We report on the potential role that ephemeral wetland boundaries played in the population decline of roan antelope Hippotragus equinus equinus on the northern plains of Kruger National Park ( KNP) between 1979 and the present. 本研究报道了1979年以来南非克留格尔国家公园暂时性沼泽边界对马羚(Hippotragusequinusequinus)种群下降的影响。