Table S1. Mean coarse woody debris (CWD; >10 cm diameter) and fine woody debris (FWD; 2 to <10 cm diameter) volumes (m3 ha-1) by treatment (with standard errors in parentheses; see Forrester et al. [2012] for sampling methods). Volumes were used to compare the effects of gap formation and CWD addition on wood-inhabiting fungal abundance and diversity in a northern hardwood forest, Wisconsin, USA.

CWDa / FWD
Treatment / Total / ACSA / UNKH / FRAM / TIAM / CACO / Other / Total
Control / 15.7 (7.4) / 3.2 / 8.2 / 1.9 / 0 / 0.9 / 1.6 / 2.2
Control+Fenced / 17.2 (9.3) / 3.4 / 6.6 / 0.5 / 0.8 / 0.9 / 5.0 / 2.5
Gap+Fenced / 5.0 (1.6) / 2.1 / 1.2 / 0.8 / 0.3 / 0.1 / 0.6 / 2.0
Gap Creation / 9.6 (5.8) / 2.0 / 2.7 / 1.5 / 0.3 / 0 / 3.1 / 2.8
Gap+CWD / 63.9 (27.2) / 33.3 / 8.0 / 9.1 / 7.7 / 1.6 / 4.1 / 3.9
CWD Addition / 90.2 (20.5) / 31.6 / 13.0 / 17.9 / 14.8 / 8.4 / 4.5 / 2.9
Total / 202.6 (71.7) / 75 / 40 / 32 / 24 / 12 / 19 / 16.3

aCWD substrates: ACSA = Acer saccharum; UNKH = unknown hardwood; FRAM = Fraxinus americana; TIAM = Tilia americana; CACO = Caryacordiformis; and Other (Acer rubrum, Betula alleghaniensis, B. papyrifera, Fraxinus nigra, Ostryavirginiana, Populustremuloides, Prunus serotina, Quercus rubra, Tsugacanadensis, Ulmus americana and U. rubra).
Table S2. Mean coarse woody debris (>10 cm diameter) volumes (m3 ha-1) by decay class, following Maser et al. (1979) where decay class I is the least decayed and decay class V is the most decayed for all host substrate species (with standard errors in parentheses). Treatments were used to understand the effects of gap formation and CWD addition on wood-inhabiting fungal abundance and diversity in a northern hardwood forest, Wisconsin, USA.

Decay Class
Treatment / Total / I / II / III / IV / V
Control / 15.7 (7.4) / 2.0 / 3.0 / 2.6 / 5.2 / 2.9
Control+Fenced / 17.2 (9.3) / 2.2 / 5.0 / 4.0 / 4.0 / 2.1
Gap+Fenced / 5.0 (1.6) / 3.2 / 0 / 0.4 / 0.3 / 1.1
Gap Creation / 9.6 (5.8) / 3.6 / 0.4 / 3.4 / 1.4 / 0.8
Gap+CWD / 63.9 (27.2) / 45.5 / 6.1 / 1.8 / 3.8 / 6.7
CWD Addition / 90.2 (20.5) / 61.4 / 9.4 / 7.0 / 4.7 / 8.9
Total / 202.6 (71.7) / 118 / 24 / 19 / 19 / 23

1

Table S3. Wood-inhabiting fungal species, total observations, substrate host species, and GenBank accession numbers of ITS sequences (ordered by total abundance across all treatments). The species list was generated to understand the effects of gap formation and CWD addition on wood-inhabiting fungal abundance and diversity in a northern hardwood forest, Wisconsin, USA.

Hosta
Fungal Speciesb / Total / UNKH / ACSA / Fraxinus / TIAM / BEAL / CACA / OSVI / TSCA / PRSE / POTR / CACO / QURU / GenBank Accession Nos.
Trametes versicolor / 302 / 105 / 141 / 34 / 7 / 0 / 11 / 3 / 1 / 0 / 0 / 0 / 0 / KJ140541
Stereumostrea / 259 / 123 / 120 / 4 / 5 / 1 / 1 / 5 / 0 / 0 / 0 / 0 / 0 / KJ140533
Polyporus brumalis / 98 / 69 / 17 / 0 / 1 / 9 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / KJ140603; KJ140628
Irpexlacteus / 87 / 54 / 26 / 0 / 1 / 3 / 1 / 0 / 0 / 2 / 0 / 0 / 0 / KJ140529
Trichaptumbiforme / 67 / 4 / 58 / 1 / 0 / 3 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Trameteshirsuta / 65 / 27 / 35 / 1 / 1 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / KJ140605; KJ140608; KJ140632
Plicaturopsiscrispa / 52 / 20 / 18 / 1 / 0 / 11 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / KJ140537
Schizophyllum commune / 51 / 26 / 22 / 1 / 0 / 0 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Lenzitesbetulina / 46 / 2 / 35 / 2 / 5 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 1 / KJ140571
Skeletocutisnivea / 42 / 27 / 8 / 0 / 0 / 2 / 2 / 3 / 0 / 0 / 0 / 0 / 0 / KJ140561; KJ140562; KJ140581; KJ140590; KJ140593; KJ140602; KJ140618; KJ140619; KJ140636; KJ140645; KJ140648; KJ140661; KJ140666; KJ140674; KJ140676; KJ140687; KJ140702; KJ140705; KJ140709; KJ140714; KJ140728; KJ140734; KJ140745; KJ140762; KJ140774; KJ140782
Ganodermaapplanatum / 39 / 4 / 28 / 3 / 3 / 0 / 0 / 0 / 0 / 0 / 1 / 0 / 0 / KJ140577
Cerrena unicolor / 37 / 7 / 25 / 0 / 1 / 2 / 0 / 2 / 0 / 0 / 0 / 0 / 0 / KJ140567
Stereumcomplicatum / 33 / 2 / 27 / 1 / 0 / 0 / 3 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140563; KJ140584
Varariainvestiens / 30 / 27 / 2 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140536; KJ140538
Steccherinumochraceum / 28 / 7 / 14 / 2 / 1 / 2 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / KJ140599
Trametesgibbosa / 28 / 2 / 15 / 1 / 10 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140568; KJ140582
Datroniamollis / 26 / 7 / 18 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140555
Steccherinumfimbriatum / 25 / 22 / 2 / 0 / 0 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / KJ140535
Phlebia radiata / 24 / 3 / 20 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140572
Antrodiellaromellii / 22 / 19 / 2 / 0 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / KJ140575; KJ140588; KJ140626; KJ140646; KJ140649; KJ140673; KJ140679; KJ140682; KJ140689; KJ140704; KJ140727; KJ140746; KJ140751; KJ140753; KJ140754; KJ140767; KJ140773; KJ140781
Bjerkanderaadusta / 21 / 4 / 9 / 1 / 6 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140569
Fuscoporiasp. 2 / 21 / 14 / 4 / 0 / 0 / 1 / 0 / 2 / 0 / 0 / 0 / 0 / 0 / KJ140641; KJ140718; KJ140742; KJ140752
Oxyporuspopulinus / 21 / 3 / 15 / 0 / 1 / 0 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140544; KJ140589; KJ140613; KJ140633; KJ140644
Schizoporasp. 4 / 20 / 12 / 6 / 0 / 0 / 0 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / ―
Junghunianitida / 19 / 17 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140549
Ischnodermaresinosum / 18 / 4 / 9 / 1 / 4 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140539
Phlebiatremellosa / 18 / 8 / 7 / 0 / 1 / 0 / 0 / 1 / 0 / 1 / 0 / 0 / 0 / KJ140579; KJ140765
Tyromyceschioneus / 17 / 7 / 9 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0
Hyphodontiasp. 2 / 16 / 13 / 2 / 0 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / KJ140543; KJ140548; KJ140553; KJ140631; KJ140659; KJ140696; KJ140743; KJ140777; KJ140778
Hymenochaetecorrugata / 15 / 14 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140552
Corticiumroseum / 14 / 13 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140550; KJ140615; KJ140697; KJ140779
Postiasubcaesia / 14 / 10 / 1 / 0 / 0 / 0 / 0 / 3 / 0 / 0 / 0 / 0 / 0 / KJ140532; KJ140604; KJ140668; KJ140707; KJ140713; KJ140729; KJ140740
Tomentellasp. 1 / 14 / 12 / 1 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Fuscoporiasp. 1 / 12 / 10 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / KJ140530; KJ140559; KJ140670; KJ140701; KJ140771
Phanerochaetelaevis / 12 / 10 / 1 / 0 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / KJ140622; KJ140655; KJ140717; KJ140739; KJ140760
Pseudochaetetabacina / 12 / 5 / 4 / 0 / 0 / 0 / 1 / 1 / 0 / 0 / 0 / 1 / 0 / KJ140591; KJ140652; KJ140671
Antrodiamalicola / 9 / 6 / 3 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140609; KJ140610; KJ140629; KJ140653; KJ140667
Hyphodontiaarguta / 8 / 7 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Kaviniahimantia / 8 / 5 / 1 / 1 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / KJ140598
Tomentellopsissp. 1 / 8 / 7 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140601; KJ140651; KJ140658; KJ140695
Antrodiellasp. 1 / 7 / 2 / 5 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140558; KJ140585; KJ140625; KJ140654; KJ140669; KJ140685; KJ140722
Fomes fomentarius / 7 / 1 / 6 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140540
Phlebiaacerina / 7 / 4 / 3 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140531; KJ140616
Daedaleopsisconfragosa / 6 / 3 / 2 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140570; KJ140587
Dendrocorticiumsp. 1 / 6 / 5 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140586; KJ140606; KJ140694
Phanerochaetesp. 1 / 6 / 5 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140557; KJ140564; KJ140699
Polyporus badius / 6 / 3 / 0 / 1 / 1 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140678
Porotheleumfimbriatum / 6 / 6 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140596
Schizoporaflavipora / 6 / 1 / 4 / 0 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / KJ140637; KJ140642; KJ140665
Scytinostromasp. 1 / 6 / 1 / 1 / 0 / 0 / 1 / 0 / 0 / 3 / 0 / 0 / 0 / 0 / KJ140757; KJ140761; KJ140764; KJ140770
Trametespubescens / 6 / 0 / 5 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140580; KJ140611; KJ140686
Fuscoporiagilva / 5 / 1 / 4 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140621; KJ140647
Kaviniaalboviridis / 5 / 3 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140634
Schizoporac.f. radula / 5 / 2 / 3 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140643
Botryobasidiumsp. 1 / 4 / 4 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140719; KJ140735
Dacryobolussudans / 4 / 3 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140710
Datroniastereoides / 4 / 3 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 1 / 0 / KJ140551; KJ140736
Dentocorticiumsulphurellum(RL) / 4 / 3 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140542; KJ140554; KJ140691
Gloeophyllumsepiarium / 4 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 4 / 0 / 0 / 0 / 0 / KJ140759
Gloeoporusdichrous / 4 / 4 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140595
Hyphodontiac.f. sambuci / 4 / 3 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140574; KJ140755; KJ140776; KJ140780
Postiacaesia / 4 / 4 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140576; KJ140657; KJ140724
Steccherinumsp. 1 / 4 / 3 / 0 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140675; KJ140693; KJ140716
Bjerkanderafumosa / 3 / 0 / 2 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140583
Gloeoporuspannocinctus / 3 / 2 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140594; KJ140612; KJ140698
Cystidiodontiasp. 1 / 3 / 1 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140630; KJ140775
Hyphodermellarosae / 3 / 2 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140672; KJ140730
Hyphodontiarimosissima / 3 / 3 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140600
Hyphodontiaspathulata / 3 / 3 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Hypochniciumsp. 2 / 3 / 3 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140690; KJ140768
Phlebiellavaga / 3 / 3 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140766
Rigidoporuscrocatus(RL) / 3 / 3 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140711; KJ140763
Sistotremastrumsp. 1 / 3 / 3 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140620; KJ140721; KJ140723
Amaurohydnumsp. 1 / 2 / 0 / 1 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Ceriporiasp. 1 / 2 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140708; KJ140769
Ceriporiasp. 2 / 2 / 1 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140638; KJ140639
Ceriporiopsisgilvescens / 2 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140684; KJ140749
Cylindrobasidiumsp. 1 / 2 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140546; KJ140556
Gloeocystidiellumporosum / 2 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140688; KJ140772
Gloeocystidiellumsp. 1 / 2 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140623; KJ140715
Hyphodermasetigerum / 2 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140578; KJ140750
Hypochniciumsp. 1 / 2 / 0 / 1 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140683; KJ140731
Hypochniciumsp. 3 / 2 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140565; KJ140607
Mycoaciaaurea / 2 / 0 / 0 / 1 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / KJ140614; KJ140747
Oligoporuslacteus / 2 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140592
Peniophora cinerea / 2 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140738
Polyporus alveoaris / 2 / 1 / 0 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140677
Steccherinumc.f. ciliolatum / 2 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140624; KJ140627
Steccherinumsp. 2 / 2 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140597
Subulicystidiumlongisporum / 2 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Tomentellasublilacina / 2 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140725
Trechisporasp. 2 / 2 / 2 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140660; KJ140703
Antrodiamacra / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140737
Antrodiaserialis / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140663
Basidioradulum radula / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140758
Ceriporiopsissp. 2 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140732
Cristiniamucida(RL) / 1 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140680
Dacryoboluskarstenii / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140662; KJ140706
Favolaschia alveolaris / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Ganodermatsugae / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / KJ140748
Gloeocystidiellumleucoxanthum / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Gloeocystidiellumsp. 2 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140720
Heterochaetellasp. 1 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140733
Hydnochaeteolivacea / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140712
Hyphodermalitschaueri / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140573
Hyphodermasp. 1 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Hyphodontiacrustosa / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140692
Hyphodontiapallidula / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140566
Hyphodontiasp. 1 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Mycoaciafuscoatra / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 1 / 0 / 0 / KJ140744
Mycorrhaphiumadustum / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140545
Perenniporiafergusii / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140635
Perenniporiasp. 1 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140756
Perenniporiasp. 2 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / KJ140700
Perenniporiasp. 3 / 1 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Phanerochaetesordida / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140726
Phellinustremulae / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 1 / 0 / 0 / ―
Phlebiacentrifuga(RL) / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140640
Phlebiasp. 1 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140617
Physodontiasp. 1 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140741
Piptoporusbetulinus / 1 / 0 / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Postiasp. 3 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140656
Postiasp. 4 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Tomentellabadia / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140664
Tomentellasp. 2 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140547
Tomentellasp. 3 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Trechispora mollusca / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140681
Trechisporasp. 1 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140650
Trechisporasp. 3 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140560
Trechisporasp. 4 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / ―
Trechisporasp. 5 / 1 / 1 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / KJ140534
Total / 1885 / 884 / 763 / 58 / 52 / 40 / 36 / 31 / 10 / 5 / 3 / 2 / 1

aHost substrates (ordered by number of observations): UNKH = unknown hardwood; ACSA = Acer saccharum; Fraxinus = Fraxinus nigra and F. americana; TIAM = Tilia americana; BEAL = Betula alleghaniensis; CACA = Carpinuscaroliniana; OSVI = Ostryavirginiana; TSCA = Tsugacanadensis; PRSE = Prunus serotina; POTR = Populustremuloides; CACO = Caryacordiformis; and QURU = Quercus rubra.

bRL = status on informal red list of rare and/or threatened species in North America; species names correspond with Brazee et al. (2012).

1

Table S4. Occurrence of wood-inhabiting fungal species (n = 130; presence/absence) by treatment to understand the effects of gap formation and CWD addition on wood-inhabiting fungal abundance and diversity in a northern hardwood forest, Wisconsin, USA.

Treatment / Present / Absent / p-valuea
Control / 61 / 69 / ns
Control+Fenced / 59 / 71 / ns
Gap+Fenced / 59 / 71 / ns
Gap Creation / 47 / 83 / 0.002
Gap+CWD / 65 / 65 / ns
CWD Addition / 71 / 59 / ns
Closed-canopy / 105 / 25 / <0.001
Gap Creation / 95 / 35 / <0.001

aObserved proportions between present/absent compared to proportions expected under binomial distribution set at 0.5 (65 out of 130). Significant differences at p = 0.05.

1