Impact of Short-Term Abandonment on the Structure and Functions of Semi-Natural Dry Grasslands

IF 0.4 4区生物学 Q4 PLANT SCIENCES

GAYANA BOTANICA Pub Date : 2020-06-01 DOI:10.2478/botlit-2020-0004

Domas Uogintas, V. Rašomavičius

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引用次数: 1

Abstract

Abstract A study of the impact of short-term abandonment on the structure and functions of semi-natural dry grasslands in Lithuania was performed. Data on the abundance of vascular plant species, hay and litter samples were collected. At the same time, plant functional traits and Ellenberg indicator values were used to evaluate the effect of abandonment on the structure and functions of semi-natural dry grasslands. The results showed that litter layer was significantly heavier in unmanaged plots compared to that in managed plots. The vascular plant species pool was higher in managed plots, where 62 vascular plant species were identified, while in unmanaged plots 46 species were identified. The species richness was significantly higher in managed semi-natural dry grasslands. Unmanaged plots had 12.3 ± 0.6 species, while managed plots had 17.7 ± 1.2 species per one square metre. Functional plant traits were similar in mowed and abandoned communities, while functional diversity was lower in unmanaged communities. These results are a clear indicator that the managing of semi-natural dry grasslands creates heterogeneity of the environment.

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短期撂荒对半自然干旱草原结构和功能的影响

摘要研究了短期撂荒对立陶宛半自然干旱草原结构和功能的影响。收集了维管植物种类、干草和凋落物样本的丰度数据。同时，利用植物功能性状和Ellenberg指标值评价撂撂撂撂来对半自然干旱草地结构和功能的影响。结果表明:无管理样地凋落物层明显重于管理样地;有管理样地维管植物种种库较高，共鉴定出62种，未管理样地维管植物种种库为46种。半自然干草地的物种丰富度显著高于经管理的半自然干草地。非管理样地每平方米有12.3±0.6种，管理样地每平方米有17.7±1.2种。刈割后和撂荒后群落植物功能性状基本一致，未管理群落植物功能多样性较低。这些结果清楚地表明，半自然干旱草原的管理造成了环境的异质性。

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来源期刊

GAYANA BOTANICA Agricultural and Biological Sciences-Plant Science

CiteScore

0.70

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： The journal welcomes works carried out by scientists of all nationalities, and may be written in either English or Spanish. The journal receives works in systematic, taxonomy, floristic, ecology, physiology, morphology, development, conservation, cytology and phytochemical botany.