Massasauga (Sistrurus catenatus): recovery strategy, tables

Table 2a. Threats to Massasauga Recovery
Threat Level of Concern Extent Occurrence Frequency Severity Causal Certainty
Habitat loss and degradation
Development
- roads
High Widespread Current Continuous High High
Development
- other than roads (e.g. housing, golf courses, agriculture)
High Widespread Historic and Current Continuous High High
Peat Extraction High Localized Historic Continuous High High
Mineral Extraction High Localized Historic and Current Continuous High High
Forest Management Medium Historically widespread, currently localized Historic and Current Continuous Unknown Low
Table 2b. Threats to Massasauga Recovery
Threat Level of Concern Extent Occurrence Frequency Severity Causal Certainty
Disturbance or Persecution
Discriminate Killing Medium High Widespread Historic and Current Seasonal Historically High, Currently Medium High
Recreational Vehicle Use Medium Widespread Historic and Current Continuous Unknown Low
Table 2c. Threats to Massasauga Recovery
Threat Level of Concern Extent Occurrence Frequency Severity Causal Certainty
Consumptive Use
Pet Trade Low (high for Wainfleet and Ojibway populations) Widespread Historic and Current Seasonal Low - Medium Low - Medium
Table 2d. Threats to Massasauga Recovery
Threat Level of Concern Extent Occurrence Frequency Severity Causal Certainty
 
Natural Processes or Activities
Small Population Size Unknown Localized Current Continuous Unknown Medium

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