Pongamia: A Possible Option for Degraded Land Restoration and Bioenergy Production in Indonesia

Leksono, Budi; Rahman, Syed Ajijur; Larjavaara, Markku; Purbaya, Deki A.; Arpiwi, Ni Luh; Samsudin, Y.B.; Artati, Yustina; Windyarini, Eritrina; Sudrajat, Dede J.; Aminah, Aam; Maulana, Agus Muhamad; Bhatta, Kishor Prasad; Kwon, Jin Woo; Baral, Himlal

doi:10.3390/f12111468

Cited by 13 publications

(5 citation statements)

References 65 publications

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“…This species is considered a multipurpose tree that fixes atmospheric nitrogen, improves soil health and can produce large amounts of oil for biodiesel. Further, it can produce bioenergy on degraded land unsuitable for food production [12].…”

Section: Resultsmentioning

confidence: 99%

Tree Species Diversity in a Semi-Conserved Beach Forest in Southern Philippines

Cañeda

Peralta-nebran²,

Ramirez³

et al. 2022

AJFAR

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Beach forest is a unique type of ecosystem, a mixed group of littoral creepers, shrubs, and trees above the high tide level. In Sarangani Province, beach forest is not well studied even though it experienced various environmental threats due to the increase of coastal development and tourism. This study aimed to determine the composition and diversity of beach forest species in Barangay Kling, Kiamba, Sarangani Province and relate it to the whole coastal area of the municipality by producing a profile. Specifically, the study sought to determine the species composition of beach forest in the sampling areas; assess the beach forest diversity of at least three sampling areas in Barangay Kling. Using transect-quadrat method, species were identified through identification guides. Data analysis includes relative density, relative frequency, relative dominance, species diversity index and species importance value. Results of the assessment of species composition and community structure showed that a total of 39 beach forest species distributed among 23 families are present on the site, and another ten (10) species were observed outside of the transects. Milletia pinnata has the highest importance value with a rating of 79.04, followed by Terminalia catappa (65.54) and Barringtonia asiatica (44.04). The results show that the area has a huge potential for development into a beach forest park considering the diversity and maturity of the stand. In addition, management, protection, and rehabilitation of beach forest are also highly recommended to maximize their potential as climate change mitigators and their role in coastal protection.

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Section: Resultsmentioning

confidence: 99%

Tree Species Diversity in a Semi-Conserved Beach Forest in Southern Philippines

Cañeda

Peralta-nebran²,

Ramirez³

et al. 2022

AJFAR

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“…This study is based on a literature review of both peer-reviewed and grey literature [47]. The review mainly focused on six scientific areas of interest in English and Indonesian-agroforestry, hutan rakyat (community forest), smallholders, food security, business prospects, and Indonesia-through an intensive search of online publications that primarily appeared from 2000 onwards.…”

Section: Methodsmentioning

confidence: 99%

Can Agroforestry Contribute to Food and Livelihood Security for Indonesia’s Smallholders in the Climate Change Era?

Sudomo,

Leksono,

Tata

et al. 2023

Agriculture

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In Indonesia, smallholders have historically practiced agroforestry, which warrants examination in terms of food and livelihood security within sustainable community forest frameworks. Based on a literature review, we analyzed these two forms of security related to smallholder agroforestry practices. Findings indicate diverse agroforestry systems, with 88% focusing on non-timber forest products (NTFPs) and 12% on timber. While 42% prioritize direct food supply, 58% emphasize income generation through product sales. However, agroforestry that does not produce food for direct consumption by smallholders generates revenue for purchasing food necessities. Agroforestry supports both food needs (46–61%) and income (51–54%) for smallholders, surpassing traditional agriculture (13%). Semi-commercial agroforestry (57%) is a predominant livelihood prospect. The remaining 27% are purely subsistence, and 15% are purely commercial. However, the commercialization of agroforestry that focuses only on high-value commodities results in a negative impact on biodiversity. There is a concomitant decrease in environmental services for climate change mitigation and adaptation. Biodiversity remains crucial for climate resilience, health care, and food security in rural communities. Semi-commercial agroforestry is a midpoint for achieving multifunctional agriculture (biodiversity, soil and water conservation, food security, and income) in the climate change era. The research directly related to food security and ecosystem services quantification remains limited, necessitating further investigation. Policy support and incentives are essential for smallholders practicing complex agroforestry for climate adaptation and mitigation.

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“…This study aims to determine variations among families of Pongamia for oil content and seedling growth (generative and vegetative propagation). The information on genetic variations is important for selection and tree improvement programs to produce genetically improved seeds of Pongamia for biofuel and land restoration in Indonesia [13]…”

Section: Introductionmentioning

confidence: 99%

Variation among family of Pongamia pinnata (L.) Pierre for oil content and seedling growth

Krisnawati,

Leksono,

Adinugraha

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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Pongamia pinnata (L.) Pierre is a multipurpose tree species that produces non-edible seeds. Pongamia oil has been recognized as a viable source of oil for the burgeoning biofuel industry. The economic feasibility of Pongamia depends on the oil content of the seed. Meanwhile, information on variation among families (parent tree) of seedlings grown is also necessary to increase plant productivity besides the oil content. This study aims to determine the variation among families of Pongamia oil content and seedling growth (generative and vegetative propagation). The seeds were analysed using 48 families for oil content analysis by solvent extraction, 50 families for seedling growth analysis (generative), and 19 families for vegetative. The result showed a significant variation in crude oil content among the families. Oil production varied from 26.61 to 44.68%. Variations among families were also found in seedling growth performance for both generative and vegetative propagation, with an average survival rate up to 75%. The information is essential for the tree improvement program to produce genetically improved seeds of Pongamia for biofuel and land restoration in Indonesia.

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Pongamia: A Possible Option for Degraded Land Restoration and Bioenergy Production in Indonesia

Cited by 13 publications

References 65 publications

Tree Species Diversity in a Semi-Conserved Beach Forest in Southern Philippines

Tree Species Diversity in a Semi-Conserved Beach Forest in Southern Philippines

Can Agroforestry Contribute to Food and Livelihood Security for Indonesia’s Smallholders in the Climate Change Era?

Variation among family of Pongamia pinnata (L.) Pierre for oil content and seedling growth

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