Paper · 2010 · Zhongguo caodi xuebao

Influence of Cattle Grazing Gradient on Plant Community Characteristics in Hulunber Meadow Steppe

Guixia Yang

10
claims
20
verbatim quotes
6
citations
2
research areas
—
Not open access

Abstract

The influence of cattle grazing gradient on plant community characteristics in Hulunber meadow steppe by grazing experiment was studied.The result showed that the tendency of height,coverage,density and biomass of plant communities were different in different seasons.The height and coverage decreased with the increase of grazing gradient;community density showed an increase-decrease-again increase trend with increasing of the grazing gradient.Community height was significantly decreased when stocking rate was higher than 0.46 Au/hm2,the height,coverage,density of plant community touched the bottom when the stocking rate was 0.69 Au/hm2.The appropriate grazing gradient of cattle during forage growing season was 0.00Au/hm2~0.46Au/hm2.Aboveground living biomass during the growing season showed low-high-low single-peak curve trend;with the increase in stocking rate,the peak value of the above-ground green biomass was decreased and the date of peak value was brought forward.Community height,coverage,density and aboveground living biomass throughout the grazing season were negatively correlated with grazing gradient.

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Claims 10

Associationobservedoriginal resultmeasured

Claim · model-written summary

Plant community height and coverage decreased as the grazing gradient increased.

Taxon
Hulunber Meadow Steppet0
Treatment
grazing gradiente1
Outcome
height and coveragee1
Direction
decreasede1

Verbatim

t0

“Hulunber Meadow Steppe”

✓ located verbatim in the source · title, characters 75–97 · show in text ↑
e1

“The height and coverage decreased with the increase of grazing gradient”

✓ located verbatim in the source · abstract, characters 268–339 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Community density showed an increase, decrease and increase trend as the grazing gradient increased.

Taxon
Hulunber Meadow Steppet0
Treatment
grazing gradiente2
Outcome
community densitye2
Direction
increase-decrease-again increase trende2

Verbatim

t0

“Hulunber Meadow Steppe”

✓ located verbatim in the source · title, characters 75–97 · show in text ↑
e2

“community density showed an increase-decrease-again increase trend with increasing of the grazing gradient”

✓ located verbatim in the source · abstract, characters 340–446 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Community height was significantly decreased when stocking rate was higher than 0.46 Au/hm2.

Taxon
Hulunber Meadow Steppet0
Treatment
stocking rate was higher than 0.46 Au/hm2e3
Outcome
Community heighte3
Direction
significantly decreasede3
Value
0.46 Au/hm2e3

Verbatim

t0

“Hulunber Meadow Steppe”

✓ located verbatim in the source · title, characters 75–97 · show in text ↑
e3

“Community height was significantly decreased when stocking rate was higher than 0.46 Au/hm2”

✓ located verbatim in the source · abstract, characters 447–538 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Height, coverage and density of the plant community reached their lowest level at a stocking rate of 0.69 Au/hm2.

Taxon
Hulunber Meadow Steppet0
Treatment
stocking rate was 0.69 Au/hm2e4
Outcome
height,coverage,density of plant communitye4
Direction
touched the bottome4

Verbatim

t0

“Hulunber Meadow Steppe”

✓ located verbatim in the source · title, characters 75–97 · show in text ↑
e4

“the height,coverage,density of plant community touched the bottom when the stocking rate was 0.69 Au/hm2”

✓ located verbatim in the source · abstract, characters 539–643 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors recommend a cattle grazing gradient of 0.00 to 0.46 Au/hm2 during the forage growing season.

Taxon
Hulunber Meadow Steppet0
Outcome
appropriate grazing gradiente5
Value
0.00Au/hm2~0.46Au/hm2e5

Verbatim

t0

“Hulunber Meadow Steppe”

✓ located verbatim in the source · title, characters 75–97 · show in text ↑
e5

“The appropriate grazing gradient of cattle during forage growing season was 0.00Au/hm2~0.46Au/hm2”

✓ located verbatim in the source · abstract, characters 644–741 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Aboveground living biomass during the growing season followed a low-high-low single-peak curve.

Taxon
Hulunber Meadow Steppet0
Outcome
Aboveground living biomasse6
Qualifier
low-high-low single-peak curve trende6

Verbatim

t0

“Hulunber Meadow Steppe”

✓ located verbatim in the source · title, characters 75–97 · show in text ↑
e6

“Aboveground living biomass during the growing season showed low-high-low single-peak curve trend”

✓ located verbatim in the source · abstract, characters 742–838 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

The peak value of above-ground green biomass decreased as stocking rate increased.

Taxon
Hulunber Meadow Steppet0
Treatment
stocking ratee7
Outcome
peak value of the above-ground green biomasse7
Direction
decreasede7

Verbatim

t0

“Hulunber Meadow Steppe”

✓ located verbatim in the source · title, characters 75–97 · show in text ↑
e7

“with the increase in stocking rate, the peak value of the above-ground green biomass was decreased and the date of peak value was brought forward”

✓ located after whitespace/quote normalisation · abstract, characters 839–983 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

The date of peak green biomass was brought forward as stocking rate increased.

Taxon
Hulunber Meadow Steppet0
Treatment
stocking ratee7
Outcome
date of peak valuee7
Direction
brought forwarde7

Verbatim

t0

“Hulunber Meadow Steppe”

✓ located verbatim in the source · title, characters 75–97 · show in text ↑
e7

“with the increase in stocking rate, the peak value of the above-ground green biomass was decreased and the date of peak value was brought forward”

✓ located after whitespace/quote normalisation · abstract, characters 839–983 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Community height, coverage and density were negatively correlated with grazing gradient over the grazing season.

Taxon
Hulunber Meadow Steppet0
Treatment
grazing gradiente0
Outcome
Community height,coverage,densitye0
Direction
decreaseinferrede0

Verbatim

t0

“Hulunber Meadow Steppe”

✓ located verbatim in the source · title, characters 75–97 · show in text ↑
e0

“Community height,coverage,density and aboveground living biomass throughout the grazing season were negatively correlated with grazing gradient”

✓ located verbatim in the source · abstract, characters 984–1127 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Aboveground living biomass over the grazing season was negatively correlated with grazing gradient.

Taxon
Hulunber Meadow Steppet0
Treatment
grazing gradiente0
Outcome
aboveground living biomasse0
Direction
decreaseinferrede0

Verbatim

t0

“Hulunber Meadow Steppe”

✓ located verbatim in the source · title, characters 75–97 · show in text ↑
e0

“Community height,coverage,density and aboveground living biomass throughout the grazing season were negatively correlated with grazing gradient”

✓ located verbatim in the source · abstract, characters 984–1127 · show in text ↑