The relationship between biodiversity and the biomass of grasslands in the Zagreb area (NW Croatia)

IF 1.1 4区 生物学 Q3 PLANT SCIENCES Acta Botanica Croatica Pub Date : 2022-05-20 DOI:10.37427/botcro-2022-020
Marta Justić, S. Jelaska
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Abstract

Research into the floristic and ecological characteristics of grasslands in the Zagreb area was conducted in June and July 2020. Eight localities were processed, each containing two 1m2 plots. The floristic composition of each quadrat was analysed and the presence of two vegetation communities, Festuco-Brometea and Molinio-Arrhenatheretea, was determined. Although indigenous taxa dominate, two invasive plants: Echinocystis lobata (Michx.) Torr. et A. Gray and Erigeron annuus (L.) Desf. have been recorded. Based on the functional traits of taxa, the functional diversity of plots was calculated and compared with the number of taxa and the weight of plant biomass collected within the plots. Functional diversity values ranged from 1.121 to 2.060 and dry biomass from 251.4 to 586.8 g m-2 per quadrat. Correlation analyses linked a decrease in the number of taxa and functional diversity with an increase in biomass and specific leaf area. Functional diversity is positively correlated with the number of taxa, plant dry matter content and leaf dry matter content. It is necessary to conduct this type of research in other grassland communities in Croatia to obtain more detailed insights into the relations of these parameters.
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克罗地亚西北部萨格勒布地区草地生物多样性与生物量的关系
2020年6月和7月对萨格勒布地区草原的植物区系和生态特征进行了研究。八个地点被处理,每个地点包含两个1m2的地块。分析了各样方的区系组成,确定了Festuco-Brometea和Molinio-Arrhenatheretea两个植被群落的存在。尽管本地分类群占主导地位,但两种入侵植物:棘囊藻(Echinocystis lobata)。托。et A. Gray和Erigeron annuus (L.)Desf。都有记录。根据分类群的功能特征,计算样地的功能多样性,并与样地内的分类群数量和植物生物量生物量进行比较。功能多样性值为1.121 ~ 2.060,干生物量值为251.4 ~ 586.8 g m-2 /样方。相关分析表明,类群数量和功能多样性的减少与生物量和比叶面积的增加有关。功能多样性与类群数量、植物干物质含量和叶片干物质含量呈正相关。有必要在克罗地亚的其他草原群落中进行此类研究,以更详细地了解这些参数之间的关系。
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来源期刊
Acta Botanica Croatica
Acta Botanica Croatica PLANT SCIENCES-
CiteScore
2.50
自引率
0.00%
发文量
34
审稿时长
>12 weeks
期刊介绍: The interest of the journal is field (terrestrial and aquatic) and experimental botany (including microorganisms, plant viruses, bacteria, unicellular algae), from subcellular level to ecosystems. The attention of the Journal is aimed to the research of karstic areas of the southern Europe, karstic waters and the Adriatic Sea (Mediterranean).
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