Exponential Decline of Deep-Sea Ecosystem Functioning Linked to Benthic Biodiversity Loss

@article{Danovaro2008ExponentialDO,
  title={Exponential Decline of Deep-Sea Ecosystem Functioning Linked to Benthic Biodiversity Loss},
  author={Roberto Danovaro and Cristina Gambi and Antonio Dell'Anno and Cinzia Corinaldesi and Simonetta Fraschetti and Ann Vanreusel and Magda Vincx and Andrew J. Gooday},
  journal={Current Biology},
  year={2008},
  volume={18},
  pages={1-8}
}

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References

SHOWING 1-10 OF 93 REFERENCES
Impacts of Biodiversity Loss on Ocean Ecosystem Services
Human-dominated marine ecosystems are experiencing accelerating loss of populations and species, with largely unknown consequences. We analyzed local experiments, long-term regional time series, and
Biodiversity response to climate change in a warm deep sea
TLDR
It is concluded thatDeep-sea fauna is highly vulnerable to environmental alteration, and that deep-sea biodiversity is also significantly affected by very small temperature changes.
The deep-sea floor ecosystem: current status and prospects of anthropogenic change by the year 2025
TLDR
Current impacts of human activities on the deep-sea floor ecosystem are reviewed, and anthropogenic changes to this ecosystem by the year 2025 are predicted, to help assess the risk of species extinctions from large-scale mining.
Orbital forcing of deep-sea benthic species diversity
Explanations for the temporal and spatial patterns of species biodiversity focus on stability–time1–3, disturbance–mosaic (biogenie microhabitat heterogeneity)4,5 and competition–predation (biotic
Declining biodiversity can alter the performance of ecosystems
COMMUNITIES of species and their associated biological, chemical and physical processes, collectively known as ecosystems, drive the Earth's biogeochemical processes1,2. Currently most ecosystems are
EFFECTS OF BIODIVERSITY ON ECOSYSTEM FUNCTIONING: A CONSENSUS OF CURRENT KNOWLEDGE
TLDR
Understanding this complexity, while taking strong steps to minimize current losses of species, is necessary for responsible management of Earth's ecosystems and the diverse biota they contain.
Bioturbators enhance ecosystem function through complex biogeochemical interactions
TLDR
Experimental field measurements demonstrate how the abundance of spatangoid urchins—infaunal (in seafloor sediment) grazers / deposit feeders—is positively related to primary production, as their activities change nutrient fluxes and improve conditions for production by microphytobenthos (sedimentatry microbes and unicellular algae).
Biodiversity and Ecosystem Functioning: Current Knowledge and Future Challenges
TLDR
Larger numbers of species are probably needed to reduce temporal variability in ecosystem processes in changing environments and to determine how biodiversity dynamics, ecosystem processes, and abiotic factors interact.
ENVIRONMENTAL INFLUENCES ON REGIONAL DEEP-SEA SPECIES DIVERSITY
TLDR
A conceptual model of how interdependent environmental factors shape regional-scale variation in local diversity in the deep sea is presented, showing how environmental gradients may form geographic patterns of diversity by influencing local processes such as predation, resource partitioning, competitive exclusion, and facilitation that determine species coexistence.
Low functional redundancy in coastal marine assemblages
TLDR
This work finds strong positive relationships between species and functional diversity, and increased functional diversity of fish assemblages coinciding with recovery of species diversity in marine reserves, independent of the method used for classifying species in functional groups.
...
...