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Eucalyptus saligna

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					       Eucalyptus saligna (sydney blue gum, blue gum)                             Answer     Score
1.01   Is the species highly domesticated?                                            n        0
1.02   Has the species become naturalized where grown?                                y
1.03   Does the species have weedy races?                                             n
2.01   Species suited to tropical or subtropical climate(s) (0-low; 1-intermediate; 2-high) – If island is primarily wet habitat, then substitute “w
                                                                                      2
2.02   Quality of climate match data (0-low; 1-intermediate; 2-high)                  2
                                                                                     see appendix 2
2.03   Broad climate suitability (environmental versatility)                          y        1
2.04   Native or naturalized in regions with tropical or subtropical climates         y        1
2.05                                                                                  y
       Does the species have a history of repeated introductions outside its natural range? y=-2
3.01   Naturalized beyond native range                                                y
                                                y = 1*multiplier (see Append 2), n= question22.05
3.02   Garden/amenity/disturbance weed                                                n
                                                                 y = 1*multiplier (see Append 02)
3.03   Agricultural/forestry/horticultural weed                                       n        2)
                                                                  y = 2*multiplier (see Append 0
3.04   Environmental weed                                                             n
                                                                  y = 2*multiplier (see Append0 2)
3.05   Congeneric weed                                                                y
                                                                  y = 1*multiplier (see Append22)
4.01   Produces spines, thorns or burrs                                               n        0
4.02   Allelopathic                                                                   y        1
4.03   Parasitic                                                                      n        0
4.04   Unpalatable to grazing animals                                                 n       -1
4.05   Toxic to animals                                                               n        0
4.06   Host for recognized pests and pathogens                                        n        0
4.07   Causes allergies or is otherwise toxic to humans                               n        0
4.08   Creates a fire hazard in natural ecosystems                                    n        0
4.09   Is a shade tolerant plant at some stage of its life cycle                      n        0
 4.1                                                                                  y        1
       Tolerates a wide range of soil conditions (or limestone conditions if not a volcanic island)
4.11   Climbing or smothering growth habit                                            n        0
4.12   Forms dense thickets                                                           n        0
5.01   Aquatic                                                                        n        0
5.02   Grass                                                                          n        0
5.03   Nitrogen fixing woody plant                                                    n        0
5.04                                                                                  n
       Geophyte (herbaceous with underground storage organs -- bulbs, corms, or tubers)        0
6.01   Evidence of substantial reproductive failure in native habitat                 n        0
6.02   Produces viable seed.                                                          y        1
6.03   Hybridizes naturally                                                           y        1
6.04   Self-compatible or apomictic                                                   y        1
6.05   Requires specialist pollinators                                                n        0
6.06   Reproduction by vegetative fragmentation                                       n       -1
6.07   Minimum generative time (years)                                                4+
                                                      1 year = 1, 2 or 3 years = 0,3 years = -10
7.01                                                                                  n       -1
       Propagules likely to be dispersed unintentionally (plants growing in heavily trafficked areas)
7.02   Propagules dispersed intentionally by people                                   y        1
7.03   Propagules likely to disperse as a produce contaminant                         n       -1
7.04   Propagules adapted to wind dispersal                                           y        1
7.05   Propagules water dispersed                                                     n       -1
7.06   Propagules bird dispersed                                                      n       -1
7.07   Propagules dispersed by other animals (externally)                             n       -1
7.08   Propagules survive passage through the gut                                     n       -1
8.01   Prolific seed production (>1000/m2)                                            y        1
8.02   Evidence that a persistent propagule bank is formed (>1 yr)
8.03   Well controlled by herbicides
8.04   Tolerates, or benefits from, mutilation, cultivation, or fire                  y        1
8.05   Effective natural enemies present locally (e.g. introduced biocontrol agents)
       Total score:                                                                            7
               Notes                           Reference
No evidence.                       (1)Wagner, W. L., Herbst, D. R.
                                   and Sohmer, S H. Manual
(1)Naturalized in Hawaii. (2)Naturalzied in New Zealand. of
(1)'List of countries with natural
No evidence
populations -Oceania, natural (1)CAB International, 2000. Forestry Compendium Global Module. Wallingford, UK: CAB In
(1)'List of countries with
populations -Oceania,
  - Altitude range: 0 - 2100 m     (1)CAB International, 2000. Forestry Compendium Global Module. Wallingford, UK: CAB In
List of countries rainfall: 700 - CAB International, 2000. Forestry Compendium Global Module. Wallingford, UK: CAB Inte
  - Mean annual with natural
populations -Oceania, natural CAB International, 2000. Forestry Compendium Global Module. Wallingford, UK: CAB Inte
(1)'List of countries with
populations -Oceania,              (1)CAB International, D. R.
                                   (1)Wagner, W. L., Herbst,2000. Forestry Compendium Global Module. Wallingford, UK: CAB In
                                   and Sohmer, S H. Manual
(1)Naturalized in Hawaii. (2)Naturalzied in New Zealand. of
No evidence.
No evidence.
No evidence
                                    as electronic Atlas of Weeds and Invasive Species. CD ROM version 1. as principal on the original work
Severa Eucalyptus species such An E. populnea,E. pilularis, E. ferruginear and E. cambageana are listed1997. Based weeds in Australia.
No evidence of such structures. (1)CAB International, 2000. Forestry Compendium Global Module. Wallingford, UK: CAB In
(1)Allelopathic. (2)Abstract: The(1)http://plants.nrcs.usda.go
                                    potential allelopathic effect of Cupressus lusitanica, Eucalyptus globulus, E. camaldulensis and E. saligna
No evidence
Low palatability to browse animals.http://plants.nrcs.usda.gov/c
 'Pests recorded
No toxicity.                       http://plants.nrcs.usda.gov/cgi_bin/topics.cgi?earl=plant_attribute.cgi&symbol=EUSA
Insect pests:                      CAB International, 2000. Forestry Compendium Global Module. Wallingford, UK: CAB Inte
No evidence
                                   (1)CAB International, 2000. older trees their basal stocking of Module. Wallingford, UK: CAB In
(1) ' Young stands are moderately sensitive to fire damage, but in Forestry Compendium Global fibrous bark gives some protection from
 'It is a lignotuberous species of http://www.na.fs.fed.us/pubs/silvics_manual/volume_2/eucalyptus/saligna.htm
 Saligna eucalyptus is classed as very intolerant of shade and the slower growing trees in a stand quickly become suppressed.
good coppicing ability and will CAB International, 2000. Forestry Compendium Global Module. Wallingford, UK: CAB Inte
No evidence
No evidence
                                   CAB in height with a dbh up to 2 m.'
 'A medium to tall tree, usually 30-55 mInternational, 2000. Forestry Compendium Global Module. Wallingford, UK: CAB Inte
                                   CAB in height with a dbh up to 2 m.'
 'A medium to tall tree, usually 30-55 mInternational, 2000. Forestry Compendium Global Module. Wallingford, UK: CAB Inte
No evidence.                       http://plants.nrcs.usda.gov/cgi_bin/topics.cgi?earl=plant_attribute.cgi&symbol=EUSA
                                   CAB in height with a dbh up to 2 m.'
 'A medium to tall tree, usually 30-55 mInternational, 2000. Forestry Compendium Global Module. Wallingford, UK: CAB Inte
                                   CAB bears heavy seed crops only every 2-3 years.'
 'E. saligna is habitat, E saligna usuallyInternational, 2000. Forestry Compendium Global Module. Wallingford, UK: CAB Inte
 'In its natural easily raised
from seed in the nursery. '        CAB International, 2000. Forestry Compendium Global Module. Wallingford, UK: CAB Inte
                                   (1)CAB International, 2000. is as a parent in hybrid combinations that are adaptable and exhibit heter
(1) 'Most current interest in the species in countries such as BrazilForestry Compendium Global Module. Wallingford, UK: CAB In
                                   (1)CAB International, 2000. Forestry Compendium Global Module. Wallingford, UK: CAB In
(1) 'Eucalypts have hermaphrodite, protandrous flowers and are pollinated by insects or birds (Griffin, 1989). They reproduce by a mixed ma
                                   http://www.na.fs.fed.us/pubs/silvics_manual/volume_2/eucalyptus/saligna.htm
  The opened flowers are yellowish white and are insect pollinated.
No evidence regarding vegetative spread in the wild.
 'Saligna eucalyptus trees begin http://www.na.fs.fed.us/pubs/silvics_manual/volume_2/eucalyptus/saligna.htm
                                   to flower at 3 to 4 years of age.'
                                   CAB International, 2000. Forestry Compendium Global areas.
Although the species makes a fine avenue tree (1), no evidence that it grows in heavilty traffickedModule. Wallingford, UK: CAB Inte
                                   CAB International, 2000. Forestry Compendium use in Module. Wallingford, UK: CAB Inte
 'E. saligna is a reasonably fast-growing hardwood species that gives a wood suitable forGlobalgeneral construction, joinery, decking, deco
                                   CAB International, 2000. to produce plants.
Probably not - no evidence that the species grows in proximityForestry Compendium Global Module. Wallingford, UK: CAB Inte
                                   http://www.na.fs.fed.us/pubs/silvics_manual/volume_2/eucalyptus/saligna.htm
 'Seeds are naturally dispersed by wind.'

                                   CAB International, 2000. Forestry Compendium Global Module. valves 3 or 4, UK: CAB Inte
 'The fruit are woody capsules, shortly stalked or almost sessile, obconical to slightly pyriform, to 8 P 7 mm; Wallingford,erect with thin poi
No evidence that the propaguleshttp://www.na.fs.fed.us/pubs/silvics_manual/volume_2/eucalyptus/saligna.htm
                                    have any means of attachment.
No evidence of ingestion.
                                   (1)http://www.na.fs.fed.us/p
(1) 'Seeds are black, irregularly shaped, and about 1.3 mm (0.05 in) in diameter. They are released along with a large amount of reddish-bro
                                   (1)CAB International, 2000. Forestry in the refrigerator (3-5°C) will be maintained for several years. N
(1)'Viability of seed stored dry (5-8% moisture content) in airtight containers Compendium Global Module. Wallingford, UK: CAB In
Don’t know. No evidence that the species is being controlled for.
                                   (1)CAB International, 2000. older trees their basal stocking of Module. Wallingford, UK: CAB In
(1) ' Young stands are moderately sensitive to fire damage, but in Forestry Compendium Global fibrous bark gives some protection from
Don’t know.
Module. Wallingford, UK: CAB International. (2)http://www.na.fs.fed.us/pubs/silvics_manual/volume_2/eucalyptus/saligna.htm
Module. Wallingford, UK: CAB International. (2)http://www.na.fs.fed.us/pubs/silvics_manual/volume_2/eucalyptus/saligna.htm
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n 1. 1997. Based on the original work 'A Geographical Atlas of Weeds' by Holm et al.
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Module. Wallingford, UK: CAB International. (2)http://www.na.fs.fed.us/pubs/silvics_manual/volume_2/eucalyptus/saligna.htm
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