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- W2601519703 abstract "The assessment of blackwater fish fauna available at Kenyana River and its tributaries wasconducted from 19th March until 21 5t March 2013. The study area is a natural habitat forvariety types of blackwater fish including the Asian Arowana. In order to protect thisvaluable fish and its habitat, the area has been focus to be protected by local authority andit has been marked as sensitive area. Besides that, the area will become one of the ecotourismdestinations in Mukah area. The fish sampling were conducted in three days andfour sampling stations were chosen which located at Kenyana Lake Information Centre,Kenyana River mouth, Kenyana River and Liwak River) Monofilament gill nets were used(mesh size 5.1 cm, 7.6 cm and 10.1 cm) for fish sampl'fng. Each individual of fish caughtwere measured for total length, standard length, fork length and body weight. A total of 41individual of fish were caught with overall 7 blackwater fish species identified whichdominated by Pangasiidae (Pangasius macronemus) followed by Cyrprinidae(Anemalichlhys apogon), Notopteridae (Noloplerus chUala), Bagridae (Hemibagrusbaramensis), Helostomatidae (Helosloma lemminckii), Osteoglossidae (Scleropagesjormosus) and Siluridae (Wallago leerii). Station I (Liwak River) shows the mostindividual fish caught and the highest species diversity compared to other stations.However, the Shannon-Wiener diversity index H' in Liwak River was low with H' value0.65 and this illustrate that the fish in Kenyana River and its tributaries were in agitatedwhich might cause by the habitat disturbance in that area. As for species richness '0' inStation 1 was greater with value 1.41 as compared to the other station. Though thediversity index in Station I was high but the opposite result was shown for river waterquality. Based on Water Quality Index (WQI), Station I was categorized as Class IV(polluted) and followed by Station 2 (Class III - polluted) and Station 3 (Class III - slightlypolluted). The high value of nutrient input at Station 1 and 2 might be due to surface runoffthat contained excessive fertilizer drained into the river during raining. Though the fishpopulation was high in Station I with low water quality, this condition might due to thebiasness in sampling time frame and method used. Nevertheless, the growing agriculturalland use area especially oil palm plantation which located at the middle and upper part ofthe Kenyana Riv~r and its tributaries might influenced the river condition lead to habitatdisturbance." @default.
- W2601519703 created "2017-04-07" @default.
- W2601519703 creator A5069409080 @default.
- W2601519703 date "2013-01-01" @default.
- W2601519703 modified "2023-09-27" @default.
- W2601519703 title "Preliminary study on impact of land use on fish fauna at Kenyana river and its tributaries, Mukah, Sarawak" @default.
- W2601519703 hasPublicationYear "2013" @default.
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