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2.3.3 Collectiong of sample During spring tide, the sampling site (100m from the upper tidal zone) was divided into three zones (Zone I, II and III) within the intertidal zone where each zone had the same width (33m). Zone I was named as upper zone where it was exposed for the longest during low tide, followed by zone II (middle zone) which was 33.33m from zone I and then followed by zone III (lower zone). Lower zone was the zone with the least exposure to sun during low tide. 1m 2 quadrate was used to sample (Figure 2.3) and three replicates were collected from each zone. P. orientalis samples within the sampling quadrate (30 cm in deep) were collected and transferred to the Muka Head Marine Research Station, Universiti Sains Malaysia. The collected samples were brushed to remove mud and wiped with absorbent cloth to remove water. The wet weight of each sample was measured by using electronic balance to the nearest 0.0001g while length was measured from the anterior part to the posterior part by using caliper (Plate 2.1). Number of samples in each quadrate was recorded. This information would provide the size distribution, population abundance and length-weight correlation. 12
100°15’ E 6°08’ N 100°22’ E 6°08’ N N 6°02’ N 6°02’ N Z I x Z II x x Z III x x x x x x 100 m Z = Zone x = Quadrate placement Figure 2.3. View of sampling location 13
Page 1 and 2: BIOLOGICAL ASPECTS AND THE DEVELOPM
Page 3 and 4: ACKNOWLEDGEMENTS I wish to express
Page 5 and 6: 2.3.2.2 Water nutrient analysis….
Page 7 and 8: 4.4.2 Morphology of larvae shell…
Page 9 and 10: 5.1 Utilization frequency of phytop
Page 11 and 12: 4.3 The umbo shape Pholas orientali
Page 13 and 14: 3.15 Late D-shaped Pholas orientali
Page 15 and 16: LIST OF ABBREVATIONS mm m Millimete
Page 17 and 18: ASPEK-ASPEK BIOLOGI DAN PERKEMBANGA
Page 19 and 20: BIOLOGICAL ASPECTS AND THE DEVELOPM
Page 21 and 22: CHAPTER ONE: GENERAL INTRODUCTION 1
Page 23 and 24: 1.2 Taxonomy and morphology Pholas
Page 25 and 26: Bernam in Kuala Selangor (Figure 1.
Page 27 and 28: CHAPTER TWO: SIZE AND LENGTH FREQUE
Page 29 and 30: 2.3 Materials and method 2.3.1 The
Page 31: esults are presented in milligram p
Page 35 and 36: Table 2.3 Ecological information on
Page 37 and 38: Table 2.4 Water quality values at t
Page 39 and 40: level was observed in October 2006
Page 41 and 42: 2.4.4 Size and length frequency dis
Page 43 and 44: 400 300 January 2007 200 100 0 400

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