Penguin Population Response - Ngā Pae o te Māramatanga

1RWH7KH6$0LVDULQJRIFOLPDWHYDULDELOLW\WKDWHQFLUFOHVWKH6RXWK3ROHDQGH[WHQGVRXWWRWKHODWLWXGHVRI1HZ=HDODQG7KH6$0LQYROYHVDOWHUQDWLQJFKDQJHVLQZLQGLQHVVDQGVWRUPDFWLYLW\EHWZHHQWKHPLGGOHODWLWXGHVZKHUH1HZ=HDODQGOLHVƒ6DQGKLJKHUODWLWXGHVRYHUWKHVRXWKHUQRFHDQVDQG$QWDUFWLFVHDLFH]RQHƒ6,QLWVSRVLWLYHSKDVHWKH6$0LVDVVRFLDWHGZLWKUHODWLYHO\OLJKWZLQGVDQGPRUHVHWWOHGZHDWKHURYHU1HZ=HDODQGODWLWXGHVWRJHWKHUZLWKHQKDQFHGZHVWHUO\ZLQGVRYHUWKHVRXWKHUQRFHDQV,QWKHRSSRVLWHQHJDWLYHSKDVHWKHZHVWHUOLHVLQFUHDVHRYHU1HZ=HDODQGZLWKPRUHXQVHWWOHGZHDWKHUZKLOHZLQGLQHVVDQGVWRUPDFWLYLW\HDVHRYHUWKHVRXWKHUQRFHDQV7KHVHFDVHVWXGLHVDERYHDUHQRWLQFRPSDWLEOHZLWKRQHDQRWKHUDQGWRJHWKHUWHOOWKHVWRU\RIKRZ$GpOLHSHQJXLQVKDYHEHHQUHVSRQGLQJWRFOLPDWLFSKHQRPHQRQDQGVHDLFHYDULDWLRQLQDUHDVZKHUHWKHUHLVVWLOOSOHQW\RIVHDLFHLHHYHU\ZKHUHVXUURXQGLQJWKH$QWDUFWLFFRQWLQHQWH[FHSWWKHZHVWFRDVWRIWKH$QWDUFWLF3HQLQVXOD±)LJ7KHVHUHVXOWVDOVRGHPRQVWUDWHWKHULJKWKDQGVLGHRI)UDVHU7ULYHOSLHFHVRSWLPDOKDELWDWEHOOVKDSHGFXUYHVKRZLQJJURZWKLQ$Gp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