Abstract
Coffee plantation areas have the potential to absorb carbon dioxide in the atmosphere to reduce the greenhouse gas (GHG) emissions. Especially if coffee plantations are developed with forest plants in agroforestry area within forest management patterns. On the other hand, some coffee agroforestry now, are planted with horticultural crops that can reduce carbon sequestration ability to reduce climate change impact. The objectives of the study are to identify the parameters of the abiotic environment and the potential for carbon storage in robusta coffee agroforestry at Argopuro mountains, Bondowoso Regency. Through the calculation of plant biomass and carbon stock, it is potential to approach the amount of carbon uptake in plants to reduce carbon emissions in the atmosphere. Coffee plantation is one area that can increase carbon sequestration in the atmosphere. The results showed that microclimate parameters at robusta coffeeagroforestry at Argopuro mountains in Bondowoso regency i.e. temperature, air humidity, light intensity has average values of 29.2 oC; 54%; and 2166 lux respectively, then an average of soil pH is 6.00. There were some commonly plants founds in robusta coffee plantation i.e mango trees, avocado trees, dadap trees, pine trees, and more banana plants. Total biomass estimation in robusta coffee plantation area is 144,834 tonnes/ha. The identification of carbon stock show that the robusta coffee agroforestry area with ??2000 m2 can contribute to reduce atmospheric carbon emissions by 72.417 tonnes/ha in Argopuro mountains, Maesan District, Bondowoso Regency.
 Keywords: Argopuro Mountains; Bondowoso; Carbon stock; Coffee agroforestry; Climate Change.
Highlights
Coffee plantation areas have the potential to absorb carbon dioxide in the atmosphere to reduce the greenhouse gas (GHG) emissions
The results showed that microclimate parameters at robusta coffeeagroforestry at Argopuro mountains in Bondowoso regency i.e. temperature, air humidity, light intensity has average values of 29.2 oC; 54%; and 2166 lux respectively, then an average of soil pH is 6.00
Respon suhu fotosintesis pada tanaman C3, C4, dan CAM
Summary
Hutan mengabsorpsi karbondioksida (CO2) dari atmosfer dan mengubahnya ke dalam tubuh tanaman hidup sebagai salah satu sumber bahan organik secara alami melalui fotosintesis. Sejumlah karbon yang terkandung di bagian tubuh penyusun tumbuhan hidup atau biomassa pada suatu area dapat digambarkan dengan sejumlah karbondioksida di udara yang diserap oleh tanaman (Hairiah, et al, 2011). Pengembangan agroforestri dibutuhkan agar tanaman kopi dilengkapi dengan pohon-pohon hutan maupun tanaman jenis lain yang dapat berfungsi sebagai naungan. Manfaat dari penelitian ini sebagai sumber data dan informasi bagi Dinas Lingkungan Hidup dan Kehutanan maupun Pemerintah Kabupaten Bondowoso mengenai potensi cadangan dan simpanan karbon pada agroforesti perkebunan kopi robusta, serta penelitian ini sebagai acuan untuk Dinas Lingkungan Hidup dan Kehutanan dan Pemerintah Kabupaten Bondowoso untuk memperbanyak jumlah tanaman kopi agar dan tanaman hutan sehingga dapat mendukung mitigasi dampak pemanasan global
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