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PERUBAHAN PERSEDIAAN HARA DAN KARBON AKIBAT KONVERSI HUTAN ALAM MENJADI LAHAN PERKEBUNAN DI SEKITAR KAWASAN TAMAN NASIONAL LORE LINDU Muhardi Muhardi; Maman Sutisna; Muhammad Basir-cyio; Abubakar M. Lajhie
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 19, No 1 (2012)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (457.446 KB)

Abstract

Land as a limited resource has been under much pressure due to increasing population which has lead to the conversion of natural forest to satisfy their need of land. The research aim was to study changes in nutrient availability and carbon stock caused by natural forest conversion to plantation in the surrounding area of the Lore Lindu National Park. The research results showed that natural forest converted to monoculture candle nut plantation decreased soil organic matter and total carbon by up to 20% and 45%, respectively, whereas changed to cacao plantation the total carbon declined by up to 44%. Available N, P, K, Mg declined by up to 23%, 30%, 43%, and 35%, respectively, in modest agroforestry. It is recommended that either complex agroforestry or forest plantation can be developed as these types of land use lead to only slightly changes in organic matter/carbon stock and nutrient availability compared to other land use types.Key words : Agroforestry, biomass, carbon, nutrient availability.
Determinan Keluhan Penyakit Kulit pada Pemulung di Tempat Pembuangan Akhir Dini Daningrum; Dika Sulastri; Tika Yuliana; Maman Sutisna; Etty Nurkhayati
Faletehan Health Journal Vol 9 No 03 (2022): Faletehan Health Journal, November 2022
Publisher : Universitas Faletehan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33746/fhj.v9i3.487

Abstract

Scavengers are people or independent informal workers who take unused items, such as plastics, cardboards and irons that can be sold and recycled. The risk of disease transmission to scavengers is greater because their work directly relates to wastes. Environmental-based diseases might be skin disorders caused by bacteria, viruses and fungi. The purpose of this study was to determine the factors associated with skin complaints of scavengers in final disposal site. The research design used was cross-sectional. The population of this study were all scavengers at Bangkonol Final Disposal Site, Pandeglang Regency. The sample of this study amounted to 120 scavengers taken by total sampling. The results showed that there was a relationship between personal hygiene (Pv = 0.000), knowledge (Pv = 0.000), availability of information (Pv = 0.000), and working period (Pv = 0.000) with skin disease complaints. Meanwhile, there was no relationship between length of contact (Pv = 0.521) and complaints of skin diseases. Scavengers should pay more attention to clean and healthy living behaviors, including washing hands after and before work, bathing twice a day, cutting nails regularly (once a week), and regularly changing work clothes daily.