• 제목/요약/키워드: road ecology

검색결과 197건 처리시간 0.029초

Korea Road-Kill Observation System: The First Case to Integrate Road-Kill Data in National Scale by Government

  • Kim, Kyungmin;Woo, Dong-Gul;Seo, Hyunjin;Park, Taejin;Song, Eui-Geun;Choi, Tae-Young
    • Journal of Forest and Environmental Science
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    • 제35권4호
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    • pp.281-284
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    • 2019
  • Efficient management of road-kill data is difficult at national scale when there are many organizations that are in charge of different road types. Here, we described the first case to integrate road-kill data through Korea Road-kill Observation System (KROS) by the Korean government. The system was launched in June 2018 to approximately 3,000 road menders. During 15 months, 5,812 road-kill observations were registered on KROS including mammals, birds, reptiles and amphibians. Of them, about 86 % was occupied by five species (Hydropotes inermis, Felis catus, Capreolus pygargus, Nyctereutes procyonoides, and Canis lupus familiaris) listed in number of occurrences. The observed road-kill frequency rapidly increased until April 2019 and peaked on May 2019. However, as the system is just starting, the results from KROS cannot be treated as the exact representation of road-kill trend in the country. Although the efficient method to manage national road-kill statistic is arranged, still there are some limitations to overcome to make the system stable.

The Water Deer on a Road: Road-Kill Characteristics of a Nationally Abundant but Internationally Threatened Species

  • Kim, Kyungmin;Seo, Hyunjin;Woo, Donggul;Park, Taejin;Song, Euigeun
    • Journal of Forest and Environmental Science
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    • 제37권1호
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    • pp.62-68
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    • 2021
  • Despite numerous efforts on reducing road-kill worldwide, the collisions have been occurring continuously. Many factors are affecting road-kill occurrences and the effect is various by species. We investigated Hydropotes inermis argyropus road-kill characteristics on the national highway. We examined 9,099 H. i. argyropus road-kill points with distance to the gaps on road (interchange and intersection) and distance to six natural land-cover types as explanatory variables. We also examined the number of road-kill occurrences according to temporal variation using chi-square test with 9,658 events. In general, H. i. argyropus road-kill location tended to occur close to the gaps on road, agricultural lands and forests. The average distance from road-kill to the gap was 694.7 m and 78.6% of the collisions were occurred within 1 km from the gaps. In addition, Kruskal-Wallis test showed the distance between road-kill points and each land cover and the gaps was significantly different. The temporal analyses showed that the differences of the H. i. argyropus road-kill frequency are significant in both month and season. Our results implies H. i. argyropus road-kill location tended to occur close to the gaps on road, agricultural lands and forests in general, especially during May and June, according to their seasonal behavior. Thus, we suggest there is a need of concentrated management on the roads with specific characteristics for both wildlife and human safety.

Factors Influencing Roadkill Hotspot in the Republic of Korea

  • Kim, Kyungmin;Yi, Yoonjung;Woo, Donggul;Park, Taejin;Song, Euigeun
    • Proceedings of the National Institute of Ecology of the Republic of Korea
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    • 제2권4호
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    • pp.274-278
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    • 2021
  • Road structures play an important role in collisions involving vehicles and wildlife. Our study aimed to determine the effect of various types of road structures on the risk associated with roadkill. We surveyed 50 previously identified roadkill hotspots, ranked from one to five according to roadkill density. We collected nine types of road structure data on each hotspot road section. Structures with similar characteristics were grouped together, resulting in five categories, namely, median barrier, high edge barrier, low edge barrier, speed, and visibility. We examined the existence of each road structure category at each hotspot rank. The cumulative link model showed that the absence of bottom blocked median barrier increased the roadkill hotspot rank. Our study concluded that a visual obstacle in the middle of roads by the median barrier decreases wildlife road crossing attempts and roadkill risk. We suggest that future roadkill mitigation plans should be established considering these characteristics.

Study on Crossing Tendencies of Birds by Road Type for Validation of Wildlife Crossing Structures Targeting Avian Species

  • Song, Eui-Geun;Lee, Hwa-Su;Park, Hee-Bok;Woo, Dong-Gul;Park, Tae-Jin;Chun, Su-Won;Sim, Seung-Woo;Cha, Hyoun-Gi;Lim, Anya;Choi, Tae-Young
    • Journal of Forest and Environmental Science
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    • 제34권2호
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    • pp.136-141
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    • 2018
  • The purpose of this study is to compare the bird crossing of roads by type (Expressway 1, railroad-provincial road and Highway 4) and the crossing of roads according to the size of birds. The greatest number of avian species and individuals crossing road per 10 minutes were found on railroad-provincial road ($8.96{\pm}1.92$ and $29.33{\pm}11.94$, respectively), while the lowest number of avian species and individuals were found on Expressway 1 ($2.96{\pm}1.04$ and $6.13{\pm}2.89$, respectively), which has the widest width. In addition, the number of small-sized bird (<20 cm) crossing the Expressway 1, railroad-provincial road, and Highway 4 was lower than that of the medium-sized bird (${\geq}20cm$). Current wildlife crossing structures have been focused on mammals, amphibians and reptiles, but future structures should also consider birds.

두루미류의 취식무리 크기 및 구성과 도로에 대한 회피 - 도로의 영향 vs 통행에 의한 영향? - (Research on the Size, Formation and Tendency to Evade the Road of the Feeding Flocks of Crane Species - Centering on the Effect of Road vs. Traffic Condition -)

  • 유승화;이기섭;김인규;강태한;이한수
    • 한국환경생태학회지
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    • 제23권1호
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    • pp.41-49
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    • 2009
  • 두루미류의 취식무리 크기 및 구성과 도로 유형별, 취식무리 규모에 따른 분포거리 연구를 월동기인 2005년 12월에서 2006년 2월까지 총 8회 실시하였다. 두루미와 재두루미의 취식무리는 주로 $2{\sim}4$개체로 구성된 무리였다. 두루미와 재두루미 모두 혼종무리 보다는 단일종의 취식무리가 많았다. 두루미와 재두루미간 취식무리 크기별 비율은 유의한 차이가 있었다. 두루미의 포장도로(PR)와의 평균거 리는 비포장농로(UPR), 포장농로(PFR), 비포장농로(UPFR) 도로와의 거리에 비하여 멀었다. 재두루미의 경우 도로로부터의 이격거리는 농로로부터의 거리와 차이가 있었다. 두루미와 재두루미 종간 도로유형별 이격거리는 포장도로에서만 유의미한 차이가 있었다. 이 결과는, 두루미류가 차량 출입이 잦은 도로를 차량 출입이 낮은 농로에 비하여 선호하지 않는 것을 보여준다. 포장도로에서 5개체 이상의 두루미 취식무리는 전체 취식무리와 5개체 미만의 취식무리에 비하여 도로로부터 이격거리가 멀었다. 재두루미는 5개체 이상의 취식무리가 5개체 미만의 취식무리에 비하여 포장도로 및 포장농로와 비포장농로에서 이격거리가 멀었으며, 비포장도로에서는 무리크기에 따른 이격거리의 차이가 없었다. 결과적으로, 무리의 크기가 큰 경우 방해요인에 대한 영향이 일부 더 크게 나타났다. 이러한 결과는 두루미류의 큰 취식무리가 주변을 감시하는 효율이 무리크기가 작은 경우보다 높은 것과 관련이 있을 것으로 보인다.

중국 북부 연안의 잘피: 역사적 감소추세 및 현황에 대한 사례 (Seagrasses in Northern Chinese Seas: Historical Declines and Case Study of the Status)

  • 장쑤에레이;리얀;리우핑;순핑;왕샤오;판시량;쑤퀸쳉
    • 한국해양환경ㆍ에너지학회지
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    • 제13권4호
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    • pp.305-312
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    • 2010
  • 잘피밭은 많은 생태계서비스를 제공하는 경제적 가치가 매우 높은 연안습지의 한 종류다. 중국에서도 북부연안을 따라 넓은 잘피밭이 분포하나 오랫동안 중요성이 간과되어 왔고 연구도 부족한 실정이다. 본 논문은 최초로 중국 북부연안 잘피의 종류와 분포를 제시하였으며, 과거로부터 현재까지의 변동양상을 기술하여 역사적인 감소추세를 분포와 생물량의 관점에서 기술하였다. 대표적인 잘피밭의 현황을 나타내기 위해 추다오 지역을 선정하여 사례를 제시하였다. 환경조건이 좋은 곳에서는 잘피도 회복되고 있으며, 잘피밭에 의존하는 플랑크톤과 어류, 돌고래 등 해양포유류도 풍부하였다. 역사적인 감소추세와 현상황에 대한 원인이 토의되었으며 보호를 위하여 필요한 연구내용을 제시하였다.

우리나라의 고라니 (Hydropotes inermis) 로드킬 발생건수 추정 (Estimation of the Water deer (Hydropotes inermis) Roadkill Frequency in South Korea)

  • 최태영
    • Ecology and Resilient Infrastructure
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    • 제3권3호
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    • pp.162-168
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    • 2016
  • 본 연구는 국내의 대표적 로드킬 동물인 고라니 (Hydropotes inermis)의 연간 로드킬 발생건수를 추정하고자 하였다. 이를 위해 국내의 도로 통계와 로드킬 통계 자료를 분석하고, 국외의 사슴류 로드킬 발생건수에 관한 추정 사례를 검토하여 국내의 고라니 로드킬 추정 방법에 적용하였다. 연구결과 국내에서 고라니 로드킬은 연간 최소 6만 건 이상 발생하는 것으로 추정되었다.