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
  • too little
  • Pastures
  • plants become stressed and may die.
  • Livestock
  • lack of moisture reduces pasture quality® reduced protein, unpalatable, leading to poor nutrition and poor health.
  • too much
  • 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.
  • wrong time
  • Cherries
  • suffer from splitting if occurs at harvest
  • Pastures
  • possible weed germination eg. barley grass
  • Dried fruits
  • spoilt crop, increased labour charges to move products quickly.
Temperature
  • too hot
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
  • too cold
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
  • too much
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
  • Damage, threat to life
  • not enough
Animals
  • Heat stress in hot conditions
Plants
  • Possible humid conditions (see above), non target chemical damage if sprays are used.
Extreme events
  • Hail
Livestock
Horticulture
Pastoral
  • Destroys fruit and cereal crops. Depending on size can also destroy livestock
  • Severe storms
Plants, people, animals, buildings
  • Localised flooding, if coinciding with strong winds may cause physical damage to buildings
  • Drought
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
  • Floods
Plants, people, animals, buildings, soil, water
  • Depending on extent and severity; different levels of damage, risk and financial hardship
  • Fires
Plants, people, soil, animals, buildings
  • Depending on extent and severity; different levels of damage, risk and financial hardship