Skip to main content

Table 2 Mean density ± standard deviation of invertebrate species (ind 100 cm−2) on data pooled over four sampling seasons

From: Habitat complexity and community composition: relationships between different ecosystem engineers and the associated macroinvertebrate assemblages

 

S-M

M

B

Crustacea

 Orchestia gammarella (Pallas) 1766

7 ± 11

0.2 ± 0.7

0.04 ± 0.11

 Amphitoe valida Smith, 1873

0.01 ± 0.06

0

0.1 ± 0.4

 Melita palmata (Montagu, 1804)

0.1 ± 0.5

2 ± 5

0.1 ± 0.8

 Monocorophium insidiosum (Crawford, 1937)

0.2 ± 0.3

1 ± 3

2 ± 5

 Tanais dulongii (Audouin, 1826)

29 ± 27

44 ± 27

20 ± 24

 Exosphaeroma sp.

2 ± 6

2 ± 4

1 ± 4

 Pseudosphaeroma sp.

14 ± 12

6 ± 10

28 ± 32

 Idotea sp.

0.01 ± 0.03

0

0

 Cyrtograpsus altimanus Rathbun, 1914

2 ± 2

2 ± 2

0.3 ± 0.9

Polychaeta

 Eulalia sp.

1 ± 1

1 ± 1

0.4 ± 0.5

 Boccardia polybranchia (Haswell, 1885)

1 ± 2

9 ± 16

55 ± 34

 Scoletoma tetraura (Schmarda, 1861)

0.04 ± 0.10

0

0

 Syllidae

0.3 ± 0.6

0.1 ± 0.3

1 ± 1

 Capitellidae

0.1 ± 0.4

1.6 ± 2.5

0

 Orbiniidae

0.8 ± 1.4

1.3 ± 3.2

0.2 ± 0.5

Bivalvia

 Lasaea sp.

0.2 ± 0.4

0.1 ± 0.3

1 ± 2

 Mytilus sp.

2 ± 2

1 ± 1

0.2 ± 0.5

Gastropoda

 Siphonaria lessoni Blainville, 1824

6 ± 4

11 ± 5

14 ± 6

 Trophon geversianus (Pallas 1769)

0.01 ± 0.02

0

0

Nemertea

2 ± 3

2 ± 2

1 ± 2

Actinaria

4 ± 5

2 ± 4

0.01 ± 0.04

Ofiuroidea

0.01 ± 0.03

0.01 ± 0.03

0

Total richness

22

18

17

  1. Cordgrass–mussel-engineered habitat (S-M), mussel-engineered habitat (M), and barnacle-engineered habitat (B)