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Çѱ¹È¯°æ»ýÅÂÇÐȸ / v.21, no.4, 2007³â, pp.311-317
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Á¦ÁÖµµ¿¡ ÀÌÀÔµÈ È²¼Ò°³±¸¸®(Rana catesbeiana)¿Í ºÓÀº±Í°ÅºÏ(Trachemys scripta elegans)ÀÇ ¼½Ä½ÇÅ ¹× °ü¸®¹æ¾È
( Current Conditions of Habitat for Rana catesbeiana and Trachemys scripta elegans Imported to Jeju-do, Including Proposed Management Plans ) |
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This study was conducted to determine the geographical distribution and habitat for Rana catesbeiana and Trachemys scripta elegans in order to obtain the current basic data on biota needed for establishing a database on non-indigenous species(NIS) in Jeju-do and to develop management plans applicable to Jeju, starting from March 2005 until May 2006. As a result of an inspection, it was found that the habitat for R. catesbeiana in Jeju includes Hankyeong-myeon, Daejeong-eup, and Ahndeok-myeon. These areas are all located on the western side of Jeju-do, and considered to have favorable conditions for R. catesbeiana to inhabit. Thus, it is unlikely that the population of R. catesbeiana will possibly decrease; what's worse, there exists even a risk that it could not only expand to other regions but also do damage to the population of native insecta, fishes, amphibians and reptiles, so this terrible species ought to be exterminated. More than 92 individuals of T. scripta elegans species were found to inhabit in 15 ponds around Jeju Island. T. scripta elegans. as the topmost predator, could destruct the pond ecosystem, and also cause a problem of water pollution due to its excrement. Counter-measures against T. scripta elegans could include publicity activities encouraging self-control of the release of captive T. scripta elegans, extermination plans using its ecological habits, and sign-posting publicizing its hazard to healthy ecosystem at the areas with high population density of T. scripta elegans or at its habitats with high foot traffic, together with the continuous management of NIS(none-indigenous species). |
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¿Ü·¡Á¾;¾ç¼·ù;ÆÄÃæ·ù;»ýŰè;NON-INDIGENOUS SPECIES;AMPHIBIANS;REPTILES;ECOSYSTEM; |
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Çѱ¹È¯°æ»ýÅÂÇÐȸÁö / v.21, no.4, 2007³â, pp.311-317
Çѱ¹È¯°æ»ýÅÂÇÐȸ
ISSN : 1229-3857
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200734516343641)
¾ð¾î : Çѱ¹¾î |
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³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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