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Table 3 Density (D—no. ind. m−2) of the most abundant taxa for the different sediment types

From: The effect of depth and sediment type on the spatial distribution of shallow soft-bottom amphipods along the southern Portuguese coast

VF–F

M

C–G

Maerl

Taxa

D

Taxa

D

 

D

Taxa

D

Most abundant taxa

       

Ampelisca spp.

15,740

Siphonoecetes (Centraloecetes) dellavallei

11,160

Ampelisca spp.

1,830

Caprella spp.

9,780

Harpinia antennaria

3,460

Bathyporeia spp.

2,010

Urothoe grimaldii

1,340

Lembos websteri

640

Siphonoecetes (Centraloecetes) kroyeranus

1,940

Ampelisca spp.

1,670

Atylus vedlomensis

1,230

Leptocheirus pectinatus

620

Microdeutopus armatus

1,900

Urothoe grimaldii

1,570

Urothoe poseidonis

1,050

Photis spp.

560

Urothoe elegans

1,340

Urothoe cf. hesperiae

1,380

Urothoe cf. hesperiae

910

Lysianassidae

480

Medicorophium annulatum

900

Mediorophium annulatum

1,200

Perioculodes longimanus

780

Cheirocratus sundevalli

360

Photis spp.

750

Pontocrates arenarius

810

Leptocheirus hirsutimanus

540

  

Pariambus typicus

620

  

Leptocheirus pectinatus

450

  

Leucothoe oboa

580

  

Autonoe denticarpus

440

  

Bathyporeia spp.

550

  

Megaluropus agilis

420

  

Perioculodes longimanus

500

  

Leucothoe incisa

350

  
    

Photis spp.

340

  
    

Abludomelita obtusata

340

  
    

Phtisica marina

300

  
    

Melitidae

250

  
    

Medicorophium annulatum

240

  
    

Megamphopus cornutus

220

  
    

Pontocrates altamarinus

200

  

Exclusive taxa

Apherusa bispinosa

Dexamine spinosa

Abludomelita obtusata

Gammarella fucicola

Apherusa ovalipes

Argissa hamatipes

Atylus guttatus

Caprella rapax

Medicorophium runcicorne

Harpinia crenulata

Isaeidae

Leucothoe spinicarpa

Pariambus typicus

Synchelidium haplocheles

Westwoodila rectirostris

Westwoodilla sp.

  1. Only taxa accounting for 80% of total density per sediment type are shown. Only taxa which occurred in at least two samples from a certain sediment type were considered exclusive. VFF very fine to fine sand, M medium sand, CG coarse sand to gravel