Unravelling Stock Spatial Structure of Silverside Odontesthes argentinensis (Valenciennes, 1835) from the North Argentinian Coast by Otoliths Shape Analysis
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. Sampling
2.3. Shape Analysis
2.4. Morphometric Analysis
2.5. Multivariate Analysis
3. Results
3.1. Mean Shape Features
3.2. Shape Indices
3.3. Multivariate Analysis
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Localities | Latitude | Longitude | N | TL (mm) | STL (mm) | |
---|---|---|---|---|---|---|
Mar Del Plata | MDQ | 38°02′ | 57°31′ | 57 | 209 ± 30 | 175 ± 25 |
Quequén | QQN | 38°24′ | 58°40′ | 75 | 200 ± 30 | 168 ± 25 |
Claromecó | CLM | 38°51′ | 60°04′ | 47 | 208 ± 67 | 178 ± 57 |
Monte Hermoso | MTH | 38°59′ | 61°15′ | 39 | 226 ± 68 | 191 ± 60 |
La Chiquita | LCH | 39°35′ | 62°05′ | 13 | 255 ± 99 | 214 ± 85 |
San Blas | SBL | 40°31′ | 62°16′ | 64 | 269 ± 45 | 227 ± 36 |
El Cóndor | ELC | 41°00′ | 62°48′ | 20 | 317 ± 53 | 267 ± 49 |
San Antonio Este | SAE | 40°50′ | 64°50′ | 30 | 280 ± 46 | 245 ± 41 |
Puerto Lobos | PLB | 41°51′ | 65°02′ | 19 | 334 ± 17 | 285 ± 14 |
Shape Indices | MDQ | QQN | CLM | MTH | LCH | SBL | ELC | SAE | PLB | F | p |
---|---|---|---|---|---|---|---|---|---|---|---|
Circularity | 15.06 ± 0.6 a,b | 14.73 ± 0.47 a | 14.81 ± 1.1 a,b | 15.31 ± 0.89 b,c | 14.88 ± 1.02 b,c,d | 15.82 ± 0.67 c,d,e | 16.42 ± 1.04 f | 16.19 ± 0.88 d,e,f | 16.49 ± 0.6 e,f | 23.69 | <0.001 ** |
Rectangularity | 0.73 ± 0.02 a | 0.74 ± 0.01 a | 0.74 ± 0.02 a | 0.73 ± 0.02 a | 0.73 ± 0.01 a | 0.74 ± 0.02 a | 0.72 ± 0.03 a | 0.74 ± 0.02 a | 0.74 ± 0.02 a | 1.93 | 0.0544 |
Aspect ratio | 0.63 ± 0.04 a | 0.64 ± 0.03 a | 0.63 ± 0.05 a | 0.62 ± 0.05 a | 0.65 ± 0.08 a,b | 0.59 ± 0.04 b | 0.56 ± 0.06 b,c | 0.53 ± 0.05 b | 0.53 ± 0.03 c | 20.41 | <0.001 ** |
Roundness | 0.59 ± 0.04 a | 0.59 ± 0.03 a | 0.6 ± 0.05 a | 0.58 ± 0.05 a | 0.61 ± 0.08 a,b | 0.55 ± 0.04 b | 0.52 ± 0.05 b,c | 0.53 ± 0.04 b | 0.5 ± 0.03 c | 20.06 | <0.001 ** |
Localities | MDQ | QQN | CLM | MTH | LCH | SBL | ELC | SAE | PLB | Error (%) | Total Error (%) |
---|---|---|---|---|---|---|---|---|---|---|---|
(a) Morphometric Indices (MI) (Wilks’ λ = 0.652, p < 0.001 **) | |||||||||||
MDQ | 14 | 19 | 10 | 4 | 4 | 0 | 4 | 1 | 1 | 75 | |
QQN | 9 | 42 | 18 | 4 | 0 | 1 | 1 | 0 | 0 | 44 | |
CLM | 3 | 23 | 10 | 2 | 0 | 0 | 4 | 2 | 3 | 79 | |
MTH | 6 | 7 | 8 | 6 | 1 | 1 | 5 | 3 | 2 | 85 | |
LCH | 2 | 2 | 3 | 0 | 0 | 0 | 4 | 0 | 2 | 100 | 72.25 |
SBL | 7 | 3 | 7 | 8 | 3 | 7 | 13 | 7 | 9 | 89 | |
ELC | 2 | 1 | 0 | 1 | 1 | 2 | 7 | 2 | 4 | 65 | |
SAE | 3 | 2 | 2 | 1 | 2 | 2 | 8 | 3 | 7 | 90 | |
PLB | 0 | 0 | 0 | 0 | 2 | 1 | 4 | 0 | 12 | 37 | |
(b) Wavelet coefficients (WC) (Wilks’ λ = 0.059, p < 0.001 **) | |||||||||||
MDQ | 45 | 3 | 1 | 2 | 1 | 4 | 0 | 1 | 0 | 21 | |
QQN | 3 | 67 | 2 | 1 | 0 | 2 | 0 | 0 | 0 | 11 | |
CLM | 0 | 2 | 41 | 1 | 0 | 1 | 0 | 2 | 0 | 13 | |
MTH | 0 | 0 | 2 | 34 | 1 | 1 | 0 | 1 | 0 | 13 | |
LCH | 0 | 0 | 0 | 1 | 12 | 0 | 0 | 0 | 0 | 8 | 17.86 |
SBL | 6 | 2 | 0 | 4 | 4 | 43 | 2 | 3 | 0 | 33 | |
ELC | 1 | 0 | 1 | 0 | 1 | 1 | 15 | 1 | 0 | 25 | |
SAE | 2 | 0 | 1 | 0 | 3 | 1 | 0 | 23 | 0 | 23 | |
PLB | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | |
(c) Fourier descriptors (FD) (Wilks’ λ = 0.016, p < 0.001 **) | |||||||||||
MDQ | 47 | 0 | 1 | 4 | 1 | 2 | 0 | 2 | 0 | 18 | |
QQN | 0 | 63 | 0 | 3 | 4 | 4 | 0 | 1 | 0 | 16 | |
CLM | 0 | 2 | 38 | 1 | 2 | 2 | 0 | 2 | 0 | 19 | |
MTH | 2 | 3 | 0 | 26 | 4 | 3 | 0 | 1 | 0 | 33 | |
LCH | 0 | 0 | 0 | 0 | 9 | 1 | 2 | 1 | 0 | 31 | 25.27 |
SBL | 1 | 1 | 2 | 14 | 3 | 33 | 4 | 6 | 0 | 48 | |
ELC | 0 | 0 | 1 | 0 | 1 | 2 | 16 | 0 | 0 | 20 | |
SAE | 0 | 3 | 2 | 2 | 0 | 2 | 0 | 21 | 0 | 30 | |
PLB | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | |
(d) MI + FD + WC (Wilks’ λ = 0.002, p < 0.001 **) | |||||||||||
MDQ | 55 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 4 | |
QQN | 0 | 72 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 4 | |
CLM | 0 | 0 | 45 | 0 | 0 | 1 | 0 | 1 | 0 | 4 | |
MTH | 1 | 0 | 0 | 36 | 0 | 2 | 0 | 0 | 0 | 8 | |
LCH | 0 | 0 | 0 | 0 | 11 | 2 | 0 | 0 | 0 | 15 | 7.42 |
SBL | 2 | 0 | 0 | 2 | 1 | 57 | 0 | 2 | 0 | 11 | |
ELC | 0 | 0 | 0 | 0 | 0 | 4 | 16 | 0 | 0 | 20 | |
SAE | 0 | 0 | 1 | 1 | 0 | 2 | 0 | 26 | 0 | 13 | |
PLB | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 |
Variables | Localities Groups | F. Model | p Value |
---|---|---|---|
Combined Morphometric indices, Fourier descriptors and Wavelet coefficients | MDQ, QQN, CLM vs. MTH, LCH, SBL, ELC, SAE, PLB | 36.76 | <0.0001 ** |
MDQ, QQN, CLM vs. MTH, LCH, SBL, ELC, SAE vs. PLB | 28.54 | <0.0001 ** | |
MDQ, QQN, CLM vs. MTH, LCH, SBL, ELC, SAE | 29.57 | <0.0001 ** | |
MDQ, QQN, CLM vs. PLB | 44.95 | <0.0001 ** | |
MTH, LCH, SBL, ELC, SAE vs. PLB | 15.28 | <0.0001 ** |
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Morawicki, S.; Solimano, P.J.; Volpedo, A.V. Unravelling Stock Spatial Structure of Silverside Odontesthes argentinensis (Valenciennes, 1835) from the North Argentinian Coast by Otoliths Shape Analysis. Fishes 2022, 7, 155. https://doi.org/10.3390/fishes7040155
Morawicki S, Solimano PJ, Volpedo AV. Unravelling Stock Spatial Structure of Silverside Odontesthes argentinensis (Valenciennes, 1835) from the North Argentinian Coast by Otoliths Shape Analysis. Fishes. 2022; 7(4):155. https://doi.org/10.3390/fishes7040155
Chicago/Turabian StyleMorawicki, Santiago, Patricio J. Solimano, and Alejandra V. Volpedo. 2022. "Unravelling Stock Spatial Structure of Silverside Odontesthes argentinensis (Valenciennes, 1835) from the North Argentinian Coast by Otoliths Shape Analysis" Fishes 7, no. 4: 155. https://doi.org/10.3390/fishes7040155