Abstract
The influence of bryophyte cover on accumulation of organic carbon and biogenic elements in substrate of the dump No1 of Yazivsky sulphur deposit of State Mining-Chemical Enterprise “Sirka” was investigated. The bryophytes were among the first to settle on the dump substrates and form thick, multispecific overgrowth. It was showed, that quantity of the organic carbon in the substrate under moss turfs has increased 1.6–1.8 times compared to its content in substrate without the turfs. The lowest indices of the organic carbon content was detected on the dump top that might be caused by a tension of the ecological factors on this plot (high insolation level, moisture deficit). It was established that bryophytes promote enriching dump substrate with the biogenic elements, first of all, nitrogen and phosphorus. High variability of the organic substance content was determined by both specific moss peculiarities and the microconditions on the dump territory. Life form of species is of great importance, as the highest indices of the organic carbon, nitrogen and phosphorus content was established under moss cover, formed by dense turf species Bryum caespiticium . Thus, the bryophytes as pioneer plants play an important role in process of the renewal of technogenic substrates, promoting accumulation of the organic substance, and in this way creating the conditions for the development of other higher plants and soil biota.
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Claims 7
Claim · model-written summary
Bryophytes were early colonists and formed thick multispecies cover.
Verbatim
e0“The bryophytes were among the first to settle on the dump substrates and form thick, multispecific overgrowth.”
Claim · model-written summary
Substrate beneath moss turfs had 1.6–1.8 times more organic carbon than uncovered substrate.
Verbatim
e0“quantity of the organic carbon in the substrate under moss turfs has increased 1.6–1.8 times compared to its content in substrate without the turfs.”
Claim · model-written summary
Organic carbon content was lowest on the dump top.
Verbatim
e0“The lowest indices of the organic carbon content was detected on the dump top”
t0“bryophyte cover”
Claim · model-written summary
Bryophytes enriched the dump substrate in nitrogen and phosphorus.
Verbatim
e0“bryophytes promote enriching dump substrate with the biogenic elements, first of all, nitrogen and phosphorus.”
Claim · model-written summary
Organic substance varied with moss species and dump microconditions.
- Taxon
- mosse0
- Outcome
- organic substance contente0
- Qualifier
- specific moss peculiarities and the microconditions on the dump territorye0
- Setting
- dump territorye0
Not reportedDirection
Verbatim
e0“High variability of the organic substance content was determined by both specific moss peculiarities and the microconditions on the dump territory.”
Claim · model-written summary
Dense turf formed by Bryum caespiticium had the highest carbon, nitrogen and phosphorus content.
- Taxon
- Bryum caespiticium
Gemmabryum caespiticiume0 - Outcome
- organic carbon, nitrogen and phosphorus contente0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest indices of the organic carbon, nitrogen and phosphorus content was established under moss cover, formed by dense turf species Bryum caespiticium”
Claim · model-written summary
The authors interpret bryophytes as aiding substrate renewal and subsequent plant and soil biota establishment.
Verbatim
e0“bryophytes as pioneer plants play an important role in process of the renewal of technogenic substrates, promoting accumulation of the organic substance, and in this way creating the conditions for the development of other higher plants and soil biota.”