集群分布 meaning in Chinese

clumped
contagious distribution

The individuals of neolitsea aurata var . glauca in gaps showed clumped distribution
林隙内白毛新木姜子种群为集群分布。
In addition , the distributing pattem was related with the time of egrets starting their breeding and with the behavior of occupying the space prepared for nest
四种鹭类在繁殖地内同种集群分布，分布格局与鹭类进入繁殖期的时间和占区有关。