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notes_aare [2018-04-16 10:20] – theunkarelse | notes_aare [2018-04-16 11:33] – theunkarelse | ||
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* condensation (water harvesting, shadow) > out: pioneering vegetation | * condensation (water harvesting, shadow) > out: pioneering vegetation | ||
* ditches (increase geodiversity) > out: water retention, erosion, microclimates, | * ditches (increase geodiversity) > out: water retention, erosion, microclimates, | ||
- | * refugia (at large scale) vegetation pockets in the most favourable areas that serve as basecamps to grow from | ||
* mucuva: seeding an area with biodiverse mix of local species (increases tree diversity from 160 to over 2000 species per hectare initially and over 5000 after a decade) | * mucuva: seeding an area with biodiverse mix of local species (increases tree diversity from 160 to over 2000 species per hectare initially and over 5000 after a decade) | ||
+ | * refugia (at large scale) vegetation pockets in the most favourable areas that serve as basecamps to grow from | ||
* assisted migration / transplantation ecology (zoochory or in second phase: disperse topsoil samples) > out: dramatically speeds up regeneration | * assisted migration / transplantation ecology (zoochory or in second phase: disperse topsoil samples) > out: dramatically speeds up regeneration | ||
- | * assisted evolution (like Cobalt-60 exposure) | + | * assisted evolution?? (like Cobalt-60 exposure) |
=== Second phase techniques: === | === Second phase techniques: === | ||
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* second stage: shrubs and first trees (contour hedge rows to maximise impact) | * second stage: shrubs and first trees (contour hedge rows to maximise impact) | ||
* third stage: tree cover, nitrogen fixing trees: root deep, self seed, grow quickly, grow easily from cuttings (automated tree nursery) | * third stage: tree cover, nitrogen fixing trees: root deep, self seed, grow quickly, grow easily from cuttings (automated tree nursery) | ||
- | (Some ecologists call this making a ‘vegetation forecast’) | + | (Essentially we' |
=== Functional traits required: === | === Functional traits required: === | ||
+ | * shade giving | ||
+ | * high water retention | ||
+ | * deep rooted | ||
+ | * fruit bearing (to attract more life) | ||
* high characteristic return time: rate at which a population returns after disturbance | * high characteristic return time: rate at which a population returns after disturbance | ||
* high jump dispersal: can cover long distances over inhospitable habitat in one generation (typically: seeds, insects, birds) | * high jump dispersal: can cover long distances over inhospitable habitat in one generation (typically: seeds, insects, birds) | ||
* high speciation (allopatric) | * high speciation (allopatric) | ||
- | * high water retention | ||
- | * deep rooted | ||
- | * fruit bearing | ||
- | * | ||
=== Weaknesses of an establishing ecosystem: === | === Weaknesses of an establishing ecosystem: === | ||
* low cryptic diversity (genepool) | * low cryptic diversity (genepool) | ||
- | * low tipping point, buffering capacity | + | * low tipping point |
+ | * low buffering capacity | ||