Biodiversity Conservation: Do We Really Need to Introduce an ExoticSpecies?

ABSTRACT

The presence of exotic or alien species has been common in all forest habitats around the world including the tropical rain forest of Indonesia, particularly in the disturbed forest ecosystem. Non-native plant species is introduced through various ways and for various purposes such as agriculture, silviculture, soil improvement, ornamental, medicinal, and others. In many cases, an introduced species has becoming dominant in its new habitat and is likely to be invasive out competing the native plant species and causing damage to the environment. A number of case studies on the negative effects as well as benefits provided by these exotic species are described in this paper. For example, A. nilotica was first introduced to the savanna habitat of Baluran NP in 1969 for fire breaks and later on the plant became dominant and suppressed the growth of native grasses in the savanna. Aside from its negative effect to the environment, A. nilotica also provides alternative of livelihood to local community. Result of study showed that local community generates income from selling Acacia seed to be further processed for coffee mixture, bean sprout and milk products. This economic value may be changed as the density of Acacia also fluctuated since the Park‘s management has launched an Acacia eradication to promote the growth of native grass for wild buffalo forages. In some ways, exotic species could provide both negative and positive impacts to the environment depending on how we could wisely manage them for the economic use of plant resources.

Keywords: Exotic, habitat, ecosystem, environment, community and economic

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Informasi Detil

Judul Seri

Proceeding INAFOR (International Coference Of Indonesia Forestry Researchers) 2011

No. Panggil

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Penerbit

: ., 2012

Deskripsi Fisik

2-9

Bahasa

English

ISBN/ISSN

978-979-8452-45-1

Klasifikasi

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