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 - Double Bay

15 October 2025

Envirohub Marlborough

Sara Kidston

Overview

A

6

3.0

2.0

100m x 20m

Mixed Substrate

Items per 1,000m2

15

Products

30

12200

Type Count Weight (g)
Other 15 250
Boat parts 15 250
Plastic 7 291
Resin pellets A N/A
Plastic bags 3 262
Unidentifiable hard plastic fragments 2 21
Cable ties & zip ties 1 1
Rope 1 7
Glass & Ceramic 7 11025
Bottles & jars 1 14
Construction material 6 11011
Wood 1 634
Processed timber & pallet crates 1 634

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