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MICROALGAE [12 records]

Record 1 2026-03-10

English

Subject field(s)
  • Chemical Elements and Compounds
  • Biochemistry
  • Food Industries
CONT

DHA(docosahexaenoic acid)-rich oil is produced via an algal fermentation process using microalgae from the genus Schizochytrium, a member of the kingdom Chromista, which includes the golden algae.

French

Domaine(s)
  • Éléments et composés chimiques
  • Biochimie
  • Industrie de l'alimentation

Spanish

Save record 1

Record 2 2022-12-30

English

Subject field(s)
  • Ecology (General)
  • Ecosystems
  • Statistical Surveys
DEF

size spectra: Discrete or continuous representations of the relationships that link either numerical abundance or biomass concentration to body size.

CONT

A size spectrum comprises bacteria/microalgae, meiofauna, and macrofauna.

OBS

size spectra: plural.

Key term(s)
  • size spectra

French

Domaine(s)
  • Écologie (Généralités)
  • Écosystèmes
  • Sondages et enquêtes (Statistique)

Spanish

Save record 2

Record 3 2021-10-26

English

Subject field(s)
  • Animal Feed (Agric.)
  • Aquaculture
DEF

live food organisms : Small living organisms mostly fed to larvae of fish and shellfish(directly or indirectly), such as microalgae, rotifers, copepods, Daphnia, brine shrimp(meta-) nauplii and mollusc trochophores...

OBS

[Their] mass culture is widely used in the industrial larviculture of marine fishes, molluscs and shrimps.

OBS

live food organism; live feed organism: designations usually used in the plural.

Key term(s)
  • live food organisms
  • live feed organisms

French

Domaine(s)
  • Alimentation des animaux (Agric.)
  • Aquaculture
DEF

organismes alimentaires vivants : Petits organismes vivants utilisés principalement pour l'alimentation (directe ou indirecte) de larves de poissons, de mollusques et de crustacés, tels que microalgues, rotifères, copépodes, daphnies, (meta-)nauplii d'artémia et trochophores de mollusques [...]

OBS

[Leur] élevage en masse est largement utilisé en larviculture industrielle de poissons marins, de mollusques et de crustacés.

OBS

organisme alimentaire vivant; proie vivante : désignations habituellement utilisées au pluriel.

Key term(s)
  • organismes alimentaires vivants
  • proies vivantes

Spanish

Save record 3

Record 4 2021-10-26

English

Subject field(s)
  • Aquaculture
  • Mollusks, Echinoderms and Prochordates
DEF

A method used in France in which oysters are reared in small, shallow coastal ponds rich in certain [microalgae] that impart a green colour to the meat.

CONT

... oyster greening ... contributes significantly to the economic value of cultured oysters ... due to organoleptic and essential fatty acid modifications in green oysters that result in a more palatable ... content ...

Key term(s)
  • greening of oysters

French

Domaine(s)
  • Aquaculture
  • Mollusques, échinodermes et procordés
DEF

Opération pratiquée en France qui consiste à placer les huîtres dans de petits étangs salés (claires) où l'abondance de certaines [microalgues] leur confère une couleur verte et un goût apprécié.

Spanish

Campo(s) temático(s)
  • Acuicultura
  • Moluscos, equinodermos y procordados
Save record 4

Record 5 2021-05-31

English

Subject field(s)
  • Aquaculture
CONT

... extensive systems [make use of] large sections of a natural estuarine system... for copepod production, [and are] based on naturally occurring microalgae and virtually no control...

French

Domaine(s)
  • Aquaculture
Key term(s)
  • système de culture extensif

Spanish

Save record 5

Record 6 2021-05-27

English

Subject field(s)
  • Aquaculture
CONT

Oyster farmers use a special culture technique [that] consists in immersing oysters in ponds for … fattening … These basins … are used to fatten and green the oysters … Oyster fattening is achieved through the great richness in phytoplankton, and oyster greening is the result of the proliferation of the diatom Haslea ostrearia which is responsible for the greening of the gills after secretion by this microalgae...

Key term(s)
  • oyster grow-out
  • growout of oysters
  • grow-out of oysters
  • fattening of oysters
  • grow-out

French

Domaine(s)
  • Aquaculture
CONT

L'affinage est l'étape biologique de production intervenant dans le cycle d'élevage qui consiste à immerger les huîtres adultes dans les claires avant de les conditionner en vue de leur mise en marché. L'affinage a pour objet de modifier entre les caractères organoleptiques, d'accentuer le durcissement des coquilles, et de favoriser l'engraissement ou d'opérer au verdissement […]

Spanish

Campo(s) temático(s)
  • Acuicultura
Save record 6

Record 7 2020-10-29

English

Subject field(s)
  • Environmental Studies and Analyses
  • Ecology (General)
CONT

Aquatic microcosms are small containers dedicated to aquatic microbial ecosystems studies from single populations to communities of bacteria, microalgae and other planktonic organisms.

French

Domaine(s)
  • Études et analyses environnementales
  • Écologie (Généralités)
CONT

Les microcosmes aquatiques sont de petits conteneurs consacrés aux études d'écosystèmes microbiens aquatiques de populations isolées à des communautés de bactéries, de microalgues et d'autres organismes planctoniques.

Spanish

Save record 7

Record 8 2020-10-22

English

Subject field(s)
  • Ecology (General)
CONT

The biotic productivity of these coastal ecotones is extremely high, rivaling the most intensely cultivated farmlands. Several factors account for this : abundant nutrients; conservation, retention, and efficient recycling of nutrients among benthic, wetland, and pelagic habitat(i. e., coupling of subsystems) ;consortia of phytoplankton, benthic microalgae and macroalgae, seagrasses, mangroves, and fringing saltmarsh vegetation that maximize available light and space; tidal energy and circulation.

French

Domaine(s)
  • Écologie (Généralités)

Spanish

Save record 8

Record 9 2019-02-26

English

Subject field(s)
  • Binders and Mastics (Constr.)
  • Road Construction Materials
  • Road Maintenance
CONT

To reduce oil consumption, a substitute material for bitumen needs to be found that maintains the same level of performance. This challenge is critical, especially in France, where 70, 000 km of roads are being renovated each and every year. [The organization] is focusing its attention on microalgae, identified as one of the biomasses of the future for producing a bio-sourced binder.

Key term(s)
  • biosourced binder

French

Domaine(s)
  • Liants et mastics (Construction)
  • Matériaux de constr. (Voies de circulation)
  • Entretien des routes
CONT

Pour réduire la consommation de pétrole, il faut trouver un matériau de substitution au bitume gardant les mêmes performances. C'est un enjeu important, notamment en France où 70 000 km de routes sont rénovées chaque année. [L'organisme] s'intéresse aux micro-algues, identifiées comme une biomasse d'avenir pour produire un liant bio-sourcé.

Spanish

Save record 9

Record 10 2013-07-25

English

Subject field(s)
  • Algae
  • Biomass Energy
  • Industrial Crops
DEF

A single-cell, photosynthetic organism.

CONT

Benefits of Algal Biofuels :... Microalgae, as distinct from seaweed or macroalgae, can potentially produce 100 times more oil per acre than soybeans, or any other terrestrial oil-producing crop.

OBS

microalgae; micro-algae : plural forms.

Key term(s)
  • microalgae
  • micro-algae

French

Domaine(s)
  • Algues
  • Énergie de la biomasse
  • Culture des plantes industrielles
DEF

Organisme unicellulaire aquatique capable de photosynthèse.

CONT

Certaines microalgues peuvent contenir plus de 50 % de leur poids sec en acides gras. Des capacités exceptionnelles qui présagent des rendements trente fois supérieurs à ceux d’oléagineux terrestres tels que le colza. Ces qualités permettent d’envisager la production d’un carburant algal qui n’empièterait pas sur l’agriculture alimentaire.

OBS

On utilise le terme «micro» car la taille d'une micro-algue varie de quelques micromètres à une centaine de micromètres.

Spanish

Campo(s) temático(s)
  • Algas
  • Energía de la biomasa
  • Cultivo de plantas industriales
Save record 10

Record 11 2012-09-11

English

Subject field(s)
  • Ecology (General)
CONT

Many species have developed specific adaptations to survive in regions of recurring ice cover. The epontic community (living on the underside of the ice) is unique to these ecozones.

PHR

Epontic microalgae, invertebrates, organisms.

French

Domaine(s)
  • Écologie (Généralités)
CONT

Bon nombre d'espèces ont développé des adaptations spécifiques pour survivre dans des régions caractérisées par la présence d'une couverture de glace périodique. La communauté épontique (vivant à la face inférieure de la glace) est particulière à ces écozones.

Spanish

Save record 11

Record 12 2006-05-23

English

Subject field(s)
  • Microbiology and Parasitology
  • Marine Biology
  • Ship Maintenance
CONT

Marine biofilm : how quickly does it form? Immediately, when a surface is immersed in the sea, a conditioning film of organic molecules forms. This begins after a few seconds of immersion and is considered as molecular fouling. In the hours and days that follow, bacteria colonise the surface and micro colonies occur. These colonies spread outwards and upwards to form irregular structures. At this stage other microfouling appear, e. g. microalgae and fungi... The biofilm then matures and new species enter and grow, organic and inorganic debris is incorporated and solute gradients develop leading to a special heterogeneity. At this point three things can occur : The biofilm may slough off due the hydrodynamics of the environment; Organisms may begin to graze on the biofilm; Larger organisms such as algae and molluscs may establish on it, this is macrofouling.

Key term(s)
  • micro fouling
  • micro-fouling

French

Domaine(s)
  • Microbiologie et parasitologie
  • Biologie marine
  • Entretien des navires
CONT

Les salissures sont surtout d'ordre biologique et l'on parle de biosalissures. Selon la taille des organismes on distingue les : -microsalissures : bactéries et algues unicellulaires, larves, [...] qui forment le «voile biologique»; - macrosalissures : algues pluricellulaires, mollusques fixés, larves, vers, crustacés (balanes et autres), qui ne s'installent que lorsque le substrat est déjà colonisé par les microsalissures.

OBS

microsalissure : terme généralement employé au pluriel.

Key term(s)
  • microsalissures marines
  • microsalissures

Spanish

Save record 12

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