生态研究

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气候变暖对热带森林有何影响?国际最新研究称或加快土壤呼吸
Zhong Guo Xin Wen Wang· 2025-09-17 08:53
Core Insights - The latest research published in the journal "Nature Communications" indicates that climate warming may accelerate soil respiration rates in tropical forests, leading to increased carbon loss from soil, which could impact global climate predictions [1][2] Group 1: Research Findings - A field experiment showed that soil respiration rates in warmed plots were found to be 42%-204% higher than in control plots, reaching some of the highest soil respiration rates reported in terrestrial ecosystems [2] - The additional carbon released from warmed plots was estimated to be between 6.5 to 81.7 tons per hectare annually, depending on the slope position, with the highest carbon release occurring in upper slope areas [2] - The authors suggest that these increases may be due to changes in the microbial community functions in warmed soils, affecting their ability to metabolize carbon or altering the composition of microbial communities [2] Group 2: Implications - The study's findings indicate that in a warmer world, tropical forest ecosystems may experience significant carbon loss, highlighting the importance of further research to understand the underlying mechanisms of these processes for assessing the long-term impacts of climate change [2]
在世界屋脊探寻高原生态的秘密(弘扬科学家精神·对话)
Ren Min Ri Bao· 2025-08-06 22:49
Core Viewpoint - The article highlights the significant contributions of Professor La Qiong in the field of biodiversity conservation and plant adaptation research in extreme environments, particularly in the Tibetan Plateau, emphasizing the importance of local talent cultivation and scientific research in ecological protection efforts [2][11]. Group 1: Personal Background and Academic Journey - La Qiong, born in October 1969 in Tibet, has dedicated over 30 years to ecological research and education, focusing on high-altitude plant diversity [2]. - His early experiences in the Tibetan wilderness inspired his passion for studying high-altitude plants, leading him to pursue a career in biology after graduating from Southwest University [3][4]. Group 2: Influence of Mentorship - La Qiong credits his mentor, Professor Zhong Yang, with instilling a "seed spirit" that shaped his academic philosophy and commitment to research in the Tibetan Plateau [5]. - Zhong Yang's dedication to high-altitude plant research and his perseverance in the face of health challenges serve as a profound inspiration for La Qiong [6]. Group 3: Research Focus and Methodology - La Qiong's current research centers on the adaptive mechanisms of Tibetan Plateau plants, utilizing genetic studies to uncover their evolutionary traits [8]. - This research approach allows for a deeper understanding of plant characteristics at the molecular level, enhancing knowledge of their adaptations to extreme environments [8]. Group 4: Ecological Protection and Local Talent Development - The article discusses the limitations of traditional conservation methods and advocates for a more precise understanding of species development patterns through molecular research, which can lead to targeted conservation efforts [10]. - La Qiong emphasizes the importance of nurturing local talent in ecological research, as they possess advantages in conducting fieldwork in the challenging conditions of Tibet [11]. Group 5: Data Collection and Monitoring Initiatives - The establishment of the Yani Wetland Ecosystem National Observation Research Station marks a significant step in ecological monitoring and data collection in the Tibetan Plateau [13]. - La Qiong and his team are working on building a comprehensive ecological monitoring system to gather more systematic data, which is crucial for understanding the entire ecosystem [13].
海南热带雨林国家公园连续分期开展5个年度GEP核算
Hai Nan Ri Bao· 2025-03-31 01:34
Core Insights - The total ecological product value (GEP) of Hainan Tropical Rainforest National Park for 2023 reached 208.75 billion yuan, with a per unit area GEP of 0.49 million yuan per square kilometer, highlighting the park's ecological value and its critical role in ecological civilization construction [1][2] Group 1 - The GEP accounting has been conducted annually from 2019 to 2023, providing insights into the ecological product values and helping to identify potential risks within the ecosystem [1] - The continuous monitoring of GEP serves as a tool to detect ecosystem issues and supports the transition of ecological products from "priceless" to "valuable" [1] - The park aims to enhance the application of GEP accounting results and explore mechanisms for realizing ecological product values through ongoing research and technological advancements [2] Group 2 - The park addresses the challenges of measuring, trading, realizing, and mortgaging ecological product values, with a focus on overcoming the measurement difficulties [2] - Future efforts will include improving ecological environment monitoring systems using modern technology to enhance data accuracy and timeliness [2] - The goal is to effectively realize the ecological product values of the national park through expanded data acquisition channels [2]