Abstract
The boreal felt lichen (Erioderma pedicellatum (Hue) P.M. Jørg.) is globally critically endangered, being threatened by forestry operations, habitat disturbance, and air pollution. To determine if loss of habitat due to forestry activities has occurred in Nova Scotia, a predictive habitat model was built using historical data from 1988. Satellite data were used for the period between 1987 and 2005 to determine the amount of suitable habitat harvested during this period. Available habitat was modeled through time from 1988 to 2005 in which area harvested was subtracted and regeneration was added in 3- to 5-year time steps. The predicted suitable boreal felt lichen habitat area was then modeled from 2005 to 2055 using the same harvesting assumptions and modeling process, but using 10-year time steps. The results of the model indicated that there has been a loss of 2311 ha (11.5%) in the amount of predicted suitable boreal felt lichen habitat between 1988 and 2005. A forward-projected drop is predicted between 2005 and 2055 that will amount to 4499 ha (25.4%), assuming no change in forest harvesting. Protection of unoccupied habitat surrounding existing boreal felt is recommended.
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Claims 3
Claim · model-written summary
Predicted suitable boreal felt lichen habitat declined by 2311 ha (11.5%) between 1988 and 2005.
- Taxon
- Erioderma pedicellatum
Erioderma pedicellatumt0 - Outcome
- predicted suitable boreal felt lichen habitate0
- Direction
- losse0
- Value
- 2311 ha (11.5%)e0
- Qualifier
- between 1988 and 2005e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Erioderma pedicellatum”
e0“The results of the model indicated that there has been a loss of 2311 ha (11.5%) in the amount of predicted suitable boreal felt lichen habitat between 1988 and 2005.”
Claim · model-written summary
Suitable habitat is projected to fall by 4499 ha (25.4%) from 2005 to 2055 if harvesting is unchanged.
- Taxon
- Erioderma pedicellatumErioderma pedicellatumt0
- Outcome
- forward-projected drope0
- Direction
- drope0
- Value
- 4499 ha (25.4%)e0
- Qualifier
- assuming no change in forest harvestinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Erioderma pedicellatum”
e0“A forward-projected drop is predicted between 2005 and 2055 that will amount to 4499 ha (25.4%), assuming no change in forest harvesting.”
Claim · model-written summary
The authors recommend protecting unoccupied habitat around existing boreal felt lichen.
- Taxon
- Erioderma pedicellatumErioderma pedicellatumt0
- Outcome
- Protection of unoccupied habitat surrounding existing boreal felte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Erioderma pedicellatum”
e0“Protection of unoccupied habitat surrounding existing boreal felt is recommended.”