Abstract

Parkia timoriana, a leguminous tree, is an important multipurpose species growing over the northeastern part of India. The species has been closely associated with the livelihood of the society for its beneficial attributes, and therefore, besides its occurrences in the wild, the species also been commonly raised in the home gardens. However, the ecology of the species i.e., phenology, biomass and carbon sequestration potential has not been studied. Girth class distribution indicated the species exhibit more number of individuals in the midsize girth compare to the smaller and larger girth classes. The species showed maximum leaf flushing at the onset of rainy season (Apr–May), whereas, maximum leaf fall occurred during Nov–Jan. Flowering and fruiting was maximum during dry months. The individuals with 30–45 cm girth size and above showed flowering and fruiting and the individuals below this girth do not exhibit flowering and fruiting tendency. The total biomass of P. timoriana was 2.24 t ha−1 and magnitude of carbon sequestration potential was 0.23 t ha−1 year−1. The study suggests that a threshold level of girth size 30 cm and above would be required for the fruiting and flowering. In addition to its multiple uses, the species has a good potential to sequester carbon.

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