| Title |
Long-term effects of grazing and topography on extra-radical hyphae of arbuscular mycorrhizal fungi in semi-arid grasslands
|
|---|---|
| Published in |
Mycorrhiza, December 2017
|
| DOI | 10.1007/s00572-017-0812-x |
| Pubmed ID | |
| Authors |
Haiyan Ren, Weiyang Gui, Yongfei Bai, Claudia Stein, Jorge L. M. Rodrigues, Gail W. T. Wilson, Adam B. Cobb, Yingjun Zhang, Gaowen Yang |
| Abstract |
Grazing and topography have drastic effects on plant communities and soil properties. These effects are thought to influence arbuscular mycorrhizal (AM) fungi. However, the simultaneous impacts of grazing pressure (sheep ha-1) and topography on plant and soil factors and their relationship to the production of extra-radical AM hyphae are not well understood. Our 10-year study assessed relationships between grazing, plant species richness, aboveground plant productivity, soil nutrients, edaphic properties, and AM hyphal length density (HLD) in different topographic areas (flat or sloped). We found HLD linearly declined with increasing grazing pressure (1.5-9.0 sheep ha-1) in sloped areas, but HLD was greatest at moderate grazing pressure (4.5 sheep ha-1) in flat areas. Structural equation modeling indicates grazing reduces HLD by altering soil nutrient dynamics in sloped areas, but non-linearly influences HLD through plant community and edaphic changes in flat areas. Our findings highlight how topography influences key plant and soil factors, thus regulating the effects of grazing pressure on extra-radical hyphal production of AM fungi in grasslands. Understanding how grazing and topography influence AM fungi in semi-arid grasslands is vital, as globally, severe human population pressure and increasing demand for food aggravate the grazing intensity in grasslands. |
X Demographics
The data shown below were collected from the profiles of 2 X users who shared this research output. Click here to find out more about how the information was compiled.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 2 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 1 | 50% |
| Scientists | 1 | 50% |
Mendeley readers
The data shown below were compiled from readership statistics for 43 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 43 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 8 | 19% |
| Student > Master | 7 | 16% |
| Student > Bachelor | 6 | 14% |
| Professor > Associate Professor | 3 | 7% |
| Researcher | 3 | 7% |
| Other | 4 | 9% |
| Unknown | 12 | 28% |
| Readers by discipline | Count | As % |
|---|---|---|
| Agricultural and Biological Sciences | 12 | 28% |
| Environmental Science | 11 | 26% |
| Biochemistry, Genetics and Molecular Biology | 1 | 2% |
| Psychology | 1 | 2% |
| Earth and Planetary Sciences | 1 | 2% |
| Other | 0 | 0% |
| Unknown | 17 | 40% |
Attention Score in Context
This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 12 July 2018.
All research outputs
#14,964,325
of 23,016,919 outputs
Outputs from Mycorrhiza
#359
of 656 outputs
Outputs of similar age
#252,719
of 439,310 outputs
Outputs of similar age from Mycorrhiza
#8
of 14 outputs
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So far Altmetric has tracked 656 research outputs from this source. They receive a mean Attention Score of 3.4. This one is in the 42nd percentile – i.e., 42% of its peers scored the same or lower than it.
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