용추계곡을 포함한 창원시 정병산의 관속식물상

Abstract

This study was conducted for the purpose of providing basic data for establishing a plant resource conservation and management plan by comprehensively analyzing the vascular flora distributed in Jeongbyeong(Mt.), Changwon-city. Field surveys were conducted on average more than 30 times in 9 courses from February 2014 to November 2020, and the results are summarized as follows. The vascular flora of Jeongbyeongsan(Mt.) was summarized as 464 taxa including 107 families, 275 genera, 404 species, 5 subspecies, 10 forms and 45 varieties. Among them vascular flora identified around Yongchu valley was 319 taxa, accounting for about 69% of the total. The endemic plants were 14 taxa such as Impatiens koreana, Thalictrum actaefolium var. brevistylum and so forth,, and endemic plants rate was 3.01% and 3.89% of 360 taxa of Korean endemic plants. The rare plants were 13 taxa There were 3 taxa as critically endangered species such as Impatiens koreana and Magnolia kobus, 2 taxa as endangered species such as Jeffersonia dubia and Lycoris sanguinea var. koreana, 1 taxa as vulnerable species such as Iris minutiaurea, 6 taxa as least concerned species such as Aristolochia contorta, and 1 taxa as data deficient species such as Chloranthus fortunei. Among these rare plants, 11 taxa except for Tricyrtis macropoda and Iris minutoaurea were found in the vicinity of the Yongchu valley. For these rare plants, research to elucidate the ecological characteristics of their habitats should be conducted. The naturalized plants were 19 taxa including Solanum americanum, Aster pilosus and so forth, and the naturalized index was 4.1%. Invasive alien plants were Ambrosia artemisiifolia and Aster pilosus. The plants of concern for serious invasion into forests were 4 taxa such as Oenothera biennis, Aster pilosus and Erigeron annuus. Of the 19 taxa of naturalized plants, 11 taxa were identified around the Yongchu valley. Since there is a high possibility that the growing environment will be disturbed due to the continuous increase in visitors and intermittent construction, the spread of naturalized plants around the valley area should be monitored. The specific plants by floristic region were 61 taxa; 37 taxa such as Betula schmidtii and Aconitum jaluense of grade I, 3 taxa such as Caryopteris incana and Lilium distichum of grade II, 12 taxa such as Acer palmatum and Adoxa moschatellina of grade III, 4 taxa such as Fallopia sachalinensis and Prunus davidiana of grade IV, 5 taxa such as Impatiens koreana and Jeffersonia dubia of grade V, Target plants adaptable to climate change were 13 taxa; 4 taxa of endemic plants, 1 taxa of northern plant, and 8 taxa of southern plants.