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Ichthyoplankton community of the Dardanelles Strait, Turkey Cover

Ichthyoplankton community of the Dardanelles Strait, Turkey

Oceanological and Hydrobiological Studies
Volume 46 (2017): Issue 3 (September 2017)
By:  and    
Open Access
|Sep 2017
Figures & tables

Figures & Tables

Figure 1

Study area and sampling stations

Table 1

Abundance and seasonal variations of ichthyoplankton species in different embryonic development stages in the Dardanelles between March 2012 and February 2013

SPECIESSEASON
SPRINGSUMMERAUTUMNWINTER
EGGPRPLEGGPRPLEGGPRPLEGGPRPL
Arnoglossus laterna10055200010005100
Blennius ocellatus0010000000000
Boops boops11001000000078000
Buglossidium luteum100040000002000
Callionymus lyra2003000100002000
Centrolophus niger*000000000001*
Coris julis15100020010000000
Ctenolabrus rupestris00030000000010
Dicenthrarchus labrax0000000000010
Diplodus annularis420001030010000000
Diplodus sargus0000000001000
Engraulis encrasicholus30302080402940010000
Eutrigla gurnardus*000001*000000
Gaidropsarus mediterraneus130000001100082000
Gobius niger003000100000010
Helicolenus dactylopterus0000000001000
Hippocampus hippocampus0000010000000
Liza saliens1000000000000
Merlangius merlangus1000000000121000
Merluccius merluccius000000100022000
Microchirus variegatus40002000000000
Micromesistius poutassou00000000012000
Mugil cephalus0001000000000
Mullus barbatus barbatus56400016200000000
Mullus surmuletus102000000000000
Naucrates ductor580000000010000
Pegusa lascaris00000010001000
Pomatoschistus minutus0000000100000
Sarda sarda*0002*00000000
Sardina pilchardus200269400017820033202912
Scomber japonicus4000000000000
Scomber scombrus400000000010000
Scorpaena porcus100050010000000
Serranus cabrilla84112411000000000
Serranus hepatus150002000000000
Serranus scriba10002000000000
Solea solea2000000000000
Sparus aurata3000000000000
Spicara maena*0000002*00000
Sprattus sprattus1000000100102274125590
Symphodus ocellatus4000000000000
Symphodus rostratus1000000000000
Symphodus tinca0001002000019000
Trachinus draco10010000000000
Trachurus trachurus50010130011000000
Trigla lucerna300000000018000
Lepidotrigla cavillone*1*00000000000
Uronoscopus scaber6000000000000
Total Abundance1443873270650403841930102029902284131

The calculated densities were considered to represent the minimum ichthyoplankton density per 1000 m3 from horizontal tows.

* Refers to species that were sampled only by vertical tows and the density unit of these species reflects number of individuals. PR refers to prelarvae and PL refers to postlarvae.

* Refers to species that were sampled only by vertical tows and the density unit of these species reflects number of individuals. PR refers to prelarvae and PL refers to postlarvae.

* Refers to species that were sampled only by vertical tows and the density unit of these species reflects number of individuals. PR refers to prelarvae and PL refers to postlarvae.

* Refers to species that were sampled only by vertical tows and the density unit of these species reflects number of individuals. PR refers to prelarvae and PL refers to postlarvae.

* Refers to species that were sampled only by vertical tows and the density unit of these species reflects number of individuals. PR refers to prelarvae and PL refers to postlarvae.

* Refers to species that were sampled only by vertical tows and the density unit of these species reflects number of individuals. PR refers to prelarvae and PL refers to postlarvae.

* Refers to species that were sampled only by vertical tows and the density unit of these species reflects number of individuals. PR refers to prelarvae and PL refers to postlarvae.

Figure 2

(A) fish egg density, (B) larval fish density, (C) Shannon-Wiener Index H for fish eggs, (D) Shannon-Wiener Index H for larval fish assemblages between March 2012 and February 2013. Egg and larval fish abundance are standardized by volume of water filtered (number of eggs or larvae per 1000 m3).

Table 2

Temporal variation in the abundance, species richness and values of some biodiversity indices for fish eggs and larvae

Numeric dataStageMarchAprilMayJuneJulyAprilSeptemberOctoberNovemberDecemberJanuary 13February 13
IndividualsEgg423497110819126047391328435368233
Larvae5719174414692752296
Species richnessEgg131615231016834579
Larvae4541137632212
Abundance (ind. 1000 m−3)Egg2642074034401038025016022070170020021001290
Larvae360130802107024090200103020
Dominance (D)Egg0.65260.15530.37180.22220.22940.10190.31490.72780.87360.5690.46720.6483
Larvae0.72480.44040.38410.14770.74490.78450.61590.440.50.510.7222
Shannon-Wiener Index (H)Egg0.85372.1981.4391.811.8162.4981.4530.5360.28970.92211.010.7782
Larvae0.54411.1291.1152.1070.50910.55210.87650.95030.69310.693100.4506
Pielou’s evenness component (J’)Egg0.33280.79260.53140.57720.78850.90110.69890.48790.2090.57290.51890.3542
Larvae0.39250.70120.80440.87870.46340.28370.48920.8651100.65
DOI: https://doi.org/10.1515/ohs-2017-0027 | Journal eISSN: 1897-3191 | Journal ISSN: 1730-413X
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Language: English
Page range: 253 - 259
Submitted on: Oct 13, 2016
Accepted on: Feb 10, 2017
Published on: Sep 27, 2017
Published by: University of Gdańsk
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
fish eggs,
fish larvae,
temporal variation,
biodiversity,
northeastern Aegean Sea
Related subjects:
Chemistry,
Chemistry, other,
Geosciences,
Geosciences, other,
Life sciences,
Life sciences, other

© 2017 İsmail Burak Daban, Ahsen Yüksek, published by University of Gdańsk
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Volume 46 (2017): Issue 3 (September 2017)
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