论文部分内容阅读
此项研究方法是乘用福建省海洋渔业公司“闽渔油3号”轮、“闽渔油2号”轮从闽江口出发,通过马祖岛达东海,沿福建、浙江、上海海岸线方向来回于120～122°E,25～31°N航行。单程一次897公里,在海上共逗留7、8个昼夜。油轮距海岸线最近点为12.6公里,最远点为109公里。油轮驾驶台上方,离海平面10多米的高处安装有2个(以后又增加一个)尼龙网。网架用1.5厘米粗的钢筋制成,网的直径为1.2米(其中一个为1.5米),网深为1.5米(其中一个网深为2.0米)网目为30～32目,网中轴长为3米,网定在轴上可以迎风转动。白天定每隔一小时观察一次,测定风向与风速(包括船速)晚间从21时开始改为每4小时观察一次至凌晨4时止。每晨昏巡视甲板一次,船抛锚时也以同样方法观察。每当网捕到褐飞虱都对船身进行定位。
The research method is to take “Fujian Minyou No.3” round of marine fishery company of Fujian Province and “Minyouyou No.2” round from the mouth of Minjiang River, pass the east coast of Matsu Island, and follow the coastline of Fujian, Zhejiang and Shanghai Sail at 120-122 ° E, 25-31 ° N. One-way once 897 kilometers, a total of 7,8 days and nights stay at sea. The nearest point of the tanker to the shoreline is 12.6 kilometers and the furthest point is 109 kilometers. Above the tanker bridge, two (and later one more) nylon nets were installed at a height of more than 10 meters from the sea level. Net with 1.5 cm thick steel bars, the diameter of the network is 1.2 meters (one of 1.5 meters), the net depth of 1.5 meters (one of the net depth of 2.0 meters) mesh 30 to 32 mesh, mesh axis Length of 3 meters, the net can be set in the shaft upwind rotation. Observed every other hour during the day, measured wind direction and wind speed (including the speed of the ship) from 21 o’clock at night began to change every 4 hours until 4 am. Each morning faint patrol deck, the ship broke down in the same way to observe. When the net catch of BPH are positioned on the hull.