National Aquatic Resources Research & Development Agency (NARA)

Trophic Interactions in the Coastal Ecosystem of Sri Lanka:An ECOPATH Preliminary Approach (Record no. 9672)

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 20190126085404.0
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) 17930
Personal name Haputhantri, S.S.K.
245 ## - TITLE STATEMENT
Title Trophic Interactions in the Coastal Ecosystem of Sri Lanka:An ECOPATH Preliminary Approach
260 ## - PUBLISHER, DISTRIBUTION, ETC.
Date of publication, distribution, etc. 2008,
Place of publication, distribution, etc. Elsevier,
300 ## - PHYSICAL DESCRIPTION
Extent 304-318p.
440 ## - SERIES STATEMENT/ADDED ENTRY--TITLE
9 (RLIN) 17936
Title Estuarine Coastal and Shelf Science
Number of part/section of a work ; Vol.76
505 ## - FORMATTED CONTENTS NOTE
Formatted contents note This study attempts to assemble and summarize existing information in order to build a general representation of the trophic interactions within the shallow coastal ecosystem of Sri Lanka. A multispecific ecosystem-based approach on trophic relationships and their possible varĀ­ iations was performed using ECOPATH. Thirty-nine functional groups were considered representing all trophic levels in the food web. Time-dynamic simulation was carried out using the ECOSIM routine to evaluate the impact of the 1998 El Nino event on key functional groups. Results show that the time needed for any impacted functional group to recover to its initial abundance increased with the trophic level. Two time-series data sets derived from commercial catch and effort statistics were used for validation of ECOSIM results. The El Nino simuĀ­ lation results validated by the time-series data confirmed the ability of the proposed multispecies model to describe the sudden environmental changes. Possible impacts due to increase of fishing effort were also simulated by separately considering frequently used fishing gears. The analysis revealed that small-mesh gillnet fishery operates independently from the other existing developing fisheries in the same area and can be managed accordingly. Fishing-effort simulations suggest that the increase of fishing intensity by small-mesh gillnets would contribute to the decline of small pelagic catch. This was also found to influence the overall catch. The present level of exploitation of small pelagic fishery resources does not seem jmstainablg.
700 ## - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 17934
Personal name Villanueva, M.C.S.
700 ## - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 17935
Personal name Moreau, J.
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type Research Papers
Source of classification or shelving scheme Dewey Decimal Classification
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        NARA Main Library NARA Main Library Ready Reference 06.08.2009 RP0015   RP0015 26.01.2019 RP0015 06.08.2009 Research Papers

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