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  <title>STRUKTUR KOMUNITAS FITOPLANKTON DAN INDEKS SAPROBITAS DI WADUK PUSONG KOTA LHOKSEUMAWE</title>
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  <namePart>NELLY RILTA FITRI</namePart>
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   <roleTerm type="text">Primary Author</roleTerm>
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  <place>
   <placeTerm type="text">Banda Aceh</placeTerm>
   <publisher>Fakultas Kelautan dan perikanan</publisher>
   <dateIssued>2015</dateIssued>
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  <languageTerm type="text">Indonesia</languageTerm>
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 <note>iii&#13;
ABSTRAK &#13;
Penelitian ini mengenai Struktur Komunitas Fitoplankton dan Indeks Saprobitas di &#13;
Waduk Pusong Kota Lhokseumawe. Penelitian  ini bertujuan untuk mengetahui &#13;
struktur komunitas yang meliputi kelimpahan, indeks keanekargaman, indeks &#13;
keseragaman,  indeks dominansi, dan indeks saprobitas di Waduk Pusong Kota &#13;
Lhokseumawe. Penelitian ini telah dilakukan pada bulan Februari 2015, dengan &#13;
menggunakan metode purposive sampling, dibagi  menjadi 5 stasiun pengamatan, &#13;
identifikasi fitoplankton dengan menggunakan metode 5 titik lapang pandang &#13;
dilakukan di Laboratorium  Terpadu  Fakultas Kelautan dan Perikanan, Universitas &#13;
Syiah Kuala. Pengambilan sampel terdiri dari 5 stasiun, pengambilan data dilakukan &#13;
sebanyak 4 kali yaitu pada pukul 07.00 WIB, 10.00 WIB, 13.00  WIB,  dan 16.00 &#13;
WIB. Kelimpahan fitoplankton perstasiun yang diperoleh berkisar antara 74543 ind/l &#13;
-  115727  ind/l,  kelimpahan fitoplankton  perwaktu yang diperoleh berkisar  antara &#13;
75779 ind/l  -  170914 ind/l,  nilai keanekaragaman  yang diperoleh berkisar  antara &#13;
1,244  -  1,792, nilai keseragaman yang diperoleh berkisar  antara    0,851  -  0,944,  nilai &#13;
dominansi yang diperoleh berkisar  antara  0,182  -  0,320.  dan nilai indeks saprobitas &#13;
yang diperoleh berkisar antara  -0,3  -  1,4.  Berdasarkan koefisien saprobik, nilai ini&#13;
menunjukkan perairan dalam kondisi tercemar ringan hingga sedang. Selanjutnya &#13;
fase saprobik terdapat pada ?-mesosaprobik, ?-meso/Oligosaprobik, ?/?-mesosaprobik dan ?/?-mesosaprobik&#13;
.&#13;
Kata kunci : Lhokseumawe, fitoplankton, struktur komunitas, saprobitas.&#13;
iv&#13;
ABSTRACT&#13;
The studied on community structure phytoplankton and saprobic index in pusong&#13;
reservoir in Lhokseumawe was finished in February   2015. The aims research are to &#13;
determine community structure : Abundance, diversity index, evenness  index, and &#13;
saprobic index in Lhokseumawe.  Methods used in this research is purposive &#13;
sampling method, with 5 observation stations and identification of phytoplankton in &#13;
Laboratorium Terpadu Kelautan dan Perikanan, Syiah Kuala university. Sampling &#13;
consists  of 5 stations, data collection was done as much 4 times at 07.00 am, 10.00 &#13;
am, 13.00 pm and 16.00 pm. Abundance of phytoplankton   based on the observation &#13;
stations between 74543 ind/l  -  115,727 ind/l, and abudance of phytoplankton based &#13;
on station data collecti on time between 75.779 ind/l – 170.914 ind / l, diversity index &#13;
obtained ranged from 1,244 to 1,792;  evenness index obtained ranged from 0.851 to &#13;
0.944, dominance values obtained ranged from 0, 182 to 0,320 and saprobitas index &#13;
values obtained ranged from -0,3 – 1,4. Based on saprobic coefficient, pollution level &#13;
and water quality was catagorized poor to moderate level. Furthermore, phase of &#13;
saprobic were ?-mesosaprobik, ?-meso / Oligosaprobik, ? / ?-mesosaprobik and ? / &#13;
?-mesosaprobik.&#13;
Keywords: Lhokseumawe, phytoplankton, community structure, saprobic index.</note>
 <subject authority="">
  <topic>PHYTOPLANKTON</topic>
 </subject>
 <classification>579.817</classification>
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  <physicalLocation>ELECTRONIC THESES AND DISSERTATION Universitas Syiah Kuala</physicalLocation>
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