scholarly journals Impact of oyster culture on coral reef bacterioplankton community composition and function in Daya Bay, China

2021 ◽  
Author(s):  
F Tong ◽  
P Zhang ◽  
X Zhang ◽  
P Chen
Keyword(s):  
Coral Reef ◽  
Community Composition ◽  
Daya Bay ◽  
Oyster Culture ◽  
Bacterioplankton Community ◽  
And Function

scholarly journals Variability in Microbial Community Composition and Function Between Different Niches Within a Coral Reef

2014 ◽  
Vol 67 (3) ◽  
pp. 540-552 ◽  
Author(s):  
Jessica Tout ◽  
Thomas C. Jeffries ◽  
Nicole S. Webster ◽  
Roman Stocker ◽  
Peter J. Ralph ◽  
...  
Keyword(s):  
Coral Reef ◽  
Microbial Community ◽  
Community Composition ◽  
Microbial Community Composition ◽  
And Function

Mutual environmental drivers of the community composition, functional attributes and co-occurrence patterns of bacterioplankton in the composite aquatic ecosystem of Taihu watershed in China

2020 ◽  
Vol 96 (8) ◽  
Author(s):  
Mingkun Liu ◽  
Xue Han ◽  
Jun Tong ◽  
Huifeng Zhu ◽  
Xiaohui Bai
Keyword(s):  
Community Composition ◽  
Relative Abundance ◽  
Environmental Drivers ◽  
Environmental Predictors ◽  
Anthropogenic Contamination ◽  
Bacterioplankton Community ◽  
Functional Attributes ◽  
And Function ◽  
Occurrence Patterns ◽  
The Impact

ABSTRACT This study aimed to determine the environmental and ecological factors influencing the planktonic prokaryotic community profiles in the composite ecosystem comprising Taihu Lake, Taipu River and Jinze Reservoir in the Taihu Watershed in China. A total of 42 water samples were intermittently collected from different sites in 6 months across four seasons. Physicochemical characteristics of the ecosystem, bacterioplankton diversity and composition, the presence of co-occurrence patterns, and environmental predictors of ecological modules in the bacterioplankton network were determined. The central species played a more important role in regulating the structure and function of the bacterioplankton community and in responding to environmental contamination than the entire community. The relative abundance of the phylum Proteobacteria and the class Betaproteobacteria varied significantly between months and locations, which were identified as core functional taxa. A non-random co-occurrence pattern and function-driven modular structure were observed in the bacterioplankton co-occurrence network. Dissolved oxygen and ammonium nitrogen were the major and mutual environmental predictors of the bacterioplankton community composition, functional attributes and relative abundance of ecological modules. The results improve our understanding of the impact of anthropogenic contamination on bacterioplankton diversity and biogeochemical cycles and the formulation of strategies for bioremediation of the Taihu Watershed.

scholarly journals Experimental reef communities persist under future ocean acidification and warming

2021 ◽  
Author(s):  
Christopher Jury ◽  
Keisha Bahr ◽  
Evan Barba ◽  
Russell Brainard ◽  
Annick Cros ◽  
...  
Keyword(s):  
Experimental Study ◽  
Species Richness ◽  
Coral Reef ◽  
Coral Reefs ◽  
Ocean Acidification ◽  
Community Composition ◽  
Functional State ◽  
Reef Communities ◽  
Paris Climate Agreement

Abstract Coral reefs are among the most sensitive ecosystems affected by ocean acidification and warming, and are predicted to shift from net accreting calcifier-dominated systems to net eroding algal-dominated systems over the coming decades. Here we present a long-term experimental study examining the responses of entire mesocosm coral reef communities to acidification (-0.2 pH units), warming (+ 2°C), and combined future ocean (-0.2 pH, + 2°C) treatments. We show that under future ocean conditions, net calcification rates declined yet remained positive, corals showed reduced abundance yet were not extirpated, and community composition shifted while species richness was maintained. Our results suggest that under Paris Climate Agreement targets, coral reefs could persist in an altered functional state rather than collapse.

scholarly journals Coral reef diversity losses in China’s Greater Bay Area were driven by regional stressors

2020 ◽  
Vol 6 (40) ◽  
pp. eabb1046
Author(s):  
Jonathan D. Cybulski ◽  
Stefan M. Husa ◽  
Nicolas N. Duprey ◽  
Briony L. Mamo ◽  
Toby P. N. Tsang ◽  
...  
Keyword(s):  
Climate Change ◽  
Coral Reef ◽  
Inorganic Nitrogen ◽  
Species Dominance ◽  
Critical Gap ◽  
The Past ◽  
Bay Area ◽  
Poor Water Quality ◽  
Coral Communities ◽  
And Function

Observations of coral reef losses to climate change far exceed our understanding of historical degradation before anthropogenic warming. This is a critical gap to fill as conservation efforts simultaneously work to reverse climate change while restoring coral reef diversity and function. Here, we focused on southern China’s Greater Bay Area, where coral communities persist despite centuries of coral mining, fishing, dredging, development, and pollution. We compared subfossil assemblages with modern-day communities and revealed a 40% decrease in generic diversity, concomitant to a shift from competitive to stress-tolerant species dominance since the mid-Holocene. Regions with characteristically poor water quality—high chl-a, dissolved inorganic nitrogen, and turbidity—had lower contemporary diversity and the greatest community composition shift observed in the past, driven by the near extirpation of Acropora. These observations highlight the urgent need to mitigate local stressors from development in concert with curbing greenhouse gas emissions.

Sign in / Sign up

Export Citation Format

Share Document