110 lines
3.3 KiB
JSON
110 lines
3.3 KiB
JSON
{
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"_meta": {
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"version": "1.0",
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"location": "Ketchikan, AK (55°20′N)",
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"climate_zone": "Pacific Temperate Rainforest",
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"soil_order": "Spodosol",
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"baseline_ph": {
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"min": 4.2,
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"max": 5.3,
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"typical": 4.8
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},
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"annual_precip_mm": 2100,
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"citizen": "Audrey Maldonato",
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"certification_track": "Certified Grounds Manager, ISA Arborist"
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},
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"canopy_species": [
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{
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"wikidata": "Q1144409",
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"binomial": "Tsuga heterophylla",
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"common": "Western Hemlock",
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"role": "dominant_canopy",
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"shade_factor": 0.85,
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"lifespan_years": 600,
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"notes": "Creates dense shade; drives podzolization via needle litter"
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}
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],
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"understory_matrix": [
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{
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"wikidata": "Q941600",
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"binomial": "Gaultheria shallon",
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"common": "Salal",
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"family": "Ericaceae",
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"light_requirement": "partial_shade",
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"ph_tolerance": {
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"optimal_min": 4.5,
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"optimal_max": 6.0,
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"tolerance_range": [3.8, 7.2]
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},
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"hardiness_zone": "7b",
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"growth_form": "evergreen_shrub",
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"height_cm": 120,
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"spread_cm": 180,
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"maintenance_level": "low",
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"invasive_risk": false,
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"functional_traits": ["ground_cover", "erosion_control", "wildlife_food"],
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"establishment_notes": "Thrives under hemlock canopy; tolerates compacted till"
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},
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{
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"wikidata": "Q2273822",
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"binomial": "Polystichum munitum",
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"common": "Western Sword Fern",
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"family": "Dryopteridaceae",
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"light_requirement": "deep_shade",
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"ph_tolerance": {
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"optimal_min": 4.0,
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"optimal_max": 6.5,
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"tolerance_range": [3.5, 7.5]
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},
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"hardiness_zone": "7b",
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"growth_form": "perennial_fern",
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"height_cm": 90,
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"spread_cm": 75,
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"maintenance_level": "zero",
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"invasive_risk": false,
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"functional_traits": ["moisture_retention", "microhabitat_structure"],
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"establishment_notes": "Dominant dry-firm shade species; forms dense mats"
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},
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{
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"wikidata": "Q114823",
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"binomial": "Rhododendron macrophyllum",
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"common": "Pacific Rhododendron",
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"family": "Ericaceae",
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"light_requirement": "filtered_light",
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"ph_tolerance": {
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"optimal_min": 4.5,
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"optimal_max": 5.8,
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"tolerance_range": [3.5, 6.5]
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},
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"hardiness_zone": "7b",
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"growth_form": "evergreen_shrub",
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"height_cm": 300,
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"spread_cm": 250,
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"maintenance_level": "low",
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"invasive_risk": false,
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"functional_traits": ["visual_screen", "pollinator_support"],
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"establishment_notes": "Requires organic mulch; avoid lime amendments"
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},
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{
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"wikidata": "Q189319",
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"binomial": "Vaccinium ovatum",
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"common": "Evergreen Huckleberry",
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"family": "Ericaceae",
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"light_requirement": "partial_shade",
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"ph_tolerance": {
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"optimal_min": 4.8,
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"optimal_max": 6.0,
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"tolerance_range": [4.0, 6.8]
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},
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"hardiness_zone": "7b",
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"growth_form": "deciduous_shrub",
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"height_cm": 200,
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"spread_cm": 200,
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"maintenance_level": "low",
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"invasive_risk": false,
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"functional_traits": ["food_production", "cover_crop"],
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"establishment_notes": "Native berry crop; no pruning required"
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}
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]
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}
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