期刊
BASIC AND APPLIED ECOLOGY
卷 58, 期 -, 页码 121-129出版社
ELSEVIER GMBH
DOI: 10.1016/j.baae.2021.12.001
关键词
Clonality; Plant architecture; Plant traits; Seed mass; Seed number; White Carpathian Mts
类别
资金
- Grant Agency of the Czech Republic [19-13231S]
- long-term research development project of the Czech Academy of Sciences [RVO 67985939]
- Hungarian Eotvos Scholarship
- Tempus Public Foundation
This study evaluated the impact of plant clonality on the generative reproduction characteristics of grassland species and found that clonality had a weaker effect compared to leaf economics and plant architecture.
Although plant clonality is an important reproductive strategy complementing seed reproduction, their interrelationship is seldom studied. We evaluated how plant clonality, together with plant economics spectrum and architectural constraints, affect the generative reproduction characteristics of co-existing grassland species. For this purpose, we collected data on seed number, seed mass and seed yield (seed mass x seed number) per shoot of 56 herbaceous species from temperate grasslands in the White Carpathian Mts. (SE Czech Republic). Clonality had a weaker effect on seed traits than leaf economics and plant architecture. Metamer size showed the strongest relationship to seed number per shoot, while leaf dry matter content and canopy height were the most important factors affecting average seed mass in the studied species. Seed yield was affected by both leaf nitrogen and metamer size but only for plants with long lived shoots (di- and polycyclic). The negative correlation between seed mass and seed number per shoot for our dataset was confirmed. Our study did not support the idea that clonality is the most important factor affecting seed production in grassland species and pointed out complex relationships of coordinated traits in coexisting species. (C) 2021 The Authors. Published by Elsevier GmbH on behalf of Gesellschaft fur Okologie.
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