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The Distribution of Riparian Corridor Plants and the Relations to River Water Salinity along Perai River,Penang,Malaysia

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湿地科学 2010年第1期8卷 48-56页

作者： Siti Nurfazilah Abdul Rahman johan ismail Mashhor Mansor School of Biological Sciences Universiti Sains Malaysia Department of Animal Science and Fishery Faculty of Agriculture and Food SciencesUniversiti Putra Malaysia Sarawak Bintulu Campus

Ecological surveys were carried out to investigate the distribution and characterization of riparian corridor plants along the Perai River,Penang,Malaysia from July 2007 to March *** were design to represent horizon-tal sections of the river starting from the river mouth towards the upper reaches for 20 km.A total of 84 species of plants from 30 families were *** consisted of 28 species of standing plants(plants with height of more than 1 m)and 56 species of weedy plants(plants with height of less than 1 m).Standing plants consisted of ferns,palms,herbs,shrubs and mangroves while weedy plants comprised of aroids,grasses,sedges and broad leaf *** abundance and dominance for each zone were relatively *** species was determined using Important Species Index(ISI).Based on ISI,the important species of standing plants were Sonneratia alba,Acrostichum aureum,Nypa fruti-cans,Avicennia marina,Rhizophora apiculata,Acrostichum speciosum and Rhizophora *** plants were dominated by Mikania micrantha,Cryptocoryne ciliata,Wedelia trilobata and Asystasia *** distribution of the corridor plant species was closely related to the pattern of river water salinity *** distribution of mangrove species with tolerance and adaptation to seawater appeared as follows:Avicennia marina,Rhizophora apiculata,Rhizo-phora mucronata,Sonneratia alba,Nypa fructicans,Acrostichum aureum and Acrostichum speciosum.

关键词： riparian corridor plants mangrove species weedy species river estuary Malaysia

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The Spatial Structure of Zooplankton Communities of Pedu Reservoir,Malaysia

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湿地科学 2012年第4期10卷 423-428页

作者： Amir Shah Ruddin Md Shah johan ismail Diana Latief Wan Maznah Wan Omar School of Biological Sciences Universiti Sains MalaysiaMinden11800 PenangMalaysia Department of Animal Science and Fishery Faculty of Agriculture and Food SciencesUniversiti Putra MalaysiaUPM Bintulu Campus97008 BintuluSarawakMalaysia

A total of 22 species of zooplankton were identified from 8 sampling stations located in the limnetic zone of Pedu *** zooplankton community was dominated by rotifers (11 species),followed by cladocerans (9 species) and copepods (2 species).Four species of zooplankton comprised of 3 rotifers,Brachionus quadridentata,Brachionus caudatus and Keratella cochlearis and one cladoceran,Ceriodaphnia cornuta were present at all sampling *** richness was highest at Station 2 (17 species) followed by Station 4 and Station 8 (14 species),Station 5 (15 species),Station 7 (11 species),Station 6 (10 species),Station 3 (9 species) and Station 1 (7 species).With an exception of water transparency,all other water quality parameters such as temperature,dissolved oxygen,conductivity,pH and total dissolved solids were not significant when compared between sampling *** study found that station 5 which was located in a calm strait,protected from strong wave and wind was a suitable area for zooplankton growth and *** supporting the findings included highest water transparency (3.4 m),rich in species numbers (15 species),high diversity index (0.950) and evenness index (0.808).

关键词：水生生物学研究方法演化浮游生物

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