Analisis kandungan timbal (Pb) pada talus lichenes di Kabupaten Lamongan

Amin, Moh. Zainul (2012) Analisis kandungan timbal (Pb) pada talus lichenes di Kabupaten Lamongan. Undergraduate thesis, Universitas Islam Negeri Maulana Malik Ibrahim.

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Abstract

INDONESIA:

Timbal (Pb) merupakan logam berat yang sangat berbahaya dan mempunyai tingkat toksisitas yang tinggi karena tidak dapat dibiodegradasi dan dapat terakumulasi dalam jaringan makhluk hidup seperti pada talus Lichenes. Kadar bahan pencemar Timbal (Pb) dapat diketahui menggunakan bioindikator, yaitu, melalui analisis kandungan bahan pencemar Timbal (Pb) yang terdapat di dalam indikator tersebut. Dalam penelitian ini, digunakan Lichenes yang tumbuh dikulit kayu untuk mengukur konsentrasi bahan pencemar Timbal (Pb) di udara yang dihasilkan dari emisi kendaraan bermotor.

Penelitian ini dilaksanakan pada bulan Juli-Agustus 2012 dengan mengambil lima stasiun pengamatan berbeda di Kabupaten Lamongan yang dipilih secara purposive berdasarkan tingkat kepadatan lalu lintas dan arah mata angin, yaitu di jalan raya Deket dan jalan raya Babat (kepadatan lalu lintas tinggi), jalan raya Pantura dan jalan raya Mantup (kepadatan lalu lintas sedang), dan jalan raya Sumberwudi (kepadatan lalu lintas rendah). Lichenes yang diambil pada tiap stasiun, yaitu pada 3 sampel pohon dengan ketinggian 150 meter dan jarak pengamatan 0-3 meter (jarak terdekat dengan jalan raya), 10 meter dan 20 meter. Parameter yang dianalisis adalah Jenis-jenis Lichenes, kandungan Pb pada talus Lichenes, frekuensi perjumpaan dan persentase kepadatan Lichenes.

Hasil penelitian menunjukkan ditemukan 7 spesies Lichenes pada lima stasiun pengamatan di Kabupaten Lamongan yaitu Lepraria sp, Graphis sp, Hafellia levieri, Opegrapha atra, Lecidella elaeochroma, Cryptothecia scripta, dan Parmelia sulcata. Terdapat perbedaan kadar Timbal (Pb) pada Talus Lichenes di lima stasiun pengamatan di kabupaten Lamongan, yang di pengaruhi oleh kepadatan lalu lintas. Kadar Timbal (Pb) rata-rata pada stasiun A (6,07 ppm), stasiun B (6,02 ppm), stasiun C (4,29 ppm), stasiun D (4,17 ppm), dan stasiun E (2,32 ppm). Frekuensi perjumpaan Lichenes pada lima stasiun pengamatan di Kabupaten Lamongan berkisar antara 33,3 % – 66,7 %. dan Persentase Kepadatan Lichenes terendah sebesar 17,94 % dan tertinggi sebesar 68,03 %.

ENGLISH:

Lead (Pb) is a heavy metal that is very dangerous and has a high toxicity level for not biodegradable and can accumulate in the tissues of living things such as the talus Lichenes. Levels of contaminants Lead (Pb) can be determined using bioindicator, is through the analysis of the content of pollutants Lead (Pb) contained in the indicator. In this study, used Lichenes growing wood skin to measure pollutant concentrations of Lead (Pb) in air resulting from motor vehicle emissions.

The research was conducted in July-August 2012 by taking five different observation stations in Lamongan purposively selected based on the level of traffic density and direction of the wind, which is on the highway Deket and the highwayBabat (high traffic density), highway Pantura and highway Mantup (medium traffic density), and highways Sumberwudi (low traffic density). Lichenes taken at each station, which is on the 3 sample trees with a height of 150 meters and a distance of 0-3 meters observation (nearest distance to the highway), 10 meters and 20 meters. The parameters analyzed were Lichenes types, Lead (Pb) content in the talus Lichenes, encounter frequency and percentage Lichenes density.

The results showed Lichenes found 7 species at five observation stations in Lamongan is Lepraria sp, Graphis sp, Hafellia levieri, Opegrapha atra, Lecidella elaeochroma, Cryptothecia scripta, and Parmelia sulcata. There are differences in the levels of Lead (Pb) on Talus Lichenes in five observation stations in Lamongan district, which is influenced by the density of traffic. Levels of Lead (Pb) average at station A (6,07 ppm), station B (6,02 ppm), station C (4,29 ppm), station D (4,17 ppm), and station E (2,32 ppm). Lichenes encounter frequency at five observation stations in Lamongan ranged 33,3% - 66,7%. and the lowest percentage Lichenes density of 17.94% and a high of 68.03%.

Item Type: Thesis (Undergraduate)
Supervisor: Utami, Ulfah and Syarifah, Umaiyatus
Keywords: Lichenes; Timbal (Pb); Kepadatan Lalu lintas; Lichenes; Lead (Pb); Traffic Density
Subjects: 06 BIOLOGICAL SCIENCES > 0607 Plant Biology > 060703 Plant Developmental and Reproductive Biology
Departement: Fakultas Sains dan Teknologi > Jurusan Biologi
Depositing User: Imam Rohmanu
Date Deposited: 04 Aug 2015 06:59
Last Modified: 04 Aug 2015 06:59
URI: http://etheses.uin-malang.ac.id/id/eprint/892

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