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

2 April 2026

Waitaria Bay School

Tineke Giddy

Overview

A

13

13.0

6.0

100m x 13m

Mixed Substrate

Items per 1,000m2

252

Products

328

1166

Type Count Weight (g)
Plastic 263 526
Resin pellets A N/A
Unidentifiable hard plastic fragments 36 22
Gardening & farming related 6 40
Plastic buoys 1 9
Bottle caps & lids 1 5
Hangers & retail packaging 1 3
Fishing gear 1 1
Rope 205 428
Unidentifiable soft plastic fragments 4 2
Shotgun wadding & shells 2 5
Plastic bags 2 5
Other Plastic 3 1
Mesh bags 1 5
Foamed Plastic 42 23
Polystyrene insulation or packaging 37 7
Unidentifiable foamed plastic fragments 3 1
Other Foamed Plastic 1 5
Toys, Sports & Recreation (Foamed Plastic) 1 10
Metal 9 345
Unidentifiable metal fragments 9 345
Wood 7 140
Processed timber & pallet crates 7 140
Glass & Ceramic 6 86
Glass or ceramic fragments 6 86
Rubber 1 46
Toys, Sports & Recreation (Rubber) 1 46

Materials

  • Would you like to analyse the data yourself?
  • Or share if you think this data would be interesting to others.
  • If you would like to learn how this data was collected. Our Methodology