Table 1 The values of \({\varvec{C}}_{{\varvec{i}}}\) (items/m2\(),\user2{ CCI}_{{\varvec{i}}} \user2{ }{\mathbf{values}}\), Coast index, and visual assessment of the CCI [17]
S. no. | \({\varvec{C}}_{{\varvec{i}}} \user2{ }(\)items/m2) | \({\varvec{CCI}}_{{\varvec{i}}}\) values | Coast index | Visual assessment |
|---|---|---|---|---|
1 | 0–0.1 | 2 | Very clean | No debris is seen |
2 | 0.1–0.25 | 2–5 | Clean | No debris is seen over a large area |
3 | 0.25–0.5 | 5–10 | Moderate | A few pieces of debris can be detected |
4 | 0.5–1 | 10–20 | Dirty | A lot of debris on the shore |
5 | 1 +  | 20 +  | Extremely dirty | Most of the beach is covered with plastic |