Bioerosion and encrustation of the rocky shore dwellers along the Arabian Gulf, Northeast Saudi Arabia

被引:5
|
作者
El-Sorogy, Abdelbaset S. [1 ]
Alzahrani, Hassan [1 ]
机构
[1] King Saud Univ, Coll Sci, Geol & Geophys Dept, POB 2455, Riyadh 11451, Saudi Arabia
关键词
Bioerosion; Encrustation; Rocky shore dwellers; Arabian Gulf; Saudi Arabia; RED-SEA COAST; TAPHONOMIC SIGNATURES; BIVALVE SHELLS; TARUT ISLAND; SEDIMENTS; MOLLUSKS; MIOCENE;
D O I
10.1016/j.jksus.2023.103062
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The coastal area between Al-Khafji and Al-Jubail, Arabian Gulf, Saudi Arabia is characterized by natural and artificial rocky shores, which inhabited by intensive dwellers. The present work aimed to shed light on the taxonomy, distribution, and environmental factors affecting the abundance of the invertebrate borers and encrusters in the study area. A total of 614 specimens of bivalve, gastropod, coral, and lithified rocky shores were collected from 13 sites. Eighteen ichnospecies of 8 ichnogenera were identified and illustrated. These traces were produced by clionid sponges (31.75%), endolithic bivalves (26.19%), naticid gastropods (24.60%), polychaete annelids (15.08%), acrothoracican barnacles (1.85%), and vermitid gastropods (0.53). The rocky shore dwellers act as hard substrate for colonization by serpulids, barnacles, bryozoans, and other cemented invertebrates. Most of the thick invertebrates and lithified rocky grounds were bioeroded by endolithic bivalves, clionaid sponges, polychaete annelids, and acrothoracican barnacles, while the thin walled invertebrate dwellers were bioeroded by naticid gastropods and clionaid sponges. Barnacles, serpulid worms and some molluscs were intensively covered the rocky shore blocks and solid rubbish in intertidal area facing wave action to comb microscopic food from the water.
引用
收藏
页数:9
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