http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
계룡산 지역 노린재상과(노린재목)의 군집분석에 관한 연구
최경렬,최광렬 한국응용곤충학회 1992 한국응용곤충학회지 Vol.31 No.2
계룡산 지역에서 발생하는 노린재상과 군집분석을 위한 조사를 1989년 8월부터 1990년 8월에 걸쳐 수행하였던 바 다음과 같은 결과를 얻었다. 채집조사된 노린재상과는 5과 22속 34종 이었다. 지점에 따른 노린재상과 개체수의 현존량은 논뚝에서 45.4%(22종), 초지에서 37.6%(26종), 관목지에서 17.0%(20종)이었다. 지대별 우점종은 논뚝에서는 비단노린재와 가시노린재로써 우점도 지수는 $\lambda$=0.125, 초지에서는 가시노린재와 비단노린재로써 $\lambda$=0.183, 관목지에서는 억새노린재와 눈박이알노린재로써 $\lambda$=0.099였다. 계절별 우점종은 봄에는 가시노린재와 알락수염노린재로써 $\lambda$=0.207, 여름에는 가시노린재와 비단노린재로써 $\lambda$=0.115, 가을에는 가시노린재와 풀색노린재로써 $\lambda$=0.141이었다. 다양도(H’)는 논뚝에서 1.034이고, 초지에서 1.039이며, 관목지에서는 1.105로 나타났다. 균등도(J’)는 논뚝에서 0.770이고, 초지에서 0.734이며, 관목지에서는 0.849으로 나타났다. 군집유사성은 초지와 관목지 간에 비교적 비슷했다. The study was conducted to investigate the community structure of superfamily Pentatomoidea(Geocorisae: Hemiptera) in Mt. Kyeryongsan from August, 1989 to August, 1990. The collected pentatomoid insects were composed of 34 species, 22 genera, and 5 families. Percentages of pentatomoid insects found in each observed zone were 45.4 % (22 species) in the paddy bank, 37.5% (26 species) in the weedy field and 17.0% (20 species) in the shrubs. Dominant species and Simpson's dominance indices were Eurydema rugosa and Carbula putoni ($\lambda$=0.125) in the paddy bank, Carbula putoni and Eurydema rugosa ($\lambda$=0.183) in the weedy field, Gonopsis affinis and Coptosoma biguttulum ($\lambda$=0.099) in the shrubs. Seasonal dom¬inant species were Eurydema rugosa and Dolycoris baccarum ($\lambda$0.207) in Spring, Carbula putoni and Eurydema rugosa ($\lambda$=0.1l5) in Summer, and Carbula putoni and Nezara antennata ($\lambda$=0.141) in Autumn. Species diversity indices(H') in paddy bank, weedy field, and shrubs were 1.034, 1.039, and 1.105, respectively. Evenness indices(J') were 0.770, 0.734, and 0.849, respectively. Community structures were almost similar between the weedy field and the shrubs.
최경렬 한국금융법학회 2007 金融法硏究 Vol.4 No.1
More and more attention is being paid to foreign market listing as crossborder securities transactions are considerably increasing with globalization. Foreign market listing can be done in two forms: depositary receipts (DR) or share certificates. Corporations can issue and list DR overseas for the shares they issue in the domestic market or list their share certificates directly on overseas exchanges. In the meantime, the securities deposit and settlement system, which was introduced to facilitate securities transactions, also plays an important role in overseas listing. If a country’s securities deposit and settlement system is linked with that of another country through CSD (Central Securities Depository) linkage, share-listing on overseas exchanges is possible, even in the case where shares are issued in the domestic market and deposited with the domestic CSD. In this case, entitlement processing for foreign investors could be taken care of through CSD linkage. But, custody and corporate action services have been provided by global custodians, who started their services even before the establishment of CSDs. Therefore, it is true that this new approach of CSD linkage has many difficulties to overcome. If CSD linkage is not easy to accomplish, which is true in current situation, issuing and listing share certificates overseas could be an option, but not a desirable one. Issuing share certificates in a foreign country could cause a conflict between the legal system of the foreign country and that of the country where the issuer is resided, and arise many problems concerning corporate action. All of the problems could be solved with overseas DR listing. DR is foreign securities issued overseas as the receipts of the shares issued and deposited in the domestic market. Therefore, a possible conflict of the legal systems is rare, and corporate action can be processed without difficulties by taking advantage of the DR custodian network with the local custodian for shares. In addition, DR enables timely arbitrage, which is difficult in the case of overseas listing in the form of share certificates. Corporations, which co-list their shares on multiple exchanges, will have to make every effort to take necessary steps so that their overseas investors can conveniently exercise their rights, along with their effort to raise their fundamental value with sound financial structure and bright outlook. And DR could be used as one of the desirable means for them to reach the goal.