Abstract
The selection of plant species for phytoremediation activities is very important in the conservation of soil, water, plant, and animal life to create a conducive environment within a community or ecosystem. Plant survival is one indication for the selection of phytoremediation plants. This study aims to determine the survival of some plants in void areas of coal mining. Types of plants used are surface water plants species and the edge of void plant species. The plants of surface water area consisting of Kiambang (Salvinia sp.), Enceng gondok (Eichornia crassipes), Genjer (Limnocharis flava), and Kangkung (Ipomoea aquatica). The plants which planted on edge of void were purun tikus (Eleocharis dulcis) and Bamban (Donax canniformis). Time of observation time was 6 months. Data were analyzed using a tabular matrix that contained the percentage of plant life/period time. The growth of the plant is specifically defined according to the color visibility and the development of plant form. The results of the study found that the highest surface survival species were Kiambang (Salvinia sp.) and Kangkung (Ipomoea aquatica). Both of them still survive for 6 months of observation. The growth percentage of these two plants at the end of the observations are 36% and 20% respectively. Enceng gondok (Eichhornia crassipes) has a survival for 4 months. Whole water plant growth was depressed by indications of death, tendencies to yellowish-brownish or blackish, and smaller body parts. Purun tikus (Eleocharis dulcis) and Bamban (Donax canniformis) grown on the edge of voids have a high survival. Both of them showed ≥95% survival at the end of observation time.
Highlights
The selection of plant species for phytoremediation activities is very important in the conservation of soil, water, plant, and animal life to create a conducive environment within a community or ecosystem
This study aims to determine the survival of some plants in void areas of coal mining
Analisis Kemampuan Kiambang (Salvinia molesta) untuk Menurunkan Konsentrasi Ion Logam Cu (II) pada Media Tumbuh Air. Jurnal Kimia Mulawarman, 10(2)
Summary
Pelaksanaan kegiatan pertambangan batubara dengan sistem opet pit di akhir kegiatannya akan meninggalkan sisa lubang bekas tambang. Lubang bekas tambang yang dikenal dengan istilah void dapat menimbulkan masalah lebih lanjut bila tidak dikelola. Void akan menjadi tampungan air larian maupun air hujan yang akan membentuk danau buatan. Good mining practice (GMP) menuntut agar kegiatan pertambangan wajib memenuhi kaidah pertambangan yang baik dan benar. Kaidah tersebut meliputi terpenuhi atau ketaatan terhadap berbagai ketentuan, kriteria, kaidah dan norma-norma yang tepat sehingga dampak buruk darai pemanfaatan sumber daya tambang dapat diminimalisasi. Pengelola pertambangan wajib membuat rencana pemanfaatan lubang bekas tambang yang meliputi stabilisasi lereng, pengamanan lubang bekas tambang, pemulihan kualitas air dan pengelolaan air dalam void sesuai peruntukkannya dan pemeliharaan void. Ketahanan Hidup Beberapa Jenis Tumbuhan Di Kawasan Void Bekas Tambang Batubara
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