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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

17 February 2024

Friends of Mana Island

Margriet Lynch

Overview

C

8

8.0

12.0

30m x 9m

Sand

Items per 1,000m2

4044

Products

1092

2514

Type Count Weight (g)
Plastic 803 671
Resin pellets A N/A
Cigarettes, butts & filters 2 2
Cigarette lighters 2 30
Other Plastic 1 8
Food wrappers 98 76
Lollipop sticks 13 7
Straws 13 6
Rope 226 16
Bottle caps & lids 47 72
Unidentifiable soft plastic fragments 92 56
Toys, sport, & recreation (Plastic) 15 13
Bottle seals & tabs 9 4
Plastic bags 27 119
Hangers & retail packaging 3 23
Bottle neck rings 6 2
Shotgun wadding & shells 6 2
Safety & construction related 10 60
Fishing line 3 4
Pens & Stationery 1 2
Unidentifiable hard plastic fragments 215 101
Gardening & farming related 5 45
Food containers 2 11
Clothes pegs 1 3
Strapping bands & tape 6 9
Glass & Ceramic 245 510
Glass or ceramic fragments 39 78
Construction material 206 432
Other 12 11
Cotton buds 9 5
Sanitary items 2 N/A
Personal care items 1 6
Foamed Plastic 12 5
Unidentifiable foamed plastic fragments 12 5
Wood 12 1313
Wooden utensils 1 1
Processed timber & pallet crates 11 1312
Metal 5 3
Unidentifiable metal fragments 1 1
Foil wrappers 4 2
Rubber 3 1
Rubber bands 3 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

Previous survey in this area

Porirua Harbour - Paremata Bridge Friends of Mana Island
02 Dec, 2023
Items per 1,000m2
5126
64%