inverewe - an excursion with trees frediani aa january 2017 compressed
TRANSCRIPT
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Inverewe: an excursion with trees
Kevin Frediani B.Sc. (Hons), Dip, Arb. (RFS), P.G. Cert., F.Arbor.A
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Overview: founding story
• Visioning a garden on the edge • Taming the mountain • A (tree) legacy • The artist and her work • A public gift of space & time
– Living & cultural heritage
• Present & future direction…
Focus: phanerophyte (phan.) after Raunkiær 1934 stems: woody and persisting for several years buds: normally above 3 m e.g.: small and large trees
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Where in the world
58th parallel
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Chosen to view the mountain
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Inverewe environment
• Geology
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Inverewe environment
• Climate
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Mild monthly minimum
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Wetter & warmer
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Episodic weather events
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Osgood’s resilient garden!
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Shelterbelt of pine, larch & beech
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1905 (age class 31-40 yrs)
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20 years in the making…
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Glades within shelterbelt!
Circa: 1949
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Result: Inverewe microclimate
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1863
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2016
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A woodland garden
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Great place to trial a diversity of trees
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Informed by Osgood & Mairi’s travels
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Historical plants Lists
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Metrosideros umbellata
Southern rātā
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National collections
• Olearia sp.
O. glandulosa
There are about 130 different species within the genus found mostly in Australia, New Guinea and N. Zealand.
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2 National collections
1) Rhododendron subgenus Hymenanthes which contains one section, Pontica.
• Terminal floral bud, larger leaved, Elepidote without ‘scurfy’ scales
• over 200 species in cultivation in 24 Subsections.
• subsect. Barbata (5/6)
• subsect. Glischra (6/10)
• subsect. Maculifera (7/10)
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Rhododendron barbatum
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Rhododendron glischrum ssp. glischrum
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Rhododendron subsect. Maculifera
Rhododendron morii
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TROBI Champion trees
• Quercus cerris ‘varigatus’ (largest in cultivation) • Podocarpus totora • Aristotelia serrata (tallest in cultivation) • Brachyglottis bruonis (only one in tree register) • Eucalyptus vernicosa • Eucalyptus moorei (best in Scotland) • Gevuina (largest girth) • Hoheria glabrata (largest girth) • Hoheria ‘Glory of Amlwch’ largest recorded • Leptospermum grandiflorum (Tallest) • Magnolia campbelli (largest girth in Scotland) • Magnolia stellata (tallest) • Neopanax (syn psuedopanax) laetus largest • Olearia paniculata (tallest in Scotland) • Photnia prionophylla (tallest) • Rhododendron griffithii (tallest) • Tasmannia (Drimys) lanceolata (with Colonsay House -= tallest) • Pittosporum ‘silver queen’ (iggest in Scotland) • Several other notable Pittosporum & Rhododendron..
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Largest girth
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Largest Neopanax laetus (Kirk) Allan
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Largest
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A group planting doing very well…
Wollemi pine (most N planting?)
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Threats to woody collection
• Phytophora
• Scale insect
• Invasive species
Cottony Camellia Scale (Pulvinaria Floccifera)
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Measures in place until 2019!
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Planning for trees
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Tree risk & continuity management
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Innovative work with Koppert Biological systems
• Vidi Fortum: Improved root activity and better growth.
Stimulates the soil life around the roots, which increases the nutrition available to the plant.
• Vidi Funda: The perfect biological balance in the soil restores the natural balance of soil life and supports the development of useful natural fungi.
• Vidi Terrum: Improve your crop's resistance to stress
stimulating the defence mechanisms and stress resistance of the crop.
• Fortafol: A water-soluble emulsion of humic and fulvic acids, is a biostimulant that stimulates and strengths the crop in an entirely natural way. – Also acts as a fungicide to break down the black sooty mould.
https://www.koppert.com/resilient-cultivation/products/
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Outreach & education
• Bats & Trees workshop June
• i-Tree eco June (Kenton Rogers)
– Bats and Trees
Ochagavia litoralis (syn. Fascicularia)
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Conservation
• Scots pine – James Hutton Institute
• Aspen - Coille Alba
• Juniper – Trees for life?
• Osgood & Mairi's legacy – wild collected sp.
– Botanical collection & prioritising collection
• Glasshouse 2017
• Iris BG software
• Red Squirrel release in March (big 5)
– Joining red deer, eagles, otter, pine martin (& wild cat)
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Public opening spring 2017
£500,000 investment in plant conservation at Inverewe
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Joining up the dots
• Its about people, planet and wise use of profit
– Why > How > What
Margin
Conservation of living & build
heritage
Visitor experience
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What's next?
• Arboretum car park
• Chilean forest – in ashes of Phytophora larch
• CCF shelter belt – for the next 160 years..
• Wider estate – conservation landscape scale – Bein Eighe NNR
• Conservation nursery
• Tree top walk?
• Tree trail
• Apprenticeship(s)
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Playing our part in fulfilment of the 3 functions of the newly designated Wester Ross Biosphere reserve: 1. Conservation - contribute to the
conservation of landscapes, ecosystems, species and genetic variation.
2. Development - foster economic and human development which is socio-culturally and ecologically sustainable.
3. Logistic support - support for demonstration projects, environmental education and training, research and monitoring related to local, regional, national and global issues of conservation and sustainable development
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1883
When planning for a year, plant corn. When planning for a decade, plant trees. When planning for life, train and educate people.
Chinese proverb
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Thank you for listening