Data.

This dataset was collected by Citizen Scientists at an official 'Survey Area' as part of the Litter Intelligence long-term litter monitoring programme. The data are freely and openly accessible to anyone. Download the raw data, share this survey, and learn more about the data collection methodology through the links at the bottom of the page.

Litter Survey

beach-icon Beach.

Marlborough Sounds - Manaroa Head

4 April 2026

Manaroa Litter Monitoring Group

Lynley Offen

Overview

C

5

5.0

5.0

100m x 20m

Mixed Substrate

Items per 1,000m2

506

Products

1013

8342

Type Count Weight (g)
Plastic 940 3116
Resin pellets C N/A
Shotgun wadding & shells 7 19
Clothes pegs 1 2
Strapping bands & tape 11 31
Bottle caps & lids 11 35
Bottle seals & tabs 3 3
Gardening & farming related 29 64
Fishing gear 9 134
Fishing nets 2 6
Plastic sheeting 2 8
Fishing line 3 17
Unidentifiable hard plastic fragments 106 124
Cable ties & zip ties 1 1
Other Plastic 1 7
Pens & Stationery 1 3
Food wrappers 38 21
Lollipop sticks 2 1
Straws 1 3
Plastic buoys 2 19
Rope 710 2618
Glass & Ceramic 48 4332
Construction material 7 4097
Glass or ceramic fragments 41 235
Foamed Plastic 11 14
Polystyrene cups or food packs 11 14
Metal 7 345
Foil wrappers 3 15
Construction material 3 308
Unidentifiable metal fragments 1 22
Fabric & Textiles 5 389
Clothing, towels and linen 4 276
Other cloth 1 113
Wood 1 143
Processed timber & pallet crates 1 143
Rubber 1 3
Rubber footwear 1 3

Materials

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  • If you would like to learn how this data was collected. Our Methodology