BUKU ABSTRAK - Universiti Putra Malaysia

Agriculture
Chlorophyll and SST Analyses from Satellite Remote Sensing
Assoc. Prof. Dr. Abdul Rashid Mohamed Shariff
Harib Al-Habsi and Dr. Tan Chun Knee
Faculty of Engineering, University Putra Malaysia,
43400 UPM Serdang, Selangor, Malaysia.
+603-8946 7543; rashidpls3@gmail.com
This research studies the biological productivity of the Northwestern Arabian Sea. This has been investigated
by the Sea-viewing Wide Field-of -view Sensor (SeaWiFS) and Moderate Resolution Imaging Spectroradiometer
(MODIS) ocean color remote sensing for the period January 2004 to December 2008. Synoptic data and
observations of chlorophyll-a and Sea Surface Temperature (SST) were drawn along Omani coastal regions, with
emphases on six stations, two in the Gulf of Oman (station 1 and 2), and three in the Arabian Sea southern coast of
Oman (stations 3-6).The regions of high biological productivity were identified at the three stations in the Arabian
Sea at southern coast of Oman particularly at inshore locations with high values of chlorophyll-a, and low values
of SST which are ideal values representing regions of high biological productivity. On the other hand the two
stations at the Gulf of Oman representing less biological productivity regions inshore, alternatively regions at
offshore showed high biological productivity values. Recurrent and similar fluctuation patterns of stations (1 and
2), (3 and 4), and (5 and 6) indicated that the similar stations were sharing similar body of water, therefore leading
to the recommendation for reducing the number of sampling stations.
Keywords: Chlorophyll-a, SST, MODIS, seaWiFS, productivity regions, upwelling, Oman, Nortwestern Arabian Sea
Growth Response of Eight Tropical Turfgrass Species to Salinity
Assoc. Prof. Dr. Abdul Shukor Juraimi
Md. Kamal Uddin, Mohd. Razi Ismail, Radziah Othman and Anuar Abdul Rahim
Faculty of Agriculture, University Putra Malaysia,43400 UPM Serdang, Selangor, Malaysia.
+603-8946 7259; ashukor@agri.upm.edu.my
Irrigation seawater of different salinity levels (0, 24, 48, and 72 dS m-1) were applied to experimental
plants grown in a plastic pots filled with a mixture of sand and peat (9:1). The results were analyzed using
SAS and treatment means were compared using Tukeys Test. The results indicated that Paspalum vaginatum
(seashore paspalum) (SP), Zoysia matrella (manilagrass) (MG), Pasplaum vaginatum local (SPL), Cynodon
dactylon (common bermuda) (CB), Cynodon dactylon (bermuda greenless park) (GLP), Eremochloa ophiuroides
(centipede) (CP), Axonopus compressus (cow grass) (CG) and Axonopus affinis (narrowleaf carpet grass) (NCG)
experienced a 50% shoot growth reduction at the EC of 39.8, 36.5, 26.1, 25.9, 21.7, 22.4, 17.0 and 18.3 dS m-1
respectively, and a 50% root growth reduction at the EC of 49.4, 42.1, 29.9, 29.7, 26.0 24.8, 18.8 and 20.0 dS m-1
respectively. The ranking for salinity tolerance of selected grasses was SP>MG>SPL>CB>GLP>CP>NCG>CG.
The results indicate the importance of the selection of turfgrass varieties according to the soil salinity and seawater
salinity levels to be used for irrigation.
Keywords: Salinity tolerance, water salinity, turfgrass, seawater
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