波兰西部农业景观中短暂小生境中大型真菌物种多样性的形成模式和因素

IF 0.4 4区环境科学与生态学 Q4 ECOLOGY

Polish Journal of Ecology Pub Date : 2019-12-09 DOI:10.3161/15052249PJE2019.67.3.004

A. Kujawa, K. Kujawa

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引用次数: 0

摘要

本研究(在波兰西部进行)旨在认识位于耕地的秸秆堆(SH)和粪肥堆(MH)对农田真菌多样性的重要性。在SH (N = 89)和MH (N = 169)的19.1%和60.4%中发现真菌(24种，1种无菌形式)。物种丰富度(Chao2)分别为29.8±12.7和18.1±2.5 (SD)。两地真菌群落的物种组成差异显著，短期生境对真菌多样性的贡献显著。森林中真菌的发生与堆大小呈显著正相关，而森林中真菌的种类数量则与森林或防护林的遮挡程度密切相关。结果表明，农田土壤中SH和MH数量的减少(硝酸盐指令要求)和景观简化都不利于真菌多样性。

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Pattern and factors shaping species diversity of macromycetes in ephemeral small habitats in an agricultural landscape in western Poland

ABSTRACT This study (conducted in western Poland) was aimed at recognizing the importance of straw heaps (SH) and manure heaps (MH) located in cultivated fields for fungal diversity in farmland. Fungi (24 species and 1 sterile form) were found in 19.1% of SH (N = 89) and 60.4% of MH (N = 169). The estimated species richness (Chao2) was 29.8 ± 12.7 and 18.1 ± 2.5 (SD), respectively. Species composition of fungal communities differed significantly between SH and MH. The studied ephemeral habitats contributed markedly to fungal diversity, both locally and on the national scale. The occurrence of fungi in SH was significantly positively related to heap size, while fungal species number in MH depended most strongly on the degree of shielding, linked with proximity of woods or shelterbelts. The results show that both the reduction of SH and MH numbers in farmlands (required by the Nitrates Directive) and landscape simplification are unfavorable for fungal diversity.

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来源期刊

Polish Journal of Ecology 环境科学-生态学

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

18-36 weeks

期刊介绍： POLISH JOURNAL OF ECOLOGY (formerly Ekologia polska) publishes original scientific research papers dealing with all aspects of ecology: both fundamental and applied, physiological ecology, evolutionary ecology, ecology of population, community, ecosystem, landscape as well as global ecology. There is no bias regarding taxons, ecosystems or geographical regions.