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 December 2020

Friends of Mana Island

Rosemary McCarthy

Overview

C

7

7.2

10.4

30m x 9m

Gravel/Pebble

Items per 1,000m2

3170

Products

856

8526

Type Count Weight (g)
Plastic 470 843
Resin pellets A N/A
Bottle neck rings 3 2
Lollipop sticks 13 6
Plastic bags 10 79
Toys, sport, & recreation 15 21
Safety & construction related 2 39
Unidentifiable soft plastic fragments 78 30
Strapping bands & tape 11 9
Plastic utensils 3 10
Gardening & farming related 4 9
Unidentifiable hard plastic fragments 115 90
Parking tickets & receipts 1 1
Bottles <= 2 L 3 152
Cable ties & zip ties 1 1
Fishing line 2 5
Hangers & retail packaging 4 3
Bottle caps & lids 18 44
Food wrappers 117 76
Rope 19 98
Clothes pegs 7 19
Food containers 6 41
Pens & Stationery 5 18
Mesh bags 2 57
Straws 19 13
Shotgun wadding & shells 1 4
Bottle seals & tabs 5 1
Cigarettes, butts & filters 4 2
Gloves 2 13
Glass & Ceramic 209 1189
Construction material 148 994
Glass or ceramic fragments 61 195
Other 135 45
Personal care items 2 21
Cotton buds 114 24
Sanitary items 19 N/A
Wood 13 6336
Other Wood (specify) 1 6
Processed timber & pallet crates 12 6330
Rubber 10 32
Rubber gloves 1 8
Sports & Recreation 9 24
Foamed Plastic 8 9
Polystyrene insulation or packaging 3 3
Unidentifiable foamed plastic fragments 4 5
Foam glazier spacers 1 1
Paper & Cardboard 5 33
Tetrapaks 2 9
Cups, food trays & wrappers 3 24
Metal 3 21
Metal Bottle caps, lids & pull tabs 1 3
Fishing related 1 2
Aluminium drink cans 1 16
Fabric & Textiles 3 18
Unidentifiable cloth fragments 2 2
Rope, line or string (natural) 1 16

Materials

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