ArticleBMC plant biology2022
Contrasting effects of plant inter- and intraspecific variation on community trait responses to nitrogen addition and drought in typical and meadow steppes.
Article in BMC plant biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed.
- A 15-Day Grazing-15-Day Rest Regime Promotes Plant Diversity and Leaf-Trait Responses in an Alpine Shrub Meadow of the Qilian Mountains, Northeastern Qinghai-Tibet Plateau.Plants (Basel, Switzerland) · 2026Article
- Functional Trait Divergence Underlies the Spatial Trade-Off Between Water and Nitrogen Use Efficiencies in Northern Tibetan Alpine Grasslands.Plants (Basel, Switzerland) · 2026Article
- Article
- A simple new method to determine leaf specific heat capacity.Plant methods · 2025Article
- Influence of nitrogen addition on soil respiration and soil properties in urban forests in Hefei city in China.PloS one · 2025Article
- Effects of drought and moisture stress on the growth and ecophysiological traits of Schima superba seedlings.Photosynthesis research · 2024Article
- Responses of Intraspecific and Interspecific Trait Variations to Nitrogen Addition in a Tibetan Alpine Meadow.Plants (Basel, Switzerland) · 2024Article
- Article
- Intraspecific variation in fine-root traits is larger than in aboveground traits in European herbaceous species regardless of drought.Frontiers in plant science · 2024Article
- Distribution and morphological variation of tree ferns (Cyatheaceae) along an elevation gradient.PloS one · 2023Article
- Effects of Simulated Nitrogen Deposition and Micro-Environment on the Functional Traits of Two Rare and Endangered Fern Species in a Subtropical Forest.Plants (Basel, Switzerland) · 2022Article
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9 authors.
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Abstract
backgroundInter- and intraspecific variation in plant traits play an important role in grassland community assembly under global change scenarios. However, explorations of how these variations contribute to the responses of community traits to nitrogen (N) addition and drought in different grassland types are lacking. We measured the plant height, leaf area (LA), specific leaf area (SLA), leaf dry matter content (LDMC), leaf N content (LNC) and the ratio of leaf carbon (C) to leaf N (C:N) in a typical and a meadow steppe after three years of N addition, drought and their interaction. We determined the community-weighted means (CWMs) of the six traits to quantify the relative contribution of inter- and intraspecific variation to the responses of community traits to N addition and drought in the two steppes.
resultsThe communities in the two steppes responded to N addition and the interaction by increasing the CWM of LNC and decreasing C:N. The community in the meadow steppe responded to drought through increased CWM of LNC and reduced C:N. Significant differences were observed in SLA, LDMC, LNC and C:N between the two steppes under different treatments. The SLA and LNC of the community in the meadow steppe were greater than those of the typical steppe, and the LDMC and C:N exhibited the opposite results. Moreover, variation in community traits in the typical steppe in response to N addition and drought was caused by intraspecific variation. In contrast, the shifts in community traits in the meadow steppe in response to N addition and drought were influenced by both inter- and intraspecific variation.
conclusionsThe results demonstrate that intraspecific variation contributed more to community functional shifts in the typical steppe than in the meadow steppe. Intraspecific variation should be considered to understand better and predict the response of typical steppe communities to global changes. The minor effects of interspecific variation on meadow steppe communities in response to environmental changes also should not be neglected.
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