Paper’s Abstracts


Aug.22, Monday
8:30-12:30 Parallel sessions

Low Carbon Society through Pekarangan Traditional Agroforestry Practices in Java, Indonesia

Hadi Susilo ARIFIN 1), Kaswanto 2), Nobukazu NAKAGOSHI 2)

1) Laboratory of Landscape Management, Department of Landscape Architecture, Bogor Agricultural University (IPB), Bogor, 16680 Indonesia
2) Graduate School for International Development and Cooperation, Hiroshima University, Higashi-Hiroshima, 739-8529 Japan

Contact Address: hsarifin@ipb.ac.id and dedhsa@yahoo.com

Pekarangan, as a traditional homestead garden and an optimal and sustainable land use type of agroforestry system in the tropical region of Indonesia has been researched since 1995. As greenery open space, which is located in the surroundings of a house or residential building has spread from rural to urban areas, from the upper stream to the downstream of watershed. The area of pekarangan varies with owners and depends on the socio-economic level, profession, and their distance to the city. However, sustainable and abundant bio-resources are expected to be available. Through local wisdom and local knowledge of the community, pekarangan have been practiced as agro-forestry, agro-silvo-pastura, and agro-silvo-fishery systems. Agricultural bio-diversity and sustainable material circulation are maintained in pekarangan. Pekarangan is a potential land for ecosystem services, such as Carbon sequestration, water resource management, agro-biodiversity conservation, and landscape beautification. Presidential Decree of Republic of Indonesia No. 22/2009 regarding policy of the acceleration and movement of local resource based food diversification was published in 2009. Pekarangan movement by Ministry of Agriculture was conducted from 2010 up to 2014 in order to revitalize pekarangan production from starchy crops, fruit plants, vegetable crops, medicinal plants, spice crops, industrial plants, ornamental plant, and miscellaneous plants. Multi-storey levels of vegetation structures and species richness of pekarangan not only can be proposed to mitigate global warming and global climate change impacts, but also to be promoted as supporting agricultural land for food security at the household level. In addition, pekarangan as an agro-forestry system also can contribute significantly to a region’s carbon budget while simultaneously enhancing the livelihoods of rural community.

Key Words: agro-biodiversity, agro-silvo-fishery, agro-silvo-pastura, species richness, watershed.

Special Feature: Report

Landscape ecology and urban biodiversity in tropical Indonesian cities

Hadi Susilo Arifin and Nobukazu Nakagoshi

Abstract

Indonesia has recently been faced with a number of great problems: poverty, natural disasters such as tsunami, earthquakes, flooding and typhoons, volcanic eruptions, loss of biodiversity, decreasing water quality and quantity, increased pollution, and aesthetic degradation of the landscape. These disturbances have been caused by rapid changes in land use and land cover, deforestation, the application of monoculture farming systems in commercial agriculture, urbanization, industrialization, and other types of infrastructure development. The government, urban communities and companies have promoted some programs to ameliorate the problem of environmental degradation. The government has ratified law no. 26/2007 as a commitment to sustainability; this law ensures that cities are obliged to provide green open spaces covering a minimum of 30% of urbanized areas. Many metropolitan cities have feverishly enacted policies to promote greening programs, such as those applied in Jakarta. However, a new town—Sentul City—has engaged in policies that aim to create a well-designed eco-city with urban greenery and ecological networks. This new policy is supposed to herald a better future for urban quality. It is expected that green spaces will provide environmental services: water resource management, biodiversity conservation, carbon sequestration, and landscape beauty.

Keywords  Biodiversity – Carbon sequestration – Ecological network – Ecosystem services – Green space – Indigenous species

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