早春草本植物作为林下生态片层的重要组成部分,尽管其在森林总生物量和生产力中所占的比例相对较小,但它会影响冠层树木的再生并有助于森林生态系统的整体碳平衡,对整个森林生态系统平衡和养分循环产生重要作用。随着氮沉降的日益增加,早春草本植物的生长过程受到影响,但其内在的生长策略变化机理尚不明确。同时,基于早春草本植物独特的生态位,其养分循环的变化将很可能导致整个森林生态系统失衡。因此,本文重在总结前人的研究,探讨早春草本植物在氮添加条件下的生长策略及养分循环的变化,为研究早春植物对整个森林生态系统平衡的作用提供基础理论支持,并指出该领域未来可能的研究方向。
Early spring herbs are an important part of understory ecosystem. Although they account for a relatively small proportion of total forest biomass and productivity, they can affect the regeneration of canopy trees, contribute to the overall carbon balance of forest ecosystem, and play an important role in the balance and nutrient cycle of the whole forest ecosystem. With the increasing of nitrogen deposition, the growth process of early spring herbaceous plants was affected, but the mechanism of the internal growth strategy change was not clear. At the same time, due to the unique niche of early spring herbaceous plants, the change of nutrient cycle is likely to lead to the imbalance of the whole forest ecosystem. Therefore, this paper focuses on the summary of previous studies, discusses the growth strategy and nutrient cycle changes of early spring herbaceous plants under the condition of nitrogen addition, provides basic theoretical support for the study of the effect of early spring plants on the balance of the entire forest ecosystem, and points out the possible research directions in this field in the future.
氮沉降,早春草本植物,内在机理,养分循环,研究进展, Nitrogen Deposition Early Spring Herb Internal Mechanism Nutrient Cycle Research Progress摘要
Early spring herbs are an important part of understory ecosystem. Although they account for a relatively small proportion of total forest biomass and productivity, they can affect the regeneration of canopy trees, contribute to the overall carbon balance of forest ecosystem, and play an important role in the balance and nutrient cycle of the whole forest ecosystem. With the increasing of nitrogen deposition, the growth process of early spring herbaceous plants was affected, but the mechanism of the internal growth strategy change was not clear. At the same time, due to the unique niche of early spring herbaceous plants, the change of nutrient cycle is likely to lead to the imbalance of the whole forest ecosystem. Therefore, this paper focuses on the summary of previous studies, discusses the growth strategy and nutrient cycle changes of early spring herbaceous plants under the condition of nitrogen addition, provides basic theoretical support for the study of the effect of early spring plants on the balance of the entire forest ecosystem, and points out the possible research directions in this field in the future.
Keywords:Nitrogen Deposition, Early Spring Herb, Internal Mechanism, Nutrient Cycle, Research Progress
周 钧,王庆贵. 氮添加对早春草本植物主要功能性状的影响研究进展Research Progress on the Effect of Nitrogen Addition on Main Functional Characters of Early Spring Herbaceous Plants[J]. 世界生态学, 2021, 10(01): 129-137. https://doi.org/10.12677/IJE.2021.101014
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