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You are here >1Up Info > Wildlife, Animals, and Plants > Plant Species > Shrub > Species: Salix arbusculoides | Littletree Willow
 

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FIRE EFFECTS

SPECIES: Salix arbusculoides | Littletree Willow
IMMEDIATE FIRE EFFECT ON PLANT : Fire will kill aboveground parts of littletree willow. High-severity fires that remove the soil organic layers can destroy the basal sprouting ability of this species [24]. DISCUSSION AND QUALIFICATION OF FIRE EFFECT : NO-ENTRY PLANT RESPONSE TO FIRE : Littletree willow is one of the most common willows on recent burns in interior Alaska [36]. Invasion by willows after fire depends on the season and severity of fire, weather, and presence of a mineral soil seedbed [38]. In young black spruce stands originating following fire, littletree willow regenerated at about 4,000 to 5,000 stems per acre (9,880-12,350 stems/ha) [27]. The chance of littletree willow establishing years after a fire lessens as the available mineral soil seedbed sites are occupied by the faster growing herbaceous species or mosses [38]. Littletree willow is the dominant species following fire in black spruce communities for 6 to 25 years [38]. DISCUSSION AND QUALIFICATION OF PLANT RESPONSE : Fire severity can affect willow postfire recovery. High-severity fires can damage the roots and rhizomes to the point of no recovery [38]. Following low-severity fires most willows will recover quickly due to the ability of the root crown to send up new roots. Severe fires that destroy the organic soil layer kill willows but can expose the mineral soil necessary for seed propagation [24,38]. FIRE MANAGEMENT CONSIDERATIONS : Prescribed fire is a common wildlife management tool used to rejuvenate decadent littltree willow communities. Fires increase food for herbivores dependent on browse plants. Browse plants such as littletree willow and other willows proliferate in early postfire seres [23,36].

Related categories for Species: Salix arbusculoides | Littletree Willow

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Information Courtesy: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory. Fire Effects Information System

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