COMMUNITY EDUCATIONCOMMUNITY EDUCATION

PLANKTONPLANKTON Vital importanceVital importance

Nguyen NganNguyen NganNational Oceanographic MuseumNational Oceanographic Museum

Institute of OceanographyInstitute of OceanographyVIETNAMVIETNAM

INSTITUTE OF OCEANOGRAPHYINSTITUTE OF OCEANOGRAPHYNHATRANG – VIETNAMNHATRANG – VIETNAM

The Institute was founded in 1922 The Institute was founded in 1922 It is under the Vietnamese Academy It is under the Vietnamese Academy

of Science and Technology.of Science and Technology. Loacated: Nhatrang city - VietnamLoacated: Nhatrang city - Vietnam

INSTITUTE OF INSTITUTE OF OCEANOGRAPHYOCEANOGRAPHY

ORGANIZATIONORGANIZATION

National Oceanographic National Oceanographic MuseumMuseum AquariumAquarium Hall for display big skeletons Hall for display big skeletons

Hall for different exhibitionHall for different exhibition Marine biodiversityMarine biodiversity

Topic:Topic: Life in a drop of sea Life in a drop of sea waterwater

Objectives: Objectives: pupils pupils studentsstudents visitorsvisitors

Target: Target: Method to collect and observe tiny planktonMethod to collect and observe tiny plankton Explain the vital importance of the creaturesExplain the vital importance of the creatures

Expected output: objectives know the Expected output: objectives know the presence of these tiny but extremely presence of these tiny but extremely important creatures in marineimportant creatures in marine

Method to collect and observe tiny Method to collect and observe tiny planktonplankton

Collect: phytoplankton netCollect: phytoplankton net

!!!Students or pupils can take part in this process!!!Students or pupils can take part in this process

Observe: filter net, microscope with camera, TV, observe 3D-model of Observe: filter net, microscope with camera, TV, observe 3D-model of phytoplanktonphytoplankton

Method to collect and observe tiny Method to collect and observe tiny planktonplankton

LA VIELA VIE

DANSDANS

UNE GOUTTE D’EAUUNE GOUTTE D’EAU

Part 1Part 1PLANCTONPLANCTON

BactérieBactériePhytoplanctonPhytoplanctonZooplanctonZooplancton

BACTÉRIEBACTÉRIE

PHYTOPLANCTONPHYTOPLANCTON

Algue: DiatoméesAlgue: Diatomées

Algue: DiatoméesAlgue: Diatomées

Algue: DiatoméesAlgue: Diatomées

Algue: DinoflagellésAlgue: Dinoflagellés

Algue: DinoflagellésAlgue: Dinoflagellés

Algue: DinoflagellésAlgue: Dinoflagellés

ZOOPLANCTONZOOPLANCTON

MédusesMéduses

CopépodesCopépodes

Larves: petits crustacésLarves: petits crustacés

Larves: Larves: polychètespolychètes

Larves: échinodermesLarves: échinodermes

Larve: poissonLarve: poisson

Part 2Part 2Phytoplancton joue un rôle Phytoplancton joue un rôle improtant dans la vie des improtant dans la vie des

écosystèmes marinsécosystèmes marins Rôle primordial dans la vie marine: Rôle primordial dans la vie marine:

Poumon de l’océan: créer de l’oxygènePoumon de l’océan: créer de l’oxygène Origine des réseaux alimentaires de Origine des réseaux alimentaires de

nombreuses espècesnombreuses espèces Menaces sur la vie marine Menaces sur la vie marine

ChaChaîne îne alimentaalimenta

ireire

Phytoplancton

Zooplankton

Carnivores primaries

Herbivores

Carnivores secondaires

Carnivores III

Carnivores IV

Marée rougeMarée rouge

Coquillages filtreurs: Coquillages filtreurs: herbivoresherbivores

Marais salantsMarais salants

La couleur, la qualité des marais La couleur, la qualité des marais salants varie selon la salinité et salants varie selon la salinité et dépend des micro-organismes dépend des micro-organismes

présents dans l’eauprésents dans l’eau

Questions for objectivesQuestions for objectives

Is there anything in a drop of water?Is there anything in a drop of water? Can we see them with naked eyes?Can we see them with naked eyes? Are they important?Are they important? How?How?

AcknowledgementsAcknowledgements

I would like to thank Foundation Charles I would like to thank Foundation Charles Léopold Mayer for the support for the Léopold Mayer for the support for the triptrip

Thanks to Soleils des Francophonies Thanks to Soleils des Francophonies who introduced me to this meetingwho introduced me to this meeting

Many thanks to Mr Mollo Pierre and Mr Many thanks to Mr Mollo Pierre and Mr Jean Claude SimonJean Claude Simon