Page 64 - Skd 203-2545-01

Story : JakkapanKangwan/ Photos

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f'" -.'\ alienspecies'ele . .o (Lo5e| . q orqd
I ' r s o o h p l : r l a n o a ' _ 1 d_ o o 1 q r c l , o r d
an ecosystem.Pantsand animalsthal havemigrated,
Ior instancew, th the assstanceof alrpanes,people,
etc.,fromoneenvronmentio an entrelynewenvron
mentnol prevousycontan ng theirk nd. are cons
deredaien speces. Howeverp, aits and anmas
that have mgrated wth the assstanceoi mlgratory
birdsa, renotconsdereda ien,as theirarrva and/or
departures accomplshedihroughnatura means.
Certainy, one can makelhe argumenht at the move
mentol plantsand anmalslsef is naluralb, y whaiever
means,and the receivingenvironmensthoud be able
to adjustaccordingy towardstheirfavorabe incusion.
Butit s thespeedat whch thatmovementtakesp ace
thai d stinguishesbetlveenharmess and detrirnenta.

The movemenot f pLantsand anmas and the
subsequentadlustmento the newcornersthat musl
take place s a processthal s successtL that is,
maintainsa healthyand baancedecosystem ony f

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