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31.
Tchoffo Rodrigue Ngassa Guy B. P. Doungmo Giscard Kamdem Arnaud T. Tonlé Ignas K. Ngameni Emmanuel 《Environmental science and pollution research international》2022,29(1):222-235
Environmental Science and Pollution Research - A composite material prepared by polymerization of β-cyclodextrin (β-CD) on the surface of natural hydroxyapatite using citric acid as cross... 相似文献
32.
Sudarto Xandramaya C. Lalu Janny D. Kosen Agus H. Tjakrawidjaja Ruby Vidia Kusumah Bambang Sadhotomo Kadarusman Laurent Pouyaud Jacques Slembrouck Emmanuel Paradis 《Marine Biology》2010,157(10):2253-2262
Dating the divergence between the two known living species of coelacanths has remained a difficult issue because of the very
ancient origin of this lineage of fish, which is more closely related to tetrapods than to other fishes. We sequenced the
complete mitochondrial genome of a recently captured individual of the Indonesian coelacanth in order to solve this issue.
Using an approach based on loglinear models, we studied the molecular divergence between the two species of coelacanths and
three other pairs of species, one that has diverged recently (Pan) and two that have diverged more distantly in the past. The loglinear models showed that the divergence between the two species
of coelacanths is not significantly different from the two species of Pan. A detailed gene by gene analysis of the patterns of nucleotide and amino acid substitutions between these two pairs of species
further supports the similarity of these divergences. On the other hand, a molecular dating analysis suggested a much older
origin of the two coelacanth species (between 20 and 30 million years ago). We discuss the potential reasons for this discrepancy.
The analysis of new individuals of the Indonesian coelacanth will certainly help to solve this issue. 相似文献
33.
Community participation and community based management are topical themes in current policy and discussion revolving around decision-making processes especially those dealing with natural resources management.This review shows that while governments have accepted the need to either cede or devolve control and management of natural resources to the local communities,the communities are not part and parcel of the planning and budgeting which are crucial in decisionmaking.Communities were seen to be more involved in the implementation of natural resource management programs but lacked ownership of the projects.This causes lack of commitment to the programs and at times hostile reaction from the communities.The communities are always at the receiving end when it pertains to losses in the exchange.Community participation was shown to be effective when the local population is involved not as co-operating users but as natural resource managers or owner managers. 相似文献
34.
35.
Nikolaos Kazantzis Vasiliki Kazantzi Emmanuel G. Christodoulou 《Environmental science and pollution research international》2014,21(16):9553-9568
A new approach to the problem of environmental hazard assessment and monitoring for pollutant biodegradation reaction systems in the presence of uncertainty is proposed using soft sensor-based pollutant concentration dynamic profile reconstruction techniques. In particular, a robust reduced-order soft sensor is proposed that can be digitally implemented in the presence of inherent complexity and the inevitable model uncertainty. The proposed method explicitly incorporates all the available information associated with a process model characterized by varying degrees of uncertainty, as well as available sensor measurements of certain physicochemical quantities. Based on the above information, a reduced-order soft sensor is designed enabling the reliable reconstruction of pollutant concentration profiles in complex biodegradation systems that can not be always achieved due to physical and/or technical limitations associated with current sensor technology. The option of using the aforementioned approach to compute toxic load and persistence indexes on the basis of the reconstructed concentration profiles is also pursued. Finally, the performance of the proposed method is evaluated in two illustrative environmental hazard assessment case studies. 相似文献
36.
Yiridomoh Gordon Yenglier Bonye Samuel Ziem Derbile Emmanuel Kanchebe Owusu Victor 《Environment, Development and Sustainability》2022,24(1):810-831
Environment, Development and Sustainability - Climate extremes over the years have been a major concern for the globalized world. The hardest hit from these climate extremes are women farmers with... 相似文献
37.
Peter Leinweber Ulrich Bathmann Uwe Buczko Caroline Douhaire Bettina Eichler-Löbermann Emmanuel Frossard Felix Ekardt Helen Jarvie Inga Krämer Christian Kabbe Bernd Lennartz Per-Erik Mellander Günther Nausch Hisao Ohtake Jens Tränckner 《Ambio》2018,47(1):3-19
This special issue of Ambio compiles a series of contributions made at the 8th International Phosphorus Workshop (IPW8), held in September 2016 in Rostock, Germany. The introducing overview article summarizes major published scientific findings in the time period from IPW7 (2015) until recently, including presentations from IPW8. The P issue was subdivided into four themes along the logical sequence of P utilization in production, environmental, and societal systems: (1) Sufficiency and efficiency of P utilization, especially in animal husbandry and crop production; (2) P recycling: technologies and product applications; (3) P fluxes and cycling in the environment; and (4) P governance. The latter two themes had separate sessions for the first time in the International Phosphorus Workshops series; thus, this overview presents a scene-setting rather than an overview of the latest research for these themes. In summary, this paper details new findings in agricultural and environmental P research, which indicate reduced P inputs, improved management options, and provide translations into governance options for a more sustainable P use. 相似文献
38.
Yannick Mamindy-Pajany Stéphanie Sayen Emmanuel Guillon 《Environmental science and pollution research international》2014,21(3):1638-1647
Soil contamination with anthropogenic metals resulting from biosolid application is widespread around the world. To better predict the environmental fate and mobility of contaminants, it is critical to study the capacity of biosolid-amended soils to retain and release metals. In this paper, nickel adsorption onto a calcareous soil, a lime-stabilized biosolid, and soil–biosolid mixtures (30, 75, and 150 t biosolid/ha) was studied in batch experiments. Sorption experiments showed that (1) Ni adsorption was higher onto the biosolid than the calcareous soil, and (2) biosolid acted as an adsorbent in the biosolid–soil mixtures by increasing Ni retention capacity. The sorption tests were complemented with the estimation of Ni adsorption reversibility by successive applications of extraction solutions with water, calcium (100 mg/L), and oxalic acid (equivalent to 100 mg carbon/L). It has been shown that Ni desorption rates in soil and biosolid-amended soils were lower than 30 % whatever the chemical reagent, indicating that Ni was strongly adsorbed on the different systems. This adsorption/desorption hysteresis effect was particularly significant at the highest biosolid concentration (150 t/ha). Finally, an adsorption empirical model was used to estimate the maximum permissible biosolid application rate using French national guideline. It has been shown that desorption effects should be quantitatively considered to estimate relevant biosolid loadings. 相似文献
39.
Dixit Rewati Gupta Anirudh Jordan Norbert Zhou Shengqiang Schild Dieter Weiss Stephan Guillon Emmanuel Jain Rohan Lens Piet 《Environmental science and pollution research international》2021,28(30):40264-40274
Environmental Science and Pollution Research - Bioreduction of selenium oxyanions to elemental selenium is ubiquitous; elucidating the properties of this biogenic elemental selenium (BioSe) is thus... 相似文献
40.
Obuobi Bright Zhang Yifeng Nketiah Emmanuel Adu-Gyamfi Gibbson Cudjoe Dan 《Environmental science and pollution research international》2022,29(46):69540-69554
Environmental Science and Pollution Research - Sustainable Development Goal (SDG-7) stipulates the need for clean energy, reduced carbon dioxide emissions, prevention of environmental... 相似文献