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김효겸,이학영,주기재 한국조류학회I 2019 ALGAE Vol.34 No.2
Habitat-forming species increase spatial complexity and alter local environmental conditions, often facilitating theassembly of plants and animals. We conducted a trait-based approach to algal assemblages associated with the freshwaterbryozoan, Pectinatella magnifica. Association with algae leads to the inner bodies of the bryozoans being coloredgreen; this is frequently observed in the large rivers of South Korea. We collected the green-colored gelatinous matricesand phytoplankton from waterbodies of the two main rivers in South Korea. Algal assemblages within the coloniesand in the waterbodies were compared using the three diversity indices (richness, diversity, and dominance), and thecomposition of functional groups (FGs) and morphologically based functional groups (MBFGs) between the colonieswithin and outside of P. magnifica colonies. The most dominant and common species within the colonies were Oscillatoriakawamurae and Pseudanabaena catenata, both of which were assigned to the same FG (codon S1). Of the algalassemblages within the colonies, the dominance was higher, while the richness and diversity were lower, than those inthe waterbodies. There was variation in the compositions of FGs and MBFGs in the waterbodies outside the colonies. Total nitrogen and orthophosphate led to dominance, and were significant factors for the variation in FGs in the waterbodies,whereas there were no such significant factors within the colonies. This trait-based approach to the communitystructure of associated algae provides the status and habitat gradient of these communities, which are stable, isolated,and consistent with the overgrowth of shade-adapted tychoplanktonic cyanobacteria.
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마이스터 고등학교 학생의 전공심화동아리 활동 경험에 대한 내러티브 탐구
김효겸 학습자중심교과교육학회 2023 학습자중심교과교육연구 Vol.23 No.10
Objectives The purpose of this study is to examine the experiences of students in a specialized extracurricular program at Meister High School, focusing on their narratives, in order to understand their meaning. Methods To achieve this, three 3rd grade students who were participating in an extracurricular program at Meister High School were selected as participants. Interviews were conducted at the participants' school, and data was collected through two rounds of interviews with each participant, totaling six interviews. The collected data was used to construct a narrative through first and second order open coding, and the final narrative text was derived by sharing the constructed narrative with research participants and receiving feedback. Results Students begin participating in the specialized extracurricular program with the expectation that they can achieve something through it. While some students have experienced an improvement in their sense of accomplishment and professional abilities through the program, others have been left with disappointment and regret. However, it has been observed that students have developed both self-imposed and externally imposed negative perceptions through their participation, and there is a deep sense of skepticism regarding the extracurricular program. Conclusions In order for students to develop a positive self-concept through their participation in the specialized extracurricular program, a system must be established where all individuals' efforts are rewarded fairly. This means transitioning from a system that values results based on competition to one that values the abilities gained through their efforts. Through this transition, it is hoped that students will find joy in all aspects of their participation in the extracurricular program and have experiences that allow for growth and development. 목적 본 연구는 마이스터 고등학교 전공심화동아리 학생의 내러티브를 중심으로 그들의 경험을 살펴보며 그 의미를 이해하려는 목적을 가지고 있다. 방법 이를 위하여 전공심화동아리를 운영하고 있는 마이스터 고등학교에서 동아리 활동을 하고 있는 3학년 학생 세 명을 참여자로선정하였다. 면담은 참여자의 학교에서 이루어졌으며 각 참여자와 두 차례, 총 여섯 차례의 면담을 통해 자료를 수집하였다. 수집된자료를 1, 2차 개방 코딩을 통해 내러티브를 구성하였고, 구성된 내러티브를 연구 참여자에게 공유하여 피드백을 받아 최종 네러티브 텍스트를 도출하였다. 결과 학생들은 전공심화동아리를 통해 무언가를 이룰 수 있다는 기대감을 갖고 활동을 시작한다. 활동 경험이 성취감과 전공 능력을향상할 수 있었던 학생이 있는가 하면 아쉬움과 후회로 남는 학생도 있다. 다만 학생들은 활동을 통해 자의적, 타의적으로 부정적인식이 생겨남을 확인할 수 있었으며, 전공동아리 활동에 대한 깊은 회의감이 동반됨을 볼 수 있다. 결론 전공동아리 활동을 통해 학생들이 긍정적 자아를 형성할 수 있도록 하기 위해선 모든 이들의 노력이 정당한 보상을 받을 수있는 체계가 구축되어야 한다. 이는 기존의 경쟁에 따른 결과에 가치를 두는 것이 아닌 그들의 노력에 따라 갖추게 된 능력에 가치를두는 시스템으로의 전환을 말한다. 이러한 전환을 통해 학생들이 전공심화동아리에서 경험하는 모든 일에 즐거움을 느끼고, 그 과정을 통해 더욱 성장하고 발전할 수 있는 경험을 할 수 있길 기대해 본다.
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