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Determination of functional structure of soft-bottom marine macrobenthic communities of the Samsun Shelf Area using biological traits analysis Cover

Determination of functional structure of soft-bottom marine macrobenthic communities of the Samsun Shelf Area using biological traits analysis

By:  and    
Open Access
|Dec 2021

Figures & Tables

Figure 1

Benthic sampling stations and substations in the Samsun Shelf Area

Table 1

List of traits and categories used in BTA

TraitsNo.CategoryTrait code
Maximum size (mm)1< 10S1
211–20S2
321–100S3
4101–200S4
5201–500S5
6> 500S6
Bioturbation1Diffusive mixerB1
2Surface depositionB2
3Upward conveyorB3
4Downward conveyorB4
5NoneB5
Morphology1SoftM1
2TunicM2
3ExoskeletonM3
4CrustoseM4
5CushionM5
6StalkedM6
Longevity (year)1< 1L1
21–2L2
33–10L3
4> 10L4
Larval development strategy1Pelagic/planktotrophicLD1
2Pelagic/lecithotrophicLD2
3Benthic (direct)LD3
Reproduction type1AsexualRT1
2Sexual/eggs (pelagic)RT2
3Sexual/eggs (benthic)RT3
4Sexual/brood eggsRT4
Living habit1Tube-dwellingLH1
2Burrow-dwellingLH2
3Free livingLH3
4Crevice/under stoneLH4
5Epi/endo zoic/phyticLH5
6Attached to seabedLH6
Sediment position1SurfaceSP1
2Shallow infauna (0–5 cm)SP2
3Mid-depth infauna (5–10 cm)SP3
4Deep infauna (> 10 cm)SP4
Feeding mode1SuspensionFM1
2Surface depositFM2
3Subsurface depositFM3
4Scavenger/opportunistFM4
5PredatorFM5
6ParasiteFM6
Mobility1SessileMob1
2SwimMob2
3Crawl/creep/climbMob3
4BurrowerMob4
Table 2

Correlation ratios of traits on the first two FCA axes for all seasons

winterspringsummerautumn
Correlation ratiosRS1RS2RS1RS2RS1RS2RS1RS2
Relative inertia (%)3526292030213226
Maximum size0.54900.16150.35970.12830.28740.05710.38900.5323
Bioturbation0.00900.02710.01420.11170.13210.18150.06200.0312
Morphology0.00920.05040.00680.03370.04460.22540.00320.0043
Longevity0.46680.15310.23450.18970.07580.05420.29160.2357
Larval development strategy0.31420.06330.19130.05910.01220.10980.29440.1232
Reproduction type0.46100.40370.39050.41110.24640.05620.48060.2636
Living habit0.21980.13120.10990.14870.10820.19580.14240.0241
Sediment position0.12600.35580.38860.28920.23970.14330.31680.6197
Feeding mode0.17120.23870.17830.03860.18420.04150.17410.0847
Mobility0.04120.19000.23430.04380.20130.00710.81810.4361
Figure 2

Factor map showing the ordination of 48 modalities of 10 biological traits and factor map of sampling stations obtained by FCA for winter (d = 1 or d = 0.5 is a distance scale indicating the length of sides of gray squares)

Figure 3

Factor map showing the ordination of 48 modalities of 10 biological traits and factor map of the sampling stations obtained by FCA for spring

Figure 4

Factor map showing the ordination of 48 modalities of 10 biological traits and factor map of the sampling stations obtained by FCA for summer

Figure 5

Factor map showing the ordination of 48 modalities of 10 biological traits and factor map of the sampling stations obtained by FCA for autumn

ÖzellikSMLLDRTLHSPFMMobB
Kategori123456123456123412312341234561234123456123412345
  Terebellides003000300000012000300303000003000030000100011000
  Nephtys003100300000002030003000030000310000330020330000
  Phyllodoce000222300000001033003000030001000000330001001000
Palaeonemertea011000300000032033303300030002310000230003011000
Paraonidae003000300000011000100020030000300021000000110000
  Capitella003300300000010033300133100000300003000100030100
Capitellidae003330300000010011101133310000300003000100000100
  Nereis003330300000001001303000100001111130330001110010
  Melinna030000300000030003002003000000200030000100001000
  Micronephthys003100300000002030003000030000310000330020330000
Lineidae000002300000001000110100030002310000130013011000
  Harmothoe023000300000011030000031030102000000030001001000
  Phoronida003300300000010030000013000011100300000300000003
  Upogebia000300003000003030000030310000003333000003333000
  Brachynotus003000003000001030000030310000003033000003333000
  Diogenes300000003000000330030000030210001200000300000210
  Amphiura000300003000000330003000031000300330000003333000
  Ampelisca330000003000030000300030100003300330000012111000
  Apseudidae300000003000010000300030033303000330000002001000
  Iphinoe300000003000030000300030130003100030000030111000
  Leuconidae220000003000310000300030030002300300000013111000
  Cyclope310000003000001000300300030003300030300003303000
  Nassarius033000003000000330000300030003000000300003001000
Anthozoa111111300000001020133010000333000300030300000003
  Balanus033000003000003030000030000033000300000300001000
  Chamelea003000003000000330003000300000300300000300003000
  Anadara003000003000003130003000030001000300000300001000
  Abra030000003000033030003000300000300133000300001000
  Pitar003000003000001230003000300000010300000300010000
  Donax003000003000001030003000300000010300000300011000
  Mytilus003000003000000130003000000033000300000300003000
  Lucinella030000003000001030003000200000300300000300001000
  Spisula003000003000000330003000300000300300000300001000
  Striarca022000003000003030003000030003100300000301030000
  Papillicardium033000003000000330003000300000030300000300001000
  Gouldia030000003000001210001000300000100300000100001000
  Rotaliida300000003000110000110100110111110110110100011000
  Gammaropsis300000003000030000300033000003000030000012001000
  Crangon003000003000003030000030030003000000030030001000
  Corophium300000003000300000300030300001300130000012111000
Molgulidae033000030000011001001000003333000300000300000003
  Calyptraea300000003000001000300030000013000030000003003000
Retusidae320000003000001020000200020000200000020002221000
Hydrobiidae300000003000003030000300030003000030000003003000
  Pectinaria001000300000011030003003000000110003000300000300
  Mysta003000300000011013003000033001000000330001001000
Spionidae111100300000010030112023310100100131000100001000
  Magelona003000300000003030003000330000300230000000330000
  Acanthocardia003000003000000330003000300000300300000300001000
  Modiolula030000003000000130003000000033000300000300001000
  Rapana003100000300002122030000300230003110000033000330
  Gammarus030000003000300000300030031003300030010012001000
Lepidopleurina120000003000001030000300000033000030000003000001
DOI: https://doi.org/10.2478/oandhs-2021-0040 | Journal eISSN: 1897-3191 | Journal ISSN: 1730-413X
Language: English
Page range: 473 - 487
Submitted on: Apr 19, 2021
Accepted on: Jul 1, 2021
Published on: Dec 3, 2021
Published by: University of Gdańsk
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2021 Ayşe Van, Aysun Gümüş, published by University of Gdańsk
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.