其中,北瓶鼻鯨於 1997 年被加拿大瀕危野生動植物狀況委員會(Committee on the Status of Endangered Wildlife in Canada)列為易危物種(Vulnerable)。然而,當時 Gully 地區正面臨石油和天然氣開發工程,導致當地鯨豚長期受到船隻撞擊及工程噪音傷害,使牠們生存遭受嚴重威脅。因此,加拿大政府於西元 2004 年設立 Gully 海洋保護區,以保護瀕臨滅絕的北瓶鼻鯨及當地其他珍貴的海洋生物。
此外,加拿大政府也將保護區依照水深劃分成三個管理區,如圖五中的 Zone 1、Zone 2 及 Zone 3。每個管理區有其獨特的生態環境,在管理上的限制也有些微差異,在 Zone 1,也就是鯨豚棲息的核心海域內,是完全禁止漁撈行為的,而在 Zone 2 和 Zone 3 則可進行商業性垂釣,可釣大比目魚、鮪魚、鯊魚和劍旗魚。
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