Richness of Arbuscular Mycorrhizal Fungi in a Brazilian Tropical Shallow Lake: Assessing an Unexpected Assembly in the Aquatic-Terrestrial Gradient

被引：4
作者：
Gomes, Stephania Ruth Basilio Silva [1 ]
de Queiroz, Mariana Bessa [1 ]
Leroy, Juliana Aparecida Souza [1 ]
de Lima, Juliana Luiza Rocha [1 ]
Freire, Fulvio Aurelio de Morais [2 ]
Jobim, Khadija [1 ]
de Souza, Francisco Adriano [3 ]
Goto, Bruno Tomio [1 ]
机构：
[1] Univ Fed Rio Grande do Norte, Dept Bot & Zool, Lab Biol Micorrizas, Campus Univ, BR-59072970 Natal, RN, Brazil
[2] Univ Fed Rio Grande do Norte, Dept Bot & Zool, Lab Biol Ecol & Evolucao Crustaceos, Campus Univ, BR-59072970 Natal, RN, Brazil
[3] Embrapa Milho & Sorgo, Nucleo Biol Aplicada, BR-35701970 Sete Lagoas, MG, Brazil
来源：
DIVERSITY-BASEL | 2022年 / 14卷 / 12期
关键词：
AMF communities; coastal sandy plain vegetation (restinga); diversity; Glomeromycota; lentic ecosystems; oligotrophic; seasonality; SPECIES-DIVERSITY; SAND DUNES; R-PACKAGE; MOLECULAR DIVERSITY; SEASONAL-VARIATION; LOBELIA-DORTMANNA; MARITIME DUNES; GLOMEROMYCOTA; COMMUNITIES; WETLAND;
D O I：
10.3390/d14121046
中图分类号：
X176 [生物多样性保护];
学科分类号：
090705 ;
摘要：
Aquatic ecosystems are historically overlooked regarding the occurrence of Arbuscular Mycorrhizal Fungi (AMF). Tropical lakes in the southern hemisphere are generally impacted by human actions, such as those in Brazil, although they still preserve a great diversity of macrophyte species that can support AMF communities. Thus, the study aimed to test (i) whether AMF community structure (composition, richness, diversity, dominance, and evenness) differs between aquatic and terrestrial conditions, and (ii) between seasons-rainy and dry. A total of 60 AMF species, distributed in 10 families and 17 genera, were found, with a difference in AMF composition between conditions (terrestrial and aquatic) and seasons (dry and rainy). The absolute species richness differed between conditions, seasons, and interactions. The aquatic/rainy season, which retrieved the most significant number of species, had the highest absolute richness and number of glomerospores and differed significantly from the terrestrial/rainy season. The results suggest that a shallow oligotrophic lake harbors a high AMF richness. In addition, this environment has a distinct AMF community from the adjacent coastal sand plain vegetation and is affected by seasonality.
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页数：18
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