About
55
Publications
15,149
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
156
Citations
Introduction
Mohammed Malouli Idrissi currently works at the Fishery Department, Institut National de Recherche Halieutique. Mohammed does research in Resource Economics, Environmental Economics and Bioeconomics.
Skills and Expertise
Current institution
Current position
- Head of Research Center, National Institute of Fisheries Research
Additional affiliations
Publications
Publications (55)
The European Sardine and the Atlantic Horse Mackerel are small pelagic fish that occur in the Southern Alboran Sea (Moroccan coast) and have an important socio-economic value. The world’s fisheries terrible condition, with overfishing and environmental degradation pushing stock to unsustainable levels. While sustainable management is paramount, tra...
A study of growth and reproductive parameters of Octopus vulgaris in the Moroccan Mediterranean (between Fnideq and Jebha) was carried out based on size frequency data of a sample of 14919 specimens (7891 females and 7028 males) from fishing trawlers and artisanal boats during 2015-2019. Different methods of FISAT II software including Powell-Wethe...
Ecosystem models offer a better understanding of fish populations and their environment impacts. The Moroccan main ports landing logbook, two climate scenarios data variables: RCP 2.6 and RCP 8.5 were used in this research. The Generalized Additive Models (GAMs) were used to analyze the relationships between LPUE, Effort, and environmental factors...
The diet composition of 756 specimens of blackspot seabream (Pagellus bogaraveo) was studied in Moroccan waters of the Strait of Gibraltar through a random and monthly sampling of commercial catches landed in the Port of Tangier (35°47′N-5°48′W). Feeding activity of P. bogaraveo was studied based on the vacuity index (%VI) and the total fullness in...
The octopus fishery is of major economic interest in the Moroccan Mediterranean, exploited by fishing boats using mainly octopus jigs and coastal trawlers using atomic bottom trawls. The current study, carried out in 2019, aims to quantify and characterize the nominal and effective fishing effort by fleet, and to assess the exploitation level in th...
Plastic pollution is both a societal and environmental problem and citizen science has shown to be a useful tool to engage both the public and professionals in addressing it. However, knowledge on the educational and behavioral impacts of citizen science projects focusing on marine litter remains limited. Our preregistered study investigates the im...
Beaks are one of the most important sclerochronological structures used to study the age and growth of cephalopods, in particular Octopus vulgaris Cuvier, 1797. The present study provides results of ageing of 128 O. vulgaris (56–239 mm dorsal mantle length, DML; 121–5974 g total weight, TW) collected in the southern Moroccan Mediterranean coasts be...
Climate change has a significant impact on regional and species levels,
leading to a significant drop in biomass in the Southern Alboran Sea (SAS).
Hence, research should be focused on determining the regional impact of
environmental fluctuations on major marine species. The European sardine
(Sardina Pilchardus) plays an important role in marine ec...
The Citizen Observation of Local Litter in coastal ECosysTems (COLLECT) project (2021-2022) is a citizen science initiative, supported by the Partnership for Observation of the Global Ocean (POGO), which aimed to acquire distribution and abundance data of coastal plastic litter in seven countries: in Africa (Benin, Cabo Verde, Côte d’Ivoire, Ghana,...
Marine and estuarine fish and fisheries are being influenced by greenhouse gases and will continue to be impacted (Roessig et al., 2004). Ocean reactions to climate change include rising upper ocean temperatures, a dramatic shift in oceanic stratification, dissolved oxygen, and salinity (Doney et al., 2012).
Multiple environmental variables might s...
Relative abundance indices of bluefin tuna (Thunnus thynnus) caught by the Moroccan and Portuguese traps in the Atlantic area close to the Strait of Gibraltar were estimated for the period 2008-2021. Data from four Moroccan and one Portuguese tuna traps were compiled and used. The trend of the nominal CPUE series shows a relatively low and flat per...
The Blackspot Seabream (Pagellus bogaraveo) is one of the most important commercially exploited fish species for the Spanish and Moroccan fleets which operate in the Strait of Gibraltar. In recent years, the landings of Blackspot Seabream in the main ports have decreased significantly with respect to previous periods of maximum catches, which makes...
The Alboran Sea in the Mediterranean region is characterized by their multiples and different connections: atmospheric and oceanographic linking Mediterranean and Atlantic regions, geological between the common Betic–Rif belt but separated in two lithospheric plates (Eurasia and Nubia), biological and ecological, and geopolitical where the Alboran...
Marine Protected Areas (MPAs) and Key Biodiversity Areas (KBAs) are important tools for preserving species, habitats and ecological-geological-oceanographical processes. Nowadays, more than 10% of the Alboran Sea is under some protected figure or is on its way to be protected. This chapter presents the current state of the MPAs and KBAs of the Albo...
The artisanal fisheries or small-scale fisheries are the most traditional fishing activity in the Alboran Sea. They are deeply rooted in the region, constituting an essential element of coastal communities. In the Alboran Sea, artisanal fisheries have traditionally played an important role in social and economic aspects. They have been present in m...
The blackspot seabream Pagellus bogaraveo (Brünnich, 1768), is an economically important and a main targeted fishery species in the Strait of Gibraltar. In order to address overfishing issues and to set up an efficient management plan for a sustainable exploitation, the life cycle of this species was investigated for the
first time in the Moroccan...
The Alboran Sea represents a regional Mediterranean space where North and South worlds merges, creating a geopolitical region where marine resources and maritime activities should be managed from a national and international perspectives. It is widely known, that currently the planet is suffering a global change, and it is also affecting the Albora...
A total of 112 specimens were sampled from Southern Atlantic of Morocco in the period from April to June 2016. Sixty-two dorsal fin spines were analyzed for ageing and growth studies, and all samples (112) were used for biometric studies. The length of the aged individuals ranged from 440 to 704 mm. Fish ages ranged from 1 to 4 years old and the me...
The polychaete assemblages at Dakhla Bay (Atlantic coast of South Morocco) were studied during spring 2013 and winter 2014 to analyze the spatial-temporal variability in diversity and community structure, as well as their relationships with the main environmental variables. Forty-two stations were sampled all over the bay, yielding a total of 22 sp...
In the framework of the development of scientific knowledge on the structure and functioning of the ecosystem, an in-sea monitoring campaign of the marine ecosystem of the Mediterranean coast located between Fnid'q and Saidia is carried out by the scientific team of the Department of Fisheries of the National Institute for Fisheries Research aboard...
In Morocco, the establishment of Marine Protected Areas (MPAs) is a new management approach used for strengthening traditional fisheries' management measures. This approach was proposed in the Mediterranean due to the decline of the main fisheries' resources, both small pelagic and demersal species. This paper discusses the presentation and analysi...
The polychaete assemblages inhabiting the coastal waters of the Oualidia lagoon were studied during winter 2013 and summer 2013. Taxonomic composition and diversity were determined at 43 sample sites. Among the 13 species of polychaetes recorded, 10 were newly reported for Oualidia lagoon. Hediste diversicolor and Capitella sp. were the most abunda...
The demographic structures of Atlantic bonito, Sarda sarda (Block, 1793), in the South Atlantic coast of Morocco were studied from the biological sampling data collected from coastal units targeting this species, between 2012 and 2015. In total, 2688 individuals were measured for size frequency analysis and 158 individuals for biological parameters...
The General Linear Modelling approach (GLM), assuming a lognormal distribution error, was used to update the standardized index of abundance for the swordfish caught by the Moroccan longline fleet targeting this species south of the Moroccan Atlantic coast during the period 2005-2016. The analysis covered 1311 trips carried out by this fleet during...
CopeMed II. 2016. Report of the 5th meeting of the CopeMed II Study Groups on stock
assessment of small pelagic and demersal stocks of interest to Algeria, Morocco and
Spain in the Alborán sea (GSAs 01, 02, 03 and 04) and GFCM training workshop.
Tangier, Morocco 17-20 October 2016. CopeMed II Technical Documents Nº45
(GCP/INT/028/SPA - GCP/INT/006/...
In Morocco, artisanal fishing i practiced by small boats that use a simple technology and target a variety of species living in coastal areas. However, in the central Atlantic region between Cape Cantin (32°32’N) and Cape Boujdour (26°07’N), about 30% of artisanal boats have converted in recent years their fishing activity to the small pelagic reso...
CopeMed phase II, “Coordination to Support Fisheries Management in the Western and Central
Mediterranean”, is a project executed by FAO and funded by Spain (Fisheries Secretariat) and
the European Commission (DG Mare), active since 2008. Building on the achievements of the
first phase (1996-2005), the project aims to strengthen scientific and manag...
The demographic structures of Atlantic bonito, Sarda sarda (Block, 1793), in the South Atlantic coasts of Morocco were studied from the biological sampling data of the landings coastal units targeting this species, between 2012 and 2015. In total, 2688 individuals are measured for size frequency analysis and 158 individuals for biological parameter...
Relative abundance index of bluefin tuna (Thunnus thynnus) caught by the Moroccan traps in the Atlantic area close to the Strait of Gibraltar was updated up to 2014. The annual Standardized index was estimated through a General Linear Modeling (GLM) approach under a negative binomial error distribution assumption. A remarkable increase of the index...
Relative abundance index of bluefin tuna (Thunnus thynnus) caught by the Moroccan traps in the Atlantic area close to the Strait of Gibraltar was updated up to 2014. The annual Standardized index was estimated through a General Linear Modeling (GLM) approach under a negative binomial error distribution assumption. A remarkable increase of the index...
Artisanal fisheries of bluefin tuna (Thunnus thynnus) in the region of the Straits of Gibraltar began in Morocco in 1994 on the site of Ksar Sghir, extending later to other sites of artisanal fisheries, including Dikky. This site was selected as target landing site by the FAO ArtFiMed project for monitoring between 2009 and 2011. The center of Tang...
Small pelagic species represent an important fishery and economic activity for the countries bordering the Alboran Sea. Among the small pelagic species with great importance in terms of both total landings and economic value are sardine (Sardine pilchardus) and Anchovy (Engraulis encrasicolus), although other species are taking an important percent...
The second meeting of the FAO CopeMed II Working Group between Spain and Morocco on blackspot seabream (Pagellus bogaraveo) stock of the Strait of Gibraltar area2 was held in Tangier (Morocco) from 19 to 21 March 2012. The main objective of this CopeMed II Working Group was to update the existing data and
information on this stock shared by the two...
Au niveau national, les résultats et produits du projet FAO-ArtFiMed contribuent à améliorer les processus d’appui aux pêches artisanales et à renforcer la visualisation de ces pêcheries. Au niveau de la région Méditerranéenne, sous la responsabilité de la Commission générale des pêches pour la Méditerranée (CGPM), ArtFiMed soutient la prise en com...
Les résultats et produits du projet ArtFiMed contribuent au niveau national, à améliorer les processus d’appui aux pêches artisanales et à renforcer la visualisation de ces pêcheries. Dans la région méditerranéenne, où les questions d’aménagement de la pêche sont sous la responsabilité de la Commission générale des pêches pour la Méditerranée (CGPM...
A partir de la perspective socio-économique, la Méditerranée se considère comme une région très complexe. Les interrelations entre les divers groupes de pêcheurs se trouvent parfois avec des conflits d'intérêt, une ressource précieuse mais rare et un grand marché de consommateur dont la demande dépasse largement l'offre. Cette situation délicate, e...
In Morocco, bluefin tuna fishing is of great importance, especially on the economic and commercial level, with a turnover amounting to MAD 200 million in 2008. Almost the total production is exported. Morocco is the second biggest producer of blue fin after Spain. The catches of tuna traps have the lion's share, with more than 80% of the total prod...
