Factors affecting seedling establishment in a warm-temperate secondary forest affected by oak wilt disease

IF 3.6 3区 生物学 Q1 PLANT SCIENCES
Plant Biology Pub Date : 2025-05-26 DOI:10.1111/plb.70051
Celegeer, N. Watanabe, K. Otani, T. Okada, M. Matsushita, M. Nakagawa
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引用次数: 0

Abstract

Abstract Image

暖温带栎树枯萎病次生林育苗的影响因素。
病害是对森林生态系统的主要自然干扰,通过功能性状改变环境条件,引起林分结构的变化,影响幼苗动态。因此,确定影响幼苗动态的因素将有助于更广泛地了解病害干扰后幼苗的再生过程。在2009-2013年和2018-2020年,研究了日本暖温带次生林中21科44属59种木本树种13010株当年幼苗。我们还量化了冠层开度和土壤湿度的时间变化。采用结构方程模型(SEM)研究了环境条件和幼苗功能性状对13种优势种当年秋季幼苗密度的影响。冠层开度逐渐增加,土壤含水量逐渐减少。在JOW破坏后,当年幼苗的招募通过改善光照条件而增加。当年幼苗的功能性状可能在乔木期后期(2011-2013年)受到土壤养分的影响,而凋落物产量在乔木期后期(2018-2020年)影响当年幼苗的功能性状。影响幼苗密度的因素随着环境条件的变化而变化。乔木期后期冠层开度增加,乔木期后期凋落物少,土壤养分含量高,土壤水分高,有利于幼苗形成。我们的研究提供了证据,表明环境条件和幼苗密度的变化与受其他自然干扰影响的森林的变化不同。
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来源期刊
Plant Biology
Plant Biology 生物-植物科学
CiteScore
8.20
自引率
2.60%
发文量
109
审稿时长
3 months
期刊介绍: Plant Biology is an international journal of broad scope bringing together the different subdisciplines, such as physiology, molecular biology, cell biology, development, genetics, systematics, ecology, evolution, ecophysiology, plant-microbe interactions, and mycology. Plant Biology publishes original problem-oriented full-length research papers, short research papers, and review articles. Discussion of hot topics and provocative opinion articles are published under the heading Acute Views. From a multidisciplinary perspective, Plant Biology will provide a platform for publication, information and debate, encompassing all areas which fall within the scope of plant science.
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