期刊
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷 371, 期 1694, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rstb.2015.0282
关键词
biodiversity; ecosystem functioning; palaeoecology; biological time series; microfossils; meiofauna
类别
资金
- Research Grants Council of the Hong Kong Special Administrative Region, China [HKU 17306014]
- Ministry of Science and Technology, Taiwan [MOST 103-2119-M-002-029-MY2]
- programme RITMARE (MIUR)
- programme DEVOTES (FP7) [308392]
- programme MIDAS (FP7) [603418]
The link between biodiversity and ecosystem functioning (BEF) over long temporal scales is poorly understood. Here, we investigate biological monitoring and palaeoecological records on decadal, centennial and millennial time scales from a BEF framework by using deep sea, soft-sediment environments as a test bed. Results generally show positive BEF relationships, in agreement with BEF studies based on present-day spatial analyses and short-term manipulative experiments. However, the deep-sea BEF relationship is much noisier across longer time scales compared with modern observational studies. We also demonstrate with palaeoecological time-series data that a larger species pool does not enhance ecosystem stability through time, whereas higher abundance as an indicator of higher ecosystem functioning may enhance ecosystem stability. These results suggest that BEF relationships are potentially time scale-dependent. Environmental impacts on biodiversity and ecosystem functioning may be much stronger than biodiversity impacts on ecosystem functioning at long, decadal millennial, time scales. Longer time scale perspectives, including palaeoecological and ecosystem monitoring data, are critical for predicting future BEF relationships on a rapidly changing planet.
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