• Title/Summary/Keyword: 멸종 위기종

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Analysis of habitat environment characteristics for Endangered Fish (Liobagrus Obesus) using MD-SWMS (MD-SWMS를 이용한 멸종위기 어종(퉁사리)의 서식환경 특성 분석)

  • Park, Sung-Chun;Jin, Young-Hoon;Roh, Kyong-Bum;Lee, Yong-Hee
    • Proceedings of the Korea Water Resources Association Conference
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    • 2012.05a
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    • pp.745-749
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    • 2012
  • 국내 주요하천은 지속적인 산업화와 난개발로 인해 생태계파괴 및 수변생물의 서식처 환경 악화로 하천 생태계에 많은 악영향을 받고 있다. 그러나 1990년대 이후 국내에서는 하천의 기능과 생물의 다양성, 하천환경 및 생태학적인 가치와 중요성에 대한 인식이 매우 커짐에 따라 하천의 생태적 기능을 매우 중요시 하고 있으며, 하천의 난개발로 인한 피해를 복원하기 위해 활발한 연구가 진행되고 있다. 대표적인 연구로 생태계 건전화 개념을 도입하여 담수성 어류 서식처 제공 및 이동에 필요한 유량을 산정한 한국 수자원공사(1995)의 연구가 있으며, 김규호 등(1996a, 1996b)은 물고기 서식처 환경 중 특히 수심과 유속 등 수리조건을 유지하기 위한 최소유량 산정 방법을 제시하였다. 또한 노경범(2011)은 섬진강의 하천환경 회복을 위한 연구대상 구간에서의 대표어종을 선정하여 서식처 특성 파악을 위해 하천 특성을 연구하였다. 이와 같이 현재 국내에서도 하천의 기능과 생태학적 기능을 위한 노력과 연구가 진행되고 있다. 그러나 생태학적 서식처 연구에서는 아직까진 미진한 부분이 많이 있다. 그 예로 보호종이나 멸종위기어종과 같은 생물의 서식처 확보를 위한 연구가 아직까지는 많은 노력과 연구가 필요한 상태이다. 본 연구에서는 환경부에서 지정한 멸종위기 1급 어종인 퉁사리를 대상으로 서식환경 특성 연구를 진행하였으며, 퉁사리의 생태학적 서식특성과 현재 지석천 상류 유역에서 관찰되고 있는 서식구간을 중심으로 MD-SWMS (Multi-Dimensional, Surface Water Modeling System) 모형을 이용하여 수리특성 분석을 수행하였다. 이를 위해 하상재료 입도분석을 실시하였으며, 그 결과 입도가 큰 굵은모래 및 잔자갈, 굵은자갈로 구성되어 있음을 알 수 있었다. 또한, 수리학적 특성분석결과 서식구간 내에서는 비교적 빠른 유속이 나타났다. 이러한 퉁사리의 서식환경의 특성 분석으로 서식구간 내 입도가 큰 하상재료로 구성되어 있으며, 퇴적구간이 생성되지 않을 정도의 유사이송량과 유속이 필요할 것으로 분석되었다. 향후 퉁사리의 장기적인 서식환경 조성과 보존을 위해 대상구간의 유사이송의 연구와 실측 및 수변환경 모니터링을 통한 다양한 연구가 진행되어야 할 것으로 판단된다.

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Analyzing the Co-occurrence of Endangered Brackish-Water Snails with Other Species in Ecosystems Using Association Rule Learning and Clustering Analysis (연관 규칙 학습과 군집분석을 활용한 멸종위기 기수갈고둥과 생태계 내 종 간 연관성 분석)

  • Sung-Ho Lim;Yuno Do
    • Korean Journal of Ecology and Environment
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    • v.57 no.2
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    • pp.83-91
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    • 2024
  • This study utilizes association rule learning and clustering analysis to explore the co-occurrence and relationships within ecosystems, focusing on the endangered brackish-water snail Clithon retropictum, classified as Class II endangered wildlife in Korea. The goal is to analyze co-occurrence patterns between brackish-water snails and other species to better understand their roles within the ecosystem. By examining co-occurrence patterns and relationships among species in large datasets, association rule learning aids in identifying significant relationships. Meanwhile, K-means and hierarchical clustering analyses are employed to assess ecological similarities and differences among species, facilitating their classification based on ecological characteristics. The findings reveal a significant level of relationship and co-occurrence between brackish-water snails and other species. This research underscores the importance of understanding these relationships for the conservation of endangered species like C. retropictum and for developing effective ecosystem management strategies. By emphasizing the role of a data-driven approach, this study contributes to advancing our knowledge on biodiversity conservation and ecosystem health, proposing new directions for future research in ecosystem management and conservation strategies.

Floristic study of Ibamsan Mt. and Baekamsan Mt. (입암산과 백암산의 식물상)

  • SUN, Eun-Mi;SON, Hyun-Deok;PARK, Seong-Bae;KIM, U-Nam;IM, Hyoung-Tak
    • Korean Journal of Plant Taxonomy
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    • v.50 no.1
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    • pp.27-55
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    • 2020
  • We investigated the flora of Ibamsan Mt. and Baekamsan Mt., and discuss here important vascular plants found on these mountains. We created a plant list using voucher specimens collected from Ibamsan Mt. and Baekamsan deposited at CNU. There are 769 taxa in Ibamsan Mt. and Baekamsan Mt., consisting of 116 families, 403 genera, 687 species, 16 subspecies, 58 varieties, and 8 forms. Twenty-four endemic plants of Korea were found, including Coreanomecon hylomeconoides Nakai and Eranthis byunsanensis B. Y. Sun. There are 15 rare plants on Ibamsan Mt. and Baekamsan as designated by the Korea Forest Service, including Iris koreana Nakai and Chamaegastrodia shikokiana Makino & F. Maek., as well as 14 red-list plants as designated by the Ministry of the Environment, including Lycoris chinensis var. sinuolata K. Tae & S. C. Ko ex K. Tae & S. C. Ko and Cymbidium macrorhizon Lindl. In total, there are 133 taxa of floristic regional indicator plants, including four level V taxa, such as Iris koreana Nakai; ten level IV taxa, such as Lindera sericea (Siebold & Zucc.) Blume; 28 level III taxa, such as Botrychium japonicum (Prantl) Underw.; 22 level II taxa, including Hylomecon vernalis Maxim.; and 69 level I taxa, including Dryopteris erythrosora (D. C. Eaton) Kuntze. There are 37 invasive plants, including Rumex acetosella L. and Symphyotrichum pilosum (Willd.) G. L. Nesom.

The Monitoring of Growth Conditions Regarding Korea Endemic Species and Natural Characteristics - Applied to Facilities Area on Highway Roadside - (한국특산식물 및 종의 자생지 특성을 고려한 식재 후 생육상태 모니터링 - 고속도로변 시설지를 대상으로 -)

  • Park, Sung-Su;Hong, Kwang-Woo;Kim, Sae-Cheon;Lee, Hyo-Yeom
    • Journal of the Korean Institute of Landscape Architecture
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    • v.45 no.6
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    • pp.1-9
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    • 2017
  • This study investigates the environmental factors of endemic species in Korea in order to understand their ecological characteristics, and to investigate the target species of their natural habitats to find similar sites. The purpose is to restore and follow suitable growth methods for the appropriate highway facility of target species to establish a management system via monitoring. This study endeavors to restore the target species near highway facilities on the basis of monitoring data and restore sites have similar natural characteristics of the target species. After restoring the target species, a restoration strategy and management plan will be established for breeding and continuation. The restoration strategy and management plan of the target species is divided into breeding, restoring, maintaining and monitoring plans. Specially management plans include several divisions such as soil, water, non-point pollution source reduction and naturalized plants. The results of this study can be used as reference materials for the restoration of endemic Korean plants in the future of highway routes, and for systematic management measures in habitats.

The Flora and Rare Plants in Kayasan National Park (가야산국립공원의 관속식물상 및 희귀식물)

  • 김용식;강기호;신현탁;배준규;김종근
    • Korean Journal of Environment and Ecology
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    • v.12 no.3
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    • pp.191-211
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    • 1998
  • The flora of the Kayasan National Park was surveyed from March to September, 1997. This area has very rich and diverse vascular plants; 613 taxa with 102 families, 323 genera, 522 species, 1 subspecies, 83 varieties, 5 forms and 2 hybrids. The rare and endangered plants species such as Lilium cernum Kom., Thymus quiquecostatus Celak., Cypripedium macranthum Sw., Tricyrtis dilatata Nakai, Abies koreana Wils., etc. were recorded. The plant species of 100 taxa such as Typha orientalis Presl, Corydalis maculata B. Oh et Y. Kim, Ajuga spectabilis Nakai, etc. were recorded for the first time in the area. The introduced plant species were found along the traffic road sides. The plant species of 14 taxa such as Lilium cernum Kom., Thymus quiquecostatus Celak., Abies koreana Wils., etc. which categorized as rare and endangered plants by the Office of Forestry were also recorded in the area(This species were mainly distributed in the habitats where easily threatened by human's activities).

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Vascular Plants of Manbokdae, Goribong and Suieongbong in the Baekdudaegan (백두대간 만복대.고리봉.수정봉 일대의 관식물상)

  • 임동옥;김용식;박양규;유윤미
    • Korean Journal of Environment and Ecology
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    • v.16 no.4
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    • pp.387-403
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    • 2003
  • The vascular plants in Manbokdae-Yeowonjae section of the Baekdudaegan were consisted of 502 taxa; 104 families,305 genus,439 species, 60 varieties, 3 forma. From the floristic point of view, the Baekdudaegan of Manbokdae-Yeowonjae section belongs to the southern province in Korea. The rare and endangered plants designated by Korea Forest Service were Abies koreana, Pedicularis verticillata, Patrinia saniculaefolia, Hololeion maximowiczii, Lilium callolsum, Paeonia obovate, Tricyrtis dizutata and VioEa diamantica, and Cymbidium goeringii. The Korean endemic species were Abies koreana, Patrinia saniculaefolia, Vicia unijuga, Stewartia koreana, Cornus walteri, Weigela subsessilis, Saussurea seoulensis, Tyicyrtis dilatata, Hosta capitata, Clematis trichotoma et at.

Flora of Sum-eunmulbaengdui Forest Genetic Resource Reserve Area in Jeju-do (숨은물뱅듸 산림유전자원 보호구역의 식물상)

  • Jung, Gi-Soo;Hyun, Hwa-Ja;Jeong, Jun-Ho;Moon, Sung-Pil;Lee, Sun-Ryung;Song, Gwanpil
    • Proceedings of the Plant Resources Society of Korea Conference
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    • 2018.10a
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    • pp.54-54
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    • 2018
  • 숨은물뱅듸 산림유전자원 보호구역은 해발 950 m 이상 지역의 습지로서 오름으로 둘러싸인 넓은 웅덩이 형태로 환경부 멸종위기 2급 야생식물인 자주땅귀개를 비롯한 다양한 습지 식물과 이를 둘러싸고 있는 산림지역을 포함하여 산림청에서는 산림유전자원 보호구역으로 지정 관리되고 있다. 본 조사는 숨은물뱅듸 산림유전자원 보호구역을 대상으로 식물상을 조사하여 식물종 다양성을 보존하기 위한 기초자료를 만들기 위해 실시하였다. 본 연구는 2018년 7월 24일부터 8월 28일까지 총 4회에 걸쳐 현장조사를 통하여 표본을 채집하고 기록하여 정리하였다. 그 결과, 숨은물뱅듸에 자생중인 식물은 양치식물 8과 11속 17종 17분류군, 나자식물 2과 2속 2종 2분류군, 피자식물 56과 121속 167종 5변종 1품종 173분류군 총66과 134속 186종 5변종 1품종의 총 192분류군이 조사되었다. 이 중 환경부 멸종위기야생식물은 자주땅귀개 1종이 확인되었고, 제주특산식물 6분류군, 한국특산식물 2분류군이 확인되었다. 식물구계학적특정식물은 총37분류군이며 V등급 5분류군, IV등급 5분류군, III등급 12분류군, II등급 5분류군, I 등급 10분류군이 확인되었다. 한국의 적색목록 식물은 위기(EN) 1분류군, 취약(VU) 1분류군, 준위협(NT) 1분류군, 관심대상(LC) 6분류군, 미평가(NE) 3분류군으로 나타났다. 조사된 식물들 대상으로 생활형을 분석해보면, 휴면형은 Ch 47분류군으로 가장 많이 나타났고, G(30분류군), MM(24분류군), HH(23분류군) 순으로 나타났다. 번식형은 R5가 101분류군, 산포기관형은 D4가 84분류군, 생육형은 e가 89분류군으로 가장 많이 나타났다. 반면, 외래식물 1분류군이 출현한 것으로 보아 숨은물뱅되는 아직까지 보전이 잘 되어 있고, 식물종다양성이 우수하며 식물학적으로 가치가 매우 높은 것으로 판단되었다.

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A Critical Review about Application of IUCN Red List Criteria at Regional Level to Korean Endangered Vascular Plants Assessed by the Ministry of Environment, Republic of Korea (환경부 멸종위기 관속식물 지정 기준으로 사용된 IUCN 지역 적색목록 평가 분석)

  • Chang, Chin-Sung;Kwon, Shin-Young;Son, Sungwon;Kim, Hui
    • Journal of Korean Society of Forest Science
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    • v.107 no.4
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    • pp.361-377
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    • 2018
  • The aim of this study was to examine whether the guideline by the Ministry of Environment (ME) successfully and appropriately applied the IUCN Red List criteria at regional level and the rare and endangered national list considered eligible. A certain number of vascular plants, which are widely distributed in the world or in east Asia, deemed to be ineligible for assessment at a regional level as Not Applicable category (NA), because it occurs at very low numbers in South Korea. Among 377 vascular plant taxa evaluated by the ME, NA included 238 species, which represented 63.1%. The number of synonymized species or illegitimate name species were 13 species, which accounted for 3.4%. 21 species (9.3%) were threatened at global level and 103 species were possibly candidates species list for Red List assessments at regional level in the near future. The proportion of NA or waiting list was 66.6% among the list assessed by the ME. The most common errors involved incorrectly application of species extinction in case of population extinction in South Korea to the assessment and provided incorrect interpretation of the Red List criteria at regional level. The most assessments proposed by ME were not backed up without quantitative data quality, justifications, and sources. It is suggested that the risk of extinction should be reassessed at least in the Korean peninsula within the light of their overall distribution including far eastern Russia and North eastern China in north and for Japan and Taiwan in south for regional assessment. The results obtained here using the IUCN criteria at regional level showed that the list proposed by the ME produced an overestimation of the number of threatened vascular plants. Also, the misapplication of the term 'species extinction' for regional assessment was open to some degree of subjectivity and misinterpretation.

A florisitic study of Ulleungdo Island in Korea (울릉도의 관속식물상)

  • Yang, Sungyu;Jang, Hyun-Do;Nam, Bo Mi;Chung, Gyu Young;Lee, Ro-Young;Lee, Jae-Hyeon;Oh, Byoung-Un
    • Korean Journal of Plant Taxonomy
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    • v.45 no.2
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    • pp.192-212
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    • 2015
  • This study was carried out to survey the flora of the vascular plants of Ulleungdo Island. Fieldwork related to the study was carried out 55 times from 2007 to 2011. The results of the study showed that the flora of Ulleungdo Island consisted of a total of 494 taxa, with 93 families, 313 genera, 462 species, 6 subspecies, 52 varieties and 4 formas. Among the collected plants, there were 9 taxa of critically endangered species (CR), 6 taxa of endangered species (EN) and 12 taxa of vulnerable species (VU). Furthermore, protected species and those of floristic regional plants above degree III according to the Korean Ministry of Environment included 4 taxa and 72 taxa, respectively. In addition, 33 taxa were endemic to Ulleungdo Island and 66 taxa were naturalized plants.

The Vascular Plants in Construct-Reserved Site of Ecological Forest, Jecheon-si, Chungcheongbuk-do (충청북도 제천시 생태숲 조성예정지의 관속식물상)

  • You Ju-Han
    • Korean Journal of Environment and Ecology
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    • v.19 no.1
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    • pp.31-45
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    • 2005
  • This study was carried out to investigate the vascular plants of the construct-reserved sites of ecological forests in Deokdong-ri, Baekwoon-myeon, Jecheon-si, and Chungcheongbuk-do, Korea and the period was from March to October, 2004. The results of surveying the vascular plants were recorded as 371 taxa; 83 families, 238 genera, 324 species, 44 varieties and 3 forma. There were 4 species of rare and endangered plants as designated by Korea Forest Service; Eranthis stellata, Paeonia japonica, Viola albida and Scopolia japonica. There were 9 species of Koreanendemic plants Pseudostellaria coreana, Melandryum seoulense, Clematis trichotoma, Deutzia coreana, Spiraea prunifolia for. simpliciflora, Ajuga spectabilis, Weigela subsessilis, Cirsium setidens and Saussurea nutans. Ten species of naturalized plants were observed Panicum dichotomiflorum, Rumex crispus, Amaranthus retroflexus, Lepidium apetalum, Trifolium repens, Oenothera Jamayckiana, Erigeron annuus, Erigeron canadensis, Bidens frondosa and Taraxacum officinale. In the results of analysis by floristic region, the specific plants were summarized as 52 taxa; 30 families, 47 genera, 49 species and 3 varieties.