• Proceedings of the Korean Society of Fisheries Technology Conference
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• 2001.05a
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• pp.551-552
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• 2001

온대와 열대의 연안해역에 형성되어 있는 해초지는 해양생태계 중 생산성이 높고, 작은 크기의 해양동물들이 큰 동물들로부터 보호되고 있는 해양환경을 이루고 있다. 특히 본 조사해역인 호주 동북부 해역은 Cleat Barrier Reef과 더불어 열대성 해초가 많이 밀생되어 있어서 많은 동물들이 서식하고 있다. 어류의 먹이습성 연구는 그 어류가 속해 있는 생태계의 기능적인 면을 이해하기 위한 기초자료를 제공한다. (중략)

• Food Industry
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• s.206
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• pp.22-25
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• 2008

식품의 채취, 제조, 가공, 조리, 저장, 운반, 보존 등을 행하는 장소는 쥐, 박쥐, 파리 등 위해해충들이 생식하지 않는 것이 가장 이상적인 것이다, 그러나 그와 같은 상태가 일시적인 것이 아니고 장기간 유지하기 위하여서는 해당 시설은 물론 환경을 포함한 종합적인 대책이 필요할 것이다. 또한, 이와 같은 동물이나 해충은 그 종류도 많고 각각 그 생태나 습성도 같이 않으므로 그 방제 대책도 각각 다른 것이다.

• Korean Journal of Ichthyology
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• v.30 no.1
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• pp.65-68
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• 2018

The anatomical study of the olfactory organ in Liobagrus somjinensis, being related to the habitat environment and ecological habit, was carried out using a stereomicroscopy and digital camera. The paired olfactory organs are situated at the dorsal part of the snout, and consisted of two opening (anterior and posterior nostrils) and the olfactory chamber. The tubular anterior nostril is located between the tip of upper lip and the nasal barbel. The posterior nostril flat to the surface is adjacent entirely to the basement of the nasal barbel. The olfactory chamber has a rosette structure with 22~24 lamellae of linguiform, arranged transversely and radially from the medium raphe. These results may prove that L. somjinensis is dependent on olfaction, related to the hiding, the feeding and the nocturnal lifestyle in rapids.

• Korean Journal of Ichthyology
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• v.26 no.4
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• pp.281-287
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• 2014

An olfactory organ in Scartelaos gigas, so-called mudskipper known as adaptation to an amphibious lifestyle, was investigated anatomically and histologically. S. gigas possessed the paired olfactory organ comprising respectively the one elongated canal and two nasal sacs, lacrimal and ethmoidal nasal sac. The sensory epithelium developed partly in the canal contained four distinct types of cells: (1) receptor cell with 3 to 4 cilia in number, (2) supporting, (3) basal, (4) mucus cell. The sensory epithelium was also of transitional layer as multi cellularity structure. The non-sensory epithelium had no sensory elements. The two nasal sacs possessed typically a lot of mucin droplets. These results might be considered that anatomical structure and histological characters of the olfactory organ showing in S. gigas is adapted to semi-aquatic life associated with its ecological habit and habitat.

• Korean Journal of Ichthyology
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• v.34 no.3
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• pp.153-159
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• 2022

The olfactory organ of a Korean endemic species, Pseudobagrus koreanus, was investigated to describe its morphology and histology and analyze correlation between habitat environment and its ecological habits and characters, using a stereo microscope, a light microscope, and a scanning electron microscope. Its external morphology showed tubular anterior nostril at the tip of the snout and slit posterior nostril at the base of the nasal barbel. The olfactory chamber showed the rosette structure consisting of numerous lamellae radial and parallel to the medium raphe. The olfactory lamella has the sensory epithelium with olfactory receptor nuerons, supporting cells, basal cells, lymphatic cells, plasma cells and the non-sensory epithelium with stratified epithelial cells, mucous cells, lymphatic cells. In particular, 1) 41~43 (n=20) lamellae, 2) lymphatic cells and plasma cells, 3) mucous cells including neutral polysaccharid may be olfactory characteristics relevant to a stagnant or a standing habitat environment, nocturnal habit dependent on olfaction, and taxonomic characters compared at least to other catfish species.

• Proceedings of the Korean Society of Fisheries Technology Conference
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• 2003.05a
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• pp.264-265
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• 2003

인공어초 주변에 집어된 어업생물의 종류나 생태습성을 파악하기 위하여 전통적으로 잠수와 원격무인잠수정(ROV)에 의해 방법이 이용되어 왔다. 그러나 이 기술은 해양환경이나 어류의 개체구별 어려움 때문에 제한을 받고 있다(Fabi and Sala,2001). 이러한 결점을 보완하기 위하여 최근 어군탐지기를 고정하여 어초에 군집하는 어류의 개체 조사에 사용하고 있다(Fabi and Sala, 2001; Thornee et al., 1989). (중략)

• Korean Journal of Ecology and Environment
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• v.47 no.spc
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• pp.83-99
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• 2014

Fish community of eight lagoons in the east seashore, Korea were investigated from 2007 to 2008. Total 66 species caught during the period were belonged to 34 families, and total biomass was 2,024.8 kg. Also, similarity analysis results of each lagoon were divided three major groups. On the other hand, result of a comparison of the composition ratio of freshwater fish, brackish water fish, and seawater fish which is divided into separate each age data of previous studies has emerged in this study, since the 1990's, freshwater fish is reduced, seawater fish and increase, some changes in the fish community had changed dynamically in the lagoon. These changes considered that against the natural hydrach succession will change to freshwater lake from brackish water lake. Therefore, we considered to ecological characteristics of lagoon and process of hydrach succession when conservation, management, and restoration of the lagoons.

• Korean journal of applied entomology
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• v.44 no.2
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• pp.125-130
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• 2005

The ecological characteristics of the specialist insect predator, Oligota kashmirica benefica, were investigated for developing artificial rearing method with special interest on the oviposition behavior, the pattern of adult emergence and temperature in storage, and its effect on the density of the citrus red mite, Panonychus citri. Female beetle oviposited eggs mainly, $95\%$ of the eggs, on the bottom of leaves of the yuzu tree, and $91.3\%$ of them were covered with ecdysis skin of the red mites or the feces of themselves. The rate of adult emergence of the beetle rose up to $86.7\%$ when the horticultural media was provided for pupation from $60\%$ when it pupated in upland soil. Most larvae, $88\%$ of them, were found from the surface to the depth of 2 cm in the horticultural media. The optimum temperature for the storage of the adult beetle was found to be $12^{\circ}C$, at this temperature the 96.7, 73.3 and $70.0\%$ of the beetle survived for 10, 20, and 30 days, respectively. The control effect of the citrus red mite was appeared highest by releasing the beetle at the rate of one beetle against 150 mites.

• Journal of Environmental Science International
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• v.13 no.1
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• pp.11-17
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• 2004

The purpose of this study is to present the model of ecological restoration through analysis on the condition of hydrach succession process in brackish water lake. To this study, we investigate and research the present condition of brackish water lake in South Korea. Most brackish water lake in South Korea have characteristics that is come into being malignant hydrach succession. Many lakes were reclaimed to increase foodstuff production. And river conservation work seperate lakes from the ocean. In a embryological view, most lakes based on the brackish water lakes, But present lakes show many different types such as a fresh water lake, a salt lake, a brackish water lake, a swamp, and a marshland. As a result, brackish water lakes have greatly damaged by diverse artificial interventions to promote people's activities. Therefore, in order to manage brackish water lakes systematically, criteria of lake preservation must be coincide with the present conditions of hydrach succession in each lake.

• Proceedings of the Korea Air Pollution Research Association Conference
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• 2000.11a
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• pp.185-187
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• 2000

대기 중의 오염물질들은 지표면 환경과 식생, 농작물, 수면 등의 침적 대상 표면 그리고 생물 활동에 직접적인 피해를 줄 수 있고 토양오염과 수질오염원이 되는 오염물질 유입을 고려해야 하는 환경문제에 있어서 오염물질 농도 예측에 아주 중요한 역할을 한다. 입자상 물질의 건성침적은 습성 침적과 더불어 중금속이나 SO$_4$$^{2-}$ , NO$_3$$^{-}$ 및 NH$_4$$^{+}$와 같은 화합물을 생태계로 전달하여 생태계를 산성화시키거나 부영양화시킬 수 있는 잠재력을 가지고 있음에도 불구하고, 이러한 입자상 물질에 대한 건성 침적은 관측 결과들이 submicron particle들에 대한 침적 속도가 아주 작음을 보여주고 또한 particle들의 침적 과정의 복잡성 때문에 가스상 물질에 대한 건성침적보다 관심을 덜 받고 있다. (중략)