Revegetation - Keeping farmland productive for future generations by Ayla Webster
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Transcript of Revegetation - Keeping farmland productive for future generations by Ayla Webster
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REVEGETATION:
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WHAT IS REVEGETATION AND WHY IS IT IMPORTANT?
• Revegetation is the planting of trees and shrubs to increase the ecology of an area.
• There are many different species of native plants that can be planted depending on the area to be revegetated.
• Deep rooted plants hold the soil together and lower the water tables.
• By planting banks and rows of hardy native trees and shrubs, stock and native wildlife can benefit greatly.
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BENEFITS OF REVEGETATION
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NATURE CONSERVATION AND ENVIRONMENTAL BENEFITS
• Nature conservation benefits include habitat for native wildlife, a diversity of native plants, wildlife corridors, conservation of endangered wildlife and stability for natural ecosystems.
• Growing plants absorb carbon dioxide and give out oxygen.
• Grass grows better in shaded areas as there is better ecology in the soil.
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ECONOMIC BENEFITS
• Economical benefits include: shelter for stock and crops, honey, timber, fence posts, cut flowers, fodder, habitat for pest controlling wildlife and erosion and salinity control.
• Some trees may be used as extra feed in a drought.
• Other benefits include aesthetics and preservation of the uniqueness of rural areas.
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BENEFITS FOR STOCK
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SHADE AND SHELTER
• Shade reduces dehydration and deaths from stress after shearing and transporting or mustering on a hot day.
• Trees and shrubby bushes provide a rain and windbreak to protect stock during storms.
• Shelter can provide protection from hypothermia after shearing
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BENEFITS FOR EROSION
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HOLDS SOIL TOGETHER
• Roots and humus provide a network to hold soil together. They also provide small channels for water to soak into the soil.
• Dead leaves, flowers and bark decompose to form humus.
• Humus is taken into the soil by worms and is natures’ water crystals, helping to increase water retention in the soil.
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SALINITY
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INCREASES SOIL PROFILE
• Planting deep rooted trees will reduce salinity by increasing soil levels with roots and humus.
• Decomposing plant matter helps water retention and topsoil profile.
• By increasing soil levels you will lower water table levels, eliminating the evaporation of ground water therefore reducing salt left in the soil.
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BENEFITS FOR CROPS
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NATURAL PEST CONTROL
• Some revegetative plants attract beneficial insects and native animals that control pest species on crops.
• By increasing native animals and insects that eat pests, pesticide use can be cut down considerably.
• By doing this, you will also save money on chemicals and labour.
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BENEFITS FOR NATIVE WILDLIFE
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PROVIDES HABITATS
• Many beneficial native wildlife species are becoming endangered due to habitat loss
• Revegetation provides habitats for many different native wildlife species.
• It also provides safe corridors for the movement of wildlife around the farm and between national parks, keeping it off roads.
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TYPES OF VEGETATIVE PLANTS
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TYPES OF PLANTS TO PLANT
• Plant hardy native species that don’t need much water or any maintenance.
• Indigenous species that are naturally occurring in your specified area are best as they are well adapted to local soils and climatic conditions.
• Strategically place banks and corridors for shade and shelter of stock and crops
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HOW CAN YOU REVEGETATE?
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GRANTS AND WHERE TO BUY PLANTS
• Many plant nurseries grow plants for revegetation.
• The Catchment Management Authority (CMA) and Landcare offers grants for the revegetation of some farmland.
• Many local councils provide grants for revegetation.
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IT’S NEVER TOO LATE TO REVEGETATE!
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GOLD SILVER PLATINUM
BRONZE
WOULD LIKE TO THANK THE SPONSORS OF THE
2011 CREAM OF THE CROP COMPETITION