Long-Term Giant Hogweed Invasion Contributes to the Structural Changes of Soil Nematofauna
Abstract
:1. Introduction
2. Results
2.1. Soil Properties
2.2. Plant–Community Analysis
2.3. Nematode Community Analysis
2.4. Analysis of Nematode Food Webs
3. Discussion
4. Materials and Methods
4.1. Study Area and Study Plots
4.2. Soil Sampling, Nematode Isolation, and Identification
4.3. Nematode Community Analysis
4.4. Data Analysis
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Conflicts of Interest
References
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Spring (May) | Summer (July) | Autumn (September) | ||||
---|---|---|---|---|---|---|
HMG | UNV | HMG | UNV | HMG | UNV | |
SM | 16.15 ± 2.88 | 12.82 ± 1.58 | 25.45 ± 2.11 | 26.78 ± 2.61 | 19.69 ± 1.28 | 18.93 ± 2.04 |
pH (KCl) | 7.20 ± 0.10 * | 6.23 ± 0.28 | 7.02 ± 0.12 * | 6.11 ± 0.12 | 6.75 ± 0.24 * | 6.00 ± 0.12 |
Ntot | 0.22 ± 0.01 * | 0.31 ± 0.02 | 0.23 ± 0.01 | 0.22 ± 0.02 | 0.24 ± 0.03 | 0.25 ± 0.03 |
Cox | 1.81 ± 0.10 * | 2.38 ± 0.11 | 2.00 ± 0.07 * | 2.45 ± 0.18 | 1.92 ± 0.01 | 1.78 ± 0.20 |
C/N | 7.90 ± 0.25 | 7.89 ± 0.36 | 8.25 ± 0.30 | 9.76 ± 0.78 | 8.19 ± 0.53 | 7.49 ± 0.69 |
Plants | Invaded | Uninvaded Control | ||||
---|---|---|---|---|---|---|
Spring | Summer | Autumn | Spring | Summer | Autumn | |
Achillea milleofolium | - | - | - | 1.5 | 1 | 2.6 |
Dactylis glomerata | - | - | - | 18.1 | 10.9 | 6.5 |
Elymus repens | 1.7 | 1.1 | 5.4 | - | - | - |
Festuca sp. | - | - | - | 21.5 | 26 | 17 |
Fragaria vesca | - | - | - | 7.8 | 5.5 | 2.5 |
Galium odoratum | 8.9 | 7.5 | 4.7 | - | 0.5 | 2.2 |
Heliantus tuberosus | 3.8 | 16 | 22.3 | - | - | - |
Heracleum mantegazzianum | 83 | 80.1 | 53.9 | - | - | - |
Lathyrum pratensis | - | - | - | 1.7 | 0.5 | 0.3 |
Leucanthemum vulgare | - | - | - | 0.9 | 0.1 | - |
Marticaria chamomilla | - | - | - | 0.4 | 1.2 | 0.5 |
Medicago sp. | - | - | - | 5.2 | 1.1 | 3.9 |
Poa pratensis | - | - | - | 2.4 | 1.6 | 2.3 |
Prunella vulgaris | - | - | - | 0.3 | 0 | 0.2 |
Pseudolysimachion longifolium | - | - | - | - | 0.3 | 0.5 |
Pulmonaria officinalis | 0.2 | - | - | 0.3 | - | - |
Ranunculus acris | - | - | - | 1.4 | 1.7 | - |
Rumex acetosella | 0.1 | - | 0.1 | 1.4 | 2.5 | 2.4 |
Silene vulgaris | - | - | - | 4.6 | 4 | 0.5 |
Silybum marianum | 5.5 | 6 | 12.4 | 1.9 | 0.4 | 0.9 |
Trifolium repens | - | - | - | 7.6 | 8.2 | 5.1 |
Trisetum flavescens | - | - | - | 10.5 | 14 | 8.2 |
Urctica dioica | 13.1 | 20.8 | 18.7 | 0.3 | 0.9 | 0.4 |
Vicia sativa | - | - | - | 2.2 | 1.2 | 0.6 |
Spring | Summer | Autumn | |||||
---|---|---|---|---|---|---|---|
c-p | HMG | UNV | HMG | UNV | HMG | UNV | |
Bacterivores | |||||||
Acrobeles ciliatus | 2 | - | 0.8 | 0.6 | 0.5 | - | - |
Acrobeloides nanus | 2 | 6.0 | 2.7 | 6.9 | 8.1 | 8.7 | 10.4 |
Alaimus parvus | 4 | 2.3 | 0.2 | 6.7 | 1.7 | 4.5 | 0.4 |
Alaimus primitivus | 4 | 33.8 | 4.0 | 30.1 | 7.7 | 24.4 | 6.7 |
Alaimus robustus | 4 | 7.4 | 1.7 | 8.5 | - | 3.2 | 0.5 |
Amphidelus coronatus | 4 | 2.1 | - | - | - | 0.3 | - |
Aulolaimus oxycephalus | 3 | - | 0.6 | - | 0.6 | - | - |
Cephalobus parvus | 2 | 0.7 | - | - | - | 2.0 | 1.5 |
Cephalobus persegnis | 2 | 5.2 | 3.3 | 21.6 | 4.9 | 16.9 | 1.7 |
Cervidellus vexilliger | 2 | - | 0.5 | 0.6 | 1.2 | 0.2 | 0.2 |
Drilocephalobus coomansi | 2 | - | - | - | - | - | - |
Eucephalobus mucronatus | 2 | 14.2 | 8.6 | 13.7 | 1.5 | 9.0 | 5.4 |
Eucephalobus oxyuroides | 2 | 2.6 | 0.3 | 1.0 | 0.8 | 2.7 | 1.3 |
Eucephalobus striatus | 2 | 18.6 | 7.1 | 31.7 | 7.3 | 13.1 | 7.5 |
Heterocephalobus elongatus | 2 | - | - | - | 0.2 | - | 0.4 |
Heterocephalobus eurystoma | 2 | 1.6 | - | 1.0 | 1.4 | 3.5 | 4.2 |
Chiloplacus propinquus | 2 | 0.5 | - | 2.3 | 2.1 | 3.8 | 2.5 |
Mesorhabditis labiata | 1 | 4.0 | - | 0.9 | 0.8 | 3.2 | 1.8 |
Panagrolaimus ridigus | 1 | 2.8 | - | 11.6 | 0.8 | 1.5 | 0.3 |
Paramphidelus dolichurus | 4 | 4.0 | - | 0.1 | - | 1.0 | - |
Plectus longicaudatus | 2 | 0.6 | 1.3 | - | 1.3 | - | - |
Plectus opisthocirculus | 2 | - | - | - | - | 0.3 | 0.4 |
Plectus parietinus | 2 | 0.6 | 0.5 | - | - | 0.7 | 0.1 |
Plectus parvus | 2 | - | - | 2.6 | 14.4 | - | - |
Prismatolaimus intermedius | 3 | 1.4 | 0.2 | - | 1.6 | 0.7 | 0.4 |
Protorhabditis filiformis | 1 | - | - | - | - | 0.6 | - |
Rhabditis spp. juvs. | 1 | 16.2 | 8.6 | 27.6 | 7.9 | 18.1 | 3.6 |
Fungivores | |||||||
Aphelenchoides parietinus | 2 | 18.3 | 1.8 | 4.6 | 0.4 | 5.9 | 0.9 |
Aphelenchus avenae | 2 | 8.0 | 3.8 | 11.7 | 1.9 | 12.0 | 2.5 |
Diptherophora communis | 3 | 23.1 | 10.6 | 14.1 | 16.9 | 18.8 | 16.3 |
Ditylenchus intermedius | 2 | 3.2 | 3.6 | 3.4 | 3.6 | 5.9 | 2.5 |
Ditylenchus longimetricalis | 2 | - | - | 1.2 | - | - | - |
Tylencholaimellus striatus | 4 | 0.6 | 1.7 | - | 0.6 | - | 1.5 |
Tylencholaimus minimus | 4 | 1.4 | 2.6 | - | 8.2 | - | - |
Tylencholaimus stecki | 4 | - | 1.7 | 0.8 | 11.8 | 3.4 | 4.3 |
Plant parasites | |||||||
Bitylenchus dubius | 3 | 2.1 | 0.6 | - | - | 2.8 | - |
Criconemoides informis | 3 | 4.5 | 11.9 | 2.0 | 18.1 | - | - |
Geocenamus brevidens | 3 | 16.0 | 5.8 | 13.6 | 1.6 | 6.5 | 8.2 |
Geocenamus microdorus | 3 | 7.3 | 0.7 | 10.5 | 4.0 | 15.7 | 2.7 |
Geocenamus nanus | 3 | 5.5 | - | 5.6 | 0.6 | 2.3 | - |
Gracilacus straeleni | 2 | - | - | - | 0.4 | - | 0.5 |
Helicotylenchus canadensis | 3 | 2.2 | 10.1 | 3.5 | 1.8 | 4.0 | 4.8 |
Helicotylenchus digonicus | 3 | 11.5 | 34.8 | 14.0 | 10.4 | 18.5 | 30.8 |
Longidorus elongatus | 5 | - | 0.4 | - | 1.3 | - | 5.5 |
Meloidogyne sp. | 3 | 1.2 | 1.2 | 2.0 | 6.0 | 3.0 | 1.4 |
Mesocriconema curvatum | 3 | - | 0.6 | - | - | - | - |
Paratylenchus microdorus | 2 | 72.6 | 0.5 | 30.6 | 1.5 | 59.4 | 0.4 |
Paratylenchus projectus | 2 | 10.3 | 5.3 | 8.8 | 2.8 | 18.8 | 11.5 |
Pratylenchoides crenicauda | 3 | 3.3 | 0.5 | 1.5 | 1.1 | 1.9 | 2.5 |
Pratylenchus neglectus | 3 | 2.1 | 2.9 | - | - | - | 3.1 |
Pratylenchus pratensis | 3 | 1.8 | 4.4 | 8.1 | 4.0 | 3.3 | 1.8 |
Pratylenchus thornei | 3 | - | 3.7 | 0.8 | 0.8 | 0.3 | 5.7 |
Xiphinema simile | 5 | - | - | - | 2.5 | - | 0.5 |
Root-fungal feeders | |||||||
Boleodorus thylactus | 2 | 2.9 | 5.1 | 8.3 | 0.2 | 2.6 | 2.8 |
Basiria gracilis | 2 | - | 0.1 | 2.1 | - | - | 0.6 |
Coslenchus costatus | 2 | 4.4 | 3.6 | 11.2 | 4.4 | 10.5 | 16.5 |
Filenchus discrepans | 2 | 0.4 | - | 0.5 | 0.8 | 1.7 | 1.4 |
Filenchus thornei | 2 | 1.1 | 0.6 | - | - | 0.4 | 5.0 |
Filenchus vulgaris | 2 | 4.3 | 15.3 | 7.4 | 24.6 | 14.6 | 20.3 |
Malenchus exiguus | 2 | 3.8 | 2.6 | 1.3 | 1.8 | 0.8 | 2.0 |
Psilenchus hilarulus | 2 | 2.3 | 0.9 | 0.3 | 8.1 | 0.9 | 0.8 |
Tylenchus elegans | 2 | - | 1.7 | - | 2.0 | - | 3.0 |
Omnivores | |||||||
Aporcelaimellus obtusicaudatus | 4 | 13.2 | 10.2 | 9.7 | 19.4 | 3.4 | 6.1 |
Campydora demonstrans | 4 | 1.1 | 4.1 | - | 0.2 | 2.8 | 1.2 |
Dorylaimoides mickoletskyi | 4 | - | 1.8 | 0.6 | 1.8 | 0.3 | 1.5 |
Dorylaimus bryophilus | 4 | 11.9 | 13.3 | 19.4 | 26.4 | 10.0 | 11.2 |
Dorylaimus microdorus | 4 | 1.4 | - | 0.3 | 1.3 | 0.3 | 0.2 |
Ecumenicus monohystera | 4 | 0.8 | 2.4 | 4.1 | 0.2 | 2.8 | 0.4 |
Eudorylaimus acuticauda | 4 | 3.4 | 0.4 | 0.4 | 3.4 | - | 0.7 |
Eudorylaimus similis | 4 | - | - | 1.2 | 7.2 | 0.3 | 1.2 |
Mesodorylaimus bastiani | 5 | 0.4 | 2.8 | 3.0 | - | - | - |
Microdorylaimus parvus | 4 | 7.2 | 2.6 | 6.0 | 3.7 | 4.2 | 2.0 |
Paraxonchium laetificans | 5 | - | 1.9 | - | 0.2 | - | 0.2 |
Prodorylaimus brigdamensis | 5 | 0.7 | - | 1.8 | 3.8 | 2.7 | 5.5 |
Pungentus engadinensis | 4 | - | 1.4 | 0.7 | 2.4 | 0.9 | 1.7 |
Pungentus silvestris | 4 | - | 10.7 | - | 3.4 | - | - |
Thonus ettersbersgensis | 4 | 0.4 | 0.7 | 0.3 | 1.4 | 0.2 | 1.7 |
Predators | |||||||
Clarkus papillatus | 4 | 2.5 | 1.0 | 0.3 | 2.8 | 0.3 | 1.1 |
Discolaimoides bulbiferus | 5 | 10.4 | 2.7 | 5.3 | 2.4 | 10.2 | 4.2 |
Discolaimus major | 5 | 0.8 | 2.2 | 0.8 | 0.6 | - | 0.9 |
Enchondelus macrodorus | 4 | 1.1 | - | - | - | 0.9 | - |
Mylonchulus brachyuris | 4 | 7.4 | 2.0 | 5.4 | 2.0 | 2.9 | 1.3 |
Oxydirus oxycephalus | 5 | 0.2 | 0.8 | - | 0.2 | 1.1 | 0.7 |
Trypila filicaudata | 3 | - | - | - | 3.4 | - | - |
Spring (May) | Summer (July) | Autumn (September) | ||||
---|---|---|---|---|---|---|
HMG | UNV | HMG | UNV | HMG | UNV | |
Abundance (100 g/dry soil) | 401.5 ± 174.2 * | 245.5 ± 59.9 | 412 ± 200.2 | 288.9 ± 150.5 | 375.4 ± 100.6 | 250.3 ± 54.2 |
Nematode species number | 42.2 ± 3.6 | 38.7 ± 4.1 | 36 ± 3.1 * | 45 ± 2.5 | 36 ± 2.4 * | 43 ± 0.8 |
Bacterivores | 124.6 ± 53.2 * | 39.8 ± 12.8 | 170.6 ± 100.2 * | 61.8 ± 30.7 | 115.8 ± 30.6 * | 52.5 ± 13.2 |
Fungivores | 55.6 ± 15.9 * | 26.5 ± 10.1 | 34.5 ± 19.2 | 43.6 ± 20.3 | 46.5 ± 20.8 | 33.9 ± 15.4 |
Omnivores | 42.5 ± 30.6 | 54.1 ± 38.7 | 39.8 ± 40.6 | 80.1 ± 23.6 | 25.4 ± 20.4 | 35.8 ± 10.1 |
Predators | 20.1 ± 10.9 ** | 2.8 ± 2.0 | 10.9 ± 11.5 | 10.3 ± 6.6 | 13.8 ± 8.4 | 7.9 ± 3.8 |
Root-fungal feeders | 18.9 ± 16.5 | 29.5 ± 20.9 | 36.8 ± 21.8 | 40.1 ± 30.7 | 30.1 ± 15.6 | 49.7 ± 13.4 |
Plant parasites | 139.7 ± 55.8 | 89.9 ± 48.7 | 97.7 ± 48.3 | 50.2 ± 35.7 | 135.6 ± 74.5 | 82.7 ± 27.6 |
Species diversity index | 2.63 ± 0.23 | 2.86 ± 0.20 | 2.83 ± 0.10 | 2.79 ± 2.68 | 2.75 ± 0.32 | 3.03 ± 0.12 |
Maturity index | 2.95 ± 0.48 | 2.91 ± 0.57 | 2.65 ± 0.17 * | 3.11 ± 0.26 | 2.76 ± 0.03 * | 2.91 ± 0.14 |
Maturity index (2–5) | 3.15 ± 0.44 | 3.12 ± 0.40 | 2.95 ± 0.28 * | 3.39 ± 0.07 | 2.95 ± 0.25 * | 3.25 ± 0.08 |
Sum Maturity index | 2.70 ± 0.35 | 2.79 ± 0.42 | 2.65 ± 0.11 * | 3.17 ± 0.21 | 2.62 ± 0.13 | 2.86 ± 0.15 |
Plant parasitic index | 2.40 ± 0.24 * | 2.75 ± 0.10 | 2.66 ± 0.09 * | 3.04 ± 0.21 | 2.45 ± 0.18 * | 2.89 ± 0.12 |
Channel index | 30.32 ± 15.18 * | 50.11 ± 11.28 | 18.18 ± 8.33 * | 42.81 ± 18.19 | 35.97 ± 15.45 * | 66.81 ± 17.2 |
Enrichment index | 53.24 ± 17.26 | 54.35 ± 18.84 | 61.81 ± 11.15 | 52.69 ± 20.37 | 53.31 ± 10.8 | 44.44 ± 12.83 |
Structure index | 80.96 ± 15.42 | 79.52 ± 17.13 | 77.13 ± 9.15 | 87.21 ± 6.36 | 77.75 ± 11.8 | 80.34 ± 5.82 |
Total nematode biomass | 0.95 ± 0.84 | 0.85 ± 0.0.72 | 1.37 ± 0.85 | 1.72 ± 0.64 | 0.73 ± 0.34 | 0.75 ± 0.57 |
Composite footprint | 175.1 ± 127.2 | 145.9 ± 66.8 | 228.3 ± 181.9 | 259.5 ± 261.7 | 140.8 ± 70.7 | 128.7 ± 78.3 |
Enrichment footprint | 36.2 ± 13.2 * | 19.8 ± 11.6 | 60.2 ± 40.5 * | 19.5 ± 12.8 | 40.7 ± 25.7 * | 10.8 ± 7.8 |
Structure footprint | 118.9 ± 116.4 | 108.8 ± 39.2 | 142.3 ± 100.5 | 222.1 ± 189.5 | 70.8 ± 64.7 | 94.5 ± 37.8 |
Herbivore footprint | 13.6 ± 4.8 | 14.7 ± 10.8 | 15.8 ± 9.6 | 11.8 ± 6.5 | 20.7 ± 24.6 | 23.8 ± 15.1 |
Fungivore footprint | 4.9 ± 2.7 | 5.1 ± 2.3 | 4.9 ± 3.6 | 8.7 ± 5.4 | 7.4 ± 1.7 | 6.7 ± 3.1 |
Bacterivore footprint | 45.8 ± 39.7 | 18.6 ± 10.8 | 70.9 ± 30.5 ** | 22.5 ± 11.8 | 45.7 ± 21.1 * | 12.1 ± 6.6 |
Predator footprint | 5.8 ± 3.6 | 3.7 ± 3.8 | 4.4 ± 5.1 | 5.1 ± 5.6 | 4.9 ± 2.1 | 3.6 ± 2.8 |
Omnivore footprint | 100.3 ± 27.9 | 97.5 ± 50.1 | 130.3 ± 68.7 | 215.1 ± 257.8 | 62.7 ± 43.3 | 74.4 ± 62.8 |
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Renčo, M.; Jurová, J.; Gömöryová, E.; Čerevková, A. Long-Term Giant Hogweed Invasion Contributes to the Structural Changes of Soil Nematofauna. Plants 2021, 10, 2103. https://doi.org/10.3390/plants10102103
Renčo M, Jurová J, Gömöryová E, Čerevková A. Long-Term Giant Hogweed Invasion Contributes to the Structural Changes of Soil Nematofauna. Plants. 2021; 10(10):2103. https://doi.org/10.3390/plants10102103
Chicago/Turabian StyleRenčo, Marek, Jana Jurová, Erika Gömöryová, and Andrea Čerevková. 2021. "Long-Term Giant Hogweed Invasion Contributes to the Structural Changes of Soil Nematofauna" Plants 10, no. 10: 2103. https://doi.org/10.3390/plants10102103