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

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

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2018-01-02