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Growth parameters of invasive gibel carp Carassius gibelio (Bloch, 1782) in Lake Marmara (Turkey)

Ali Ilhan
Ali Ilhan
, 
Hasan M. Sarı
Hasan M. Sarı
 y 
Irmak Kurtul
Irmak Kurtul
   | 26 nov 2020
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Article Category: Research Article
Publicado en línea: 26 nov 2020
Páginas: 383 - 390
Recibido: 20 feb 2020
Aceptado: 18 may 2020
DOI: https://doi.org/10.1515/ohs-2020-0033
© 2020 Faculty of Oceanography and Geography, University of Gdańsk, Poland
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Map of Lake Marmara
Map of Lake Marmara

Figure 2

Average values of the condition factor for male and female individuals of C. gibelio
Average values of the condition factor for male and female individuals of C. gibelio

LWR parameters of C. gibelio for females, males and combined sexes

Female Male Combined sex
n 809 249 1058
r 0.985 0.985 0.986
a 0.014 0.015 0.018
b 3.039 3.038 2.965
b(SE) 0.018 0.033 0.014
tcal 2.196 1.166 −2.342

Length distributions, L∞, maximum age, LWR parameters and the correlation coefficient in different studies from Turkey

Localities Author Length (cm) L∞(cm) Max age a b r
Lake Eğirdir Balık et al., 2004FL 9.0–33.0 33.30 VI 0.016 3.15 0.99
Bostancı et al. 2007b İzci 2004CA 8.2–28.1 - - - - VI 0.015 0.021 3.17 3.05 0.98 -
Özkök et al. 2007 - 38.90 - 0.016 3.12 -
Lake Bafra Bostancı et al. 2007a 16.9–30.0 - VII 0.026 2.97 0.97
Lake Beyşehir Çınar et al. 2007FL 7.1–27.4 36.20 V 0.013 3.18 0.94
Lake Uluabat Emiroğlu 2008* 8.5–33.3 36.44 VII 0.016 3.03 0.85
Lake İznik Uysal et al. 2015FL 7.8–32.2 40.00 VI 0.015 3.12 0.99
Lake Ladik Yazıcıoğlu 2013 13.4–26.5 - - 0.016 3.14 0.99
Buldan Reservoir Sarı et al. 2008 9.7–25.5 31.60 VI 0.031 2.87 0.98
Seyitler Reservoir Bulut et al. 2013*FL 14.8–32.5 48.09 VII 0.027 2.93 0.81
Topçam Reservoir Şaşı 2015FL 23.8–29.5 41.46 VI 0.036 2.88 0.99
Lake Vegoritis (Greece) Tsoumani et al. 2006 16.2–33.2 - - 0.009 3.25 0.98
Lake Trichonis (Greece) Tsoumani et al. 2006 28.0–37.7 - - 0.004 3.38 0.97
Danube River Gheorghe et al. 2012 15.0–35.0 39.38 - 0.029 2.84 0.95
İlhan et al. 2014 10.0–27.5 - - - - -
Lake Marmara İlhan & Sarı 2015* Balık et al. 1991CA 6.8–27.5 - - 36.05 - VI 0.017 0.054 2.97 2.80 0.99 0.93
This study* 10.2–27.5 35.86 VI 0.018 2.95 0.99

Age–length relationship of C. gibelio (CI: Confidence Interval; SD: Standard Deviation)

Age n Length (cm)
Min. Max Mean ± CI SD
Female I 216 10.0 14.8 12.62 ± 0.117 0.979
II 306 14.2 18.5 16.79 ± 0.108 0.958
III 235 16.8 23.5 19.43 ± 0.197 1.531
IV 32 18.2 24.8 22.23 ± 0.716 1.986
V 7 24.0 25.8 25.11 ± 0.529 0.572
VI 13 26.0 27.5 26.77 ± 0.245 0.405
Male I 195 10.2 14.0 12.04 ± 0.102 0.718
II 36 13.0 18.7 16.11 ± 0.408 1.205
III 14 17.0 21.5 19.00 ± 0.077 1.650
IV 3 18.8 23.5 21.23 ± 4.773 1.922
V 1 24.0 24.0 24.00 -
Combined sex I 411 10.0 14.8 12.34 ± 0.089 0.911
II 342 13.0 18.7 16.72 ± 0.107 1.009
III 249 16.8 23.5 19.40 ± 0.192 1.541
IV 35 18.2 24.8 22.25 ± 0.686 1.989
V 8 24.0 25.8 24.98 ± 0.542 0.650
VI 13 26.0 27.5 26.77 ± 0.245 0.405

Von Bertalanffy growth parameters of C. gibelio

n K (year−1) t0 (year) L∞ (cm)
Female 809 0.177 −1.382 36.68
Male 249 0.178 −1.573 35.40
Combined sex 1058 0.189 −1.238 35.86

Age and sex ratio of C. gibelio

Females Males Combined Sex F:M
Age n % n % n %
I 216 20.42 195 18.43 411 38.85 1:0.90
II 306 28.92 36 3.40 342 32.33 1:0.11
III 235 22.21 14 1.32 249 23.53 1:0.05
IV 32 3.02 3 0.28 35 3.31 1:0.09
V 7 0.66 1 0.09 8 0.76 1:0.14
VI 13 1.23 --- --- 13 1.23 ---
Total 809 76.47 249 23.53 1058 100.00 1:0.30
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