Assertion: african clawed frog | /r/HasProperty | extirpated on ascension island
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Source sentences:
text: African Clawed Frogs are established in the United Kingdom but might be extirpated on Ascension Island (Arnold, 1995; Tinsley and McCoid, 1996; Measey, 1998a, 2001; Measey and Tinsley, 1998; Arnold and Ovenden, 2002; Kraus, 2009; Measey et al., 2012; Tinsley et al., 2011a, 2011b, 2012), and in Chile they are an established, highly invasive species (Tinsley and McCoid, 1996; Jaksic, 1998; Lobos and Garín, 2002; Lobos and Measey, 2002; Lobos and Jaksic, 2005; Kraus, 2009; Measey et al., 2012).