2019-04-01_Wildlife_Ranching_Magazine

y = -1.3484x+ 504.42

R²= 0.05967

0

100

200

300

400

500

600

700

800

900

Average^19511954195719601963196619691972197519781981198419871990199319961999200220052008201120142017

annual

total

rainfall

(mm)

Year

NorthernAridBushveld:Annualrainfall

y = -0.9643x+ 568.61

R²= 0.03408

0

100

200

300

400

500

600

700

800

Average^19511954195719601963196619691972197519781981198419871990199319961999200220052008201120142017

annual

total

rainfall

(mm)

Year

CentralBushveld: Annualrainfall

CapeTown Riversd

Kimberley

Bethlehem

Vioolsdrift Upington

Springbok

Oudtshoorn

George

Port

Nolloth

Kuruman

Queensto n

Polokwan

Pretoria

Skukuza

Carnavon

Durban

Ladysmit

Mokhotlong

EastLondon

Umtata

Middelburg

Bloemfontein

Mu ina

Tzaneen

1

2

5

14

7

11

12

13

16

24

22 18 23

20

19

21

15

3

8

9

10

17

4

management | eye on the weather

Region (^1) Region 2
A comparison of rainfall for all these climate regions shows the continuous decrease in rainfall over the years,
with not one region, even towards the wetter eastern parts of the country, having received more than normal rainfall.
Indeed, the very low rainfall totals for 2018 and 2019 are cumbersome.
y = -0.984x+ 395.11
R²= 0.03379
0
100
200
300
400
500
600
700
Average^19511954195719601963196619691972197519781981198419871990199319961999200220052008201120142017
annual
total
rainfall
(mm)
Year
KalahariBushveld: Annualrainfall
Region
y = -0.539x+ 575.6
R²= 0.0089
0
100
200
300
400
500
600
700
800
900
Average^19511954195719601963196619691972197519781981198419871990199319961999200220052008201120142017
annual
total
rainfall
(mm)
Year
DryHighveldGrassland: Annualrainfall
Region 10
y = 0.1696x+ 586.97
R²= 0.00081
0
100
200
300
400
500
600
700
800
900
1000
Average^19511954195719601963196619691972197519781981198419871990199319961999200220052008201120142017
annual
total
rainfall
(mm)
Year
South-EasternThornveld: Annualrainfall
Region 4