Core Insights - The "Jiaolong" manned submersible successfully completed over 10 deep dives in the Arctic, collecting high-quality deep-sea biological samples and exploring new methods for deep-sea biodiversity research [2][4][5] Group 1: Mission Overview - The Arctic mission is part of China's 15th Arctic Ocean scientific expedition and the primary task of the first segment of the 92nd ocean voyage [4] - The mission utilized a collaborative operation model involving the "Jiaolong" submersible and ROVs (remotely operated vehicles) under the support of the "Xuelong 2" icebreaker [5] Group 2: Sample Collection and Findings - The "Jiaolong" submersible collected a variety of samples, including rocks, sediments, and seawater, as well as biological samples such as sea cucumbers, sea anemones, and sea spiders [6] - The high-quality biological samples collected contribute to China's polar specimen resource sharing platform and facilitate future morphological identification and scientific research [6] Group 3: Biodiversity Insights - The Arctic deep-sea environment exhibited unique characteristics, with a high density of benthic organisms, smaller individual sizes, and greater biodiversity compared to the Pacific, Indian, and Atlantic Oceans [10] - The investigation revealed significant spatial differences in benthic biological density and community composition across different geological environments [12] Group 4: Technological Innovations - A notable innovation in this Arctic biological survey was the implementation of AI-based identification technology for in-situ detection of deep-sea organisms, enhancing traditional survey methods [12] - The mission also marked the first underwater collaborative operation between a manned submersible and an unmanned submersible, capturing valuable video footage of deep-sea life [12]