نتایج جستجو برای: acidification
تعداد نتایج: 10079 فیلتر نتایج به سال:
Citation: Wu HC, Dissard D, Le Cornec F, Thil F, Tribollet A, Moya A and Douville E (2017) Primary Life Stage Boron Isotope and Trace Elements Incorporation in Aposymbiotic Acropora millepora Coral under Ocean Acidification and Warming. Front. Mar. Sci. 4:129. doi: 10.3389/fmars.2017.00129 Primary Life Stage Boron Isotope and Trace Elements Incorporation in Aposymbiotic Acropora millepora Coral...
[1] Global ocean acidification is a prominent, inexorable change associated with rising levels of atmospheric CO2. Here we present the first basin-wide direct observations of recently declining pH, along with estimates of anthropogenic and non-anthropogenic contributions to that signal. Along 152 W in the North Pacific Ocean (22–56 N), pH changes between 1991 and 2006 were essentially zero belo...
Swimming behaviors of planktonic larvae impact dispersal and population dynamics of many benthic marine invertebrates. This key ecological function is modulated by larval development dynamics, biomechanics of the resulting morphology, and behavioral choices. Studies on ocean acidification effects on larval stages have yet to address this important interaction between development and swimming un...
This paper deals with the development of an empirical model to describe dynamics milk acidification process for production acid casein. The is based on pH profiles during since a good indicator status precipitation. Data from laboratory experiments has been used identify parameters in proposed model. Calibration and validation results, independent data set, show that able predict accurately at ...
It was reported recently that the cystic fibrosis conductance regulator protein (CFTR) is required for acidification of phagosomes in alveolar macrophages (Di et al. Nature Cell Biol. 8:933–944, 2006). Here we determined whether the CFTR chloride channel is a generalized pathway for chloride entry into phagosomes of macrophages and whether mutations in CFTR could contribute to alveolar macropha...
Fossil pigment analyses and 19 year-long historical records were used to quantify whole-lake algal response to changes in optical and chemical properties following experimental acidification of Lake 302 with H2SO4 (south basin, 302S; 1981–1989) or HNO3 (north basin, 302N; 1982–1986) and HCl (1987–1989). Undisturbed sediments were collected by freeze-coring, sectioned in approximately annual int...
A novel form of hydroponic culture was employed to explore the physiological function of roots of a tea plant (Camellia sinensis). The pH of the nutrient solution with an actively growing tea plant decreased during cultivation. Furthermore, no oxalic acid, tartaric acid, malic acid or citric acid, all possible factors in acidification, was detected in the nutrient solution of a growing plant. A...
Contents 1. Introduction 2. Soil acidity and its indices 2.1. Actual acidity. 2.2. Potential acidity. 2.3. Cation (positive ion) exchange capacity and saturation with bases. 3. Natural reasons for increasing soil acidification 3.1. Leaching regime. 3.2. Soil-forming rocks and plants. 3.3. The distribution of acid soils. 4. The reasons for anthropogenic acidification of soils. The phenomenon of ...
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