Table 1.
The share of functional groups of fungi in the communities of fungi in different variants of the experiment. Natural regeneration – 1G, 2G, 5G, under old-stands canopy – 3G, 4G, 6G
| Functional groups | Variants of experiments | |||||
|---|---|---|---|---|---|---|
| 1G | 2G | 5G | 4G | 3G | 6G | |
| Pathogens | 7.63 | 6.90 | 10.93 | 5.37 | 8.89 | 6.56 |
| Mycorrhizal fungi | 11.34 | 19.40 | 19.33 | 14.99 | 6.39 | 24.18 |
| Saprotrophs | 14.11 | 12.73 | 18.82 | 9.10 | 13.62 | 13.47 |
| Others | 66.93 | 60.97 | 50.92 | 70.54 | 71.11 | 55.79 |
| Share of Ascomycota of mycorrhizal fungi [%] | 9.97 | 11.20 | 8.45 | 23.23 | 14.68 | 26.61 |
| Share of Basidiomycota of mycorrhizal fungi [%] | 85.77 | 86.47 | 87.94 | 71.07 | 77.51 | 71.59 |
| Share of Glomeromycota of mycorrhizal fungi [%] | 4.26 | 2.33 | 3.61 | 5.69 | 7.81 | 1.80 |

Figure 1.
Kościan 238/1 – stem distribution map. In the diagram, the star (No. I and II) indicates examples of sample collection sites
Table 2.
Frequency of taxa in the fungal community of the rhizosphere of the western red cedar, the share of which in the community exceeded 0.1%. Natural regeneration – 1G, 2G, 5G, under old stands canopy – 3G, 4G, 6G. Taxa, the share of which in the genus was dominant are given in bold. M – mycorrhizal fungus. A – antagonist forest tree pathogens. e.g. Heterobasidion or Armillaria. S – saprotroph, Y – yeast, P – pathogen, U – unknown
| Taxa | Trophic group | Order | Samples | |||||
|---|---|---|---|---|---|---|---|---|
| 1G | 2G | 3G | 4G | 5G | 6G | |||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Archaeorhizomyces borealis Menkis. T.Y. James & Rosling | M | Archaeorhizomycetales | 0.38 | 0.69 | 0.21 | 0.28 | 0.14 | 5.08 |
| Arthroderma multifidum C.O. Dawson | S | Onygenales | 0.72 | 0.14 | 0.19 | 0.09 | 0.10 | 0.04 |
| Aspergillus inflatus (Stolk & Malla) Samson. Frisvad. Varga. Visagie & Houbraken | A | Eurotiales | 0.98 | 1.40 | 1.98 | 0.79 | 0.50 | 1.67 |
| Cadophora sp. | P | Helotiales | 0.72 | 1.17 | 2.43 | 0.90 | 0.56 | 0.01 |
| Cenococcum geophilum Fr. | M | Hysteriales | 0.37 | 0.99 | 0.68 | 2.81 | 0.78 | 0.01 |
| Ilyonectria destructans (Zinssm.) Rossman. L. Lombard & Crous | P | Hypocreales | 0.75 | 1.01 | 1.38 | 0.63 | 1.37 | 0.47 |
| Infundibulomyces cupulatus Plaingam. Somrith. & E.B.G. Jones | S | Incertae sedis | 0.07 | 0.24 | 0.52 | 0.15 | 0.09 | 0.00 |
| Leptodontidium sp. | S | Helotiales | 0.01 | 0.00 | 0.00 | 0.01 | 0.01 | 0.56 |
| Penicillium citreonigrum Dierckx | A | Eurotiales | 0.78 | 1.37 | 0.40 | 0.89 | 0.41 | 0.00 |
| Penicillium daleae K.W. Zaleski | A | Eurotiales | 0.94 | 0.57 | 1.02 | 0.34 | 0.60 | 0.35 |
| Penicillium nodositatum Valla | A | Eurotiales | 0.09 | 0.26 | 0.69 | 0.06 | 0.11 | 0.01 |
| Penicillium sp. | A | Eurotiales | 0.52 | 0.55 | 0.45 | 0.43 | 0.58 | 0.08 |
| Periconia pseudodigitata Kaz. Tanaka & K. Hiray. | S | Pleosporales | 0.58 | 0.79 | 0.70 | 0.70 | 0.79 | 0.50 |
| Phialocephala fortinii C.J.K. Wang & H.E. Wilcox | P | heliotiales | 0.25 | 0.40 | 0.60 | 0.45 | 0.46 | 0.54 |
| Pseudocamaropycnis pini Crous | S | Mytilinidiales | 0.02 | 0.09 | 0.07 | 0.24 | 0.66 | 0.00 |
| Pseudogymnoascus pannorum (Link) Minnis & D.L. Lindner | S | Incertae sedis | 0.57 | 0.37 | 0.39 | 0.49 | 0.30 | 0.47 |
| Pseudogymnoascus sp. | S | Incertae sedis | 0.71 | 0.78 | 1.94 | 0.24 | 0.35 | 0.10 |
| Trichocladium sp. | A | Sordariales | 0.07 | 0.16 | 0.26 | 0.19 | 0.60 | 0.73 |
| Frequency of Ascomycota | 20.74 | 23.69 | 24.56 | 18.47 | 20.07 | 28.45 | ||
| Aecidium sp. | P | Pucciniales | 0.18 | 0.25 | 0.61 | 0.11 | 0.11 | 0.05 |
| Ceriporiopsis mucida (Pers.) Gilb. & Ryvarden | S | Polyporales | 0.05 | 0.14 | 0.11 | 0.29 | 1.04 | 0.00 |
| Derxomyces wuzhishanensis F.Y. Bai & Q.M. Wang | U | Tremellales | 0.09 | 0.21 | 0.06 | 0.16 | 0.09 | 0.58 |
| Galerina unicolor (Vahl) Singer | S | Agaricales | 0.07 | 0.26 | 0.70 | 0.07 | 0.09 | 0.00 |
| Ganoderma sp. | P/S | Polyporales | 0.37 | 0.38 | 0.58 | 0.31 | 0.35 | 0.08 |
| Geminibasidium hirsutum H.D.T. Nguyen. N.L. Nick. & Seifert | U | Geminibasidiales | 0.17 | 0.17 | 0.12 | 0.17 | 0.47 | 0.94 |
| Grammatus semis (Spirin & Malysheva) H.S. Yuan & Decock | S | Auriculariales | 0.10 | 0.25 | 0.19 | 0.79 | 0.20 | 0.00 |
| Hydnum repandum L. | M | Cantharellales | 3.32 | 6.60 | 1.84 | 1.74 | 4.44 | 0.13 |
| Hydnum vagabundum Swenie. Ovrebo & Matheny | M | Cantharellales | 0.21 | 0.52 | 0.41 | 0.20 | 0.56 | 0.00 |
| Minimedusa polyspora (Hotson) Weresub & P.M. LeClair | A | Cantharellales | 1.30 | 0.28 | 0.09 | 0.29 | 0.17 | 0.00 |
| Oxyporus schizoporoides Zmitr. & Spirin | P | Incertae sedis | 0.03 | 0.07 | 0.07 | 0.18 | 0.05 | 1.45 |
| Puccinia sp. | P | Pucciniales | 0.28 | 0.69 | 1.33 | 0.35 | 0.85 | 1.35 |
| Ramariopsis crocea (Pers.) Corner | S | Agaricales | 0.05 | 0.18 | 0.16 | 0.29 | 0.94 | 0.40 |
| Ramariopsis flavescens R.H. Petersen | S | Agaricales | 0.37 | 1.30 | 3.42 | 0.30 | 0.45 | 0.45 |
| Russula amoenolens Romagn. | M | Russulales | 0.01 | 0.02 | 0.01 | 0.07 | 0.01 | 11.90 |
| Russula emetica (Schaeff.) Pers. | M | Russulales | 0.47 | 1.40 | 0.98 | 4.36 | 1.03 | 0.00 |
| Russula nigricans Fr. | M | Russulales | 0.15 | 0.41 | 0.31 | 1.40 | 0.33 | 0.00 |
| Russula puellaris Fr. | M | Russulales | 1.85 | 4.25 | 0.69 | 0.18 | 0.56 | 1.32 |
| Russula turci Bres. | M | Russulales | 0.01 | 0.00 | 0.01 | 0.17 | 0.73 | 0.00 |
| Saitozyma podzolica (Babeva & Reshetova) Xin Zhan Liu. F.Y. Bai. M. Groenew. & Boekhout | Y | Tremellales | 1.52 | 1.38 | 1.37 | 1.23 | 2.32 | 1.11 |
| Solicoccozyma terrea (Di Menna) Yurkov | A | Filobasidiales | 0.20 | 0.59 | 1.74 | 0.19 | 0.33 | 0.12 |
| Solicoccozyma terricola (T.A. Pedersen) Yurkov | A | Filobasidiales | 1.78 | 3.20 | 7.67 | 1.25 | 1.77 | 0.73 |
| Trechispora invisitata (H.S. Jacks.) Liberta | S | Trechisporales | 0.67 | 0.12 | 0.06 | 0.14 | 0.09 | 0.00 |
| Tylospora asterophora (Bonord.) Donk | M | Atheliales | 0.01 | 0.00 | 0.00 | 0.17 | 0.95 | 0.00 |
| Frequency of Basidiomycota | 19.89 | 29.66 | 29.07 | 25.21 | 25.14 | 24.89 | ||
| Frequency of Chytridiomycota | 0.46 | 0.40 | 0.67 | 0.37 | 0.50 | 0.46 | ||
| Frequency of Glomeromycota | 0.37 | 0.38 | 0.50 | 0.78 | 0.43 | 0.36 | ||
| Frequency of Rozellomycota | 0.02 | 0.03 | 0.00 | 0.01 | 0.02 | 0.00 | ||
| Basidiobolus ranarum Eidam. | S | Basidiobolales | 1.82 | 0.40 | 0.18 | 0.45 | 1.01 | 0.01 |
| Mortierella epicladia W. Gams & Emden | A | Mortierellales | 0.54 | 0.16 | 0.07 | 0.36 | 0.23 | 0.00 |
| Mortierella gamsii Milko | A | Mortierellales | 0.54 | 0.18 | 0.10 | 0.28 | 0.14 | 0.02 |
| Mortierella humilis Linnem. | A | Mortierellales | 2.61 | 1.77 | 1.50 | 1.52 | 2.18 | 0.54 |
| Mortierella hyalina (Harz) W. Gams | A | Mortierellales | 1.21 | 0.20 | 0.11 | 0.06 | 0.13 | 0.01 |
| Mortierella longigemmata Linnem. | A | Mortierellales | 2.05 | 0.29 | 0.11 | 0.08 | 0.19 | 0.03 |
| Mortierella macrocystis W. Gams | A | Mortierellales | 1.13 | 2.24 | 1.11 | 2.11 | 5.50 | 1.56 |
| Mortierella sclerotiella Milko | A | Mortierellales | 0.85 | 0.21 | 0.18 | 0.06 | 0.17 | 0.00 |
| Mortierella sp. | A | Mortierellales | 3.80 | 3.66 | 4.45 | 4.20 | 3.15 | 4.39 |
| Schizangiella serpentis J. Dwyer. B. Burwell. Humber. C. Mcleod. M. Fleetwood & T. Johnson bis | P | Basidiobolales | 0.75 | 0.19 | 0.12 | 0.15 | 0.28 | 0.13 |
| Umbelopsis changbaiensis Y.N. Wang. X.Y. Liu & R.Y. Zheng | S | Mucorales | 0.19 | 0.27 | 0.54 | 0.14 | 0.22 | 0.11 |
| Umbelopsis dimorpha Mahoney & W. Gams | S | Mucorales | 0.16 | 0.24 | 0.19 | 0.14 | 0.35 | 0.68 |
| Umbelopsis isabellina (Oudem.) W. Gams | S | Mucorales | 0.10 | 0.17 | 0.25 | 0.09 | 0.18 | 0.83 |
| Frequency of Zygomycota | 18.53 | 12.26 | 11.03 | 11.88 | 17.12 | 10.58 | ||
| Frequency of Oomycota | 0.61 | 0.35 | 0.45 | 0.34 | 0.35 | 0.07 | ||
| Uncultured Fungi | 16.64 | 18.60 | 17.31 | 29.41 | 15.39 | 17.45 | ||
| No sequence in the UNITE database | 15.33 | 9.97 | 10.77 | 8.96 | 15.64 | 11.61 | ||
Table 3.
Biodiversity of fungal communities determined based on the biodiversity indices in individual variants of the experiment. The lowest values are marked with light grey colour, and the highest with dark grey colour
| Index | Samples | |||||
|---|---|---|---|---|---|---|
| natural regeneration | under old stands canopy | |||||
| 1G | 2G | 5G | 3G | 4G | 6G | |
| D-Mg | 221.862 | 227.483 | 259.862 | 199.153 | 215.932 | 77.592 |
| Shannon’s diversity -H | 4.723 | 4.445 | 4.711 | 4.364 | 4.550 | 0.667 |
| Shannon’s evenness -E | 0.603 | 0.565 | 0.589 | 0.566 | 0.584 | 0.096 |
| Simpson | 0.019 | 0.029 | 0.023 | 0.031 | 0.027 | 0.063 |
| Berger-Parker Dominance | 0.063 | 0.099 | 0.086 | 0.116 | 0.076 | 0.021 |
Table 4.
Western red cedar experimental plots – yield characteristics of the stands
| Experimental plots | Area [ha] | Site | Age [years] | Site height [m] | N [trees/ha] | H100 [m] | D100 [cm] | HG [m] | DG [cm] | G [m2/ha] | VD [m3/ha] |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 238c/1 | 0.10 | LMsw | 110 | 24.4 | 310 | 27.3 | 50.9 | 26.5 | 42.1 | 43.24 | 414.9 |
| 238c/2 | 0.10 | LMsw | 110 | 25.0 | 440 | 27.8 | 55.4 | 27.1 | 44.3 | 67.69 | 654.9 |
| 217s/4 | 0.08 | Lsw | 106 | 26.4 | 612 | 31.6 | 55.7 | 29.0 | 39.0 | 73.32 | 778.2 |
1 Note: Site height – according to the growth model for Norway spruce (Wenk et al. 1984), M-System; N – number of stems per ha; H100 – top height; D100 – top diameter; HG – mean height; DG – mean diameter; G – basal area per ha; VD – volume of the wood of an over-bark diameter ≥7 cm (standing crop)