Impacts of Marine and Lagoon Aquaculture on Macrophytes in Mediterranean Benthic Ecosystems

Boudouresque, Charles–François; Blanfuné, Aurelie; Pergent, Gérard; Pergent-Martinì, Christine; Perret-Boudouresque, Michèle; Thibaut, Thierry

doi:10.3389/fmars.2020.00218

Cited by 24 publications

(17 citation statements)

References 148 publications

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“…Interestingly, although S. vulgare is widely disseminated in the tropical and subtropical regions of the Atlantic, with great prominence around the Azores, Madeira and Canary Islands and in the Mediterranean Sea [ 22 ], little is known about the diversity of S. vulgare in Algeria, which has a littoral stretching over 1200 km. To our knowledge, the few existing studies that have focused on Algerian S. vulgare have only been carried out in some areas of Algeria’s central coasts (Bordj El Kiffan, Tamentfoust, Surcouf, Sidi Fredj, Arzew, Cherchell, Ain Tagourait, Kouali, Bou-Ismail, Ain Benian, Bourmedes, Gouraya, Taza) [ 23 , 24 , 25 ].…”

Section: Introductionmentioning

confidence: 99%

Phlorotannins of the Brown Algae Sargassum vulgare from the Mediterranean Sea Coast

et al. 2022

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Brown seaweeds are a good source of bioactive compounds, particularly of phlorotannins, which may exert a wide spectrum of pharmacological properties. In the present study, phlorotannins of S. vulgare were extracted using a 70% acetone solution and the crude extract was further purified through liquid–liquid partition, giving rise to n-hexane, ethyl acetate and aqueous residue fractions. The crude extract and the purified fractions were evaluated for potential antioxidant abilities as well as for inhibitory potential towards the digestive enzymes α-amylase and pancreatic lipase, and anti-inflammatory potential through the hindering of albumin denaturation. Overall, the ethyl acetate fraction was the richest in phlorotannins (9.4 ± 0.03 mg PGE/g) and was also the most promising regarding the tested bioactive properties. Of note, its inhibitory potential towards α-amylase was about nine times that of the commercial drug acarbose and its inhibitory activity against high temperature-induced protein denaturation was superior to that of the non-steroidal drug ketoprofen. According to UHPLC-DAD-ESI-MS/MS analysis, this fraction contained a range of phlorotannins with at least six units of phloroglucinol, including dibenzodioxine-1,3,6,8-tetraol, fuhalol, pentaphlorethol, fucopentaphlorethol and dihydroxypentafuhalol, in addition to several less common phlorotannin sulfate derivatives.

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Section: Introductionmentioning

confidence: 99%

Phlorotannins of the Brown Algae Sargassum vulgare from the Mediterranean Sea Coast

et al. 2022

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“…Some variability in macroalgal assemblages is also ascribed to the synergy between anthropogenic factors, like pollution and habitat destruction [10,18,23] and natural environmental factors, such as storms and sediment scour [18]. Moreover, overgrazing by sea urchins [36][37][38][39] and herbivorous fishes [40,41] in some Mediterranean areas is also considered one of the major threats to brown algal forests. Some Cystoseira species have already been driven to regional extinction [22], and despite the implementation of significant conservation actions, many degraded brown algal forests have not recovered [26,42].…”

Section: Introductionmentioning

confidence: 99%

First Restoration Experiment for Gongolaria barbata in Slovenian Coastal Waters. What Can Go Wrong?

Orlando-Bonaca

Pitacco

Slavinec

et al. 2021

Plants

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The global decline of brown algal forests along rocky coasts is causing an exceptional biodiversity loss. Regardless of conservation efforts, different techniques have been developed for large-scale restoration strategies in the Mediterranean Sea. In this study we tested ex situ pilot restoration of Gongolaria barbata (=Treptacantha barbata) for the first time in Slovenian coastal waters. Healthy apical fronds of the species were collected and the development of recruits on clay tiles was followed under laboratory conditions for 20 days. Despite the experimental difficulties experienced, especially due to the lack of antibiotics to prevent the growth of the biofilm, G. barbata recruits were outplanted in the sea on two concrete plates with 48 tiles each, protected by purpose-built cages to avoid grazing by herbivorous fish. The high survival rate of juveniles after four months in the field (89% of the tiles on the plate that was constantly protected) suggests that outplanting G. barbata is an operable approach for restoration efforts in the northern Adriatic Sea. Our first experiment in Slovenian coastal waters provides new information for the optimization of the best practices during the laboratory cultivation and addresses the early steps of restoration and introduction of young thalli in the natural environment.

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“…Sea urchin harvesters argue for the seeding of juveniles born in hatcheries. Seeding has sometimes been carried out [125], but it has been criticized [126]: the natural situation in the Mediterranean is probably a scarcity of P. lividus, as evidenced by the Scàndula Nature Reserve in Corsica [14,127].…”

Section: Should the Sea Urchin Paracentrotus Lividus And Other Macro-herbivores Be Controlled?mentioning

confidence: 99%

Biodiversity Management in a Mediterranean National Park: The Long, Winding Path from a Species-Centred to an Ecosystem-Centred Approach

Boudouresque

Barcelo²,

Blanfuné

et al. 2021

Diversity

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The Port-Cros National Park (PCNP), established in 1963, was one of the earliest terrestrial and marine parks in the Mediterranean Sea. From 2012, it engaged in a major redefinition and extension of its territory (N-PCNP—New Port-Cros National Park). This case is particularly interesting insofar as the protected area has been competently and efficiently managed since its creation, and protection and management measures have been strictly implemented: in the Mediterranean, the PCNP has often been considered as a benchmark. Here, we critically analyse almost 60 years of the management of the biodiversity and the human uses, with their share of successes and failures, certain operations which are today regarded as errors, and a doctrine today of a priori non-interventionism, in contrast to the doctrine in vogue in the early years. Of particular interest is the change in outlook with regard to actions favouring flagship species, such as building a tower for bats, setting up artificial nests for seabirds, and constructing an artificial reef at sea. The question of the natural arrival of the wild boar, a native species, and the hostility of the public and some species-centred scientists, is particularly instructive. We analyse these changes in the light of the ongoing trends in concepts in ecology and nature conservation, and the shift from a species-centred to an ecosystem-centred approach. It is worth emphasizing that a critical review of almost 60 years of management is a very rare exercise in a national park anywhere in the world.

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Impacts of Marine and Lagoon Aquaculture on Macrophytes in Mediterranean Benthic Ecosystems

Cited by 24 publications

References 148 publications

Phlorotannins of the Brown Algae Sargassum vulgare from the Mediterranean Sea Coast

Phlorotannins of the Brown Algae Sargassum vulgare from the Mediterranean Sea Coast

First Restoration Experiment for Gongolaria barbata in Slovenian Coastal Waters. What Can Go Wrong?

Biodiversity Management in a Mediterranean National Park: The Long, Winding Path from a Species-Centred to an Ecosystem-Centred Approach

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