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.

Porirua Harbour - Paremata Bridge

26 August 2023

Friends of Mana Island

Margriet Lynch

Overview

B

7

7.0

7.6

30m x 9m

Mixed Substrate

Items per 1,000m2

3256

Products

879

2534

Type Count Weight (g)
Plastic 444 373
Resin pellets A N/A
Unidentifiable soft plastic fragments 112 58
Food wrappers 50 20
Plastic bags 10 37
Bottle caps & lids 28 49
Food containers 5 17
Other Plastic 1 5
Unidentifiable hard plastic fragments 120 72
Cigarettes, butts & filters 5 1
Toys, sport, & recreation (Plastic) 6 17
Fishing line 21 9
Plastic vehicle parts 1 1
Lollipop sticks 5 2
Straws 14 7
Gardening & farming related 23 45
Clothes pegs 1 2
Gloves 1 6
Strapping bands & tape 25 5
Bottle neck rings 2 2
Safety & construction related 7 15
Bottle seals & tabs 2 1
Hangers & retail packaging 4 1
Parking tickets & receipts 1 1
Glass & Ceramic 381 1385
Glass or ceramic fragments 105 348
Construction material 275 569
Bottles & jars 1 468
Fabric & Textiles 17 82
Rope, line or string (natural) 3 29
Other cloth 9 48
Unidentifiable cloth fragments 4 2
Backpacks & bags 1 3
Wood 11 527
Processed timber & pallet crates 11 527
Metal 9 137
Fishing related 6 112
Construction material 1 23
Foil wrappers 2 2
Other 6 4
Sanitary items 1 N/A
Cotton buds 2 1
Personal care items 3 3
Rubber 6 25
Rubber gloves 1 8
Unidentifiable rubber fragments 5 17
Foamed Plastic 5 1
Polystyrene cups or food packs 5 1

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