Species abundance for the two sampling periods and results of McNemar’s test for population decline or expansion and paired t-tests of catch rate data (p-values).

Species abundance for the two sampling periods and results of McNemar’s test for population decline or expansion and paired t-tests of catch rate data (p-values).

涵盖两个采样时期的物种丰度（Species abundance）数据，以及用于检验种群衰退或扩张的麦克尼马尔检验（McNemar's test）与捕捞率数据配对t检验（paired t-tests）的结果，两类检验均附带P值（p-values）。