The Saudi Arabian Gulf coast is witnessing many industrial, recreational and other developmental activities. Impact of these activities on the intertidal macrofaunal communities of this region has not been documented well. Thirty four stations falling under four zones along this coast were sampled to study the benthic macrofaunal community. A total of 81 taxa were recorded and the species richness varied between the zones. Among the 48 polychaetespecies found, Exogone heterosetosa, Dialychone collaris, Ophelina longicaudata, Paraprionospio pinnata, Perinereis falsovariegata and Scololepis squamata were dominant. Species such as Littoraria scabra, Bullia vittata, Incatella cingulata, Meretrix meretrix, Donax sp. and Maoricardium setosum were dominant among the twelve gastropod species. The thirteen species of macrofauna identified to occur in all the zones comprised eight species of gastropods besides two species each of amphipods and isopods and one species of cumacean. ANOSIM showed significant differences in assemblage overall among the four zones and in pairwise comparison. Distance based linear modeling (DISTLM) showed the environmental parameters to explain 55.67% of the variability in macrofauna with variables such as pH, salinity, temperature, pebble and gravel showing significant relationship with macrofauna and explained higher variability. The alpha diversity values were comparatively lower in zone 3 which had high anthropogenic pressure. Shannon–Wiener​ diversity, Margalef richness and more importantly the M-AMBI showed the healthy nature of the study area. The findings of the present study are helpful in tracing the future changes in the intertidal habitat due to anthropogenic activities in this fast developing geographical area.

沙特阿拉伯湾沿岸正在见证许多工业、娱乐和其他开发活动。这些活动对该地区潮间带大型动物群落的影响尚未得到很好的记录。沿着这条海岸线在四个区域内对 34 个站点进行了采样，以研究底栖大型动物群落。共记录了 81 个分类群，各区域之间的物种丰富度各不相同。其中48个polychaetespecies发现，Exogone heterosetosa，Dialychone collaris，Ophelina longicaudata，Paraprionospio红豆，Perinereis falsovariegata和Scololepis鳞占主导地位。物种如Littoraria scabra、Bullia vittata、Incatella cingulata、Meretrix meretrix、Donax sp。和Maoricardium setosum是占主导地位的中十二种腹足动物。确定出现在所有区域的 13 种大型动物群包括 8 种腹足类动物，此外还有 2 种端足类和等足类动物，以及一种 cumacean。ANOSIM 显示四个区域之间的整体组合和成对比较的显着差异。基于距离的线性模型 (DISTLM) 显示环境参数可以解释大型动物群中 55.67% 的变异性，pH、盐度、温度、卵石和砾石等变量显示出与大型动物群的显着关系，并解释了更高的变异性。人为压力较大的3区α多样性值相对较低。香农-维纳的多样性、Margalef 丰富度，更重要的是 M-AMBI 显示了研究区域的健康性质。