| Table 5. Some climate and Weather situations
and their adverse effects on Agricultural Industries |
| Climate and Weather Situation |
Industry/Resource |
Reason Climate is important |
| Rainfall |
|
|
|
- plants become stressed and may die.
|
|
|
- lack of moisture reduces pasture quality®
reduced protein, unpalatable, leading to poor nutrition and poor health.
|
|
|
- Horticulture
- Grain crops
- Pastures
- Soil resources
|
- plants become stressed and may reduce yield and die.
- waterlogging can cause nutrient stress. If too much rain occurs at
harvest, quality is downgraded for wheat.
- water erosion and subsequent physical and chemical soil decline and
water deterioration downstream.
|
|
|
|
- suffer from splitting if occurs at harvest
|
|
|
- possible weed germination eg. barley grass
|
|
|
- spoilt crop, increased labour charges to move products quickly.
|
| Temperature |
|
|
Plants |
- Heat stress reduces yield, increased amounts of moisture needed or
wilting occurs
|
| Animals |
- Heat stress reduces production, requires increased uptake of water,
in severe cases may lead to death
|
|
|
Plants
|
- Cold stress reduces yield eg. wheat with frosts at flowering
|
| Animals |
- Cold stress reduces production, requiring increased uptake of food
to maintain body weight.
|
| Humidity |
|
Animals |
- Heat stress due to difficulty in metabolism with reduced capacity
to cool off by sweating.
|
| Crops/Pastures |
- Increased incidence of mould and fungus which can attack plants
|
| Wind |
|
|
Animals |
- Possible wind chill if cold wind, heat stress if hot wind
|
| Pastures |
- Increased evapotranspiration and possible moisture stress, non target
chemical damage if sprays are used.
|
| Crops, horticulture |
- Lodging of crops; wind damage to fruit trees; non target chemical
damage if sprays are used
|
| Bare soil |
- Wind erosion and dust storms down wind, reducing soil fertility on
site
|
| People and buildings |
|
|
|
Animals |
- Heat stress in hot conditions
|
| Plants |
- Possible humid conditions (see above), non target chemical damage
if sprays are used.
|
| Extreme events |
|
|
Livestock
Horticulture
Pastoral |
- Destroys fruit and cereal crops. Depending on size can also destroy
livestock
|
|
|
Plants, people, animals, buildings |
- Localised flooding, if coinciding with strong winds may cause physical
damage to buildings
|
|
|
Plants, people, animals, soil, water |
- Plant moisture stress, wilting and possible death. Animal malnutrition
and possible death by starvation; potential soil erosion; financial
hardship for majority (due to loss of production and increased costs
to maintain supply in shops) ; potential serious algal blooms
|
|
|
Plants, people, animals, buildings, soil,
water |
- Depending on extent and severity; different levels of damage, risk
and financial hardship
|
|
|
Plants, people, soil, animals, buildings |
- Depending on extent and severity; different levels of damage, risk
and financial hardship
|