Relevant bibliographies by topics / Edaphic activities

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'Edaphic activities'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Edaphic activities"

1

Meades, W. J., and B. A. Roberts. "A review of forest site classification activities in Newfoundland and Labrador." Forestry Chronicle 68, no. 1 (1992): 25–33. http://dx.doi.org/10.5558/tfc68025-1.

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This paper provides a review of past and present forest site classification activities in Newfoundland and Labrador over the last thirty years. Initially, research concentrated on the development of a classification system using floristic and edaphic criteria to define forest types. This was followed by a period in which the relationships between forest types and stand productivity were assessed. Subsequently, pilot projects were undertaken in which the forest site classification was incorporated into the biophysical land classification approach and applied to forest capability mapping. In rec
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Kumar, Sanath, Niall Hanan, Lara Prihodko, et al. "Alternative Vegetation States in Tropical Forests and Savannas: The Search for Consistent Signals in Diverse Remote Sensing Data." Remote Sensing 11, no. 7 (2019): 815. http://dx.doi.org/10.3390/rs11070815.

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Globally, the spatial distribution of vegetation is governed primarily by climatological factors (rainfall and temperature, seasonality, and inter-annual variability). The local distribution of vegetation, however, depends on local edaphic conditions (soils and topography) and disturbances (fire, herbivory, and anthropogenic activities). Abrupt spatial or temporal changes in vegetation distribution can occur if there are positive (i.e., amplifying) feedbacks favoring certain vegetation states under otherwise similar climatic and edaphic conditions. Previous studies in the tropical savannas of
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Brais, Suzanne, and Claude Camiré. "Keys for soil moisture regime evaluation for northwestern Quebec." Canadian Journal of Forest Research 22, no. 5 (1992): 718–24. http://dx.doi.org/10.1139/x92-096.

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Soil moisture regime is an important component of forest land classification at the local level, and in Quebec, it is a criterion for many decisions concerning forestry activities. To facilitate consistent evaluation of soil moisture regime, dichotomous keys were developed for the Abitibi–Temiscamingue region of northwestern Quebec using topographic and edaphic variables and a nonparametric discriminant classification procedure. Probability of correctly classifying a new observation ranges between 63 and 71%, whereas 98–99% of the observations are classified in their moisture class of origin o
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Gananca, J. F. T., I. Abreu, N. F. Sousa, et al. "Soil conditions and evolution of aluminium resistance among cultivated and wild plant species on the Island of Madeira." Plant, Soil and Environment 53, No. 6 (2008): 239–46. http://dx.doi.org/10.17221/2218-pse.

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Soil samples collected from different soil formations throughout the Island of Madeira were analysed for pH, aluminium (Al) and organic matter content. On average, the Madeira soils appeared to be acid with a mean pH of 5.01, containing 0.79 cmol/kg of ionic Al and 3.02% organic matter, which may create favourable conditions for the development of Al resistance among plant species inhabiting the island. Six plant species were evaluated for their resistance to Al using the erichrome cyanine R tests: three agricultural species including wheat (<i>Triticum aestivum</i> L. and <i&gt
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Ali, Hashim Mohamed, Joseph Mwanzia Nguta, Isaac Ole Mapenay, Fredrick Mutie Musila, Vincent Mokoro Omambia, and Dorine Nyak Matara. "Ethnopharmacological uses, biological activities, chemistry and toxicological aspects of Ocimum americanum var. americanum (Lamiaceae)." Journal of Phytopharmacology 10, no. 1 (2021): 56–60. http://dx.doi.org/10.31254/phyto.2021.10111.

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The rationale for the use of Ocimum americanum var. americanum in herbal medicine is largely based on the longstanding experience of traditional medicine practitioners. The genus Ocimum is extensively used in Eastern Africa in folkloric practice against a wide range of illnesses. The present paper intends to bring a comprehensive overview of O. americanum var. americanum in regard to its biological activities, ethnopharmacological uses, phytochemical and toxicological effects. The literature search was conducted using Google, Google Scholar, Chemical abstracts, Sciverse; JSTOR, Medline, PubMed
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Bautista-Cruz, Angélica, and Yolanda Donají Ortíz-Hernández. "Hydrolytic soil enzymes and their response to fertilization: a short review." Comunicata Scientiae 6, no. 3 (2015): 255. http://dx.doi.org/10.14295/cs.v6i3.962.

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Enzymes are proteins that catalyze chemical reactions in living systems, transforming specific substrates into the products needed in biological cycles and for many edaphic processes. Soil enzymatic activities have been proposed as soil quality indicators, due to their relation with soil biology. Although the long-term effects of organic and mineral fertilization on physical and chemical soil properties have been previously studied, little is known about their effects on microbial community structure, microbial biomass carbon, microbial activity and enzymatic activity. Some studies report that
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Sun, Jinhua, Liu Yang, Jie Wei, Jine Quan, and Xitian Yang. "The responses of soil bacterial communities and enzyme activities to the edaphic properties of coal mining areas in Central China." PLOS ONE 15, no. 4 (2020): e0231198. http://dx.doi.org/10.1371/journal.pone.0231198.

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Liu, Wei, Guangming Nan, Muhammad Farrukh Nisar, and Chunpeng Wan. "Chemical Constituents and Health Benefits of Four Chinese Plum Species." Journal of Food Quality 2020 (July 22, 2020): 1–17. http://dx.doi.org/10.1155/2020/8842506.

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Prunus is a large genus in the Rosaceae family of flowering plants, comprising over 340 species inhabiting variable landscapes in the world. Over 500 listed phytochemicals have been isolated from this single genus so far. The present study focused four Chinese Prunus species, viz., Prunus cerasifera, Prunus domestica, Prunus salicina, and Prunus spinosa, due to their uses, demand, nutritional value, medicinal importance, and diverse biological potential. The current review article highlights the details about the active phytochemicals and various pharmacological activities already reported. Al
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9

MENESES, MARIA ECILENE N. S., MARCONDES L. COSTA, DIRK ENTERS, and HERMANN BEHLING. "Environmental changes during the last millennium based on multi-proxy palaeoecological records in a savanna-forest mosaic from the northernmost Brazilian Amazon region." Anais da Academia Brasileira de Ciências 87, no. 3 (2015): 1623–51. http://dx.doi.org/10.1590/0001-3765201520130074.

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ABSTRACTThe environmental changes and the dynamics of the savanna-forest mosaic, over the last 1050 years, have been reconstructed by pollen, charcoal, radiocarbon dating mineralogical and geochemical analyses of sediment cores taken from three different Mauritia flexuosapalm swamps in the northernmost part of the Brazilian Amazon region (northern state of Roraima). Studies on the relationship between the modern pollen rain and the regional vegetation provide additional information for the interpretation of the fossil pollen records. The fossil pollen assemblages and geochemical results indica
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King, Andrew J., Debendra Karki, Laszlo Nagy, Adina Racoviteanu, and Steve K. Schmidt. "Microbial biomass and activity in high elevation (>5100 meters) soils from the Annapurna and Sagarmatha regions of the Nepalese Himalayas." Himalayan Journal of Sciences 6, no. 8 (2011): 11–18. http://dx.doi.org/10.3126/hjs.v6i8.2303.

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High elevation subnival-zone soils are increasing in spatial extent in the Himalayas due to glacial retreat and grazing pressures. These seemingly barren soils actually harbor significant microbial diversity but have remained mostly unstudied in all of the major mountain ranges of the Earth. Here we describe a preliminary survey of subnival-zone soils and one vegetated high-elevation soil in the Annapurna and Sagarmatha regions of the Nepalese Himalayas. We examined microbial biomass and activity as well as key microclimatic and edaphic variables that may control microbial activity in these so
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Dissertations / Theses on the topic "Edaphic activities"

1

FIGUEIREDO, Evânia Claudino Queiroga de. "Dinâmica da serrapilheira e atividades edáficas em áreas degradadas no Seridó Paraibano." Universidade Federal de Campina Grande, 2011. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/2027.

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Submitted by Emanuel Varela Cardoso (emanuel.varela@ufcg.edu.br) on 2018-10-19T16:05:20Z No. of bitstreams: 1 EVÂNIA CLAUDINO QUEIROGA DE FIGUEIREDO - TESE (PPGRN) 2011.pdf: 9179826 bytes, checksum: d4b7a11f6f6f04467ea58d4e7084c301 (MD5)<br>Made available in DSpace on 2018-10-19T16:05:20Z (GMT). No. of bitstreams: 1 EVÂNIA CLAUDINO QUEIROGA DE FIGUEIREDO - TESE (PPGRN) 2011.pdf: 9179826 bytes, checksum: d4b7a11f6f6f04467ea58d4e7084c301 (MD5) Previous issue date: 2011-08-26<br>A Osteoartrite apresenta um amplo espectro, envolvendo comumente articulações periféricas como joelhos, mãos e quadri
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SILVEIRA, Thyago de Almeida. "Dinâmica da serrapilheira e atividades edáficas em áreas degradadas no Seridó Paraibano." Universidade Federal de Campina Grande, 2017. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/1966.

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Submitted by Emanuel Varela Cardoso (emanuel.varela@ufcg.edu.br) on 2018-10-15T21:11:01Z No. of bitstreams: 1 THYAGO DE ALMEIDA SILVEIRA - TESE (PPGRN) 2017.pdf: 7826699 bytes, checksum: 411f7475b113a4b1f39d4c7ddf148553 (MD5)<br>Made available in DSpace on 2018-10-15T21:11:01Z (GMT). No. of bitstreams: 1 THYAGO DE ALMEIDA SILVEIRA - TESE (PPGRN) 2017.pdf: 7826699 bytes, checksum: 411f7475b113a4b1f39d4c7ddf148553 (MD5) Previous issue date: 2017-08-31<br>No Semiárido Brasileiro (SAB), onde predomina o Bioma Caatinga, o processo de desertificaçao tem-se intensificado devido às ações antrópicas,
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Pache, Gilles. "Les humus forestiers du massif de la Chartreuse : de l'approche macro-écologique à l'approche micro-écologique." Université Joseph Fourier (Grenoble ; 1971-2015), 1998. http://www.theses.fr/1998GRE10122.

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Le type d'humus que l'on peut observer sous foret resulte d'interactions nombreuses et complexes entre les conditions abiotiques (facteurs physiques et chimiques de l'environnement) et les facteurs biotiques (communautes vegetales, animales, fongiques et microbiennes). C'est en milieu montagnard (massif de la chartreuse), ou ces interactions sont mal connues, que nous avons etudies le determinisme et le fonctionnement des differents types d'humus a deux echelles de perception. A petite echelle (approche stationnelle), on observe un lien etroit entre la morphologie des humus et la repartition d
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