Tables: Tables: Recovery Strategy for the Massasauga (Sistrurus catenatus) in Canada [Final Version]

Table 2a. Threats to Massasauga Recovery
ThreatLevel of ConcernExtentOccurrenceFrequencySeverityCausal Certainty
Habitat loss and degradation
Development
- roads
HighWidespreadCurrentContinuousHighHigh
Development
- other than roads (e.g. housing, golf courses, agriculture)
HighWidespreadHistoric and CurrentContinuousHighHigh
Peat ExtractionHighLocalizedHistoricContinuousHighHigh
Mineral ExtractionHighLocalizedHistoric and CurrentContinuousHighHigh
Forest ManagementMediumHistorically widespread, currently localizedHistoric and CurrentContinuousUnknownLow
Table 2b. Threats to Massasauga Recovery
ThreatLevel of ConcernExtentOccurrenceFrequencySeverityCausal Certainty
Disturbance or Persecution
Discriminate KillingMedium HighWidespreadHistoric and CurrentSeasonalHistorically High, Currently MediumHigh
Recreational Vehicle UseMediumWidespreadHistoric and CurrentContinuousUnknownLow
Table 2c. Threats to Massasauga Recovery
ThreatLevel of ConcernExtentOccurrenceFrequencySeverityCausal Certainty
Consumptive Use
Pet TradeLow (high for Wainfleet and Ojibway populations)WidespreadHistoric and CurrentSeasonalLow - MediumLow - Medium
Table 2d. Threats to Massasauga Recovery
ThreatLevel of ConcernExtentOccurrenceFrequencySeverityCausal Certainty
 
Natural Processes or Activities
Small Population SizeUnknownLocalizedCurrentContinuousUnknownMedium

Source document: Recovery Strategy for the Massasauga (Sistrurus catenatus) in Canada [Final Version]