Slain marine scientist testified for PH in South China Sea arbitration

By Felipe F. Salvosa II

Negros Island Region Police Photo

American marine biologist Kent Edward Carpenter, who was shot dead inside his home in Negros Oriental over the weekend, was one of the scientific experts whose testimony helped underpin the Philippines’s successful legal challenge against China’s expansive claims in the South China Sea.

What happened: Carpenter, 73, was killed after three unidentified men entered his residence in Barangay Ajong, Sibulan, on the night of July 12. 

  • Police said one of the suspects shot him in the head before the group fled. His companion was unharmed. 
  • Authorities have launched a manhunt, and no suspects or motive have been announced.

Why he mattered: Beyond his standing as a marine biodiversity expert, Carpenter played a direct role in the Manila’s 2016 legal victory.

Loss to PH: Professor Jay Batongbacal, director of the UP institute, said Carpenter had a “long history with the Philippines, the Philippine scientific community, and marine conservation programs and projects in the country.”

  • “Kent was one of the Philippines’ scientific experts who gave testimony about the destructive fishing activities of Chinese fishers in the West Philippine Sea,” Batongbacal said on his Facebook page.
  • Andre del Rosario, executive director of the Center for Information Resilience and Integrity Studies (CIRIS), told PressOne.PH Carpenter “chose to put his expertise at the service of a country that wasn’t his.”
  • “In return, we Filipinos now have a final and binding ruling that recognizes both our maritime rights over the West Philippine Sea and the harm done to our shared seas. It’s a quiet kind of service, but it will matter for a long time,” del Rosario said.

His evidence: Carpenter’s reports documented the harvesting of endangered marine species by Chinese fishermen, the destruction of coral reefs caused by dredging and artificial island-building, and the large-scale extraction of giant clams in disputed waters.

  • The tribunal later cited environmental damage in finding that China had violated several provisions of the UN Convention on the Law of the Sea or Unclos.
  • The report also notes that Carpenter’s application of IUCN Red List classifications in the proceedings marks the first use of those conservation criteria as evidence in an international arbitration case.

The scientist: Carpenter was professor emeritus of biological sciences at Old Dominion University and an internationally recognized authority on marine biodiversity. 

  • His research identified the central Philippines, particularly the Verde Island Passage, as the global “Center of the Center” of marine shore fish biodiversity.
  • He had conducted research in the Philippines for decades, including work Fulbright fellowship work and more recent studies comparing historical and present-day fish populations.

The bottom line: Carpenter leaves behind a scientific legacy that went beyond academia and into international law. 

  • His work became part of the evidentiary record supporting the landmark 2016 arbitral award in favor of the Philippines.
  • Authorities have not identified those responsible for his killing, and the investigation remains ongoing.
  • “For this to happen on the evening of the 10th anniversary of the arbitration he helped the country win is just shocking. Whoever the perpetrators are, they must be brought to justice,” UP’s Batongbacal said.

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