Macrozoobenthos, Biodiversity, Ecology, Hormozgan
Subject Areas : Animal environment
Keivan Ejlali Khanghah
1
,
Hamed Kioumarsi
2
,
ُSaeed Tamadoni
3
,
Fatemeh Moazzezi
4
1 - Persian Gulf and Oman Sea Ecology Research Center, Iranian Fisheries Science Research Institute, Agricultural Research Education and Extension Organization (AREEO), Bandar Abbas,Iran P.Box: 7916793165َ
2 - بخش تحقیقات علوم دامی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان گیلان، سازمان تحقیقات، آموزش و ترویج کشاورزی، رشت، ایران
3 - Persian Gulf and Oman Sea Ecology Research Center, Iranian Fisheries Science Research Institute, Agricultural Research Education and Extension Organization (AREEO), Bandar Abbas,Iran P.Box: 7916793165
4 - Social and Extension Research Department, Guilan Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Rasht, Iran
Keywords: Macrozoobenthos, Biodiversity, Ecology, Hormozgan,
Abstract :
This study was conducted to investigate the changes in the biodiversity of macrobenthos communities in 2016, 2018, 2017 and 2018. Sampling of bed sediments substrates was carried out in 9 stations from the center to the west of the Bandar Abbas coast by a grab van veen device. In this study, 16 main groups including polychaeta, amphipoda, gastropods and bivalves, sipuncula, copepoda, foraminifera, ostracoda, Tanaidacea, Comacea, Decapoda, Echiora, tapeworms, Euphausiacea, Mysidacea, ophiuridea and a number of subgroups (in terms of number) such as Porifera, Cniderians, fish larvae, Tunicata, Hemicordata and some other invertebrates were identified. Pretaran with 57%, followed by Amphipoda with 18%, gastropods, bivalves and sipunclea, each with 4%, navipods with 3%, Foraminifera, Ostracoda, Tanidaceae, Equira, each with 2% and Comaceae, Decapoda, tapeworms, Ophasiacea, Mysidaceae and Marsans with a relative abundance of 1% formed the structure of benthic communities. Additionally, a total of 347 genera and species belonging to 11 phyla of marine invertebrates (macrobenthos) were identified. Except for in 2018, when the tanaidaceans group dominated, in other instances, polychaeta created the dominant group. Biodiversity indicators studied during the mentioned years showed that in 2016, 2018 and 2018, the studied stations were in stress-free conditions; but in 2018, station 3 was under severe stress and other stations were under moderate stress. However, in 2019, station 3 was under severe stress conditions other stations were under moderate stress. In other words, after 10 years, biodiversity has decreased in the studied stations.
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