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| Content Provider | Springer Nature Link |
|---|---|
| Author | Pal, Amar Mir, Javaid Iqbal Dwivedi, Arvind Kumar Jena, Joykrushna Sarkar, Uttam Kumar |
| Copyright Year | 2014 |
| Abstract | Catla catla (Hamilton, 1822) is a commercially important freshwater cyprinid distributed widely in India and adjacent countries. In total 142 specimens of C. catla were collected from three geographically separate watersheds of Ganga basin. A truss network was constructed by interconnecting 12 landmarks to yield 30 distance variables that were extracted from digital images of specimens using tpsDig2 and PAST software. Transformed truss measurements were subjected to univariate analysis of variance, factor analysis and discriminant function analysis (DFA). A total of 28 distance variables exhibited significant differences between the populations. The principal component analysis generated seven components explaining 86.40 % of total intraspecific variance in populations. By applying step-wise DFA, 100 % of the specimens were classified into their original populations (98.5 % under a ‘leave-one-out’ procedure). The occurrence of distinct populations may be due to differences in physical and ecological parameters of the three tributaries of the Ganga basin. |
| Starting Page | 1005 |
| Ending Page | 1012 |
| Page Count | 8 |
| File Format | |
| ISSN | 03698211 |
| Journal | Proceedings of the National Academy of Sciences, India Section B: Biological Sciences |
| Volume Number | 84 |
| Issue Number | 4 |
| e-ISSN | 22501746 |
| Language | English |
| Publisher | Springer India |
| Publisher Date | 2014-02-11 |
| Publisher Place | India |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Life Sciences Discriminant function analysis Plant Biochemistry Nucleic Acid Chemistry Shape morphometrics Behavioural Sciences Truss box network Catla catla |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Science Agricultural and Biological Sciences |
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