Benefits of mycorrhizal inoculation to ecological restoration depend on plant functional type, restoration context and time

Neuenkamp, Lena; Prober, Suzanne M.; Price, Jodi N.; Zobel, Martin; Standish, Rachel J.

doi:10.1016/j.funeco.2018.05.004

Cited by 117 publications

(99 citation statements)

References 51 publications

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“…These plant–microbial relationships represent an important ecologically networked system that can influence vegetation dynamics and functions of terrestrial ecosystems (van der Heijden, Bardgett, & van Straalen, ). Given the critical roles of soil microbes in ecological restoration (Neuenkamp, Prober, Price, Zobel, & Standish, ), previous studies have assessed the correlations between plants and microbes, such as arbuscular mycorrhizal fungi (AMF; Garcia de Leon et al, ). However, more comprehensive studies are needed, especially those exploring the relationships between plants and multiple groups of soil microbes.…”

Section: Introductionmentioning

confidence: 99%

Soil microbial diversity during 30 years of grassland restoration on the Loess Plateau, China: Tight linkages with plant diversity

et al. 2019

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Restoring ecosystems has been a key strategy to combat land degradation and reverse losses in biodiversity. Because interactions between communities above and below the ground drive key ecosystem processes, they can profoundly influence ecological succession trajectories. However, relatively little empirical information is available for plant-microbial diversity linkages during ecological restoration. Here, using the Illumina platform for bacterial and fungal sequencing, we investigated linkages between soil microbial and plant diversity across a 30-year chronosequence of restored grasslands on the Loess Plateau in Northwestern China. The results showed that plant, bacterial, and fungal species richness all increased with increased years of grassland restoration, during which their community compositions shifted among six different habitats. The microbial community assembly data were integrated into a co-occurrence network analysis, revealing greater network complexity in the late restoration stage (25 and 30 years). The alpha and beta diversities of both the bacterial and fungal communities were significantly and positively correlated with plant communities. Bacterial community composition was governed primarily by soil edaphic factors and deterministic processes, whereas fungal community composition was structured mainly by plant community composition and both deterministic and stochastic processes. This evidence strongly suggests that different ecological processes shaped bacterial and fungal communities during ecological restoration of the grasslands. Our results provide insight into the aboveground-belowground associations of restored habitats, which may have implications for ecological restoration practices and biodiversity maintenance in arid and semiarid grassland ecosystems.

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Section: Introductionmentioning

confidence: 99%

Soil microbial diversity during 30 years of grassland restoration on the Loess Plateau, China: Tight linkages with plant diversity

et al. 2019

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“…The potential role of AMF inoculation for ecological restoration has been well recognized even before restoration ecology emerged as a scientific field of study (Janos, 1980). AMF inoculation, among others, can significantly improve tree seedlings nutrients and water relation to potentially improve their field survival, establishment and growth thereby improving forest restoration success (Asmelash et al, 2016;Neuenkamp et al, 2018). AMF inoculums either comprise single species or are consortia of species or are whole soil inoculums of which, the latter is known to have much better positive effect (Hoeksema et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Comparative field survival and growth of selected Ethiopian native tree species and the effect of whole soil arbuscular mycorrhizal fungi inoculation

Asmelash¹,

Bekele²,

Belay³

2019

J. Hortic. For.

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Tree species selection and seedlings lack of infective arbuscular mycorrhizal fungi (AMF) could potentially contribute to low forest restoration success in Ethiopia. Hence, we evaluated the comparative field performance of Cordia africana (C. africana), Juniperus procera (J. procera), and Podocarpus falcatus (P. falcatus) seedlings and the effect of whole soil AMF inoculation. Seedlings prepared using the existing practice were planted on a field at Chancho, Central Ethiopia. Seedlings were inoculated with six types of whole soil AMF inoculums, no inoculation being the control. Seedlings survival was determined at the end of the 11 th month; relative growth rate in collar diameter (RGR-CD) and height (RGR-H) was determined at the 1 st , 2 nd , 5 th , 8 th , and 11 th months. We found out that the plantation site were very fertile with available phosphorus (Av P) =103.16 mg/Kg; total nitrogen (TN) = 0.376%; organic carbon (OC) = 3.12%; AMF spore abundance = 6.91±2.00 g-1. None of the P. falcatus and C. africana seedlings survived while 25% of J. procera seedlings survived. AMF inoculation did not have statistically significant effect on RGR-CD and RGR-H but conspecific inoculum resulted in significantly lower RGR-H of C. africana at the 2 nd month, indicating the probability of species specific effect of AMF inoculation.

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“…The process of land reclamation following industrial disturbance is essential to the recovery of ecosystem services. During this process, fungi play an important role in facilitating the establishment of seedlings, through beneficial mycorrhizal associations that result in increased nutrient availability and improved seedling growth [23]; however, there can be a dearth of fungal inocula in soils that have been stockpiled for use in land reclamation [21]. Thus, the natural dispersal of fungi into a reclaimed area is critical for optimal plant establishment [26].…”

Section: Discussionmentioning

confidence: 99%

“…In Alberta, reclamation following resource extraction requires that soil be placed and vegetation established, by planting and natural colonization [14], such that the site is on a trajectory for return to equivalent land capability, a condition in which the post-disturbance landscape can support pre-disturbance activities [15]. As such, land reclamation represents an area of intensive research, with studies focused on soil placement e.g., [16][17][18] and plant community establishment e.g., [14,19,20], including the potential for ectomycorrhizal fungi to promote seedling establishment e.g., [21][22][23]. In reclaimed areas where soils have been replaced after a period of stockpiling, the soil microbial community, including ectomycorrhizal fungi, is degraded relative to that in adjacent undisturbed areas [21,24].…”

Section: Introductionmentioning

confidence: 99%

Distance from the Forest Edge Influences Soil Fungal Communities Colonizing a Reclaimed Soil Borrow Site in Boreal Mixedwood Forest

Ramsfield

Shay

Trofymow

et al. 2020

Forests

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Soil fungi are important components of boreal forest ecosystems; for example, saprotrophic fungi regulate nutrient cycling, and mycorrhizal species facilitate nutrient uptake by plants. This study aimed to assess soil fungal communities in a reclaimed area and an adjacent natural mixedwood forest and to identify the distribution of taxa available for seedling colonization. Soil fungal microbiomes were assessed along three transects (from 10 m inside the interior of the undisturbed forest to 40 m inside the reclaimed area) and in the roots of small aspen within the natural forest. Using high-throughput deoxyribonucleic acid (DNA) sequencing of internal transcribed spacer amplicons, a total of 2796 unique fungal taxa were detected across fine roots, forest floor, and mineral soils collected along the transects, whereas 166 taxa were detected in the aspen roots from the natural forest. Within the interior of the forest, ectomycorrhizal fungi were more common, whereas in the reclaimed areas, arbuscular mycorrhizae and saprophytes were more common. This survey showed that natural areas of adjacent undisturbed forest can act as a source of ectomycorrhizal fungi for dispersal into reclaimed areas. Notably, soil fungal taxa colonizing the root systems of small aspen included species that are specifically associated with soils from the undisturbed forest (primarily ectomycorrhizae) or the reclaimed clearing (saprotrophs and plant pathogens).

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Benefits of mycorrhizal inoculation to ecological restoration depend on plant functional type, restoration context and time

Cited by 117 publications

References 51 publications

Soil microbial diversity during 30 years of grassland restoration on the Loess Plateau, China: Tight linkages with plant diversity

Soil microbial diversity during 30 years of grassland restoration on the Loess Plateau, China: Tight linkages with plant diversity

Comparative field survival and growth of selected Ethiopian native tree species and the effect of whole soil arbuscular mycorrhizal fungi inoculation

Distance from the Forest Edge Influences Soil Fungal Communities Colonizing a Reclaimed Soil Borrow Site in Boreal Mixedwood Forest

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