Home for Marine Species: Seagrass Leaves as Vital Spawning Grounds and Food Source

Jiang, Zhijian; Huang, Di; Fang, Yang; Cui, Lijun; Zhao, Changsui; Liu, Songlin; Wu, Yunchao; Chen, Qiming; Ranvilage, Chanaka Isuranga Premarathne Maha; He, Jialu; Huang, Xiaoping

doi:10.3389/fmars.2020.00194

Cited by 28 publications

(16 citation statements)

References 47 publications

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“…Seagrass is an important food source for consumers but is also a critical spawning ground for many economic fish and invertebrates (Liu et al 2015, Jiang et al 2020. The decline of the seagrass ecosystem will undoubtedly decrease biodiversity and the ecological nursery function (Jänes et al 2020a, b).…”

Section: Ecological Significancementioning

confidence: 99%

“…Li'an Bay is a nearly enclosed bay, with a densely populated shoreline. Shrimp pond cultures are distributed around the bay's shoreline, and fish cages are situated in the center of the bay (Zhang et al 2016, Jiang et al 2020. In contrast, TM is an open bay that is much less populated, and only a small number of landbased grouper cultures along the coastline.…”

Section: Introductionmentioning

confidence: 99%

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Eutrophication reduces seagrass contribution to coastal food webs

et al. 2021

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Food sources and food web structure in seagrass meadows are important determinants of ecosystem functions and services. However, there is little information on the effect of eutrophication on food source contributions and food web structure in seagrass meadows. Here we used stable isotopes of carbon and nitrogen (δ 13 C and δ 15 N) to investigate how do different levels of nutrient enrichment affect the diets of consumers and food web structure within tropical seagrass meadows. We found that the diet contributions of macroalgae (mean 24% AE 12% for fish, 21% AE 5% for invertebrates), particulate organic matter (mean 19% AE 12% for fish, 18% AE 8% for invertebrates), and sediment organic matter (mean 24% AE 13% for fish, 21% AE 8% for invertebrates) to fish and invertebrates were all higher in seagrass meadows with higher nutrient concentrations, while seagrass and epiphytes contributed more to consumers in seagrass meadows with lower nutrient concentrations. Meanwhile, higher nutrient concentrations decreased the trophic position (mean 2.6 AE 0.5 in high-nutrient level, 3.4 AE 0.6 in low-nutrients level) of consumers and food chain length (2.5 in high-nutrient level, 2.9 in lownutrients level). Higher nutrient concentrations reduced the contribution of seagrass carbon to consumers through the grazing food chain, but enhanced the flow of macroalgal carbon to consumers through the grazing food chain. Overall, eutrophication modified the food web structure of seagrass meadows. We recommend that measures be taken to decrease nutrient input into seagrass ecosystems to maintain its important functions and services.

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Section: Ecological Significancementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Eutrophication reduces seagrass contribution to coastal food webs

et al. 2021

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“…海草(seagrass)是生活在海水中的唯一高等被子植物, 广泛分布于全球温带和热带近岸海域. 海草床作为滨海三大典型生态系统之一, 具有极高的初级生产力和丰富的生物多样性 [1] , 提供了重要的生态服务功能, 是近岸众多海洋生物的重要栖息地和食物来源 [2] . 螺类是软体动物腹足类的通称, 广泛分布于潮间带区域, 是海草床中重要的无脊椎动物, 更是海草床生态系统的重要环境指示生物 [3,4] .…”

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Key factors affecting herbivore habitat selection in tropicalseagrass beds

He¹,

Jiang²,

Cui³

et al. 2021

Sci. Sin.-Vitae

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“…海草床(seagrass bed)是地球上分布最广泛的沿海生态系统之一 [2] , 具有重要的生态系统服务功能. 例如, 海草床为海洋动物(如绿海龟、儒艮等)提供重要的食物来源和栖息地 [3,4] ; 同时, 海草床是生物圈中碳储存的关键场所 [5] . 然而, 海草床生态系统正面临着多重威胁, 包括富营养化、沉积物覆盖、物种入侵、人为渔业活动、病原菌侵害、全球升温、海洋酸化、台风等, 海草床面积急剧衰退 [6,7] .…”

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