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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