Question

Review the following dialogue from an environmental broadcast where journalist Beatriz Ramos interviews marine biologist Dr. Santiago Morales regarding the conservation of Posidonia oceanica seagrass meadows:

Beatriz Ramos: "Welcome, listeners. Over the last three decades, expanding coastal infrastructure and unmonitored recreational boat anchoring have destroyed extensive meadows of Posidonia oceanica across the western Mediterranean, leading to severe coastal erosion and steep declines in marine biodiversity. Dr. Morales, could you outline the fundamental scope of this crisis?"

Dr. Santiago Morales: "Thank you, Beatriz. Posidonia is not a simple seaweed; it is an ancient flowering marine plant that forms vital underwater ecosystems and captures carbon up to thirty times faster than tropical forests. Because a damaged meadow requires centuries to regenerate spontaneously, our research group engineered biodegradable jute-fiber anchor mats. By securing nursery-grown shoots directly onto barren areas of the seabed, these mats stabilize moving sediment and permit root development before the organic structure decomposes safely."

Beatriz Ramos: "That is a promising technological achievement, but is active replanting on its own sufficient to secure the future of these habitats?"

Dr. Santiago Morales: "Replanting represents only one pillar of an effective strategy. Without mandatory nautical zoning, GPS-monitored anchor prohibitions, and sustained outreach to local maritime tourism and diving operators, newly planted areas will quickly be uprooted. Long-term recovery demands committed civic stewardship paired with rigorous legal regulation."

Based on the interview dialogue, match each speaker's contribution with its primary communicative purpose.