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Table 3 List of variables to be extracted from the relevant studies

From: What evidence exists relating the impact of different grassland management practices to soil carbon in livestock systems? A systematic map protocol

Sections

Variables names

Categories

Information

Example

Article information

Title

 

Full title of the article

Regenerative rotational grazing management of dairy sheep increases springtime grass production and topsoil carbon storage

Publication date

 

Year

2021

First author last name

  

Díaz de Otárola

Journal

 

Full name

Ecological Indicators

Doi

  

https://doiorg.publicaciones.saludcastillayleon.es/10.1016/j.ecolind.2021.107484

Language

 

Language of the main text

English

PICO categories

Population (Type of grasslands)

Grazed pasture

Experimental refer to experimental grass plots that are not harvested/grazed

Grazed pasture

Meadow

Experimental

Intervention

Grazing management

A short description for each intervention will be given

Grazing management

Fertilisation management

Silvopasture

Mowing/cutting management

Liming

Irrigation

Drainage

Burning

Vegetation management

Other

Intervention details

 

Full name

Regenerative rotational grazing

Comparator

Grazing

A short description for each comparator will be given

Grazing

Fertilisation

Silvopasture

Mowing/Cutting

Liming

Irrigation

Vegetation

Natural grassland

Other

Comparator details

 

Full name

Conventional rotational grazing

Outcome

Soil C stocks

Outcome of C values

Soil C stocks

Soil OM stocks

Soil C concentration

Soil total C

Soil OM concentration

Other (to specify)

Study characteristics

Country of the study

 

Can be multiple (put a ; to separate)

Spain

Coordinates

 

Information to include if available. Indicate NA if not available

42º51ʹ11.41′′ N, 2º37ʹ27.20′′ W

Altitude (m)

 

Information to include if available. Indicate NA if not available

567

MAP (mm)

 

Information to include if available. Indicate NA if not available

855

MAT (°C)

 

Information to include if available. Indicate NA if not available

12

Study type

Experimental field plot

Lab and mesocosms studies will be rejected, except if they are combined to field exepriment.

Experimental field plot

Real farms

Combined study (experimental/field)

Years since establishment

 

How long has the intervention (improved management practices) been in place?

6

Study period (month)

value/single

The period taken into account for the study or a single sample.

single

Paired study

Yes

 

YES

No

Number of replicates

  

3

Replication type

Spatially independent replicats

 

Spatially independant replicats

Pseudoreplication

Other

Number of depth increments

  

1

Max. soil depth (cm)

  

10

Measurable parameters

Bulk density (mean value in g/cm3)

 

Mean value across treatments. Indicate NA if not available

NA

Soil pH (mean)

 

Mean values across treatments. Indicate NA if not available

NA

Soil texture

 

Indicate NA if not available

Clay loam

Clay content (%)

 

Mean values across treatments. Indicate NA if not available

31.9

N2O fluxes

Yes

 

No

No

CO2 fluxes

Yes

 

No

No

CH4 fluxes

Yes

 

No

No

Most common plant species

Grasses

Only take into account the main categories (herbs, legumes, forbes) or the characteristics of their metabolism (C3, C4 or CAM). Multiple choice possible. In the case where intervention is based on sowing improved forages or sowing legumes, indicate only the improved sown plant.

Grasses

Legumes

Forbs

Mixture (incl. Legumes)

C3

C4

CAM

Not mentioned

  1. This list is not exhaustive and subject to change upon the reviewing process