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Data Analyses SummariesDRAFT

Invasive Species

Which invasive species are the most widespread and abundant?

  1. Rubus discolor, 1020 acres
  2. Hedera helix, 718 acres
  3. Cytisus scoparius, 118 acres
  4. Ilex aquifolium, 75 acres
  5. Clematis vitalba, 73 acres
  6. Convolvulus arvensis, 63 acres
  7. Prunus laurocerasus, 60 acres
  8. Phalaris arundinacea, 51 acres
  9. Polygonum cuspidatum, 25 acres
  10. Lythrum salicaria, 11 acres

Which habitat types have the most acres of invasive species?

  1. DeciduousForest, 1160 acres
  2. Shrubland, 306 acres
  3. ConiferDeciduousMixedForest, 150 acres
  4. ConiferForest, 139 acres
  5. Tree Savannah, 93 acres
  6. Landscaped Forest, 60 acres
  7. Palustrine Scrub-Shrub Wetland, 48 acres
  8. Palustrine Forested Wetland, 41 acres
  9. DeciduousBroadleafEvergreenMixedForest, 32 acres
  10. Heavy Development, 26 acres

Which habitat types are most invaded?

  1. Shrubland, 83% of 306 acres are invaded
  2. ConiferBroadleafEvergreenMixedForest, 72% of 15 acres are invaded
  3. Tree Savannah, 66% of 93 acres are invaded
  4. DeciduousBroadleafEvergreenMixedForest, 62% of 32 acres are invaded
  5. DeciduousForest, 61% of 1160 acres are invaded
  6. Palustrine Forested Wetland, 51% of 41 acres are invaded
  7. Palustrine Scrub-Shrub Wetland, 46% of 48 acres are invaded
  8. Landscaped Shrubland, 45% of 27 acres are invaded
  9. ConiferForest, 43% of 139 acres are invaded
  10. ConiferDeciduousMixedForest, 40% of 150 acres are invaded

Which parks with >5 acres area are >50% invaded?

  1. SeattlePreparatory School
  2. Magnolia Greenbelt
  3. NE Queen Anne Greenbelt
  4. St. Mark’s Greenbelt
  5. Me KwaMooksPark
  6. East DuwamishGreenbelt
  7. KelloggIsland
  8. Madrona Greenspace
  9. SeattleTennisCenter
  10. SouthPark Greenspace
  11. Lake Washington Boulevard
  12. Cheasty Greenspace
  13. West Seattle Greenspace
  14. NorthBeach Greenspace
  15. KinnearPark
  16. Thornton Creek Greenspace
  17. InterlakenPark
  18. MapleSchool Ravine
  19. LakesideSchool
  20. SeolaPark
  21. Burke-Gilman Trail
  22. Duwamish Head Greenbelt
  23. MadronaPark
  24. Longfellow Creek Greenspace

Species Richness

Which parks have the most native species?

  1. University of Washington, 86 species
  2. CarkeekPark, 73 species
  3. DiscoveryPark, 66 species
  4. Thornton Creek Greenspace, 63 species
  5. RavennaPark, 60 species
  6. SchmitzPark, 59 species
  7. West Duwamish Greenbelt, 59 species
  8. Burke-Gilman Trail, 57 species
  9. Jackson Park Golf Course, 56 species
  10. Lincoln Park, 54 species

Which particular polygons have got the highest number of native species?

  1. KubotaGardensPark, kugapk_003-01, has 36 species
  2. SchmitzPark, schmpk_014-00, has 33 species
  3. CarkeekPark, carpk_056-01, has 32 species
  4. CarkeekPark, carpk_087-00, has 32 species
  5. CarkeekParkcarpk_040-01 has 31 species
  6. Lincoln Park lincpk_041-00 has 30 species
  7. FauntleroyPark faunpk_023-00 has 28 species
  8. Duwamish Head Greenbelt duhegs_044-02 has 28 species
  9. LawtonPark and Playfield lawtpk_ 005-02 has 27 species
  10. North Beach Greenspace nobegs_001-02 has 27 species

Which habitat type has the greatest number of native species?

  1. DeciduousForest 92 species
  2. ConiferDeciduousMixedForest, 80 species
  3. ConiferForest, 78 species
  4. Palustrine Forested Wetland, 69 species
  5. Shrubland, 67 species
  6. Palustrine scrub-shrub wetland, 69 species
  7. Landscaped Forest, 64 species
  8. RiparianForest, 63 species
  9. Light Development, 59 species
  10. Landscaped Grassland, 53 species

What is the range of species richness among habitats, within individual polygons?

  1. A species-rich polygon of DeciduousForesthas 28 native species, while a species-poor polygon of DeciduousForest has 1 native species.
  1. A species-rich polygon of ConiferDeciduousMixedForesthas 32 native species while a species-poor polygon of ConiferDeciduousMixedForest has 1 native species.
  1. A species-rich polygon of ConiferForesthas 33 native species while a species-poor polygon of ConiferForest has 1 native species.

Which habitats have the highest native species cover?

  1. ConiferForest 229% of 323 acres is native cover
  2. Broadleaf EvergreenForest 181% of 25 acres is native cover
  3. ConiferBroadleafEvergreenMixedForest 177% of 22 acres is native cover
  4. ConiferDeciduousMixedForest 172% of 371 acres is native cover
  5. RiparianForest 162% of 24 acres is native cover
  6. DeciduousBroadleafEvergreenMixedForest 158% of 51 acres is native cover
  7. DeciduousForest 158% of 1893 acres is native cover
  8. Palustrine Forested Wetland 139% of 80 acres is native cover
  9. Riverine Unconsolidated Substrate 67% of 9 acres is native cover
  10. Palustrine Emergent Wetland 57% of 44 acres is native cover

C:\Documents and Settings\sunp\My Documents\Matthew's Documents\SUNP Data analysis\Data Analyses Summaries.doc

Created on 5/24/2004 8:19 AM