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Journal articles on the topic 'Microbial activities'

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1

Nausch, M. "Microbial activities on Trichodesmium colonies." Marine Ecology Progress Series 141 (1996): 173–81. http://dx.doi.org/10.3354/meps141173.

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2

Boddy, L., and H. Stolp. "Microbial Ecology: Organisms, Habitats, Activities." Journal of Ecology 77, no. 2 (1989): 610. http://dx.doi.org/10.2307/2260774.

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3

Kaiser, P. "Microbial ecology: organisms, habitats activities." Annales de l'Institut Pasteur / Microbiologie 139, no. 6 (1988): 738. http://dx.doi.org/10.1016/0769-2609(88)90090-7.

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4

Gottschal, Jan C. "Microbial ecology: Organisms, habitats, activities." Trends in Ecology & Evolution 4, no. 4 (1989): 118–19. http://dx.doi.org/10.1016/0169-5347(89)90064-5.

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5

Remacle, J. "Microbial ecology: Organisms, habitats, activities." Biochemical Systematics and Ecology 17, no. 6 (1989): 499–500. http://dx.doi.org/10.1016/0305-1978(89)90031-8.

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6

Raji, Ramat Onyeneoyiza, Oluwafemi Adebayo Oyewole, Omeiza Haruna Ibrahim, Yetunde Noimot Tijani, and Mordecai Gana. "Microbial communities and activities in caves." Brazilian Journal of Biological Sciences 6, no. 14 (2019): 557–64. http://dx.doi.org/10.21472/bjbs.061407.

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Caves are natural aperture and oligotrophic extreme environment for psychrophilic and psychrotolerant microorganisms. Microorganisms found in caves can be indigenous to the caves or introduced by humans, animals, water flow and wind action. Group of microorganisms found in caves are bacteria, fungi, protozoa, algae and viruses. However, bacteria and fungi are the dominant microorganisms. Cave microorganisms are metabolically diverse and are able to acquire energy independently through photoautotrophic, chemoautotrophic or heterotrophic activities. Different microbial groups also interact in th
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7

Donohue, Timothy J. "Editorial overview: Microbial activities powering society." Current Opinion in Microbiology 67 (June 2022): 102144. http://dx.doi.org/10.1016/j.mib.2022.102144.

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8

Phelps, T. J., E. G. Raione, D. C. White, and C. B. Fliermans. "Microbial activities in deep subsurface environments." Geomicrobiology Journal 7, no. 1-2 (1989): 79–91. http://dx.doi.org/10.1080/01490458909377851.

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9

Pernak, Juliusz, Kinga Sobaszkiewicz, and Ilona Mirska. "Anti-microbial activities of ionic liquids." Green Chemistry 5, no. 1 (2002): 52–56. http://dx.doi.org/10.1039/b207543c.

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10

Löffler, Frank E., and Elizabeth A. Edwards. "Harnessing microbial activities for environmental cleanup." Current Opinion in Biotechnology 17, no. 3 (2006): 274–84. http://dx.doi.org/10.1016/j.copbio.2006.05.001.

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11

FEDORAK, P., and D. COY. "Oil sands cokes affect microbial activities." Fuel 85, no. 12-13 (2006): 1642–51. http://dx.doi.org/10.1016/j.fuel.2006.02.015.

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12

Kasimir, G. D. "Microbiological investigations in the river Danube: Measuring microbial activities and biomass." Veröffentlichungen der Arbeitsgemeinschaft Donauforschung 8, no. 2-4 (1992): 101–14. http://dx.doi.org/10.1127/agdonauforschung/8/1992/101.

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13

M., R. Patel, D. Akbari J., H. Purohit D., and S. Joshi H. "Synthesis and evaluation of pharmacological activity of some new aminopyrimidine and thiopyrimidine derivatives." Journal of Indian Chemical Society Vol. 84, Nov 2007 (2007): 1169–73. https://doi.org/10.5281/zenodo.5824805.

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Department of Chemistry, Saurashtra University, Rajkot-360 005, Gujarat, India <em>E-mail </em>: drhsjoshi@yahoo.com <em>Manuscript received 15 January 2007, revised 6 June 2007, accepted 17 August 2007</em> Various 3-(2-amino-6-arylpyrimidin-4-yl)-6-chlorocinnolin-4(3<em>H)</em>-one (2a-j) and 6-chloro-3-(6-aryl-2-mercapto3,4-dihydropyrimidin-4-yl)cinnolin-4(3<em>H</em>)-one (3a-j) were synthesized by the reaction of 6-chloro-3-[(2<em>E</em>)-3-arylprop-2-enoyl]- cinnolin-4(3<em>H</em>)-ones (1a-j) with guanidine hydrochloride and thiourea respectively. All newly synthesized compounds were te
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14

Pirog, T. P. "MICROBIAL CO-CULTIVATION: DISCOVERY OF NOVEL SECONDARY METABOLITES WITH DIFFERENT BIOLOGICAL ACTIVITIES." Biotechnologia Acta 16, no. 1 (2023): 21–39. http://dx.doi.org/10.15407/biotech16.01.021.

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In recent decades, overuse and misuse of antibiotics as well as social and economic factors have accelerated the spread of antibiotic-resistant bacteria, making them a major problem for humanity. One of the most effective approaches to the discovery of new secondary antimicrobial metabolites is co-cultivation of microorganisms, in which the producer of the target products is grown together with competitive microorganisms ( inductors), in response to the presence of which silent biosynthetic genes of the producer strain are activated and an increase in the biological activity of the synthesized
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15

Xiao, Xi-yuan, Ming-wei Wang, Hui-wen Zhu, Zhao-hui Guo, Xiao-qing Han, and Peng Zeng. "Response of soil microbial activities and microbial community structure to vanadium stress." Ecotoxicology and Environmental Safety 142 (August 2017): 200–206. http://dx.doi.org/10.1016/j.ecoenv.2017.03.047.

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16

Groffman, Peter M., Arthur J. Gold, and Galen Howard. "Hydrologic Tracer Effects on Soil Microbial Activities." Soil Science Society of America Journal 59, no. 2 (1995): 478–81. http://dx.doi.org/10.2136/sssaj1995.03615995005900020030x.

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17

Jack, D. L., and M. W. Turner. "Anti-microbial activities of mannose-binding lectin." Biochemical Society Transactions 31, no. 4 (2003): 753–57. http://dx.doi.org/10.1042/bst0310753.

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Mannose-binding lectin (MBL; also known as mannan-binding lectin) is involved in first-line defence by binding to bacteria, viruses, protozoa and helminths through a pattern-recognition mode of detection and then initiating a range of host responses. Currently, we have been unable to extrapolate from what we know of the biochemistry of MBL binding to predict accurately the interaction of MBL with individual micro-organisms; even subtle surface alterations have been shown to have an extensive impact on MBL-mediated recognition of pathogens. MBL has a major protective effect through activation o
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18

Flores, Mónica, and Fidel Toldrá. "Microbial enzymatic activities for improved fermented meats." Trends in Food Science & Technology 22, no. 2-3 (2011): 81–90. http://dx.doi.org/10.1016/j.tifs.2010.09.007.

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19

Müller, Susann, and Hyun‐Dong Chang. "Microorganisms and Their Activities Within Microbial Communities." Cytometry Part A 97, no. 7 (2020): 681–82. http://dx.doi.org/10.1002/cyto.a.24175.

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20

Kale, S. P., and K. Raghu. "Interaction of nitrofen with soil microbial activities." Pedobiologia 33, no. 5 (1989): 323–32. http://dx.doi.org/10.1016/s0031-4056(24)00285-3.

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21

Wang, Chao, Shuai Cheng, Pei Fang Wang, and Yan Yan Ma. "Microbial Biomass and Enzyme Activities in Chromium and Lead-Contaminated Sediments." Advanced Materials Research 798-799 (September 2013): 1139–43. http://dx.doi.org/10.4028/www.scientific.net/amr.798-799.1139.

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The relationship between microbial biomass and enzyme activities under heavy metal pollution had attracted much attention in ecology. The experimental sediment samples were supplemented with Pb and Cr and incubated at room temperature for a month. Microbial properties such as microbial biomass, urease, catalase and cellulase activities, together with several chemical properties such as pH, total organic carbon , oxidation-reduction potential, total nitrogen and phosphorus were measured to evaluate changes in sediment qualities. Our results demonstrate that heavy metals would inhibit sediment m
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22

Kang, Hojeong, Sunghyun Kim, Keunyea Song, Min-Jung Kwon, and Jaehyun Lee. "Intermediate Disturbances Enhance Microbial Enzyme Activities in Soil Ecosystems." Microorganisms 12, no. 7 (2024): 1401. http://dx.doi.org/10.3390/microorganisms12071401.

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The Intermediate Disturbance Hypothesis (IDH) posits that maximal plant biodiversity is attained in environments characterized by moderate ecological disturbances. Although the applicability of the IDH to microbial diversity has been explored in a limited number of studies, there is a notable absence of experimental reports on whether soil microbial ‘activity’ demonstrates a similar response to the frequency or intensity of environmental disturbances. In this investigation, we conducted five distinct experiments employing soils or wetland sediments exposed to varying intensities or frequencies
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23

Kalyani., P* Hemalatha. K. P. J. "REVIEW PAPER-MARINE MICROBIAL BIOACTIVE COMPOUNDS." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 11 (2016): 124–33. https://doi.org/10.5281/zenodo.164910.

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Oceans have borne most of the biological activities on our planet. A number of biologically active compounds with varying degrees of action, such as anti-tumor, anti-cancer, anti-microtubule, anti-proliferative, cytotoxic, photo protective, as well as antibiotic and antifouling properties, have been isolated to date from marine sources. The marine environment also represents a largely unexplored source for isolation of new microbes (bacteria, fungi, actinomycetes, microalgae-cyanobacteria and diatoms) that are potent producers of bioactive secondary metabolites. Extensive research has been don
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24

Chung, Ren-Shih, and Ed-Haun Chang. "Soil microbial community structure and microbial activities in the root zone ofNothapodytes nimmoniana." Soil Science and Plant Nutrition 58, no. 4 (2012): 479–91. http://dx.doi.org/10.1080/00380768.2012.702282.

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25

Yasri, Nael, Edward P. L. Roberts, and Sundaram Gunasekaran. "The electrochemical perspective of bioelectrocatalytic activities in microbial electrolysis and microbial fuel cells." Energy Reports 5 (November 2019): 1116–36. http://dx.doi.org/10.1016/j.egyr.2019.08.007.

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26

Chen, Y., X. K. Li, J. Si, G. J. Wu, L. D. Tian, and S. R. Xiang. "Influence of aeolian activities on the distribution of microbial abundance in glacier ice." Biogeosciences Discussions 11, no. 10 (2014): 14531–49. http://dx.doi.org/10.5194/bgd-11-14531-2014.

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Abstract. Microorganisms are continuously blown onto the glacier snow, and thus the glacial depth profiles provide excellent archives of microbial communities and climatic and environmental changes. However, it is uncertain about how aeolian processes that cause climatic changes control the distribution of microorganisms in the glacier ice. In the present study, microbial density, stable isotopic ratios, 18O / 16O in the precipitation, and mineral particle concentrations along the glacial depth profiles were collected from ice cores from the Muztag Ata glacier and the Dunde ice cap. The ice co
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27

Phonnok, Sirinet, Wanlaya Uthaisang-Tanechpongtamb, and Benjamas Thanomsub Wongsatayanon. "Anticancer and apoptosis-inducing activities of microbial metabolites." Electronic Journal of Biotechnology 13, no. 5 (2010): 0. http://dx.doi.org/10.2225/vol13-issue5-fulltext-7.

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28

Khan, Shams Tabrez. "Consortia-based microbial inoculants for sustaining agricultural activities." Applied Soil Ecology 176 (August 2022): 104503. http://dx.doi.org/10.1016/j.apsoil.2022.104503.

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29

Osuna, Joel, Humberto Flores, and Xavier Soberón. "Microbial Systems and Directed Evolution of Protein Activities." Critical Reviews in Microbiology 20, no. 2 (1994): 107–16. http://dx.doi.org/10.3109/10408419409113550.

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30

Murali, Megha, Arun S. Nair, and Neethu S. Kumar. "IN VITRO ANTI-MICROBIAL ACTIVITIES OF WHEAT GRASS." Journal of Pharmaceutical & Scientific Innovation 5, no. 6 (2017): 201–4. http://dx.doi.org/10.7897/2277-4572.05641.

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31

Tazisong, Irenus A., Zachary N. Senwo, and Miranda I. Williams. "Mercury speciation and effects on soil microbial activities." Journal of Environmental Science and Health, Part A 47, no. 6 (2012): 854–62. http://dx.doi.org/10.1080/10934529.2012.665000.

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32

Okoronkwo, N. E., and J. O. Echeme. "Cholinesterase and microbial inhibitory activities of Tetrapleura tetraptera." Journal of Applied and Natural Science 4, no. 2 (2012): 156–63. http://dx.doi.org/10.31018/jans.v4i2.240.

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The cholinesterase and microbial inhibitory activities of different parts of Tetrapleura tetraptera plant were evaluated due to their local applications. The cholinesterase results revealed that the extracts showed some levels of inhibitory effects depending on the solvents used. Tetrapleura tetraptera leaves had better inhibitory effects with maximum inhibitory activity of 70.0% at a concentration of 1.00mg/l for the water extract. Tetrapleura tetraptera bark showed highest inhibitory effect of 71.05% and (84.34%) for the ethanol and chloroform extracts at concentrations of 0.5mg/l and 1.0 mg
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33

Tiquia, Sonia M., H. C. Wan, and Nora F. Y. Tam. "Microbial Population Dynamics and Enzyme Activities During Composting." Compost Science & Utilization 10, no. 2 (2002): 150–61. http://dx.doi.org/10.1080/1065657x.2002.10702075.

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34

D'Hondt, S. "Distributions of Microbial Activities in Deep Subseafloor Sediments." Science 306, no. 5705 (2004): 2216–21. http://dx.doi.org/10.1126/science.1101155.

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35

Braissant, Olivier, Dieter Wirz, Beat Göpfert, and Alma U. Daniels. "Use of isothermal microcalorimetry to monitor microbial activities." FEMS Microbiology Letters 303, no. 1 (2010): 1–8. http://dx.doi.org/10.1111/j.1574-6968.2009.01819.x.

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36

OTOGURO, KAZUHIKO, HIDEAKI UI, AKI ISHIYAMA, et al. "In Vitro Antimalarial Activities of the Microbial Metabolites." Journal of Antibiotics 56, no. 3 (2003): 322–24. http://dx.doi.org/10.7164/antibiotics.56.322.

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37

Lee, Jin-Young, Ho-Jung Bae, Tae-Soon Park, et al. "Anti-oxidant and Anti-microbial Activities of Seungmakalgeuntang." Journal of Applied Biological Chemistry 53, no. 1 (2010): 13–20. http://dx.doi.org/10.3839/jabc.2010.003.

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38

Hattori, Hiroyuki. "Microbial activities in soil amended with sewage sludges." Soil Science and Plant Nutrition 34, no. 2 (1988): 221–32. http://dx.doi.org/10.1080/00380768.1988.10415676.

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39

Hattori, Hiroyuki. "Influence of heavy metals on soil microbial activities." Soil Science and Plant Nutrition 38, no. 1 (1992): 93–100. http://dx.doi.org/10.1080/00380768.1992.10416956.

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40

Boetius, A. "Microbial hydrolytic enzyme activities in deep-sea sediments." Helgoländer Meeresuntersuchungen 49, no. 1-4 (1995): 177–87. http://dx.doi.org/10.1007/bf02368348.

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41

Chen, Gang, Honglong Zhu, and Yong Zhang. "Soil microbial activities and carbon and nitrogen fixation." Research in Microbiology 154, no. 6 (2003): 393–98. http://dx.doi.org/10.1016/s0923-2508(03)00082-2.

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42

McGlennen, Matthew, Michael Neubauer, Matthew Driesler, Markus Dieser, Christine M. Foreman, and Stephan Warnat. "Microsensors in Icy Environments to Detect Microbial Activities." Journal of Microelectromechanical Systems 29, no. 5 (2020): 853–59. http://dx.doi.org/10.1109/jmems.2020.3012420.

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43

Münster, U. "Microbial extracellular enzyme activities in Humex Lake Skjervatjern." Environment International 18, no. 6 (1992): 637–47. http://dx.doi.org/10.1016/0160-4120(92)90031-x.

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44

Mühlbachová, G. "Potential of the soil microbial biomass C to tolerate and degrade persistent organic pollutants." Soil and Water Research 3, No. 1 (2008): 12–20. http://dx.doi.org/10.17221/2096-swr.

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A 12-day incubation experiment with the addition of glucose to soils contaminated with persistent organic pollutants (POPs) was carried out in order to estimate the potential microbial activities and the potential of the soil microbial biomass C to degrade 1,1,1-trichloro-2,2-bis(p-chlorophenyl) ethane (DDT), polychlorinated biphenyls (PCB) and polycyclic aromatic hydrocarbons (PAHs). The microbial activities were affected in different ways depending on the type of pollutant. The soil organic matter also played an important role. The microbial activities were affected particularly by high conc
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45

Chen, Z. H., L. J. Chen, Y. L. Zhang, and Z. J. Wu. "Microbial properties, enzyme activities and the persistence of exogenous proteins in soil under consecutive cultivation of transgenic cottons (Gossypium hirsutum L.)." Plant, Soil and Environment 57, No. 2 (2011): 67–74. http://dx.doi.org/10.17221/237/2010-pse.

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One Bacillus thuringiensis (Bt) and two stacked Bt and cowpea trypsin inhibitor (Bt + CpTI) cottons and their non-transgenic isolines were consecutively cultivated to investigate the soil persistence of Cry1Ac and CpTI proteins and their effects on microbial properties and enzyme activities involving C, N, P, and S cycling in soil. Results showed that there were the persistence of Cry1Ac and CpTI proteins in soil under 4-year consecutive cultivation of transgenic cottons. Cry1Ac proteins varied from 6.75 ng/g to 12.01 ng/g and CpTI proteins varied from 30.65 to 43.60 ng/g. However, neither of
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46

Dawson, K. A., K. E. Newman, and J. A. Boling. "Effects of microbial supplements containing yeast and lactobacilli on roughage-fed ruminal microbial activities." Journal of Animal Science 68, no. 10 (1990): 3392. http://dx.doi.org/10.2527/1990.68103392x.

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47

Cadena, Santiago, José Q. García-Maldonado, Nguyen E. López-Lozano, and Francisco J. Cervantes. "Methanogenic and Sulfate-Reducing Activities in a Hypersaline Microbial Mat and Associated Microbial Diversity." Microbial Ecology 75, no. 4 (2017): 930–40. http://dx.doi.org/10.1007/s00248-017-1104-x.

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48

Dhull, Suresh, Sneh Goyal, Krishan Kapoor, and Mool Mundra. "Microbial biomass carbon and microbial activities of soils receiving chemical fertilizers and organic amendments." Archives of Agronomy and Soil Science 50, no. 6 (2004): 641–47. http://dx.doi.org/10.1080/08927010400011294.

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49

Craig, Matthew E., and Jennifer M. Fraterrigo. "Plant–microbial competition for nitrogen increases microbial activities and carbon loss in invaded soils." Oecologia 184, no. 3 (2017): 583–96. http://dx.doi.org/10.1007/s00442-017-3861-0.

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50

Liu, Yanmei, Hangyu Yang, Zisheng Xing, Yali Zou, and Zheming Cui. "Vegetation Degradation of Guanshan Grassland Suppresses the Microbial Biomass and Activity of Soil." Land 10, no. 2 (2021): 203. http://dx.doi.org/10.3390/land10020203.

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Changes in vegetation influence the function of grassland ecosystems. A degradation of the vegetation type has been found from high to low altitudes in Guanshan grassland in the order of forest grassland (FG) &lt; shrub grassland (SG) &lt; herb grassland (HG). However, there is poor information regarding the effect of vegetation degradation on soil microbes in Guanshan grassland. Therefore, our study evaluated the impact of vegetation degradation on the microbial parameters of soil, as well as the mechanisms responsible for these variations. Soils were sampled from 0 to 30 cm under the FG, SG,
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