In the present paper, the data were used which were acquired through vegetational studies on the plants growing in the existing habitats in an effort to restore the current habitats and/or create new substitute ones for endangered Parnassius bremeri in Uiseong, Gyeongsangbuk-do. Based on the data so...
In the present paper, the data were used which were acquired through vegetational studies on the plants growing in the existing habitats in an effort to restore the current habitats and/or create new substitute ones for endangered Parnassius bremeri in Uiseong, Gyeongsangbuk-do. Based on the data so acquired, substitute habitats were selected and plans were established to vegetate food plants and absorption plants for Parnassius bremeri. For the vegetational study, a survey of life form and vegetation of absorption plants and food plants was conducted to obtain fundamental information required to select such plants and to plan for their vegetation. The number of vascular plants surveyed were 134 species in total including 48 families, 97 genera, 114 species, 1 subspecies and 19 varieties. From the survey, it was made known that, of life form of vascular plants, hemicryptophytes (H) in dormancy form were majority with 43 species or 32.09% and simple plants (R5) in radicoid form which are not able to make any nexus either under or above the ground were also majority with 76 species or 56.72%. Of propagation form, gravitational disseminule form (D₄) in disseminule form which is categorized by type of seed or fruit was 69 species or 51.49% and erect type (e) in life form was 57 species or 42.54%, majorities of each form respectively. As for life form of plants growing in the habitats of Parnassius bremeri in Uiseong, Gyeongsangbuk-do which is dry and rocky land with low humidity in soil and strong and large rays of the sun beamed, hemicryptophytes and chamaeophytes like Selaginelle involvens (Sw.) Spring, Sedum kamtschaticum and Orostachys japonica turned out to be in advantageous position since they are of dormant type which is particularly tolerant of such conditions. It was also found out that, of the radicoid form, such simple plants as Selaginella tamariscina, Orostachys japonica, etc. which can not form any nexus either on or under the ground due to rocky conditions of the area were favorable to grow there. The area is also seen suitable to Sedum kamtschaticum etc. which have short branches of roots or nexus in narrowest scope. The survey also showed that, of the disseminule form, gravitational disseminule form and geomantic disseminule form such as Sedum kamtschaticum, Selaginella tamariscina, Orostachys japonica, etc. were advantageous to grow in a rocky area which is colony of Parnassius bremeri. The colonies of plants growing in the habitats totalled 8 including Sedum kamtschaticum-Selaginella tamariscina colony, Sedum kamtschaticum-Carex humilis colony, Sedum kamtschaticum-Cymbopogon tortiis var. goeringii colony, Sedum kamtschaticum-Imperata cylindrica var. koenigii colony, Selaginella tamariscina colony, Sedum kamtschaticum-Indigofera kirilowi colony, Quercus acutissima colony, and Pinus densiflora colony. Sedum kamtschaticum is the food plants distributed in the wide range of habitats, concentrated mostly on or around the rocky area. Absorption plants are the plants like Cirsium japonicum var. ussuriense, Rosa multiflora, Erigeron annuus, Spiraea prunifolia var. simpliciflora, etc. that usually bloom in coincidence with emergence of imagoes. Sedum kamtschaticum which is food plants is also known from the survey that it blooms in the season when imagoes emerge. Based on the findings of the survey, location of substitute habitats was elected from among the areas which have similar conditions for vegetation of Parnassius bremeri as well as of food plants․absorption plants or from surrounding area in consideration of the moving distance of butterflies. Vegetation was carried out on the basis of the vegetation plans which were established in accordance with surveyed distribution of Sedum kamtschaticum and life form of vascular plants found suitable to the area.
In the present paper, the data were used which were acquired through vegetational studies on the plants growing in the existing habitats in an effort to restore the current habitats and/or create new substitute ones for endangered Parnassius bremeri in Uiseong, Gyeongsangbuk-do. Based on the data so acquired, substitute habitats were selected and plans were established to vegetate food plants and absorption plants for Parnassius bremeri. For the vegetational study, a survey of life form and vegetation of absorption plants and food plants was conducted to obtain fundamental information required to select such plants and to plan for their vegetation. The number of vascular plants surveyed were 134 species in total including 48 families, 97 genera, 114 species, 1 subspecies and 19 varieties. From the survey, it was made known that, of life form of vascular plants, hemicryptophytes (H) in dormancy form were majority with 43 species or 32.09% and simple plants (R5) in radicoid form which are not able to make any nexus either under or above the ground were also majority with 76 species or 56.72%. Of propagation form, gravitational disseminule form (D₄) in disseminule form which is categorized by type of seed or fruit was 69 species or 51.49% and erect type (e) in life form was 57 species or 42.54%, majorities of each form respectively. As for life form of plants growing in the habitats of Parnassius bremeri in Uiseong, Gyeongsangbuk-do which is dry and rocky land with low humidity in soil and strong and large rays of the sun beamed, hemicryptophytes and chamaeophytes like Selaginelle involvens (Sw.) Spring, Sedum kamtschaticum and Orostachys japonica turned out to be in advantageous position since they are of dormant type which is particularly tolerant of such conditions. It was also found out that, of the radicoid form, such simple plants as Selaginella tamariscina, Orostachys japonica, etc. which can not form any nexus either on or under the ground due to rocky conditions of the area were favorable to grow there. The area is also seen suitable to Sedum kamtschaticum etc. which have short branches of roots or nexus in narrowest scope. The survey also showed that, of the disseminule form, gravitational disseminule form and geomantic disseminule form such as Sedum kamtschaticum, Selaginella tamariscina, Orostachys japonica, etc. were advantageous to grow in a rocky area which is colony of Parnassius bremeri. The colonies of plants growing in the habitats totalled 8 including Sedum kamtschaticum-Selaginella tamariscina colony, Sedum kamtschaticum-Carex humilis colony, Sedum kamtschaticum-Cymbopogon tortiis var. goeringii colony, Sedum kamtschaticum-Imperata cylindrica var. koenigii colony, Selaginella tamariscina colony, Sedum kamtschaticum-Indigofera kirilowi colony, Quercus acutissima colony, and Pinus densiflora colony. Sedum kamtschaticum is the food plants distributed in the wide range of habitats, concentrated mostly on or around the rocky area. Absorption plants are the plants like Cirsium japonicum var. ussuriense, Rosa multiflora, Erigeron annuus, Spiraea prunifolia var. simpliciflora, etc. that usually bloom in coincidence with emergence of imagoes. Sedum kamtschaticum which is food plants is also known from the survey that it blooms in the season when imagoes emerge. Based on the findings of the survey, location of substitute habitats was elected from among the areas which have similar conditions for vegetation of Parnassius bremeri as well as of food plants․absorption plants or from surrounding area in consideration of the moving distance of butterflies. Vegetation was carried out on the basis of the vegetation plans which were established in accordance with surveyed distribution of Sedum kamtschaticum and life form of vascular plants found suitable to the area.
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