Plant community and soil properties drive arbuscular mycorrhizal fungal diversity: A case study in tropical forests

Zhang, Jing; Quan, Changxin; Ma, Lingling; Chu, Guowei; Liu, Zhanfeng; Tang, Xuli

doi:10.1007/s42832-020-0049-z

Cited by 29 publications

(14 citation statements)

References 73 publications

(86 reference statements)

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“…The community dynamics of AM fungi depend on dispersal limitation, abiotic filtering, and biotic interactions (Zobel & Öpik, 2014; Vályi et al ., 2016; Zhang et al ., 2021). Translating these driving forces into specific processes, several hypotheses have been formulated to aid our understanding of AM fungal community assembly mechanisms.…”

Section: Introductionmentioning

confidence: 99%

Community response of arbuscular mycorrhizal fungi to extreme drought in a cold‐temperate grassland

Chen

Rillig

et al. 2021

New Phytologist

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Summary Climate extremes pose enormous threats to natural ecosystems. Arbuscular mycorrhizal (AM) fungi are key plant symbionts that can affect plant community dynamics and ecosystem stability. However, knowledge about how AM fungal communities respond to climate extremes in natural ecosystems remains elusive. Based on a grassland extreme drought experiment in Inner Mongolia, we investigated the response of AM fungal communities to extreme drought in association with plant communities. The experiment simulated two types of extreme drought (chronic/intense) of once‐in‐20‐year occurrence. AM fungal richness and community composition exhibited high sensitivity to extreme drought and were more sensitive to intense drought than chronic drought. This community sensitivity (i.e. decline in richness and shifts in community composition) of AM fungi can be jointly explained by soil moisture, plant richness, and aboveground productivity. Notably, the robustness of the plant–AM fungal community co‐response increased with drought intensity. Our results indicate that AM fungal communities are sensitive to climate extremes, and we propose that the plant community mediates AM fungal community responses. Given the ubiquitous nature of AM associations, their climate sensitivity may have profound consequences on plant communities and ecosystem stability under climate change.

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Section: Introductionmentioning

confidence: 99%

Community response of arbuscular mycorrhizal fungi to extreme drought in a cold‐temperate grassland

Chen

Rillig

et al. 2021

New Phytologist

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“…Meanwhile, a large group of rhizophilic guilds function to reduce root pathogen infection and primarily benefit plants with fine roots prone to pathogen infections. Many essential factors can influence the life cycle of AMF, such as the species of host plants [16], light availability [64], temperature [65], rainfall [66], elevation [61], soil properties [67][68][69], and the plant community [70]. However, there is no major factor affecting AMF.…”

Section: Discussionmentioning

confidence: 99%

“…; writing-original draft preparation, F.W. ; writing-review and Many essential factors can influence the life cycle of AMF, such as the species of host plants [16], light availability [64], temperature [65], rainfall [66], elevation [61], soil properties [67][68][69], and the plant community [70]. However, there is no major factor affecting AMF.…”

Section: Discussionmentioning

confidence: 99%

Nitrogen Addition Does Not Change AMF Colonization but Alters AMF Composition in a Chinese Fir (Cunninghamia lanceolata) Plantation

Zheng

Cao

et al. 2022

Forests

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Aims: Our aim was to investigate how N addition affects arbuscular mycorrhizal fungal (AMF) growth in Chinese fir plantations. Methods: A Chinese fir plantation was treated with four different N addition treatments for one and half years starting in April 2019. AMF colonization, hyphal length density, community composition, and soil properties were under measurement. Results: N addition caused inapparent effects on AMF colonization, hyphal length density, and functional guilds (rhizophilic, edaphophilic, and ancestral). The predominant AMF species in the soil was Septoglomus viscosum. N addition altered AMF community and some rare species (e.g., Entrophospora infrequens) disappeared with N addition. Conclusion: AMF community structure was more sensitive to short-time N deposition than the symbiotic relationship between AMF and host plants.

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“…Microbial and AMF biomass was calculated as nmol g −1 based on the internal standard (19:0) concentration. AMF diversity was analyzed by high‐throughput sequencing on an Illumina HiSeq2000 platform as described in Zhang et al (2021). AMF α‐diversity was calculated by the Shannon‐Wiener index.…”

Section: Methodsmentioning

confidence: 99%

Accumulation of glomalin‐related soil protein benefits soil carbon sequestration: Tropical coastal forest restoration experiences

Zhang

et al. 2022

Land Degrad Dev

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Many tropical coastal areas experience severe soil erosion due to heavy rainfall, especially after deforestation. Glomalin‐related soil protein (GRSP), the product of arbuscular mycorrhizal fungi (AMF), improves soil structure and soil organic carbon (SOC) sequestration with vegetation restoration. Therefore, the contribution of GRSP to soil property improvement in a tropical coastal area was studied for four different restoration practices: a barren land (BL, unrestored control), a Eucalyptus exserta planted forest (EF), a mixed broadleaved forest (MF), and a secondary natural forest (SF). Results showed that vegetation restoration practices increased easily‐extractable GRSP (EE‐GRSP) and total GRSP (T‐GRSP) by 3.9–12.3‐ and 1.9–4.6‐times, respectively, compared with BL. The proportions of EE‐GRSP/SOC and T‐GRSP/SOC were 1.6%–2.0% and 6.5%–15.8%. The concentrations of GRSP, SOC, and the GRSP/SOC ratio were similar or greater under MF than under SF. 13C NMR analysis showed that the relatively easily degradable O‐alkyl‐C of SOC was significantly higher under MF than under EF and SF, while the recalcitrant aromatic‐C or alkyl‐C were highest under SF or EF, respectively. A significantly positive relationship was found between the GRSP/SOC ratio and aromatic‐C, and between GRSP and soil aggregate stability. Our study indicates that GRSP contributes to a large proportion of SOC, and benefits SOC sequestration through increasing soil aggregate stability and recalcitrant SOC. Among these artificial or naturally growing forest areas, a mixed forest restoration practice with native tree species provides a promising restoration strategy for heavily eroded land restoration, in particular improving soil aggregation and SOC sequestration.

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Plant community and soil properties drive arbuscular mycorrhizal fungal diversity: A case study in tropical forests

Cited by 29 publications

References 73 publications

Community response of arbuscular mycorrhizal fungi to extreme drought in a cold‐temperate grassland

Community response of arbuscular mycorrhizal fungi to extreme drought in a cold‐temperate grassland

Nitrogen Addition Does Not Change AMF Colonization but Alters AMF Composition in a Chinese Fir (Cunninghamia lanceolata) Plantation

Accumulation of glomalin‐related soil protein benefits soil carbon sequestration: Tropical coastal forest restoration experiences

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