Long‐term mechanistic hindcasts predict the structure of experimentally‐warmed intertidal communities
Long‐term mechanistic hindcasts predict the structure of experimentally‐warmed intertidal communities
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长期机械后报预测了实验性变暖的潮间带群落的结构
DOI:
10.1111/oik.07468
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发表时间:
2020
期刊:
影响因子:
3.4
通讯作者:
Denny, Mark W.
中科院分区:
文献类型:
--
作者:
LaScala‐Gruenewald, Diana E.;Denny, Mark W.
Increases in global temperatures are expected to have dramatic effects on the abundance and distribution of species in the coming years. Intertidal organisms, which already experience temperatures at or beyond their thermal limits, provide a model system in which to investigate these effects. We took advantage of a previous study in which experimental plates were deployed in the intertidal zone and passively warmed for 12 years to a daily maximum temperature on average 2.7°C higher than control plots on the adjacent bedrock. We compared the composition of the biological communities on each experimental plate with its neighboring bedrock control. Plate communities showed decreased richness of taxa and percent cover of filamentous algae, mussels and mobile grazers relative to bedrock, and increased percent cover of biofilm. We then used short‐term time‐series measurements of plate and bedrock temperatures and a mechanistic heat‐budget model to hindcast those temperatures back 12 years. Greater differences in long‐term average temperature between the experimental plates and bedrock controls were correlated with lower similarity in community composition. Additionally, years with higher average differences between plate and bedrock temperatures were more predictive of current compositional similarity between plate and bedrock communities, even though they occurred farther in the past than did more recent, but cooler, years. We conclude that current intertidal communities reflect their long‐term, rather than short‐term, thermal histories. Mechanistic heat‐budget models based on short‐term measurements can provide this valuable, long‐term information.
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DOI:
--
发表时间:
1935
期刊:
影响因子:
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DOI:
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期刊:
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DOI:
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发表时间:
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期刊:
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作者:
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影响因子:
11.6
作者:
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通讯作者:
L. Benedetti‐Cecchi
DOI:
10.2307/j.ctv143mdjg.14
发表时间:
2020
期刊:
Mechanical Design in Organisms
影响因子:
--
作者:
Emily Dobry;G. Schoeniger;S. Nutile
通讯作者:
S. Nutile