Stock’s Status of Elongate Glass-Perchlet Chanda nama in the Ganges River (Bangladesh): Suggestions for Future Proper Management
Md. Asadujjaman1, Md. Yeamin Hossain2*, Most. Farida Parvin3, Most. Shakila Sarmin2, Fairuz Nawer2, Wasim Sabbir4, Md. Ashekur Rahman2, Nur-E-Farjana Ilah2, Md. Joynal Abedin5, Md. Abdus Samad6 and Gitartha Kaushik7
1Department of Aquaculture, Khulna Agricultural University, Khulna 9100, Bangladesh; 2Department of Fisheries, University of Rajshahi, Rajshahi 6205, Bangladesh; 3Institute of Environmental Science (IES), University of Rajshahi, Rajshahi 6205; Bangladesh; 4Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna 9208, Bangladesh; 5Department of Zoology, Carmichael College, National University, Bangladesh; 6Department of Fisheries and Marine Bioscience, Jashore University of Science and Technology, Jashore 7408, Bangladesh; 7Department of Zoology, Rangapara College, Sonitpur, Assam 784505, India.
*Correspondence | Md. Yeamin Hossain, Department of Fisheries, University of Rajshahi, Rajshahi 6205, Bangladesh; Email:
[email protected]
Figure 1:
Growth pattern of Chanda nama in the Ganges River, Bangladesh.
Figure 2:
Powell-Wetherall regression plot, equation is Y = 1.03–0.255X, r = 0.922 (L∞ = 26.39 cm and Z/K = 2.92).
Figure 3:
K-scan routine with growth performance indices in Chanda nama from the Ganges River, Bangladesh.
Figure 4:
von Bertalanffy growth curve for Chanda nama in the Ganges River, Bangladesh.
Figure 5:
Growth curve of Chanda nama based onVBGF computed growth parameters in the Ganges River, Bangladesh.
Figure 6:
Length-converted catch curve for Chanda nama in the Ganges River, Bangladesh.
Figure 7:
Recruitment pattern of Chanda nama in Ganges River estimated from field data.
Figure 8:
Yield-per-recruit and average biomass per recruit models for Chanda nama.
Figure 9:
Isopleths, showing optimum fishing activity both in terms of fishing effort and size of first capture.
Figure 10:
Probability of capture, showing 25%, 50% and 75% selection length of Chanda nama.
Figure 11:
Length-Structured Virtual Population Analysis of Chanda nama in the Ganges River, Bangladesh.