Comparison of soil arthropod diversity in natural forests and eucalyptus (Eucalyptus sp.) plantations in Napajoring village, Nassau district, Toba Regency, North Sumatra, Indonesia
DOI:
https://doi.org/10.64171/JAE.6.2.35-41Keywords:
Soil arthropods, Natural forests, Eucalyptus plantationsAbstract
This study aims to compare the diversity, abundance, dominance, and evenness of soil arthropod communities between natural forests and eucalyptus (Eucalyptus sp.) plantations in Napajoring Village, Nassau District, Toba Regency, as well as to analyse the relationship between environmental factors and these communities. The study was conducted from January to March 2026 using an exploratory survey method with purposive sampling techniques and pitfall traps in four replicates. The results showed a total of 685 soil arthropod individuals consisting of 23 species, 11 families, 9 orders, and 3 classes. The most frequently found species was Odontomachus rixosus (124 individuals), while the least frequent was Lampyris noctiluca (1 individual). The indices of diversity, abundance, and evenness were moderate, with higher values in the natural forest compared to the eucalyptus plantation, whereas the dominance index was low in both habitats. The t-test showed no significant difference between soil arthropod communities in natural forests and eucalyptus plantations (t calculated 0.068 < t table 1.96), indicating that the environmental conditions in both habitats are relatively similar in supporting soil arthropod life.
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