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

4 July 2021

Friends of Mana Island

Lynley Sinclair

Overview

C

3

5.8

9.0

30m x 9m

Gravel/Pebble

Items per 1,000m2

3348

Products

904

2162

Type Count Weight (g)
Plastic 607 1197
Resin pellets A N/A
Hangers & retail packaging 1 1
Gardening & farming related 1 1
Unidentifiable hard plastic fragments 138 129
Fishing line 6 56
Other Plastic 1 6
Strapping bands & tape 11 155
Bottle caps & lids 48 154
Fishing gear 1 77
Plastic bags 36 18
Unidentifiable soft plastic fragments 180 92
Food wrappers 111 144
Food containers 6 106
Bottles <= 2 L 3 54
Shotgun wadding & shells 1 5
Plastic utensils 1 79
Rope 2 3
Lollipop sticks 10 4
Plastic sheeting 1 2
Bottle seals & tabs 10 8
Safety & construction related 1 1
Toys, sport, & recreation 4 79
Straws 29 19
Pens & Stationery 5 4
Glass & Ceramic 234 588
Construction material 6 3
Glass or ceramic fragments 228 585
Other 29 4
Sanitary items 4 N/A
Cotton buds 25 4
Foamed Plastic 12 27
Polystyrene insulation or packaging 12 27
Metal 10 4
Foil wrappers 10 4
Rubber 6 62
Other Rubber (specify) 1 1
Sports & Recreation 4 3
Rubber gloves 1 58
Fabric & Textiles 3 107
Clothing, towels and linen 1 52
Rope, line or string (natural) 2 55
Wood 3 173
Processed timber & pallet crates 3 173

Materials

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