An assessment of invasive flora diversity and biological spectrum in Nandankanan Biological Park, Odisha, India
DOI:
https://doi.org/10.5281/zenodo.17900941Keywords:
Biological spectrum, diversity, growth habit, invasive plant, life forms, Nandankanan Biological ParkAbstract
Invasive species pose a significant threat to biodiversity by altering species composition, competing with native flora for nutrition, space, and light, and causing economic losses. This study focuses on documenting invasive plant species diversity in Nandankanan Biological Park, Khordha, Odisha, highlighting the need for conservation efforts. Field surveys were conducted in 2022-23, involving invasive species documentation, herbarium preparation, biological spectrum determination, and soil analysis. A total of 77 invasive plant species, belonging to 70 genera and 30 families, were recorded. Asteraceae emerged as the dominant family with 11 species, followed by Fabaceae (9 species), Poaceae (6 species), Acanthaceae (5 species), and Euphorbiaceae (5 species). Growth habits included 51 herbs, 15 shrubs, 7 climbers, and 4 trees. Among the 77 invasive plant species, 12 species are aquatic, 5 are wild relatives of crop plants, and 17 species possess medicinal properties. Phanerophytes were the most dominant life form (51.94%, 40 species), followed by Chamaephytes (16.88%, 13 species), Cryptophytes (15.58%, 12 species), Therophytes (11.68%, 9 species), and Hemicryptophytes (3.89%, 3 species). Soil analysis revealed that the soil is acidic in nature with low organic carbon. The mean value of organic carbon is 0.54 %, whereas the mean values of Phosphorus, Nitrogen, and Sulfur are 47.55 kg/ha, 167.4 kg/ha, and 21.54 ppm, respectively.
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