• Title/Summary/Keyword: new distribution record

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A NOTE ON THE CHARACTERIZATIONS OF PARETO DISTRIBUTION BY UPPER RECORD VALUES

  • Ahsanullah, Mohammad;Shakil, Mohammad
    • Communications of the Korean Mathematical Society
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    • v.27 no.4
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    • pp.835-842
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    • 2012
  • Many researchers have studied the characterizations of probability distributions based on record values. It appears from literature that not much attention has been paid to the characterizations of the Pareto distribution. In this note, some new results on the characterizations of the Pareto distribution by upper record values have been established.

New Record of Pagurus rathbuni (Decapoda: Anomura: Paguridae) from the East Sea, Korea

  • Kim, Mi Hyang;Kim, Jung Nyun;Park, Jin-Ho
    • Fisheries and Aquatic Sciences
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    • v.16 no.1
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    • pp.53-56
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    • 2013
  • A pagurid hermit crab, Pagurus rathbuni that was collected from the deep water of the East Sea, Korea, has been newly recorded in the Korean fauna. The present record extends the geographic distribution of the species to Korean waters in the East Sea and extends the bathymetric range to 500 m. Morphological and distributional accounts of this species are presented with illustrations.

Five new records of monogonont rotifers from Korea

  • Song, Min Ok
    • Journal of Species Research
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    • v.7 no.4
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    • pp.333-339
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    • 2018
  • Rotifers collected from Duung and Gyeongpo wetlands in Korea were investigated. Five species belonging to five genera in four families of monogonont rotifers were identified: Cephalodella ventripes (Dixon-Nuttall), Dicranophorus grandis (Ehrenberg), Lecane undulata Hauer, Taphrocampa selenura Gosse, and Testudinella emarginula (Stenroos). All these species are new to the Korean fauna, even though they have very wide or cosmopolitan distributions. The present study is the first report on the genus Taphrocampa Gosse from Korea. The taxonomy and distribution of each new Korean record are briefly discussed here. The diagnostic characteristics, photomicrographs and the deposition of voucher specimen are provided for each new Korean record.

New record of Pilaria crane flies(Diptera: Limoniidae) from Korea

  • Podenas, Sigitas;Park, Sun-Jae;Byun, Hye-Woo
    • Journal of Species Research
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    • v.11 no.1
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    • pp.38-46
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    • 2022
  • This study is based on crane fly specimens collected during more than 80 years, starting from 1938 through 2019, in the Republic of Korea and Democratic People's Republic of Korea and are in collections maintained at the United States National Museum, Smithsonian Institution, Washington DC, USA; the Snow Entomological Museum, University of Kansas, Lawrence, KS, USA; and the National Institute of Biological Resources, Incheon, South Korea. Pilaria crane flies are aquatic and semiaquatic, developing in fast running and stagnant water bodies and in wet muddy places at the margins of water pools. Such habitats usually prevail at lower altitudes, but these areas most often are used for agriculture and human settlement, making natural habitats scarce and fragmented. Pilaria crane flies are rare, thus it is not surprising that genus was left unnoticed by previous researchers. The genus Pilaria Sintenis, 1889 with two species P. melanota Alexander, 1922 and P. simulans Savchenko, 1983, is a new record for the Korean Peninsula. We present general information on the genus, redescriptions of species based on Korean specimens, illustrations of both sexes, elevation range, period of activity, habitat information, general distribution, and a distribution map for the Korean Peninsula for each species.

A new distribution record of Scutellaria barbata D. Don (Lamiaceae) and an erroneously identified Scutellaria in Korea

  • LEE, Yoonkyung;KIM, Jung-Hyun;LEE, Byoung Yoon;KIM, Jin-Seok;KIM, Sangtae
    • Korean Journal of Plant Taxonomy
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    • v.48 no.2
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    • pp.123-128
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    • 2018
  • Earlier taxonomic studies of Korean Scutellaria reported a new record of Scutellaria hastifolia L. in Korea based on three herbarium sheets. During a reexamination of these specimens, we found that the leaf characters of these specimens differ from those in the type specimen of S. hastifolia. Based on a literature survey and confirmation of the type specimen, the specimens identified as S. hastifolia thus far were a misidentification of S. barbata D. Don. S. hastifolia is clearly different from S. barbata by single conspicuous teeth on both sides of the leaf margins and larger leaves. In addition to the distribution sites of the three specimens used in the previous study, a distribution site of the S. barbata was newly found in the southern part of Korea. In this study, we report a new distribution of S. barbata in Korea, correct a previous report of S. hastifolia, describe the morphological characters of S. barbata, and suggest a taxonomic key to Korean Scutellaria including S. barbata.

Record of Fimbristylis ovata (Cyperaceae) from Jejudo Island, Korea

  • YANO, Okihito;TAMURA, Yuki;YAMAJI, Yuna;CHUNG, Kyong-Sook;IM, Hyoung-Tak
    • Korean Journal of Plant Taxonomy
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    • v.50 no.1
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    • pp.80-83
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    • 2020
  • We report Fimbristylis ovata (Burm.f.) J. Kern (Cyperaceae) from the sunny grasslands along the coastline on Jejudo Island, Korea, as a new distribution in Korea. This is thought to be the third confirmed record of this rare sedge in Korea; the first was from Gapari ('Is. Quelpaert') collected by Taquet in 1908, and the second was from Marado Island, collected by Kim and Kim in 2018. We found two new populations on Jejudo Island, the first with many individuals and the second with only a few plants. Following an examination of herbarium specimens, this species is considered to be rare and endangered in Korea, limited in distribution in Korea to Jejudo and Marado Islands.

First record of Macrognathus aral (Bloch & Schneider, 1801) from the Himalayan Kingdom of Bhutan

  • Laxmi Sagar;Karma Lodhen Wangmo;Dhan Bdr. Gurung;Karma Wangchuk;Rinchen Dorji;Rupesh Subedi;Tshering Zangmo;Pelden Dorji
    • Fisheries and Aquatic Sciences
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    • v.26 no.12
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    • pp.708-714
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    • 2023
  • This study reports a new record of freshwater fish Macrognathus aral (Bloch & Schneider) from Aiechu-Kalikhola tributary of the Maukhola river in Sarpang, Bhutan. The species was found in shoal of the tributary and was identified using its morphometric characters. It can be identified and distinguished from its congeners reported in Bhutan by dorsal fin rays XIX, 47, anal fin rays III, 52, rostral plates 28, pectoral fin rays 19, caudal fin rays 15, soft rayed part of dorsal and anal fin separated by a notch from rounded caudal fin, and presence of four ocelli at the base of dorsal fins. Further studies are needed to better understand its distribution, ecology, and population dynamics in the country. A key to species belonging to Mastacembelidae of Bhutan including the new record is provided.

A new distribution record of Sedum kiangnanense (Crassulaceae) in Korea

  • SUH, Hwa-Jung;KIM, Jung-Hyun;CHOI, Ji-Eun;LEE, Wunggi;KIM, Jin-Seok;KIM, Sangtae
    • Korean Journal of Plant Taxonomy
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    • v.50 no.2
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    • pp.247-251
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    • 2020
  • We report a new distribution of Sedum kiangnanense D. Q. Wang & Z. F. Wu on the Korean Peninsula. This species was first reported in China and is distributed in Anhui and Zhejiang provinces. We found this species on Hongdo Island in Heuksan-myeon, Shinan-gun, Jeollanam-do in the Republic of Korea. S. kiangnanense is well distinguished from other species in Korea by 4- or 5-verticillate leaves on the sterile stems and a spatulate leaf shape. We provide its morphological description, detailed illustrations, and a key to related taxa. We have given this species a new Korean name, Ip-kkot-dol-na-mul, which means flower-like leaved sedum.