KORELASI PB (TIMBAL) DAN CR (KROM) PADA TALUS LIKEN DI TEGAKAN POHON MAHONI DENGAN KEPADATAN LALU LINTAS DI KAWASAN PINANG BARIS MEDAN

Sinaga, Redi (2015) KORELASI PB (TIMBAL) DAN CR (KROM) PADA TALUS LIKEN DI TEGAKAN POHON MAHONI DENGAN KEPADATAN LALU LINTAS DI KAWASAN PINANG BARIS MEDAN. Undergraduate thesis, UNIMED.

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Abstract

Penelitian ini bertujuan untuk mengetahui: a) kadar Pb (Timbal) dan Cr (Krom) pada talus liken yang terdapat pada tegakan pohon mahoni di Kawasan Pinang Baris Medan, (b) Hubungan konsentrasi Pb dan Cr pada talus liken di tegakan pohon mahoni dengan kepadatan lalu lintas. Jenis penelitian ini adalah deskriptif dengan metode survey eksploratif. Penelitian ini telah mengabil 3 titik lokasi penelitian yaitu 1). Jl. TB Simatupang, 2). Jl. Pinang Baris dan 3). Jl.Swadaya. Desain penelitian ini menggunakan korelasi pearson product moment. Parameter yang diamati adalah jumlah kadar Pb dan Cr serta jumlah kepadatan lalu lintas. Hasil penelitian diperoleh jenis liken yang memiliki kadar timbal (Pb) dan Krom (Cr) paling tinggi adalah jenis liken dengan jumlah kendaran yang tinggi juga. Terdapat hubungan tidak signifikan antara kandungan Pb pada talus liken dengan kepadatan lalu lintas dengan nilai r =0,11.Korelasi sangat rendah, berkorelasi positif tidak signifikan. Dengan perhitungan menggunakan analisis Pearson Product Momment diperoleh t hitung (0,28) ≤ dari t tabel (1,895),adanya hubungan Pb pada talus liken dengan kepadatan lalu lintas. Sedangkan Korelasi Cr pada masing-masing talus liken dengan kepadatan lalu lintas yang diperoleh sebesar 0,08 positif signifikan. Dengan perhitungan menggunakan analisis Pearson Product Momment diperoleh t hitung (2,6) ≥ dari t tabel (1,895) maka dapat dikatakan terdapat hubungan positif yang signifikan antara kepadatan lalu lintas terhadap kandungan setiap spesies pada talus liken.

Item Type: Thesis (Undergraduate)
Contributors:
ContributionNameNIDN/NIDK
Thesis advisorHasairin, H.Ashar19606141990031002
Call Number: 576.138 Sin k
Keywords: Pencemaran Udara;Timbal(Pb); Krom(Cr); Lumut Kerak
Subjects: Q Science > QH Natural history > QH301 Biology
Q Science > QH Natural history > QH301 Biology > QH540 Ecology
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam > Biologi
Depositing User: Mrs Fitri Sry Juliati Sinaga
Date Deposited: 08 Apr 2016 08:34
URI: http://digilib.unimed.ac.id/id/eprint/12569

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