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

10 July 2022

Friends of Mana Island

Rosemary McCarthy

Overview

D

7

10.5

13.4

30m x 9m

Gravel/Pebble

Items per 1,000m2

9063

Products

2447

9740

Type Count Weight (g)
Plastic 2105 4225
Parking tickets & receipts 3 6
Mesh bags 1 3
Gloves 1 4
Cosmetics and medical packaging 10 35
Cigarette lighters 3 23
Bottles, drums, jerrycans & buckets > 2 L 2 45
Strapping bands & tape 45 29
Unidentifiable hard plastic fragments 458 598
Unidentifiable soft plastic fragments 628 878
Clothes pegs 10 24
Lollipop sticks 68 36
Food wrappers 342 431
Straws 68 78
Bottle caps & lids 184 384
Bottle neck rings 49 18
Shotgun wadding & shells 6 13
Bottles <= 2 L 3 120
Toys, sport, & recreation (Plastic) 18 219
Food containers 34 434
Rope 29 142
Plastic utensils 5 10
Cigarettes, butts & filters 1 1
Safety & construction related 25 234
Fishing gear 16 79
Hangers & retail packaging 7 42
Gardening & farming related 4 21
Bottle seals & tabs 23 8
Fishing line 4 3
Cable ties & zip ties 4 3
Pens & Stationery 14 30
Plastic bags 40 274
Resin pellets C N/A
Glass & Ceramic 175 1160
Glass or ceramic fragments 51 214
Construction material 124 946
Other 84 34
Personal care items 5 22
Sanitary items 16 N/A
Cotton buds 63 12
Foamed Plastic 48 163
Foam sponge 2 23
Polystyrene insulation or packaging 26 120
Foam glazier spacers 2 1
Toys, Sports & Recreation (Foamed Plastic) 2 11
Polystyrene cups or food packs 16 8
Rubber 19 149
Toys, Sports & Recreation (Rubber) 7 20
Unidentifiable rubber fragments 10 2
Rubber gloves 1 3
Rubber footwear 1 124
Wood 7 3591
Corks 1 5
Processed timber & pallet crates 6 3586
Fabric & Textiles 4 349
Unidentifiable cloth fragments 3 192
Clothing, towels and linen 1 157
Paper & Cardboard 3 53
Cups, food trays & wrappers 3 53
Metal 2 16
Metal Bottle caps, lids & pull tabs 1 1
Aluminium drink cans 1 15

Materials

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