Mediterranean Sea

Kies¹,

Monge-Ganuzas²,

Ríos³

et al. 2020

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“…Dans cette zone, « Les zones montagneuses restent les plus faiblement peuplées, y compris celles en position côtière. Dans cet espace éminemment rural, seules Ghazaouet et Béni Saf font figure de ville » (Ghodbani et Berrahi-Midoun, 2013). L'urbanisation en milieu montagneux est en fait « un processus urbain atypique du fait du substrat physique inadapté pour le développement urbain » (Ben Allak, ibid, p.3).…”

Section: Beni Saf Une Ville Dynamique Dans Un Site Contraignantunclassified

Cities in Algeria, between growing needs for urbanizable land and constraints of spatial development. Case of Beni Saf, a small coastal town in the Tellian Atlas of western Algeria

MERABET,

TAHRAOUI

2024

BSGLg

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Les villes algériennes toutes strates confondues ont besoin de foncier urbanisable mais des contraintes multiformes peuvent inhiber leur excroissance telles la vulnérabilité du site, la législation inhérente au (littoral, terres agricoles et zones forestières) et la propriété privée du sol. Le cas de la petite ville de Béni Saf objet de cet article dans l’Atlas Tellien de l’ouest algérien pâtit de l’ensemble de ces dernières. Comment s’est-elle développée à partir d’un camp de mineurs pendant la période coloniale et comment est préconisée sa sortie de l’impasse du manque de terrains urbanisables, quel en est l’efficience : telles sont les questions que nous tentons d’élucider. À ce propos, le recours a été fait à l’histoire urbaine de cette ville, aux différents plans d’aménagement et d’urbanisme post indépendance, à des investigations au niveau des institutions étatiques locales dont la DUAC, l’ONS et à d’autres in situ.

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“…From the seventies, this country knew a significant built-up development, especially in Algiers, Oran and Annaba cities, where the sandy coastal features have been transformed massively by the construction. Consequently, the Algerian legislation introduced the Littoral Law 02/2002 aiming to protect and to assess the 91 coast as a natural resource (Ghodbani and Berrahi-Midoun, 2013;Taibi, 2016).…”

Section: Introductionmentioning

confidence: 99%

Impact of the Urbanization on Coastal Dune: Case of Kharrouba, West of Algeria

Senouci

Taïbi

2019

J. Sed. Env.

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Despite the coming into force of the Algerian Littoral Law 02/2002, which aimed the protection of the coast and a sustainable use of its resources, construction projects have been authorized on brittle unstable lithology. Relating to this, Kharrouba experienced a tremendous change during the period 2004-2012 due to a massive urbanization. Accordingly, expert’s reports concerning the sustainability of construction projects as required by the Law 01-03-2003, were not sufficient. In this work, we analyzed the morphological coastal transformation of Kharrouba between 1989 and 2016 with particular interest in the decline of the dune due to a strong urban growth. For this purpose, a topographic map and Google Earth Pro pictures were used and processed in a geographical information system (SIG). The results of the diachronic analysis and the evolution of the coastal dune showed that the dune surface increased 23.82 % between 1989 and 2004; a period marked by a low construction activity. On the other hand, the surface of the dune regressed 59.67% during the period 2004-2012 that coincided with a major flat construction for the local population and secondary for the tourism. In addition to the environmental impact, the degradation of the dune led to more erosion, sediment balance disturbance of the beach, and coastal risk susceptibility. Moreover, the study area already experienced two landslides between 2012 and 2014 with negative socioeconomic consequences. A sustainable development of the coastal zone in Kharrouba and the province of Mostaganem should consider the environment and its protection as inevitable conditions for long-term economic activities. Therefore, the stakeholder of this region should comply with the existing laws regarding the preservation of the dune and the respect of the legally fixed distance between the coastline and a planned construction project. TítuloIMPACTO DA URBANIZAÇÃO NA DUNA COSTEIRA: CASO DE KHARROUBA, A OESTE DA ARGÉLIAResumoApesar da entrada em vigor da Lei Argelina sobre o Litoral de 02/2002, que visava a proteção do litoral e o uso sustentável de seus recursos, foi autorizada a implementação de projetos de construção sobre litologia instável e frágil. Em consequência disso, Kharrouba sofreu uma tremenda mudança durante o período de 2004-2012 devido a urbanização maciça. Consequentemente, de acordo com a Lei 01-03-2003, os relatórios de especialistas sobre a sustentabilidade dos projetos de construção, revelam que as medidas tomadas não eram suficientes. Neste trabalho, analisamos a transformação costeira morfológica de Kharrouba entre 1989 e 2016 com particular interesse no declínio da duna devido a um forte crescimento urbano. Para isso, um mapa topográfico e imagens do Google Earth Pro foram usados e processados em um sistema de informações geográficas (SIG). Os resultados da análise diacrônica e a evolução da duna costeira mostraram que a superfície das dunas aumentou 23,82% entre 1989 e 2004; um período marcado por uma baixa atividade de construção. Por outro lado, a superfície da duna regrediu 59,67% durante o período 2004-2012, que coincidiu com o aumento significativo de construção para a população local e para o turismo. Além do impacto ambiental, a degradação da duna levou a mais erosão, perturbação no equilíbrio dos sedimentos da praia e vulnerabilidade a riscos costeiros. Além disso, a área de estudo já sofreu dois deslizamentos entre 2012 e 2014, com consequências socioeconômicas negativas. Para um desenvolvimento sustentável da zona costeira de Kharrouba e da província de Mostaganem deve-se considerar o ambiente e sua proteção como condições indispensáveis para o desenvolvimento de atividades econômicas de longo prazo. Para tanto, as entidades desta região devem cumprir as leis existentes sobre a preservação da duna e o respeito da distância legalmente fixada entre o litoral e as construções civis.Palavras-chave: Argélia. Litoral. Dunas. Impacto. Urbanização. SIG.

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La littoralisation dans l’Ouest algérien : analyse multiscalaire des interactions hommes-espaces-écosystèmes

Cited by 6 publications

References 8 publications

Integrated Coastal Zone Management (ICZM) Framework and Ecosystem Approach: eutrophication phenomenon at the Mediterranean Sea

Integrated Coastal Zone Management (ICZM) Framework and Ecosystem Approach: eutrophication phenomenon at the Mediterranean Sea

Cities in Algeria, between growing needs for urbanizable land and constraints of spatial development. Case of Beni Saf, a small coastal town in the Tellian Atlas of western Algeria

Impact of the Urbanization on Coastal Dune: Case of Kharrouba, West of Algeria

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