Assertion: oil spill | /r/MadeOf | huge marine kelp forests
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Source sentences:
text: WWF Rob Zuur explains "it would take years to know the full impact of the oil spill on the Bay of Plenty’s ecosystem, which also contains huge marine kelp forests and is home to a large fishing industry".  
text: WWF Rob Zuur explains "it would take years to know the full impact of the oil spill on the Bay of Plenty’s ecosystem, which also contains huge marine kelp forests and is home to a large fishing industry".