Habitat restoration and rewilding
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Why is habitat creation and restoration sometimes more valuable than conservation of a species
• we don’t have to manage the species as much • increase biodiversity
What habitats have been created as a result of human activities
• hay meadows • saltmarsh • wetlands
Why do most semi-natural habitats in the uk require management in order to maintain their features and ecosystems
• there is a fear that they can be removed and become extinct
What things should be considered when planning and designing a new nature reserve
• make sure the whole area is protected • having corridors • having diverse habitats
What are the abiotic features of a habitat
• temperature • water availability • ph • light availability • wind velocity • salinity • mineral availability • soil type • dissolved oxygen
How is temperature manipulated or managed
• increase - remove vegetation • decrease - adding large bodies of water
How is water availability manipulated or managed
• increase - plant more vegetation • decrease - drain the area
How is ph manipulated or managed
• increase - acidic • decrease - alkaline - introduce limestone
How is light availability manipulated or managed
• increase - clear trees • decrease - plant trees
How is wind velocity manipulated or managed
• increase - remove some vegetation • decrease - plant thick vegetation
How is salinity manipulated or managed
• plant species that are adapted to that area
How is mineral availability manipulated or managed
• introduce different rock types
How is soil type manipulated or managed
• sandy soil - introduce clay • clay soil - introduce more sand
How is dissolved oxygen maintained or managed
• bubble oxygen through a tube • introduce aquatic plants and species
What are the biotic features of a habitat
• food availability • biodiversity • presence of pathogens • presence of competitors • presence of seed disburses • presence of pollinators • presence of predators
How is food availability manipulated or managed
• increase vegetation and plants • leaving dead vegetation
How is the presence of pathogens manipulated or managed
• removal of disease vectors • use antibiotics
How is the presence of competitors manipulated or managed
• reducing numbers of deers • physically remove them
How is the presence of seed disburses manipulated or managed
• reintroduce seed disburses • wind velocity • increase birds
How is the presence of pollinators manipulated or managed
• increase amount of wild flowers • reduce the use of pesticides
How is the presence of predators manipulated or managed
• reintroduction of predators • removal of invasive species