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

12 October 2025

Manaroa Litter Monitoring Group

Lynley Offen

Overview

D

3

3.0

3.0

100m x 20m

Mixed Substrate

Items per 1,000m2

357

Products

714

6967

Type Count Weight (g)
Plastic 698 3912
Resin pellets C N/A
Gardening & farming related 6 105
Safety & construction related 5 26
Plastic sheeting 2 1
Clothes pegs 2 5
Straws 1 1
Fishing nets 1 116
Mesh bags 4 9
Fishing gear 1 5
Shotgun wadding & shells 20 58
Food wrappers 3 1
Bottle caps & lids 11 206
Food containers 3 24
Bottles, drums, jerrycans & buckets > 2 L 7 217
Bottle neck rings 1 10
Unidentifiable hard plastic fragments 35 74
Plastic buoys 8 1033
Unidentifiable soft plastic fragments 38 151
Rope 550 1870
Foamed Plastic 11 85
Polystyrene insulation or packaging 11 85
Fabric & Textiles 2 2533
Clothing, towels and linen 1 390
Other cloth 1 2143
Glass & Ceramic 2 436
Bottles & jars 2 436
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