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2025 Vol.34, Issue 4 Preview Page

Original Articles

Analysis of CO2 Absorption Capacity of Various Moss Species under Different Light Intensities and Humidity Conditions

광도와 습도조건에 따른 다양한 이끼의 CO2 흡수 능력 분석

Wonkyu Yi1
,
Jiwon Bae2
,
Seungyong Hahm1
,
Jongseok Park34*
이 원규1
,
배 지원2
,
함 승용1
,
박 종석34*
1Graduate Student, Department of Horticulture Science, Chungnam National University, Daejeon 34134, Korea
2Graduate Student, Department of Bio-AI Convergence, Chungnam National University, Daejeon 34134, Korea
3Professor, Department of Horticultural Science, Chungnam National University, Daejeon 34134, Korea
4Professor, Department of Bio-AI Convergence, Chungnam National University, Daejeon 34134, Korea
1충남대학교 원예학과 대학원생
2충남대학교 바이오 AI 융합학과 대학원생
3충남대학교 원예학과 교수
4충남대학교 바이오 AI 융합학과 교수
*Corresponding Author
31 October 2025. pp. 420-428
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Abstract

As modern individuals spend most of their time indoors, maintaining optimal indoor air quality (IAQ) is essential for health and well-being. Moss has been recognized as a promising nature-based solution for IAQ improvement due to its CO2 absorption and pollutant filtration capabilities. This study evaluated the CO2 absorption capacity of six moss species under controlled conditions in a sealed acrylic chamber with two light intensities (50 and 200µmol·m-2·s-1). Results showed that ‘Hypnum plumaeforme’ and ‘Racomitrium yakushimense’ exhibited the highest CO2 absorption capacity (0.193, 0.494L·m-2·h-1) at 50 and 200μmol·m-2·s-1, respectively. Contrary to common belief, moss species demonstrated significantly higher CO2 absorption efficiency under high light intensity, suggesting their adaptability to higher light environments. Additionally, higher relative humidity enhanced CO2 absorption, with the capacity peaking at around 100% RH. Respiration experiments further confirmed that the rate CO2 absorption through photosynthesis was approximately 2.9 times greater than the respiration rate. These findings highlight the potential of moss for IAQ improvement and carbon sequestration, offering insights into optimal species selection and environmental conditions for urban applications.

Keywords
CO2 absorption
indoor air quality(IAQ)
moss
photosynthesis
respiration

본 연구는 광도와 습도 조건에 따라 다양한 이끼 종의 CO2 흡수 능력을 평가하여 실내 공기질 개선을 위한 적합 식생 자원을 탐색하고자 수행되었다. 6종의 이끼를 밀폐형 아크릴 챔버에서 재배하며 광도(50, 200μmol·m-2·s-1)와 상대습도(75, 85, 100%)에 따른 CO2 흡수량을 정량적으로 분석하였다. 그 결과, Hypnum plumaeforme와 Racomitrium yakushimense는 두 광조건에서 가장 높은 CO2 흡수 능력을 나타냈으며, 고광도에서 흡수량이 평균 2.6배 증가하였다. 또한 상대습도 100%에서 최대 CO2 흡수 능력이 확인되었고, 광합성 속도는 호흡 속도보다 약 2.9배 빠른 것으로 나타났다. 본 연구의 결과는 이끼가 광·습도 조건에 따라 CO2 흡수량이 변화하는 것을 보여주며, 실내 공기질 개선, 탄소 저감형 도시 녹화, 밀폐 환경 내 생태 기반 공기정화 기술 개발의 기초 자료로 활용될 수 있다.

키워드
공기정화
광합성
도시녹화
밀폐형 챔버
상대습도
실내 공기질
이끼
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Information
  • Publisher :The Korean Society for Bio-Environment Control
  • Publisher(Ko) :(사)한국생물환경조절학회
  • Journal Title :Journal of Bio-Environment Control
  • Journal Title(Ko) :생물환경조절학회지
  • Volume : 34
  • No :4
  • Pages :420-428
  • Received Date : 2025-04-30
  • Revised Date : 2025-10-02
  • Accepted Date : 2025-10-09
  • DOI :https://doi.org/10.12791/KSBEC.2025.34.4.420
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