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

12 October 2024

Friends of Mana Island

Rosemary McCarthy

Overview

C

4

5.3

8.5

30m x 9m

Gravel/Pebble

Items per 1,000m2

3707

Products

1001

10190

Type Count Weight (g)
Plastic 796 1163
Resin pellets B N/A
Straws 41 20
Food wrappers 169 83
Clothes pegs 5 12
Unidentifiable soft plastic fragments 161 51
Bottle caps & lids 77 150
Strapping bands & tape 19 17
Pens & Stationery 7 8
Plastic bags 34 135
Bottle neck rings 11 1
Hangers & retail packaging 2 1
Gloves 2 11
Safety & construction related 29 143
Bottles <= 2 L 2 62
Plastic utensils 1 1
Food containers 14 123
Unidentifiable hard plastic fragments 156 133
Gardening & farming related 5 11
Fishing line 4 6
Toys, sport, & recreation (Plastic) 13 55
Rope 18 123
Bottle seals & tabs 12 6
Lollipop sticks 10 3
Cigarettes, butts & filters 1 1
Vapes 3 7
Glass & Ceramic 131 522
Glass or ceramic fragments 131 522
Wood 19 8265
Processed timber & pallet crates 17 8248
Other Wood (specify) 1 9
Fishing traps and pots 1 8
Metal 17 40
Construction material 1 10
Fishing related 10 14
Aluminium drink cans 2 13
Foil wrappers 4 3
Other 16 12
Personal care items 2 11
Cotton buds 8 1
Sanitary items 6 N/A
Foamed Plastic 14 21
Polystyrene insulation or packaging 11 4
Foam sponge 3 17
Fabric & Textiles 4 19
Unidentifiable cloth fragments 4 19
Paper & Cardboard 3 147
Cardboard boxes 1 124
Tetrapaks 2 23
Rubber 1 1
Rubber bands 1 1

Materials

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