Group 1 - The peak season for catching mantis shrimp (locally known as "虾蛄") is during the lunar months of November and December, when the local sea water experiences significant tidal fluctuations, making it easier to catch them [3] - Winter mantis shrimp are considered the most delicious due to slower growth in cold water, resulting in firmer and more elastic meat, which is highly sought after in the market [5] - A portion of the mantis shrimp is sold fresh, while another part is processed into a unique dried product known as "虾蛄干" [5] Group 2 - In addition to Fujian, winter fishing activities are also taking place in Heilongjiang and Zhejiang, showcasing a lively atmosphere [10] - In Heilongjiang, over 20 fishermen successfully completed netting work on an ice surface at -20°C, with a 2000-meter-long net waiting to catch fish beneath the ice [10] - The traditional fishing method "抲冬塘" in Ningbo involves building ponds to trap fish and then fishing during winter, reflecting local cultural practices [14][16]

Group 1: Seafood Industry - The peak season for catching mantis shrimp (also known as "pi pi xia") is currently underway in Fuding City, Fujian Province, with local fishermen actively engaged in catching and processing these seafood products [1] - The annual catch of mantis shrimp from Yushan Island is approximately 1,000 tons, generating a market value of around 60 million yuan, while the production of dried mantis shrimp is about 20 tons, valued at approximately 4 million yuan [5] Group 2: Agricultural Products - In Chengwu County, Shandong, the sales of dried chili pepper strings are on the rise, serving both decorative and culinary purposes, which has positively impacted local farmers' income [4][7] - The simple weaving process of chili pepper strings provides flexible job opportunities for nearby villagers [7] Group 3: Seasonal Products - In Zhejiang, the market for New Year flowers has started to heat up ahead of the Spring Festival, with various festive decorations also being showcased [8] - Specialty New Year flowers, such as butterfly peonies and water-cultivated tulips, are gaining popularity, with sales figures indicating that thousands of pots have already been sold [10] Group 4: Food Industry - In Nanning, Guangxi, the cold weather has boosted the demand for hot pot ingredients, with supermarkets and fresh markets seeing a surge in sales of items like beef balls and lamb rolls [11][14]