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Concerning invasive species: Reply to Brown and Sax
Author(s) -
CASSEY PHILLIP,
BLACKBURN TIM M.,
DUNCAN RICHARD P.,
CHOWN STEVEN L.
Publication year - 2005
Publication title -
austral ecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.688
H-Index - 87
eISSN - 1442-9993
pISSN - 1442-9985
DOI - 10.1111/j.1442-9993.2005.01505.x
Subject(s) - agency (philosophy) , ecology , invasive species , position (finance) , colonization , geography , biology , environmental ethics , sociology , business , social science , philosophy , finance
Abstract Biological invasions have commonly occurred, and to a lesser degree continue to do so, without human assistance. It is, however, a combination of the rate and magnitude, as well as the distances and agency involved, that separates human‐driven invasion processes from self‐perpetuated colonization events. Exotic species are a pervasive and major component of human‐induced global change. Decisions to manage invasive species will require judgements to be communicated from scientists to policy makers, because scientists may often be the only ones in the position to make them.