Data and References Flashcards

(37 cards)

1
Q

UNESCO, 2019

A

2 billion people living in countries with high water stress

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Inagro, 2021

A

70% of freshwater water is used for agriculture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Richie, 2023

A
  • Fresh water graph
  • 1900 - 2014
  • 500 billion m3 - 3.9 trillion m3
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Evans, 2020

A
  • 16% of conventionally managed soils have a lifespan of <100 years
  • 39% of conservatively managed soil lifespan increases to 10,000 years
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Yang, 2024

A

Globally billions of pounds is spent on fertilisers to replenish nutrients lost via soil erosion/degradation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Khatri, 2024

A
  • Fertiliser demand graph
  • 2016 - 2024 (x axis)
  • 170 - 210 Million tons (y axis)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Richie, 2024

A
  • Agriculture has increased soil erosion rates
  • Especially in tropical regions
  • Is the main driver of deforestation globally
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Hu, 2021

A

Deforestation causes ~ 1.5 Gt of carbon to be lost from above and below ground per year

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Hussain, 2021

A

Carbon stored in soil can be 4 times higher than that stored in vegetation or the atmosphere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Yang, 2024

A
  • Warmer temperatures cause more extreme weather events which in turn add to soil erosion. Soil management, climate change and agriculture are all intrinsically linked
  • Agriculture exacerbates Climate change - feedback loops
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Rasmussen, 2024 (Graph)

A
  • Trade-offs in estimated effect on yield and biodiversity
  • -0.1 - 0.3 est. change in biodiversity (x axis)
  • -0.10 - 0.10 est. change in yield (y axis)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Rasmussen, 2024

A

Using more diversification strategies and practices improves food security and nonagricultural biodiversity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Hussain, 2021: Strategies that aid in Carbon sequestration

A
  • Till vs No till
  • Woody plants - deep roots
  • Cover crops
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

2 billion people living in countries with high water stress

A

UNESCO 2019

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

70% of freshwater water is used for agriculture

A

Inagro 2021

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  • Fresh water graph
  • 1900 - 2014
  • 500 billion m3 - 3.9 trillion m3
17
Q
  • 16% of conventionally managed soils have a lifespan of <100 years
  • 39% of conservatively managed soil lifespan increases to 10,000 years
18
Q

Globally billions of pounds is spent on fertilisers to replenish nutrients lost via soil erosion/degradation

19
Q
  • Fertiliser demand graph
  • 2016 - 2024 (x axis)
  • 170 - 210 Million tons (y axis)
20
Q
  • Agriculture has increased soil erosion rates
  • Especially in tropical regions
  • Is the main driver of deforestation globally
21
Q

In two years deforestation caused 12.3 Gt of carbon to be lost from above and below ground

22
Q

Carbon stored in soil can be 4 times higher than that stored in vegetation or the atmosphere

23
Q
  • Warmer temperatures cause more extreme weather events which in turn add to soil erosion. Soil management, climate change and agriculture are all intrinsically linked
  • Agriculture exacerbates Climate change - feedback loops
24
Q
  • Trade-offs in estimated effect on yield and biodiversity
  • -0.1 - 0.3 est. change in biodiversity (x axis)
  • -0.10 - 0.10 est. change in yield (y axis)
A

Rasmussen 2024

25
Using more diversification strategies and practices improves food security and nonagricultural biodiversity
Rasmussen 2024
26
Strategies that aid in Carbon sequestration: * Till vs No till * Woody plants - deep roots * Cover crops
Hussain, 2021
27
Knapp, 2018
* No-till has yield 5.7% lower than conventional till * Organically managed farms have 19.3% lower yield than conventional farms
28
No-till has yield 5.7% lower than conventional till Organically managed farms have 19.3% lower yield than conventional farms
Knapp, 2018
29
Ecosystem services
Jònsson, 2016
30
Jònsson, 2016
Ecosystem services
31
Koudahe, 2022
Cover Crops
32
Cover Crops
Koudahe, 2022
33
Marley 2024
* Ley systems * Red and White clover boosts soil water infiltration rates * White clover significantly increases earthworm populations
34
Ley systems using clover
Marley 2024
35
Kopittke, 2019
Rate of soil loss is 10-1000x more than formed
36
Rate at which soil is lost is 10-1000x higher than it is formed
Kopittke, 2019
37
98.8% consumed calories come from soil
FAO, 2018