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Table 12 Counts and percentages of articles on decommissioning by Outcome—level 2 category

From: Evidence for the effects of decommissioning man-made structures on marine ecosystems globally: a systematic map

Outcome categories (level 1–level 2)

Count of articles on decommissioning

Percentage of articles on decommissioning*

Species or biological

44

77.19%

 Abundance, density, or % cover

28

49.12%

 Biomass

18

31.58%

 Condition, health, or injury

2

3.51%

 Fecundity, Reproductive output (incl fertility, hatchling success), egg/sperm quality, or recruitment

3

5.26%

 Genetic (allele frequency, connectivity, genotype/phenotpy, genetic variation)

2

3.51%

 Range or distribution or larval dispersal/connectivity

7

12.28%

 Sex ratio

1

1.75%

 Size/growth, or age

17

29.82%

 Survival/mortality

2

3.51%

Ecological or community

20

35.09%

 Community composition or structure

14

24.56%

 Diversity (H, J, Δ, richness, genetic)

19

33.33%

 Trophic structure

3

5.26%

Functional

6

10.53%

 Predation, Herbivory, or Diet composition

4

7.02%

 Productivity

2

3.51%

Physical or Chemical

6

10.53%

 Biochemistry (chl-a, nutrients, metals…)

2

3.51%

 Hydrodynamism

1

1.75%

 Sedimentation

3

5.26%

Habitat

4

7.02%

 Habitat quantity, quality or extant (artificial)

1

1.75%

 Habitat quantity, quality or extant (natural)

3

5.26%

Social or cultural

5

8.77%

 Frequency, duration or rates of visits (e.g. recreation or tourism)

1

1.75%

 Other attitude, perception or value metrics

4

7.02%

Economic

2

3.51%

 Financial gain or loss (individuals or organisations)

2

3.51%

Grand Total (level 2)*

139

 
  1. *Grand total may be greater than the number of unique articles (N = 57), and percentages may add up to more than 100%, as some articles contains studies spanning multiple Outcome categories