Otwarty dostęp

Assessing the role of soil microbial communities of natural forest ecosystem

Gabi-Mirela Matei
Gabi-Mirela Matei
, 
Sorin Matei
Sorin Matei
 oraz 
Victoria Mocanu
Victoria Mocanu
   | 18 sty 2020
The EuroBiotech Journal's Cover Image
O artykule
Poprzedni artykuł
Następny artykuł
Zacytuj
Article Category: Research article
Data publikacji: 18 sty 2020
Zakres stron: 01 - 07
DOI: https://doi.org/10.2478/ebtj-2020-0001
Słowa kluczowe
© 2020 Gabi-Mirela Matei, Sorin Matei and Victoria Mocanu, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Figure 1

Microbial biomass in Rendzic Leptosols from Babadag Plateau.
Microbial biomass in Rendzic Leptosols from Babadag Plateau.

Figure 2

Cellulolytic microflora: a) Absidia corymbifera (azygospore) from litter (300x), b) Trichoderma viride from soil (300x), c) Chaetomium globosum from litter (60x), d) Chaetomium spirale from soil (150x), e) Humicola grisea (300x), f ) Stysanus stemonitis and Mortierella sp.(60x).
Cellulolytic microflora: a) Absidia corymbifera (azygospore) from litter (300x), b) Trichoderma viride from soil (300x), c) Chaetomium globosum from litter (60x), d) Chaetomium spirale from soil (150x), e) Humicola grisea (300x), f ) Stysanus stemonitis and Mortierella sp.(60x).

Microbial counts and soil respiration in Rendzic Leptosols from Visterna - Babadag Plateau

Horizon/Fungal countsBacterial countsSoil respiration potential
Depth (cm)(x 103cfu x g-1 dry soil)(x 106 viable cells x g-1 dry soil)(mg CO2 x 100 g-1 soil)
Ol (5-0)149.880b*414.733c170.804a
Am1 (0-5)220.154a4529.007a146.418b
Am2 (5-20)48.993d3996.211b114.823d
Amq1(20-35)60.514c3.804d127.122c

Ecosystem services carried out by microbial communities in Rendzic Leptosols

Ecosystem servicesMicroorganisms providing the services
Organic matter decomposition and cyclingBacteria, actinomycetes, fungi, especially belonging to cellulolytic group (e.g. species from genera Cytophaga, Chaetomium, Mortierella, Epicoccum)
Improving nutrients availability and uptakeMajority of bacteria, actinomycetes (nitrogen mineralizing species of Streptomyces from Series Griseus), microfungi, ecto or endo-mycorrhizal fungi forming symbioses with trees (e.g. basidiomycetes )
Suppression (inhibition) of plant pathogensAntagonistic species of bacteria (e.g. Pseudomonas fluorescens), actinomycetes, fungi (e.g. Trichoderma viride, Paecilomyces sp.)
Plant growth controlPlant growth promoting microorganisms, mycorrhizal fungi, biocontrol agents (antagonists for pathogens)
Improving soil structure and hydrological processesBacteria producing exopolysaccharides (pseudomonads), actinomycetes, fungi, (e.g. species from genera Humicola, Trichoderma, Myrothecium, Cladosporium), mycorrhizal fungi, all contributing to formation of soil aggregates
Regulation sequestration of gas exchange and carbonMicroorganisms from all groups, mostly from cellulolytic group

Taxonomic composition of bacterial and fungal communities in litter and Rendzic Leptosols from Babadag plateau (Visterna)

Horizon/Bacterial speciesFungal speciesCellulolytic species
Depth (cm)(Topping)(PDA)(Stapp)
OlPseudomonas fluorescens,Penicillium janthinellum,Myrothecium catenulatum,
(5-0)Pseudomonas sp.,Absidia corymbifera, PenicilliumMortierella nana, Chaetomium
Bacillus subtilissp.,globosum, Chaetomium spirale,
Bacillus megaterium,Paecilomyces sp.Mortierella alpina,
Bacillus circulans,Actinomycetes
Serratia marcescens
Actinomycetes Series Albus
Am1 (0-5)Pseudomonas fluorescens, Pseudomonas pseudogleyi,Mortierella minutissima, Cladosporium herbarum,Cytophaga sp., Chaetomium spirale, Mortierella
Bacillus subtilisTrichoderma viride, Penicilliumminutissima,
Actinomycetes Series Fuscusnigricans,Stysanus stemonitis, Mortierella
Fusarium oxysporumalpina,
Humicola grisea,
Epicoccum nigrum,
Actinomycetes Series Fuscus
Am2 (5-20)Pseudomonas fluorescens, Bacillus cereus var. mycoides,Trichoderma viride, Penicillium nigricansMortierella minutissima, Epicoccum nigrum, Mortierella
Bacillus subtilisalpina,
Verticillium tenerum,
Mortierella verticillata, Cytophaga
sp.,
Actinomycetes
Amq1 (20-35)Bacillus megaterium, Pseudomonas sp.,Penicillium chrysogenum, Aspegillus fumigatus, PenicilliumCytophaga sp., Mortierellla verticillata,
Pseudomonas fluorescens,nigricans, Phialophora fastigiata,Mycelia of basidiomycetes,
Bacillus subtilisMortierella minutissima,Absidia corymbifera, Mortierella
Mycelia of basidiomycetesminutissima,
Actinomycetes Series Griseus and
Albus
eISSN:
2564-615X
Język:
Angielski
Częstotliwość wydawania:
4 razy w roku
Dziedziny czasopisma:
Life Sciences, other, Medicine, Biomedical Engineering, Physics, Nanotechnology, Biophysics
Kanał RSS czasopisma