Preprint Article Version 1 This version is not peer-reviewed

Spatial Assessment of Degraded Lands for Biofuel Production in Indonesia

Version 1 : Received: 11 November 2018 / Approved: 13 November 2018 / Online: 13 November 2018 (05:17:34 CET)

A peer-reviewed article of this Preprint also exists.

Jaung, W.; Wiraguna, E.; Okarda, B.; Artati, Y.; Goh, C.S.; Syahru, R.; Leksono, B.; Prasetyo, L.B.; Lee, S.M.; Baral, H. Spatial Assessment of Degraded Lands for Biofuel Production in Indonesia. Sustainability 2018, 10, 4595. Jaung, W.; Wiraguna, E.; Okarda, B.; Artati, Y.; Goh, C.S.; Syahru, R.; Leksono, B.; Prasetyo, L.B.; Lee, S.M.; Baral, H. Spatial Assessment of Degraded Lands for Biofuel Production in Indonesia. Sustainability 2018, 10, 4595.

Journal reference: Sustainability 2018, 10, 4595
DOI: 10.3390/su10124595

Abstract

This study spatially estimates degraded lands in Indonesia that have limited functions for food production, carbon storage, and conservation of biodiversity and native vegetation, and examines their suitability to grow biodiesel species (Calophyllum inophyllum, Pongamia pinnata and Reutealis trisperma) and biomass species (Calliandra calothyrsus and Gliricidia sepium). Results showed that Indonesia has ∼3.5 million ha of degraded lands potentially suitable for these species. With the all-five-species scenario, these lands had the potential to produce 1105 PJ yr−1 of biomass and 3 PJ yr−1 of biodiesel. With the biodiesel-only-species scenario, these lands showed the potential to produce 10 PJ yr−1 of biodiesel. Despite this energy potential, however, the land sizes were too small to support economies of scale for biofuel production. The study findings contribute to identifying lands with limited functions, modeling biofuel-species growth on regional lands and estimating carbon stocks of restored degraded lands in Indonesia.

Subject Areas

degraded land; biodiesel; biomass; energy; Indonesia

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