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Tracking Interactions of Large Marine Protected Areas and Fisheries from Space, Kristina Boerder [et al.]

Tracking Interactions of Large Marine Protected Areas and Fisheries from Space, Kristina Boerder [et al.]

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B3/ Aquaculture of native marine

and estuarian South Pacific finfish



178



Aquaculture in French Polyn´

esia: from rural

to industrial sectors

Lafille Marc-Andr´e ∗

1



1



Direction des ressources Marines et Mini`eres (DRMM) – BP 20 Fare Ute Papeete 98713 TAHITI,

French Polynesia



With about 120 islands and atolls spread over 5 archipelagos, French Polynesia has a maritime area as large as Europe. With about 280,000 inhabitants, French Polynesia is strongly

turned towards the ocean. Marine resources are therefore the most important economic resources

of the country (tourism attraction, fishing, pearl farming, etc.). Around the world, as well as in

French Polynesia, the demand for sea products is constantly increasing and some natural stocks

are decreasing dangerously. Aquaculture allows to limit over-fishing and French Polynesia have

a considerable potential for the development of these sustainable sectors (available maritime

surface, favorable climate conditions, health status, limited industrialization, etc.). In French

Polynesia, aquaculture revolves around different private actors, and the Polynesian government,

through the Direction of Marine and Mining Resources with its research partners, intervenes

to assist and guide the development of a sustainable Aquaculture. Here, it is proposed to give

an overview of Aquaculture in French Polynesia (excluding pearl farming): from a rural to an

industrial sector.







Speaker



179



Environmental analysis method to guide

aquaculture sustainable development: case

study in Mayotte marine natural park

Killian Chary



1



∗ 1



, Myriam Callier 1 , Denis Coves 1 , Joel Aubin 2 , Annie

Fiandrino 3



Institut Fran¸cais de Recherche pour l’Exploitation de la MER - IFREMER (3AS - UMR MARBEC) –

Institut Fran¸cais de Recherche pour l’Exploitation de la MER - IFREMER – Chemin de Maguelone,

F-34200 Palavas, France

2

INRA Rennes (INRA) – UMR 1069 AS – 65 rue de Saint Brieuc CS 84215 35 042 Rennes cedex,

France

3

Centre for Marine Biodiversity, Exploitation and Conservation (MARBEC) – Institut Fran¸cais de

Recherche pour l’Exploitation de la Mer (IFREMER), Centre National de la Recherche Scientifique CNRS, Institut de Recherche pour le D´eveloppement - IRD (FRANCE), Universit´e Montpellier II Sciences et Techniques du Languedoc – Avenue Jean Monnet CS 30171 34203 S`ete cedex, France



Mayotte Island is a French Outermost Region located in the Indian Ocean. A marine Nature

Park was created in 2010 and cover all EEZ. Within Mayotte’s Marine Park management plan,

a goal of sustainable aquaculture in Mayotte was recognised by stakeholders and local authorities. The marine fish farming sector mainly produced red drum (Sciaenops ocellatus) and it is

composed of small and medium size farms (200t) to serve the European Market.

The present project aims at developing a methodology to compare the environmental performances of several scenarii of aquaculture production (production scale, farm sites). Impact

assessment of aquaculture systems are mainly studied with two different kinds of environmental

assessment methods; sites vs product approach. Sites approach gives an absolute evaluation

of environmental sustainability through indicators that measure the effect of a pollution (ex.

Nutrient enrichment) or an ecosystem state (ex. Diversity indices) at a local or regional scale.

Product approach analyses environmental burdens at all stages of its life cycle and gives relative

environmental performances (ex. Carbon footprint) at a global level.

The specific objective is to combine sites and product complementary approaches. Local impact

assessment is focused on benthic effects associated to particulate waste deposition from aquaculture cages and is evaluated with the DEPOMOD particle tracking model. Global environmental

impact assessment of emissions and resources used for red drum farming production is conducted

with a product perspective using Life Cycle Assessment (LCA). The project will contribute to

1) site selection for aquaculture to respect environmental carrying capacity of tropical lagoon,

2) develop an integrated tool to assess the environmental performance of aquaculture systems.

The integration of local impact indicators based on organic footprint and benthic impacts to

existing impact categories in LCA will allow to highlight potential impact transfers between

local, regional and global scales. This environmental analysis method is a generic framework





Speaker



180



that can be applied to other species or territories and that can be useful for decision makers to

guide aquaculture development.



181



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