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546 HOSSAIN, M.I.; RAHMAN, M.H. 22 landing centres were investigated. Interviews
(Fisheries Research Laboratory, Dept. of Zoology, were taken from 198 people and it was found
Rajshahi University, Rajshahi); NEELA, F.A. that in the Meghna river 46.16% small
(Laboratory of Plant Pathology, Dept. of Botany, motorized, 34.29% large motorized and only
Rajshahi University, Rajshahi); HUSSAIN, M.A. 1.55% non-motorized boats were engaged in
(Dept. of Fisheries, Rajshahi University, Rajshahi) hilsa fishing which were operated by 80.55%
& SUZUKI, S. (CMES, Ehime University, chandi, 18.08% khosha and 1.37% dingi boat.
Matsuyama, Japan). Distribution of Pseudomonas Types of crafts, gears and their operating system
Aeruginosa in Swamps and it's Infection to in different season of the study area, major
Oreochromis Niloticus. J. Bio-Sci., 2006, 14, 77- characteristics of the fishing gears and daily
81. unload in the landing centres were recorded. The
total capture of hilsa fishery in Meghna river
The bacterial load, Pseudomonas aeruginosa and were compared with some other major rivers and
their artificial infection to Oreochromis niloticus also with the total capture of the country. The
were studied in water of four swamps in the river contributed about 58.26% of total hilsa
Rajshahi University campus during November, catch of the country. The Meghna river was
2001 to October, 2002. The load of P. aeruginosa identified as important river from where the
5
6
was found to vary from 6.80 × 10 to 5.08 × 10 maximum catch of the total inland hilsa fishery
–1
ml . In artificial infection to Oreochromis comes. Unfortunately the lion portion of hilsa
niloticus, the mortality rates was recorded at 90, capture comes from jatka (young hilsa). In the
8
7
50, 30, 20 and 0% at 1.92 × 10 , 1.92 × 10 , 1.92 × conclusion, the study proposed some suggestions
4
5
6
-1
10 1.92 × 10 and 1.92 × 10 CFU fish ml , to conserve and develop hilsa fishery in the
respectively. The average bacterial load in the Meghna river adjacent to Bhola district.
6
–1
swamps (1.92 × l0 CFU ml ) was slightly higher
than that prevailed in the control pond (1.90 × 10 6 548 ISLAM, A.B.M.W. (Dept. of Botany, Govt.
–1
CFU ml ). Swamps can be utilized at the present B.L. College, Daulatpur, Khulna); MANIRA,
bacterial load for the fish culture. M.S. (Refrigeration & Airconditioning, Satkhira
Polytechnique Institute, Sathkira); RAHMAN,
547 HUQ, K.A.; FERDOUS, K.S.; BASAK, M.M. (Environmental Science Discipline, Khulna
B.K. & ALI, M.Y. (Fisheries and Marine University, Khulna) & ZAMAN, M. (Dept. of
Botany, Rajshahi University, Rajshahi).
Resource Technology Discipline, Khulna
University, Khulna). Status of hilsa fishery in the Zooplankton of Two Shrimp Ghers at Khulna,
Meghna river adjacent to Bhola district. Bang. J. Bangladesh. South Asian J. Agric., 2007, 2(1 & 2),
Life Sci., 2006, 18(2), 97-105. 117-122.
Status of hilsa fishery in the Meghna river Zooplankton of two Ghers has been studied
monthly round the year. The 16 genera of
adjacent to Bhola district of Bangladesh was
investigated during July 2002 to June 2003. A zooplunkton was recorded in Gher-l were
total of 66 boat owners, 66 crews/head represented by Cyclops, Diaptomus, Eucyclops,
fishermen, 66 labour fishermen and 37 arotdars, Mesocyclops, Moina, Asplanchna, Brachionus,
few NGO workers, Government officials and Fillinia, Keratella, Lecane, Lepadelia, Monostyla
local leaders were selected randomly for field Nothalca, P'latyias, Polyarthra, and Tricocerca. In
Gher-2 identified 11 genera ol zooplankton were
survey and data collection. Moreover, a total of
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