• 제목/요약/키워드: number conservation

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Marxan with Zones 적용을 통한 북한산국립공원 공원자연보존지구 재설정 방안 연구 (Re-establishment of Park Nature Conservation Area in Bukhansan (Mt.) National Park Using Marxan with Zones)

  • 염정헌;한봉호
    • 한국환경과학회지
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    • 제26권2호
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    • pp.133-146
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    • 2017
  • This study aimed to develop strategies to re-establish the Park Nature Conservation Area in Bukhansan National Park, reflecting landscape ecological value by using the zonation program Marxan with Zones. Planning unit was set by watershed, and the basic data were mapped, considering topographical and ecological values. Mapped indicators were analyzed with the application framework of Marxan with Zones by indexing some indicators. The zones divided into Park Nature Conservation Area (Zone A), Park Nature Environment Area I(Zone B) which is reflected on the concept of Potential Park Nature Conservation Area and Park Nature Environment Area II(Zone C). The best solution for each of the scenarios was fixed through the sensitiveness analysis. From these, the final solution was selected considering five criteria including area ratio of conservation area and grouping. Lastly, the final solution was verified in the overlapped analysis with recent zonation. According to the results, the number of watersheds was 77, with an average area of $1,007,481m^2$. In terms of basic mapping and indexation, the slope index and number of landscape resources for topographical property were average 0.22 and 38 places, respectively. Biotope index was average 0.69 and legally protected species was 14 species, reflecting ecological values. As the social and economic indicators, trail index was average 0.04, and the number of tour and management facilities was 43 places. Through the framework of Marxan with Zones, the best solution for scenario 1 which was set by the highest conservation criteria was selected as the final solution, and the area ratio of Park Nature Conservation Area and grouping was excellent. As the result of overlapped analysis, suggested zonation of the Park Nature Conservation was better than the recent zonation in the area raito (28.3%), biotope grade I(15.4%) and the distribution points (10 places) of legally protected species with verification of proper distribution of conservation features according to the zone.

아동의 지능, 보존개념의 발달과 영어학습과의 관계분석 (Children's Intelligence, Concept of Conservation, and the Relations With Learning English)

  • 우남희;김현신
    • 아동학회지
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    • 제25권1호
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    • pp.1-12
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    • 2004
  • This study investigated the relations of children's age, intelligence, and the concept of conservation to their learning of English. Ten 4-year-old children from 1 child-care center and 13 7-year-old children from 1 elementary school were tested after completion of 8 sessions of experimental English classes. Children's intelligence was measured by K-WPPSI for 4-year olds and K-WISC for 7-year-olds. Children were tested for number and liquid conservations. A Korean teacher with 11 years of experience of teaching children at American elementary schools taught the 2 groups with the same subjects and methods. Data were analysed by independent samples t-test, Mann-Whitney U test, and Pearson's r. The results showed that children's age and the concept of conservation were related to English learning. No statistically significant relationship with IQ was found.

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매장문화재(埋藏文化財)에 대한 보존과학의 역할(役割) (Role of the Conservation Science in Excavating Objects)

  • 이상수
    • 박물관보존과학
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    • 제1권
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    • pp.9-14
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    • 1999
  • 출토된 매장문화재의 소장관리책임은 문화재보호법 제3644에 따라 국립박물관에 있다. 이러한 문화재는 연간 10,000여점 씩이나 폭증하고 있고 이 숫자는 앞으로 더욱 증가될 전망이다. 한편 국립박물관의 보관시설은 이미 포화상태를 넘은 상황이며, 따라서 출토문화재는 열악한 시설과 인력이 태부족한 대학박물관 등에 위탁 관리되는 형편이라서 부실보관 등 원초적인 문제가 야기되고 있다. 더 큰 문제점은 이들 문화재가 과학적인 보존처리 및 관리의 보호를 받지 못한다는 점인데 그 이유는 보존과학자가 국립박물관에 5명이며 독립부서조차 없는 실정이고, 전국적으로는 20여명 밖에 없기 때문이다. 이러한 출토문화재의 보존관리 문제를 해결하기 위해서는 새로운 제도 및 기구(가칭 : 매장문화재 통합보존소)가 시급히 마련되어야 하며, 가장 효과적인 방안으로는 과학적인 수장시설의 설치와 이를 관리할 수 있는 전문인력(보존과학자)으로 구성된 기구의 설립이 절실하므로 이를 제안하는 바이다.

아동의 항상성개념 발달에 관한 연구 - 자신 및 타인의 개인특성을 중심으로 - (Development of the Character Constancy Concept: Self and Others)

  • 김창하
    • 아동학회지
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    • 제8권1호
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    • pp.15-29
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    • 1987
  • The purpose of the present research was to investigate (I) the acquisition of character constancy of self and others as a function of age; (2) the pattern of acquisition of character constancy, and (3) the relationships between character constancy and conservation of number and mass. The subjects of this study were 160 children, 20 boys and 20 girls at each grade level, kindergarter through grade 3. The Character Constancy Tasks devised bi Rotenberg (1982) and conservation task of number and mass were administered to each child. Chi square, Guttman Scale analysis and Pearson's Correlation were used for the statistical analysis of data. The findings showed that there was increase with age in character constancy of others and of sell in that there was increase with age in children's belief that the characteristics of another person are stable across time and consistent despite changes in a person's appearance. Character constancy of others and of self were acquired in the developmental stages of identity, stability, and consistency. Character constancy of others and self correlated with the conservation of number and mass.

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대규모 치수(治水) 사업이 주변 문화재 환경에 미치는 영향 (Impact of a Large Water Control on Environment of Surrounding Cultural Heritage)

  • 정선혜;김시현;한예빈;이민영;이현주;정용재
    • 보존과학회지
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    • 제32권3호
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    • pp.395-402
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    • 2016
  • 수변에 위치한 신륵사를 대상으로 대규모 치수 사업이 주변 환경(온 습도, 강수량, 풍속, 시정현천)에 미치는 영향을 모니터링 하였고, 문화재의 손상을 유발할 수 있는 환경 인자로 안개일수를 도출하였다. 보 건설 이후 여주 이천지역의 월별 상대습도가 최대 9.6% 감소하였는데 이는 해당 연도의 강우일수 및 강수량의 감소에 의한 것이다. 남한강에 인접한 신륵사는 100 m 이내의 수변과의 거리, 평균 풍속 0.5 m/s의 안개발생 요인들로 안개가 발생하고 유지되기 좋은 입지 환경을 갖고 있다. 신륵사의 안개 발생일수를 보 설치기간에 따라 비교한 결과, 설치 직후 발생일이 53일 감소하였다. 안개 발생시 공간에 따른 상대습도는 외부, 조사당 외부, 조사당 내부 순으로 높았고, 조사당 외부와 내부의 차이는 평균 5.4%로 확인되었다. 계절별, 공간별 모두 안개가 발생하는 날의 상대습도가 맑은 날 대비 평균 6.3% 높았다. 남한강의 강폭 면적이 보 건설 전 대비 건설 후 1.45배 증가하여 향후 증발량 증가에 따른 안개발생일수 변화가 예측됨에 따라 안개 발생과 상대습도에 대한 장기적인 모니터링이 요구된다.

제주도 개발사업의 '선보전 후개발' 원칙 적용 사례분석 (A Case Study on the Application of 'Conservation First Development Later' Principle for the Development Projects in Jeju Area)

  • 조은일;허철구
    • 한국환경과학회지
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    • 제23권1호
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    • pp.113-128
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    • 2014
  • Jeju Special Self-Governing Province has the natural assets resulting in UNESCO World Biosphere Reserve, World Heritage Listed and World Geopark Certification, so the principle of 'Conservation First Development Later' has been set up for the vision of environmental policy to preserve these assets. This case study has been carried out to investigate the realization of the principle of 'Conservation First Development Later' for the development projects performed environmental impact assessment from 1994 to 2012 in Jeju Province, using geographic information systems(GIS). The Jeju Province has its own ordinance to consult and operate an environmental impact assessment(EIA) system. In particular, the conservation area, such as, Absolute/Relative Conservation Area and Underground Water, Ecosystem and View Conservation Zone, has been assigned and managed specially to conserve the natural environment. The 179 projects has been performed EIA for last 18 years in Jeju Province, and then the Absolute Conservation Area has been included in 22 projects and the Relative Conservation Area has been included in 34 projects. However, the 2 projects only have included the Absolute Conservation Area for 7 years after 2005. This result suggests that the application of the principle for the Absolute Conservation Area is strengthened gradually. On the other hand, the 17 projects and the 24 projects have included the Underground Water Conservation Zone assigned grade 1 and 2, respectively, and the number has been increasing after 2004. The results show that it needs to strengthen the application of the principle for this Zone. And the Ecosystem Conservation Zone assigned grade 1 and 2 have been included in 1 project and 9 projects, respectively. It is considered from this result that the principle is realized successfully for the Ecosystem Conservation Zone. In addition, it could be known that the principle is applied well for the View Conservation Zone, in this study.

우리나라 농촌아동(農村兒童)의 발달단계별(發達段階別) 보존(保存)개념 (Conservation Concept Among Rural Children in Korea)

  • 조복희
    • 아동학회지
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    • 제2권
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    • pp.41-53
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    • 1981
  • The purpose of this study was to find out conservation concept acquisition in children of pre-operational and concrete periods. The data in this study were obtained through experimental methods with 62 children(28 males and 34 females) of 3-11 ages in Korean rural areas. The Piagetian instruments devised by Gelman were used for the study ; length, liquid, quantity, mass, and volume conservation tasks. Percentile and $x^2$-test were applied for the statistical analysis of data: and the results of the experiment are as follows: 1) Most children aged 3-9 years did not appear to understand that the length of sticks stayed the same regardless of position. 2) In liquid quantity conservation, children centered their attentions on one aspect ; juice level or number of container. Their conservation concept was developed correlating with ages. 3) In the experiment of mass conservation by using play dough, only 7.1% of children of pre-operational period and 47.1% of concrete period affirmed that the amounts of play dough were same after changed shape. 4) In volume task, 29.4% children aged 7 to 11 years admitted to conservation. 5) It is found that girls acquired length conservation earlier than boys, while there was no significant difference between boys and girls in other conservation tasks.

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유아의 음악능력과 음악 보존개념의 발달(I)-유아의 성과 연령이 미치는 영향을 중심 으로- (The Development of Young Children's Musical Abilities and Musical Conservation Concepts by Their Sex and Age.)

  • 전인옥
    • 가정과삶의질연구
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    • 제10권2호
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    • pp.277-292
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    • 1992
  • The purpose of this study was to investigate developmental of young children's musical abilityes and musical conservation concepts. Two kinds of test were administered to 117 children aged 5-to 7-year-old. The musical ability test consisted of 30 tape-recorded questions regarding 5 musical ability domains, while the musical conservation test consisted of 17 questions regarding 4 musical conservation concept domains. The major findings of the study were as follows: 1)there was a significant difference in young children's musical abilities according to their sex and age. Girls developed their musical abilities better than boys did. Older children noticeable improved their musical abilities, especially, in such three domains as listening musical and rhythmic activities and playing musical instruments. 2)There was a significant difference in young children's musical conservation concepts according to their age, but not according to their sex. Older children improved musical conservation concepts specifically, in rhythm ,number of notes and duration conservation concepts. 3) the results of stepwise multiple regression analysis indicated that the most influence in variable on the musical conservation concepts was musical ability, then followed by children's age and sex. Some suggestions for future research and for the ways to increase musical abilities were discussed.

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Conservation of Biodiversity and Its Ecological Importance of Korean Paddy Field

  • Cho, Young-Son;Lee, Dong-Kyu;Choe, Zhin-Ryong;Han, Min-Soo;Pellerin, Kristie
    • 한국작물학회지
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    • 제51권6호
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    • pp.497-504
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    • 2006
  • Biodiversity is closely related to the conservation of ecosystems. Ecosystems provide more subtle, but equally essential, services. Microorganisms decompose human's waste and renew the soils that produce our food crops. Biodiversity in Korean paddies encompass 54 families and 107 species of freshwater invertebrates. In terms of the number of aquatic insects affected by different sources, the order starting with the highest population was swine slurry > chemical fertilizer > fresh straw with reduced fertilizers > control. The number of freshwater invertebrate and aquatic macro-invertebrate in surface water of the plots without insecticidal application were 2 and 2.1 times greater than in fields receiving insecticide applications, respectively. The soil microfungal flora of the 85 isolates paddy fields in Korea was 30 species in 13 genera and 11 isolates were unidentified yet. Agricultural policy should be changed to assist the conservation of biodiversity because until now the agricultural ecosystems have been negatively affected from the development of high-yield varieties to enhance food production, and the expansion of fertilizer and chemical use. For the conservation of agricultural ecosystems, agricultural practices with less investment and more resource saving, as well as enhancing the safety of agricultural and livestock products are essential. Finally, this paper was written for the contribution for the development of environmentally friendly farming systems with neighboring or whole ecosystems.

Diversity of Chinese Indigenous Goat Breeds: A Conservation Perspective - A Review -

  • Li, M.H.;Li, K.;Zhao, S.H.
    • Asian-Australasian Journal of Animal Sciences
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    • 제17권5호
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    • pp.726-732
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    • 2004
  • In this manuscript, a review of the diversity of Chinese indigenous goat breeds according to data from body stature and appearance, chromosome group, blood proteins, DNA molecular markers (mitochondria DNA, random amplified polymorphic DNA, microsatellite DNA, major histocompatibility complex) has been introduced. All of these provide efficient tools for the diversity analysis of Chinese indigenous goat breeds and are very important for biodiversity conservation, restoration of declining goat breeds, the priority defining in Chinese indigenous goat breeds' protection and the selection of nature preservation zones. Many Chinese indigenous goat breeds with small population size in the isolated mountains or reservoir areas are verging the potential threat of extinction, effectively lost with the rapid destroying of ecological environment. On the other hand, as a result of the introduction of modern commercial goat breeds and shortage of effective conservation, some populations, such as Small-xiang goat and Tibetan goat decrease rapidly in number of sires. In the interests of the long-term future of the goat breeds in China, conservation of goat breeds' genetic resources should be considered urgently and some conservation measures should be adopted. In addition, the continuing development of molecular biology will further enhance conservation of diversity of Chinese indigenous goat breeds.