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 North

3 September 2025

Waitaria Bay School

Tineke Giddy

Overview

B

10

10.0

9.0

100m x 20m

Mixed Substrate

Items per 1,000m2

220

Products

441

8193

Type Count Weight (g)
Plastic 389 727
Resin pellets D N/A
Gardening & farming related 23 126
Bottle caps & lids 6 3
Bottles <= 2 L 1 49
Shotgun wadding & shells 6 13
Plastic bags 27 12
Unidentifiable hard plastic fragments 222 35
Fishing gear 10 27
Cosmetics and medical packaging 1 102
Pens & Stationery 1 1
Clothes pegs 1 1
Food containers 1 2
Rope 90 356
Foamed Plastic 33 2
Polystyrene insulation or packaging 33 2
Wood 17 7400
Processed timber & pallet crates 17 7400
Glass & Ceramic 1 25
Bottles & jars 1 25
Metal 1 39
Other Metal 1 39

Materials

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