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중왕산 눈측백( Thuja koraiensis) 고사목의 부후에 따른 형태 변화
장유림 ( Yu Lim Jang ),이윤호 ( Yoon Ho Lee ),정종빈 ( Jong Bin Jung ),박재성 ( Hyun Jung Kim ),김현정 ( Jae Seong Park ),성주한 ( Pil Sun Park ),박필선 ( Joo Han Sung ) 한국임학회 2014 산림과학 공동학술대회 논문집 Vol.2014 No.-
고사목의 부후는 숲의 구조, 고사목에 서식하는 생물이나 물질순환에 중요한 영향을 미친다. 본 연구는 중왕산 지역 눈측백( Thuja koraiensis Nakai) 군락지의 눈측백 고사목을 대상으로 부후의 진행에 따른 고사목의 형태적 특성과 밀도를 조사하였다. 기존의 Thomas 고사 등급 체계에 따라 눈측백 고사목을 분류하고 각 등급별 물리적 특성들을 측정하였다. 눈측백 고사 등급에 따른 목재 밀도 변화가 고사입목(snag)과 도목(log)에서 차이가 있는지 알아보았다. 목재 밀도가 고사목의 부후정도를 반영한다는 가정 하에 고사목의 물리적, 형태적 특성들을 변수로 하여 목재 밀도를 추정할 수 있는 회귀식을 도출하였다. 고사목의 부후가 진행됨에 따라 나타나는 형태적 특성들은 부후 정도와 관련이 있는 것과 관련이 없는 것으로 나눌 수 있었다. 고사 등급에 따른 목재 밀도 변화 양상은 도목과 고사입목 사이에 차이가 없었다. 목재 밀도를 추정하는 회귀식에서 유의한 형태적 변수들은 수간 중단부와 하단부의 잔존 수피 면적 비율, 상단과 중단부 가지 차수, 수간 하단부 가지가 붙어있는 면적 비율, 함수율, 수간 형태 등이었다. 본 연구의 결과를 이용하여 기존 Thomas 고사 등급표를 수정하여 눈측백 고사목의 고사 등급을 제안하였다. Changes in snag as the snag is being decayed affect stand structure, organisms inhabiting the snag, and material cycling. This study investigated the changes in morphological characteristics and wood density of snags and logs of Thuja koraiensis in Mt. Joongwang by the degree of decay of snags and logs. Snags and logs of T. koraiensis were classified by the decay classification of Thomas et al. (1979) and morphological characteristics of snags and logs in each class were measured. The decay pattern by decay class between snags and logs were compared. The relationship between wood density and morphological variables were investigated, assuming wood density was a reliable indicator of the degree of decay. Some morphological characteristics were related to the degree of decay while others were not related to the degree of decay. The variables that could be used to estimate wood density in a regression equation were ratio of bark remains in mid and lower sections of stem, branch order in upper and mid sections of stem, ratio of branch remains in lower stem, moisture content and bole form. A modified decay classification that was applicable to T. koraiensis snags and logs was suggested.
다발골수종 환자의 안전한 투약을 위한 약사의 환자교육 프로세스 개선방안
오미란,성유림,김유진,안혜림,권은영 한국병원약사회 2020 병원약사회지 Vol.37 No.4
Background : As medication errors can cause serious harm to patients, preventing and avoiding them is important. Recently, a series of medication errors associated with taking dexamethasone at the wrong frequency occurred in patients with multiple myeloma in St. Mary’s Hospital. To prevent medication errors, the pharmacy improved the overall process including medication preparation, labeling, patient education, and monitoring. This study aimed to evaluate the effectiveness of these changes and the need for additional action. Methods : The improvements included changing the educational materials, including labeling, and increasing the number of medication counseling sessions. Medication counseling was conducted three times. The first was before starting the medication, the second was 2~3 days after starting medication, and the third was at the end of the first cycle of treatment. Assessment of medication awareness (usage, drug information, 3 points each) and compliance (based on Morisky’s scale, 5 points) was done at each counseling session. Results : The mean age of the study population was 60.8 years. The mean score of medication usage awareness at the 1st, 2nd, and 3rd sessions was significantly increased (2.13, 2.97, 2.97, respectively, p<0.001). The mean score of medication information awareness at the 2nd and 3rd sessions was 1.72 and 1.75, respectively (p=0.872). The medication compliance at the 2nd counseling was higher in the group with medication usage awareness scores of 3 (n=49) than in the group with scores of 2 (n=2; p<0.001). Conclusion : Medication counseling could enhance the awareness of medication usage and the compliance. However, there was no significant difference in the awareness of medication information after repeated education. These results suggest that additional improvement in packaging and clear labeling could be more helpful than enhancing drug information education.
김현정,정종빈,장유림,성주한,박필선 한국식물학회 2015 Journal of Plant Biology Vol.58 No.3
Spring leaf flush and changes in the understory radiation in montane deciduous forests are major determinants of the life cycle of spring ephemerals, which complete their epigeous growth before canopy closure in spring. We compared the growth, carbon allocation, and reproduction of a spring ephemeral, Erythronium japonicum (Balrer) Decne., between the ambient (control) and early shade treatments in the field during the flowering (early-May), fruiting (mid- May), and fruit ripening periods (late-May), under the assumption of early spring canopy closure due to climate change. Carbon allocation was investigated using a 13C labelling experiment. Both sterile (non-flowering) and fertile (flowering) E. japonicum under the shade treatment showed higher specific leaf area and earlier leaf senescence than those in the ambient conditions (p < 0.05). The flowering E. japonicum concentrated on biomass allocation to the aboveground vegetative organs prior to fruiting and to reproductive and storage organs from fruiting. E. japonicum used carbohydrates stored during the previous year for vegetative growth, while the current-year photosynthates were used for the current-year reproduction. Carbon allocation to fruit began earlier under the shade treatment, demonstrating that E. japonicum allocated the current-year photosynthates more to reproduction than to vegetative organs under the early shade conditions. However, the seed size (p = 0.012) and germination rate (p = 0.008) were significantly lower under the shade treatment than under the ambient conditions, implying a potential decrease in viable seed production in the shorter high-light period. The earlier leaf flush could be a critical threat to the population maintenance of spring ephemerals such as E. japonicum.