英国哥伦比亚的弗雷兹河在上游水流湍急，但穿过连绵的山脉，分成了几条水流平稳的小河，蜿蜒地穿过平坦的三角洲农田。在河南岸，距海大约40英里（64.36km）的地方，坐落着阿伯茨福德城，一座人口10万并且迅速增长着的城市。随着城内农业的不断发展，穿城而过的网鱼河的水流量 The Frazier River in British Columbia, at the upper reaches of the rapid flow of water, but through the rolling mountains, divided into several smooth water stream, meandering through the flat delta farmland. On the banks of the river, about 40 miles (64.36 km) from the sea, lies Abbotsford, a city of 100,000 population and growing rapidly. With the continuous development of agriculture in the city, the water flow through the city’s fishing net