Results 21 to 30 of about 2,098,135 (238)
Functional Ecology, EarlyView.Read the free Plain Language Summary for this article on the Journal blog. Abstract Anthropogenic nitrogen (N) deposition is a major driver of global change. However, its effects on the developmental plasticity of plant nutrient strategies remain poorly understood.
Quan Li +11 more
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Organ‐specific ozone and nitrogen legacies strengthen substrate control over litter decomposition
Functional Ecology, EarlyView.Read the free Plain Language Summary for this article on the Journal blog. Abstract Elevated tropospheric ozone (O3) and nitrogen (N) deposition are concurrent atmospheric changes that strongly influence terrestrial carbon cycling, yet their combined effects on below‐ground decomposition remain poorly understood.
Xiaofan Hou +8 more
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Journal of Animal Ecology, EarlyView.This population‐comparative study reveals that male and female parents respond differently to social and ecological conditions. This sex‐specific responsive strategy is related to the incongruent parental care systems across populations in Chinese penduline tits.
Jia Zheng +5 more
wiley +1 more source
Methods in Ecology and Evolution, EarlyView.Abstract Elliptic Fourier analysis (EFA) is often employed in geometric morphometrics (GM), but the normalization of elliptic Fourier descriptor (EFD) has persistently posed challenges for obtaining unique and comparable results, especially in the application of outline‐based GM methods, which limits the implementation in automated analysis of numerous,
Hui Wu +6 more
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When and why to give shorebirds a head start
Conservation Biology, EarlyView.Abstract Headstarting is a translocation technique involving the hatching or rearing of wild eggs or young in captivity and the release of those individuals back to the wild at or before independence. It has been trialed as a conservation intervention for shorebirds over recent decades to improve the population trend of target populations by increasing
Lynda Donaldson +4 more
wiley +1 more source
Gongye shui chuli, 2014 对电化学还原—氧化降解甲苯硝化废水进行了研究，考察了不同电流密度和反应时间对降解效果的影响，并且考察了出水的可生化性以及生物毒性的变化。结果表明：在最佳电流密度20 mA/cm2，最佳处理时间4 h下，硝化废水的SUVA（废水芳香性指标）去除率可以达到56.4%，COD去除率为26.6%，B/C由原水的0.115提高到0.435，急性生物毒性也有明显降低，TU值由原先的285.7降低为41.7。说明电化学还原—氧化法对硝化废水可生化性的提高，毒性的降低是有显著作用的。
江野立 +3 more
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Comprehensive framework for assessing and optimizing existing research networks
Conservation Biology, EarlyView.Abstract Conservation, monitoring, and research networks, or collections of ecological research sites unified under a common mission of data collection or a research mission, are essential infrastructure for understanding large landscapes. However, most networks developed opportunistically over decades rather than through systematic design, creating ...
Alyson East +2 more
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Gongye shui chuli, 2010 结合火炸药工业生产的工艺特点,针对混合炸药废水的特性,进行了混合炸药废水的厌氧生化可降解性研究。研究结果表明:废水中N、P含量能够满足厌氧微生物的生长需要;COD的去除率为80.1%,厌氧生物可降解性为85.3%,pH的变化也能达到厌氧反应器正常运行的要求;废水中有毒物质的整体毒性抑制作用为26.1%,属于代谢毒素,微生物通过驯化可以适应。实验表明,混合炸药废水具有良好的厌氧生化可降解性,用厌氧生物法处理火炸药废水切实可行。
张瑜 +4 more
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Conservation Biology, EarlyView.Abstract The design of experiments to investigate the combined effects of multiple stressors requires exposing target organisms to multiple combinations of stressor doses. Concurrent manipulation of stressors is often infeasible with wildlife, but long‐lasting health effects allow individual health to be used as an integrator of prior stressor exposure.
Enrico Pirotta +24 more
wiley +1 more source
Zhongshan Daxue xuebao. Yixue kexue ban, 1987 正常的成纤维或上皮细胞,在体外培养过程中可能发生转化(transformation)。转化可因致癌化合物或致瘤病毒处理培养物而产生,也可能自发产生。两种类型的转化特点在许多方面是类似的,主要有细胞接种于敏感动物有致瘤性,细胞具有无限生长期(永生性)丧失停泊依赖性,对血清的依赖性降低,被外源性凝集因子的凝集能力增加,对化学致癌的毒性作用的抗性增加,对培养液内钙离子含量增加而增殖的依赖性降低,纤粘素合成下降等。
曹弃元
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