HabitatMech

forest soil

ENVO:00002261 ·resolve ·TERRESTRIAL ·EXACT SEEDED

A portion of soil which is found in a forested area. — ENVO

SEEDED workflow status. The source-seeding rules supplied this record; consult its curation history for later attributed changes. This status does not establish human review.

Source attestations

Each upstream vocabulary's own account of this habitat. Assertion counts are per-source units and are not comparable across sources — GOLD counts organisms, BacDive strains, PREGO taxa.

What each upstream vocabulary says about this habitat
SourceLabel / pathAssertionsUnit
ENVIRONMENTS_TABLE soil_forest
Physicochemical parameter bands from kg-microbe's environment table.		 —
MADIN forest soil 67 TAXON
PREGO forest soil 2139 TAXON

Broader habitats

Environmental parameters

Physicochemical parameters
ParameterValueSource
GRADIENTShighkg-microbe environments.csv (soil_forest)
NUTRIENTSmediumkg-microbe environments.csv (soil_forest)
ORGANIC_MATTERmediumkg-microbe environments.csv (soil_forest)
PRESSURElowkg-microbe environments.csv (soil_forest)
SALINITYlowkg-microbe environments.csv (soil_forest)
SALINITY_VARIABILITYsmallkg-microbe environments.csv (soil_forest)
STRUCTURAL_COMPLEXITYhighkg-microbe environments.csv (soil_forest)
TEMPERATURE_VARIABILITYmediumkg-microbe environments.csv (soil_forest)
WATER_AVAILABILITYmediumkg-microbe environments.csv (soil_forest)
WATER_VARIABILITYoccasionally drykg-microbe environments.csv (soil_forest)

Causal graphs

Forest soil root-litter fungal cycling

Forest soils receive tree litter, deadwood, and root-derived carbon inputs that partition decomposition and organic-nitrogen mining across saprotrophic and ectomycorrhizal fungal guilds.

Directed graph · arrows run from subject to object. Focus or hover over a node or arrow for details; the evidence table follows.
Forest soil root-litter fungal cycling 12 nodes and 14 directed relationships. Labels and evidence are also available in the adjacent table. forest soil — receives → tree litter and deadwood; Evidence: PMID:27856492 receives tree litter and deadwood — creates → organic forest floor; Evidence: PMID:27856492 creates organic forest floor — selects for → saprotrophic fungi; Evidence: PMID:27856492 selects for saprotrophic fungi — uses → lignocellulolytic enzymes; Evidence: PMID:21776033 uses lignocellulolytic enzymes — drives → litter decomposition; Evidence: PMID:21776033 drives forest soil — contains → tree roots; Evidence: PMID:27856492 contains tree roots — supplies → root-derived carbon; Evidence: PMID:23539604 supplies root-derived carbon — supports → ectomycorrhizal fungi; Evidence: PMID:23539604 supports ectomycorrhizal fungi — performs → organic nitrogen mining; Evidence: PMID:26365785 performs ectomycorrhizal fungi — competes with → saprotrophic fungi; Evidence: PMID:26365785 competes with saprotrophic fungi — contributes to → saprotroph-ectomycorrhizal competition; Evidence: PMID:26365785 contributes to ectomycorrhizal fungi — contributes to → saprotroph-ectomycorrhizal competition; Evidence: PMID:26365785 contributes to saprotroph-ectomycorrhizal competition — modulates → litter decomposition; Evidence: PMID:29880913 modulates saprotroph-ectomycorrhizal competition — modulates → forest soil carbon cycling; Evidence: PMID:26365785 modulates forest soil (HABITAT); forest_soil; ENVO:00002261 HABITAT forest soil tree litter and deadwood (ENVIRONMENTAL_FACTOR); tree_litter_deadwood ENVIRONMENTAL_FACTOR tree litter and deadwood organic forest floor (STATE); organic_forest_floor STATE organic forest floor saprotrophic fungi (TAXON); saprotrophic_fungi TAXON saprotrophic fungi lignocellulolytic enzymes (MOLECULAR_FUNCTION); lignocellulolytic_enzymes MOLECULAR_FUNCTION lignocellulolytic enzymes litter decomposition (BIOLOGICAL_PROCESS); litter_decomposition BIOLOGICAL_PROCESS litter decomposition tree roots (HABITAT); tree_roots HABITAT tree roots root-derived carbon (CHEMICAL); root_derived_carbon CHEMICAL root-derived carbon ectomycorrhizal fungi (TAXON); ectomycorrhizal_fungi TAXON ectomycorrhizal fungi organic nitrogen mining (BIOLOGICAL_PROCESS); organic_nitrogen_mining BIOLOGICAL_PROCESS organic nitrogen mining saprotroph-ectomycorrhizal competition (COMMUNITY_PROCESS); saprotroph_ectomycorrhizal_competition COMMUNITY_PROCESS saprotroph-ectomycorrhizal competition forest soil carbon cycling (BIOLOGICAL_PROCESS); forest_soil_carbon_cycling BIOLOGICAL_PROCESS forest soil carbon cycling
forest_soil_root_litter_fungal_cycling edges
EdgeSubjectPredicateObjectEvidence
forest_soil_receives_tree_litter forest soil receives
Forest soils receive recalcitrant organic matter from tree litter and deadwood.		 tree litter and deadwood PMID:27856492
Baldrian identifies tree litter and deadwood as important sources of recalcitrant organic matter in forest ecosystems.
tree_litter_builds_forest_floor tree litter and deadwood creates
Forest-tree litter drives organic-matter accumulation on the forest soil surface.		 organic forest floor PMID:27856492
Baldrian describes forest-tree litter as a major source of organic matter on forest soil surfaces.
forest_floor_selects_saprotrophs organic forest floor selects for
Plant-cell-wall polymers in the forest floor select for saprotrophic fungi able to decompose recalcitrant plant litter.		 saprotrophic fungi PMID:27856492
Baldrian links litter biopolymer composition to saprotrophic taxa able to decompose recalcitrant plant-derived polymers.
saprotrophs_use_lignocellulolytic_enzymes saprotrophic fungi uses
Active saprotrophic fungi express extracellular enzymes for decomposing plant-cell-wall polymers in forest soils.		 lignocellulolytic enzymes PMID:21776033
Baldrian and colleagues connected active forest-soil microbial communities to cellulose-decomposition strata.
enzymes_drive_litter_decomposition lignocellulolytic enzymes drives
Extracellular enzymatic activity drives breakdown of forest litter polymers.		 litter decomposition PMID:21776033
Baldrian and colleagues profiled active decomposer communities and transcripts across decomposing forest litter and soil.
forest_soil_contains_tree_roots forest soil contains
Forest soil contains tree roots and their associated symbiotic fungi.		 tree roots PMID:27856492
Baldrian frames tree roots and symbionts as a heavily studied habitat within the forest-soil microbiome.
roots_supply_ectomycorrhizal_carbon tree roots supplies
Tree roots move photosynthetically fixed carbon into forest soils and support root-associated fungal mycelia.		 root-derived carbon PMID:23539604
Clemmensen and colleagues traced long-term boreal forest carbon sequestration to roots and root-associated fungi.
root_carbon_supports_ectomycorrhizae root-derived carbon supports
Host-supplied carbon lets ectomycorrhizal fungi grow from tree roots into soil organic horizons.		 ectomycorrhizal fungi PMID:23539604
Clemmensen and colleagues found that root-associated fungal inputs dominate long-term carbon accumulation in boreal forest soil.
ectomycorrhizae_mine_organic_nitrogen ectomycorrhizal fungi performs
Ectomycorrhizal fungi in forest soils mobilize organic nitrogen rather than relying only on inorganic nitrogen pools.		 organic nitrogen mining PMID:26365785
Fernandez and Kennedy review mechanisms by which ectomycorrhizal fungi can mine forest soil organic matter for nitrogen.
fungal_guilds_compete ectomycorrhizal fungi competes with
Ectomycorrhizal and saprotrophic fungal guilds can compete for nitrogen and space in forest soil organic horizons.		 saprotrophic fungi PMID:26365785
Fernandez and Kennedy review the Gadgil effect as competition between ectomycorrhizal and saprotrophic fungi in forest soils.
saprotrophs_contribute_to_guild_competition saprotrophic fungi contributes to
Saprotrophic fungi are one side of the fungal-guild competition that can alter forest-soil decomposition.		 saprotroph-ectomycorrhizal competition PMID:26365785
Fernandez and Kennedy review saprotrophic fungi as a central guild in forest-soil organic-matter breakdown.
ectomycorrhizae_contribute_to_guild_competition ectomycorrhizal fungi contributes to
Ectomycorrhizal fungi are the root-associated competitor guild in Gadgil-effect suppression of saprotrophic decomposition.		 saprotroph-ectomycorrhizal competition PMID:26365785
Fernandez and Kennedy review the interaction of ectomycorrhizal and saprotrophic fungi as a control on forest-soil decomposition.
guild_competition_modulates_decomposition saprotroph-ectomycorrhizal competition modulates
Competition between root-associated ectomycorrhizal fungi and free-living saprotrophs can suppress early litter decomposition.		 litter decomposition PMID:29880913
Sterkenburg and colleagues found higher surface-litter decomposition after excluding tree roots and ectomycorrhizal fungi.
guild_competition_modulates_carbon_cycling saprotroph-ectomycorrhizal competition modulates
Fungal guild interactions modulate the fate of organic carbon in forest soils.		 forest soil carbon cycling PMID:26365785
Fernandez and Kennedy review evidence that ectomycorrhizal and saprotrophic fungal interactions influence forest-soil carbon cycling.

Associated taxa

Taxa reported from this habitat, which is weaker than being characteristic of it. rank is out of pool: a high rank in a pool of thousands of near-tied scores is a weak claim. Entries corroborated by a second, independent source are listed first.

Taxa reported from this habitat
TaxonSourceRankPoolCorroborated
Streptomyces bottropensis ATCC 25435 NCBITaxon:1054862 PREGO 3 2139 MADIN
Methylovulum miyakonense HT12 NCBITaxon:1078846 PREGO 5 2139 MADIN
Actinokineospora enzanensis DSM 44649 NCBITaxon:1120934 PREGO 9 2139 MADIN
Anaerosporobacter mobilis DSM 15930 NCBITaxon:1120996 PREGO 10 2139 MADIN
Andreprevotia chitinilytica DSM 18519 NCBITaxon:1120999 PREGO 11 2139 MADIN
Anaerocolumna jejuensis DSM 15929 NCBITaxon:1121322 PREGO 12 2139 MADIN
Pseudoduganella violaceinigra DSM 15887 NCBITaxon:1121480 PREGO 13 2139 MADIN
Hamadaea tsunoensis DSM 44101 NCBITaxon:1121946 PREGO 14 2139 MADIN
Klebsiella oxytoca BRL6-2 NCBITaxon:1168170 PREGO 19 2139 MADIN
Microbacterium sp. URHA0036 NCBITaxon:1298860 PREGO 24 2139 MADIN
Flavobacterium sp. URHB0058 NCBITaxon:1298868 PREGO 25 2139 MADIN
Acidobacteriaceae bacterium URHE0068 NCBITaxon:1380348 MADIN — 67 PREGO
Rhodospirillales bacterium URHD0088 NCBITaxon:1380394 MADIN — 67 PREGO
edaphobacter_dinghuensis NCBITaxon:1560005 MADIN — 67 PREGO
kitasatospora_gansuensis NCBITaxon:258050 MADIN — 67 PREGO
chromobacterium_amethystinum NCBITaxon:29581 MADIN — 67 PREGO
Lachnoclostridium phytofermentans ISDg NCBITaxon:357809 MADIN — 67 PREGO
Methylocella silvestris BL2 NCBITaxon:395965 MADIN — 67 PREGO
mycobacterium_moriokaense NCBITaxon:39691 MADIN — 67 PREGO
actinopolymorpha_rutila NCBITaxon:446787 MADIN — 67 PREGO
Conexibacter woesei DSM 14684 NCBITaxon:469383 MADIN — 67 PREGO
Actinospica robiniae DSM 44927 NCBITaxon:479430 MADIN — 67 PREGO
Catenulispora acidiphila DSM 44928 NCBITaxon:479433 MADIN — 67 PREGO
burkholderia_lata NCBITaxon:482957 MADIN — 67 PREGO
Chitinophaga pinensis DSM 2588 NCBITaxon:485918 MADIN — 67 PREGO

Showing 25 of 39 kept associations.

Also called

Curation

What a curator decided about this record, and why. A record built from several source concepts can carry one decision per concept.

  1. ADD_CAUSAL_GRAPH 2026-09-04 · codex

    Added a forest-soil root-litter fungal-cycling graph backed by PMID:27856492, PMID:21776033, PMID:23539604, PMID:26365785, and PMID:29880913.

Provenance

Generated by scripts/seed_from_sources.py from the committed inventories in data/raw/. View the record.