Slow soil enzyme recovery following invasive tree removal through gradual changes in bacterial and fungal communities

Sarah J Sapsford; Ian A Dickie

doi:10.1111/1365-2745.14186

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Slow soil enzyme recovery following invasive tree removal through gradual changes in bacterial and fungal communities

Journal article

Open access

Peer reviewed

Slow soil enzyme recovery following invasive tree removal through gradual changes in bacterial and fungal communities

Sarah J Sapsford and Ian A Dickie

Journal of Ecology, Vol.111(12), pp.2549-2780

2023

DOI: https://doi.org/10.1111/1365-2745.14186

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Abstract

co-invasion

ecosystem recovery

legacy

non-native species

Pinus

soil microbiota

1. Biological invasions of plants have profound effects on ecosystem functioning by directly and indirectly altering soil microbiota, especially when invasive plants co-invade with their associated microbiomes. Ecosystem functions may recover slowly following invader removal, with implications for restoration. 2. We investigated the recovery of soil ecosystem function (measured as soil enzymes) following the removal, at different densities and times, of invasive Pinus spp. in New Zealand, and how different enzymatic activities responded to pine legacies. 3. Enzymatic activities were driven by pine legacies via both abiotic (soil nutrients) and biotic (fungi and bacteria) soil properties, with different enzymes showing distinct patterns. The activity of the enzymes cellobiohydrolase (cellulose degrading), β-glucosidase (cellulose degrading), N-acetyl-glucosaminidase (chitin degrading), laccase (lignin oxidising) and acid phosphatase (organic phosphate hydrolysing) were influenced by time since pine removal and by pine density at removal via effects on biotic communities. In comparison, Mn-peroxidase (lignin oxidising) was positively correlated with density of pines at removal and was negatively correlated with time since removal and was only influenced by fungal communities. 4. Synthesis. The recovery of soil enzymatic function following invasive species removal is slow and dependent on pine legacies through the gradual changes in fungal and bacterial communities. The cascading effects of these changes suggest potential implications for the success of future plant establishment and restoration of co-invaded ecosystems.

Details

Title: Slow soil enzyme recovery following invasive tree removal through gradual changes in bacterial and fungal communities
Authors/Creators: Sarah J Sapsford (Corresponding Author) - Murdoch University, Harry Butler Institute
Ian A Dickie (Author) - University of Canterbury
Publication Details: Journal of Ecology, Vol.111(12), pp.2549-2780
Publisher: John Wiley & Sons Ltd on behalf of British Ecological Society.
Identifiers: 991005598966307891
Murdoch Affiliation: Harry Butler Institute
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.97 Plant Pathology; 3.97.488 Mycorrhizal Symbiosis
Web Of Science research areas: Ecology; Plant Sciences
ESI research areas: Environment/Ecology