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Table 2 Coding criteria for the systematic map of the impact of agricultural on the ecological status of Irish waterbodies

From: A systematic map protocol: What evidence exists to link agricultural practices with ecological impacts for Irish waterbodies?

Number Coding variable Details/Examples
1 Author(s) and affiliations  
2 Full reference  
3 Publication type Book chapter, journal paper, report
4 Holding institution Organisation holding access to the document
5 Document access issue Open Access or subscription Only
6 Funding agency  
7 Study start and end date Date(s) study was carried out
8 Study length Duration of Study
9 Study description Brief Overview of the Study
10 Study scale Regional/Catchment/Farm/Field/Plot/Lab
11 Experimental design  
12 Waterbody type Estuary/Lake/River/Groundwater. WFD Catergory, Coastal
13 Description of waterbody Brief description of waterbody
  Status of waterbody How impacted is the waterbody under investigation (Ecological, Chemical and Hydromorphology)
14 Study location Where within Ireland
15 Farming type Dairy, livestock, sheep, arable, mixed
16 Soil description Classification, Permeable/impermeable, soil fertility
17 Land use type (dominant and other land use) Pasture, rough grazing, arable, commonage, mixed
18 Description of exposure Description of what agriculture Pressure (e.g. farming type, intensity, derogation etc.) that the waterbody is being exposed to/
19 Exposure time period Length of time exposure has occurred
20 Mitigation description (if any) Description of Mitigation of Exposure
21 Mitigation time period (if any) Length of time Mitigation has been in Place
22 Comparator description e.g. Brief Description of Spatial and/or temporal comparator
23 Comparator type i.e. Spatial and/or temporal
24 Replication Number and unit of replication
25 Methodological detail The level of detail provided in the methods description Low/medium/High/No obvious detail missing
26 Outcome focus Which aquatic variable are measured ( physico-chemical, ecology, hydrology, geomorphology
27 Dominant hydrological pathway of export Overland flow, Drain flow, Interflow, Groundwater, Transition zone
28 Measured outcomes All outcome terms detailed in Table 1
29 Impact on biological status Details of impact on macroinvertebrates, fish, macrophytes, algae etc.
31 Impact on chemical status Details of impact on phosphorus, nitrogen, conductivity, biological oxygen demand etc.
32 Impact on hydro-morphological status Details of impact on riverbed substrate, hydrology, riparian zone etc.
33 Evidence linking exposure/mitigation to outcome Yes/No
34 Strength of evidence of impact Low/Medium/High
35 Description of evidence linking exposure/mitigation to outcome Brief Description
36 Scale at which dominant source area Identified point location, Field, Farm, land use type, sub-catchment, catchment
37 Other compounding sources reported Septic Tanks, WWTP, point sources, urban runoff
38 Other compounding stressors reported Invasive species, lack of a species pool, hydromorphology
39 Policy Relevance Water Framework Directive, Nitrates Directive, Phosphorus Regulations etc.