在此季节 meaning in Chinese

at this season

This condition is also true for e2 but inversely for e6 , p2 and p1 station which declined about 10 times compared with data of last autumn . prochlorococcuswas found in p3 , e7 , e6 , p2 during autumn cruise , and in p2 , p1 during spring cruise
在春季，仅在p2 、 p1站的混合层检测到，位置相比秋季外移，可能与长江冲淡水在此季节逐渐强盛有关，原绿球藻较少分布于低盐度水体。