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Synthetic ropes
Plastic

Synthetic ropes (marily made of polysteel which is a blend of PP and PE, which has a 25 percent higher tensile strength than PP. Although, polyester and PA can be used, they are more expensive and more elastic than polysteel)

Other ropes
Natural textile

Other ropes (natural products)

String and cord
Plastic, natural textile

String, cord and pieces of net

General nets
Plastic

Tangled nets/cord/rope and string + net repair pieces

Plastic netting for cages
Plastic

Made of UV-stabilized polyethylene

Wooden Pallets
Wood

Wooden pallets

Markers buoys
Plastic

Made of moulded PE and filled with PU or PS for additional buoyancy

Plastic drums (+ caps)
Plastic

For flotation

Plastic buckets
Plastic

Plastic buckets for seafood collection

Lug baskets and containers
Plastic

Plastic lug baskets and containers for seafood collection

Plastic fish boxes
Plastic

Fish boxes for seafood collection

Wooden fish boxes
Wood

Fish boxes for seafood collection

EPS fish boxes
Plastic

Fish boxes for seafood collection

Burlap bags
Natural textile

For seafood collection

Strapping bands
Plastic

Strapping material

Polyclips
Plastic

Strapping material

Cable ties
Plastic

Strapping material

Gloves
Plastic, rubber

Industrial/professional gloves (e.g gut gloves)

Hard hats
Plastic

Safety hats

Boots
Rubber

Safety boots / rubber boots

Other clothing
Plastic

Safety jackets, reflective jackets, pants, sweater…

PVC and HDPE pipes and containers
Plastic

For flotation and stability

Thimble
Metal

Thimble for rope attachment

Stakes
Wood

Stakes are used as growth medium

Industrial scrap
Metal

Metal materials

Plastic mesh filter tubes
Plastic

Plastic mesh filter tubes

Jerry cans
Plastic

As marker buoys or liquid container

Plastic bottles
Plastic

Plastic bottles are used as a buoy, to signal the presence of the poles

Caps of plastic bottles
Plastic

Part of bottles who are used as marker buoys

Metal drums
Metal

For flotation

Bobbins
Plastic, rubber

For flotation

Lobster and fish tags
Plastic

Identification of the cultured organisms

Oyster nets or mussel bags
Plastic

Mussel and oysters can be cultivated using a net or bags

Antipredator netting
Plastic

Antibird/Antipredator netting (made of UV-stabilized polypropylene or polyethylene, polypropylene and nylon monofilament twine

Plastic mesh bags
Plastic

PE mesh bags (for scallop spat collection)

Plastic mesh screens
Plastic

Plastic mesh screens protect organisms from predators (crabs and birds) and heatwaves (made from PE and PP)

Mussel socks/nets
Plastic (nylon) or natural textile (cotton)

Cotton or nylon mussel socks/nets for cultivation and packaging.

Lantern nets
Plastic

Lantern nets are used for spat collection

EPS buoys
Plastic

Aquaculture fisheries mainly use 60L (1.2)-kg EPS bouys that last 2-3 years. The discarded buoys become weighted down by fouling microorganisms and brine, whereas some of them fragment. EPS buoys are easily removed from nets by winds and currents, and large quantities are lost and concentrated on beaches and coasts.

Deep water buoy
Plastic

Deep water buoy to mark location of the ropes

Oyster trays
Plastic

Plastic structure from oyster cultures

Tahitians
Plastic

Plastic sheeting from mussel culture (mussel sheeting)

Heavy-duty longlines
Plastic

Sub surface longlines who smaller growth ropes together

Plastic trays
Plastic

Polyethylene trays

Oyster sticks
Wood

Wooden sticks for growth

HDPE Plastic brackets
Plastic

To hold plastic pipes together for flotation

PS floats
Plastic

For flotation

Mooring bracket
Plastic

To hold plastic pipes together for flotation

Plastic stoppers
Plastic

Plastic stoppers used in oyster and mussels nets

Pontoons
Plastic

Aquaculture pontoons and fishing net floats

Mussel cone laser marking
Metal

To mark mussel cultures

Concrete sinkers
Concrete

To hold the net cage in correct shape

Mesh bags
Plastic

Mesh bags filled with sand, gravel or small pebbles for use as sinker ballasts

Stud link chains
Steel

Stud link chains used as sinkers. Chains are preferable for use as net tensioning ballasts because of the greater weight in water of steel, compared with concrete, stones or other materials.

Polystyrene cylinders
Plastic

Inserted into the pipes for extra flotation

HDPE connection element
Plastic

HDPE connection element for sinker tube

Corner plate
Steel

Used to connect the main mooring lines and bridles

Steel rings
Steel

Used as connecting element in the grid system

Racks
Metal

Used to secure mussel and oyster bags

Diving equipment
Diverse

Used by divers during maintainance

Life jackets- life savers
Diverse

Used by operation and maintainance personal

Boat
Plastic/gum, wood

Used by operation and maintainance personal

Padlocks
Metal

Used by operation and maintainance personal

Taquets
Plastic

Taquets, or clamps, are plastic tubes used in French mussel farming to prevent mussels from collapsing or coming off at harvest time.