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

23 April 2025

Manaroa Litter Monitoring Group

Lynley Offen

Overview

D

4

4.0

4.0

100m x 20m

Mixed Substrate

Items per 1,000m2

488

Products

977

4062

Type Count Weight (g)
Plastic 936 1594
Resin pellets D N/A
Shotgun wadding & shells 13 37
Bottles <= 2 L 1 22
Bottle caps & lids 3 10
Lollipop sticks 2 1
Straws 1 1
Food containers 2 55
Plastic buoys 12 58
Bottle seals & tabs 4 3
Food wrappers 8 3
Unidentifiable soft plastic fragments 32 14
Hangers & retail packaging 1 10
Fishing gear 18 27
Unidentifiable hard plastic fragments 119 87
Gardening & farming related 3 78
Cable ties & zip ties 2 7
Rope 715 1181
Foamed Plastic 17 22
Polystyrene insulation or packaging 11 11
Polystyrene cups or food packs 3 1
Unidentifiable foamed plastic fragments 3 10
Glass & Ceramic 14 1871
Bottles & jars 13 454
Construction material 1 1417
Wood 5 513
Processed timber & pallet crates 4 504
Corks 1 9
Metal 4 61
Unidentifiable metal fragments 2 7
Foil wrappers 2 54
Rubber 1 1
Toys, Sports & Recreation (Rubber) 1 1

Materials

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