Separate and combined effects of elevated pCO2 and temperature on the branching reef corals Acropora digitifera and Montipora digitata

被引：2

作者：

Manullang, Cristiana ^{[1
]}

Singh, Tanya ^{[1
]}

Sakai, Kazuhiko ^{[1
]}

Miyagi, Aika ^{[2
]}

Iwasaki, Aiko ^{[3
]}

Nojiri, Yukihiro ^{[4
,5
]}

Iguchi, Akira ^{[6
,7
]}

机构：

[1] Univ Ryukyus, Trop Biosphere Res Ctr, Sesoko Stn, Motobu, Okinawa, Japan

[2] Natl Inst Technol, Okinawa Coll, Dept Bioresources Engn, Nago City, Okinawa, Japan

[3] Tohoku Univ, Asamushi Res Ctr Marine Biol, Grad Sch Life Sci, Aomori, Aomori, Japan

[4] Natl Inst Environm Studies, Ctr Global Environm Res, Tsukuba, Ibaraki, Japan

[5] Hirosaki Univ, Grad Sch Earth & Environm Sci, Hirosaki, Aomori, Japan

[6] Natl Inst Adv Ind Sci & Technol, Geol Survey Japan, Tsukuba, Ibaraki, Japan

[7] Natl Inst Adv Ind Sci & Technol, Res Lab Environm conscious Dev & Technol Ecode, Tsukuba, Ibaraki, Japan

来源：

MARINE ENVIRONMENTAL RESEARCH | 2023年 / 188卷

关键词：

Ocean acidification; Ocean warming; Reef coral; Coral calcification; Combined effect; Additive; Acropora digitifera; Montipora digitata; OCEAN ACIDIFICATION; SCLERACTINIAN CORALS; PARTIAL-PRESSURE; RESPONSES; CALCIFICATION; GROWTH; PHOTOSYNTHESIS; CLIMATE; CO2; PHOTOINHIBITION;

D O I：

10.1016/j.marenvres.2023.106030

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Ocean acidification (OA) and warming (OW) are major global threats to coral reef ecosystems; however, studies on their combined effects (OA + OW) are scarce. Therefore, we evaluated the effects of OA, OW, and OA + OW in the branching reef corals Acropora digitifera and Montipora digitata, which have been found to respond differently to environmental changes. Our results indicate that OW has a greater impact on A. digitifera and M. digitata than OA and that the former species is more vulnerable to OW than the latter. OW was the main stressor for increased mortality and decreased calcification in the OA + OW group, and the effect of OA + OW was additive in both species. Our findings suggest that the relative abundance and cover of M. digitata are expected to increase whereas those of A. digitifera may decrease in the near future in Okinawa.

引用

页数：9

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