National Aquatic Resources Research & Development Agency (NARA)

Investigation of the Negombo estuary (Sri Lanka) brush park fishery, with an emphasis on community-based management (Record no. 9385)

MARC details
000 -LEADER
fixed length control field nam a22 7a 4500
003 - CONTROL NUMBER IDENTIFIER
control field OSt
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20181226102355.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 181214b xxu||||| |||| 00| 0 eng d
040 ## - CATALOGING SOURCE
Transcribing agency NARA
100 ## - MAIN ENTRY--PERSONAL NAME
9 (RLIN) 17476
Personal name Amarasinghe, U.S.
245 ## - TITLE STATEMENT
Title Investigation of the Negombo estuary (Sri Lanka) brush park fishery, with an emphasis on community-based management
260 ## - PUBLISHER, DISTRIBUTION, ETC.
Date of publication, distribution, etc. 2002,
Name of publisher, distributor, etc. Blackwell Science Ltd.
300 ## - PHYSICAL DESCRIPTION
Extent 41-56p.
440 ## - SERIES STATEMENT/ADDED ENTRY--TITLE
9 (RLIN) 17499
Title Fisheries Management and Ecology
Number of part/section of a work ; Vol.9
520 ## - SUMMARY, ETC.
Summary, etc. The Negombo estuary bi'ush park fishery in Sri Lanka was investigated from June 1998 to March 1999. The mean fish yield (all species) in the fishery was 12.46 t ha-1 yr_l. Fin fish species formed about 91% of the yield and the rest was formed by penaeid shrimps and crabs. Fish yield and the twig density in the brush park exhibited a second order polynomial relationship indicating a minimum yield at an intermediate value of twig density in the brush parks. The relationship between fish yield and duration of implantation of brush parks showed an optimal period of 30-40 days for high fish yields. Income levels of fishermen, availability of construction material and suitable sites for implantation of brush parks are some of the factors determining size and number of brush parks per fisherman and duration of installation. Indigenous knowledge within the fishing community about the effect of salinity variations, twig density and mangrove species used on the harvests greatly contribute to effective operation of this fishing practice. Cultivation of mangroves to obtain twigs and branches is a unique feature in this estuary. Indigenous knowledge on mangroves has led to the adoption of sound silvicultural practices. Although cultivating mono-specific mangrove stands may not increase diversity of mangrove forests, it reduces denudation of naturally occurring mangrove forests because of brush park construction, and retains habitats for other organisms. Mangrove management plans in the Negombo estuary should therefore be viewed and treated in an integrated manner that takes into account both resource and social components.<br/>
700 ## - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 17500
Personal name Amarasinghe, M.D.
700 ## - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 17501
Personal name Nissanka, C.
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type Research Papers
Source of classification or shelving scheme Dewey Decimal Classification
Holdings
Withdrawn status Lost status Damaged status Not for loan Home library Current library Shelving location Date acquired Inventory number Total Checkouts Barcode Date last seen Copy number Price effective from Koha item type
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