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

25 March 2025

Manaroa Litter Monitoring Group

Lynley Offen

Overview

C

2

2.0

2.0

100m x 20m

Mixed Substrate

Items per 1,000m2

318

Products

637

2607

Type Count Weight (g)
Plastic 589 942
Resin pellets C N/A
Rope 484 537
Toys, sport, & recreation (Plastic) 1 40
Shotgun wadding & shells 2 4
Strapping bands & tape 2 2
Bottles, drums, jerrycans & buckets > 2 L 2 191
Plastic buoys 9 57
Gardening & farming related 17 31
Bottle caps & lids 5 7
Unidentifiable soft plastic fragments 21 2
Food wrappers 4 1
Unidentifiable hard plastic fragments 34 18
Food containers 2 10
Safety & construction related 1 2
Plastic bags 3 13
Other Plastic 1 18
Fishing gear 1 9
Glass & Ceramic 42 790
Bottles & jars 40 755
Glass or ceramic fragments 2 35
Wood 4 874
Processed timber & pallet crates 4 874
Foamed Plastic 2 1
Polystyrene cups or food packs 2 1

Materials

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