CHAPTER III
Methodology Of Research
18
III.3. Selection of reference years
In order to demonstrate the evolution of the main variables of the coastal vulnerability, we
worked with consecutive years between 1977 and 2020.
For the assessment of socioeconomic vulnerability the data selected were:
 Population variables: we took the population of 1977, 1987, 2008 and 2020.
 Activieties: we worked with the data of 2020
 Tourism, Cultural heritage, Industry: the data selected were of 2020.
 Landuse: Data of 1990, 2000, 2010, 2020.
For the assessment of environmental vulnerability the data selected were:
 All the data were of the year 2020.
III.4.
Data collection
III.4.1.
Primary data
The data collection was carried out after visits to State headquarters and DPTD of Skikda to
retrieve the main data, which are: Population, activities, Natural and industrial potentials and
landuse of the municipalities of Skikda. The way the data was organized and the accuracy of
the results achieved were greatly impacted by the administrative framework and legal
responsibilities of the various institutions involved of the wilaya.
Primary and secondary data of Skikda province were collected for the preparation of
Socioeconomic and environmental study through the following means:
 Face-to-face interviews.
 Gathering information through email correspondence with relevant institutions.
III.4.1.1.
Department of Planning and Territorial Development (DPTD)
Is an organization that was initially established as the "NPC" (National Planning Council). In
the 1990s, it evolved into the Ministry of Planning. Today, the organization is part of the
Ministry of Finance (Ben Aknoun), specifically under the "DBG" (Directorate of Budget
Management). The DPAT has three main functions:
 Mastery of statistical information, including its processing and dissemination.
 Development of development programs along with their financing plans.
 Territorial planning.