Download - The ecology of some mould genera indoors
Konsulenter innen sopp- og insektspørsmål. Biologiske bygningsskader.
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Indoor microbial ecology:
Substrate and location preferences for Actinomycetes and 13 mould genera
Maria Nunez
Brisbane, July 2012
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Macroclimate
Microclimate
Material characteristics
Microbial biology
Microbial interactions
RF 0-12 ºC 12-25 ºC
75-80 % Penicillium Aspergillus
80-90 % Aspergillus versicolor
Cladosporium
Ulocladium Alternaria
> 90 % Stachybotrys
Chaetomium
The most common genera indoors
Grant 1989
Cladosporium
Penicillium
Aspergillus
Actinomycetes
Chaetomium
Stachybotrys
Acremonium
Ulocladium
Ascotricha
Eurotium
Myxotrichum
Chrysosporium
Trichoderma
Hyalodendron
0 500 1000 1500 2000 2500
22%
15%
15%
11%
9%
7%
7%
6%
3%
1%
1%
1%
1%
1%
SUBSTRATE (%)
Paint
Fibreboard
Chipboard
Vinyl/Linoleum
Concrete
Wind barrier
Wall paper
Gypsum board
Wood
Unknown
0 500 1000 1500 2000 2500 3000 3500 4000
0,7
2,4
3,7
3,8
5,8
6,5
6,8
10,6
27
32,7
ROOM LOCATION (%)
Crawl space
Kitchen
Attic
Bathroom
Basement
Warm room
0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000
4,4
6
7,3
10,6
27,6
44,1
CONSTRUCTION (%)
Wall against dry room
Window sill
Floor
Wall against wet room
Ceiling
Outer wall
0 1000 2000 3000 4000 5000 6000
0,3
2,7
11,5
12
19,2
54,2
11032 collections (2001-2006) Location = room + construction
Concrete
Gypsum board
Others
Wind barrier
Wall paper
Wood
Acremonium substratesAttic, ceiling
Basement, ceiling
Basement, outer wall
Bathroom, wall against wet room
Crawl space, ceiling
Kitchen, wall against wet room
Warm room, ceiling
Warm room, floor
Warm room, outer wall
Others (<6%)
Acremonium locations
Actinomycetes
On concrete (39,5%) and wood (23,7%) Outer wall in basements (57%)
Basement, ceiling
Basement, floor
Basement, outer wall
Bathroom, wall against wet room
Crawl space, ceiling
Kitchen, wall against wet room
Warm room, floor
Warm room, outer wall
Others (<6%)
Wind barrierConcreteFibreboardGypsum boardVinyl/linoleumWall paperWoodOthers
Ascotricha
On gypsum boards (41,2%) and wood (30,5%)
Insulated outer walls in basements (83,5%)
Attic, ceiling
Basement, outer wall
Crawl space, ceiling
Warm room, outer wall
Others (<6%)
Wind barrier
Chipboard
Concrete
Gypsum board
Wall paper
Wood
Others
Aspergillus
Wood (35%) and wall paper (14,8%), but on all porous substrates
Outer walls (59%) in warm rooms (37%) and basements (22%)
Attic, ceiling
Basement, ceiling
Basement, floor
Basement, outer wall
Bathroom, wall against wet room
Crawl space, ceiling
Kitchen, wall against wet room
Warm room, ceiling
Warm room, floor
Warm room, outer wall
Others (<6%)
Wind barrierChipboardConcreteGypsum boardVinyl/linoleumWall paperWoodOthers
Penicillium
Many substrates, mainly wood (48%)
Mainly on outer walls in warm rooms (40%)
Attic, ceiling
Basement, ceiling
Basement, floor
Basement, outer wall
Bathroom, wall against wet room
Crawl space, ceiling
Kitchen, floor
Kitchen, wall against wet room
Warm room, ceiling
Warm room, floor
Warm room, outer wall
Others (<6%)
Wind barrier
Chipboard
Gypsum board
Vinyl/linoleum
Wall paper
Wood
Others
Chaetomium
On chipboard (30,6%) and wood (30%) Walls against wet rooms (31%)
Basement, ceiling
Basement, outer wall
Bathroom, floor
Bathroom, wall against wet room
Kitchen, floor
Kitchen, wall against wet room
Warm room, ceiling
Warm room, floor
Warm room, outer wall
Warm room, wall against wet room
Others (<6%)
Wind barrier
Chipboard
Gypsum board
Vinyl/linoleum
Wall paper
Wood
Others
Chrysosporium
On wood (34%) and wind barriers (27%)On ceilings in cold places (64%), mainly basements (29%)
LOCATION
Attic, ceiling
Basement, ceiling
Basement, outer wall
Crawl space, ceiling
Warm room, ceiling
Warm room, outer wall
Others (<6%)
Wind barrierChipboardFibreboardWall paperWoodOthers
Cladosporium
On wood in attics (89%) and concrete in basements (37,7 %)
On outer walls (57%) in warm rooms (36%) and basements (21%)
Attic, ceiling
Basement, ceiling
Basement, outer wall
Bathroom, ceiling
Bathroom, wall against wet room
Crawl space, ceiling
Warm room, ceiling
Warm room, outer wall
Warm room, window sill
Others (<6%)
Wind barrier
Concrete
Fibreboard
Gypsum board
Paint
Wall paper
Wood
Others
Hyalodendron
On wood (93%) Mainly ceilings in cold attics (89%)
Attic, ceiling
Basement, ceiling
Basement, outer wall
Warm room, ceiling
Warm room, outer wall
ChipboardFibreboardWood
Myxotrichum
On wind barriers (58%) and wood (30%)
In basements and crawl spaces (61%), mainly inside isolated outer walls in basements (36%)
Basement, ceiling
Basement, outer wall
Bathroom, floor
Bathroom, wall against wet room
Crawl space, ceiling
Warm room, ceiling
Warm room, floor
Warm room, outer wall
Others (<6%)
Wind barrierConcreteWoodOthers
Stachybotrys
On gypsum boards in bathrooms (64,7%) Walls against wet rooms (39%)
Basement, ceiling
Basement, outer wall
Bathroom, floor
Bathroom, wall against wet room
Kitchen, floor
Kitchen, wall against wet room
Warm room, ceiling
Warm room, floor
Warm room, outer wall
Others (<6%)
Wind barrier
Gypsum board
Vinyl/linoleum
Wall paper
Wood
Others
Trichoderma
On wood (51%) and woodboards (23%)Mainly on outer walls and floors in warm rooms (58%)
Attic, ceiling
Basement, outer wall
Bathroom, ceiling
Bathroom, wall against wet room
Kitchen, wall against wet room
Warm room, ceiling
Warm room, floor
Warm room, outer wall
Others (<6%)
ChipboardFibreboardGypsum boardWall paperWoodOthers
Ulocladium
Mainly on gypsum board (32%) and wall paper (26%)
On outer walls (74%), mainly in warm rooms (60%)
Basement, outer wall
Bathroom, ceiling
Bathroom, wall against wet room
Kitchen, wall against wet room
Warm room, ceiling
Warm room, floor
Warm room, outer wall
Others (>6%)
Wind barrierConcreteFibreboardGypsum boardWall paperWoodOthers
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