Environmental

Signaling pathways to the nucleus

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Researchers have discovered how the plant hormone auxin is transported within the cell and how this signaling pathway helps to control gene expression in the nucleus. Auxin regulates many processes in plants: from embryonic development, to the development of organs, all the way to responses to changes in the environment.

SourceUniversity of Freiburg

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Bioactive protein from ancient medicinal plant may help combat melanoma and other cancers

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A protein extracted from the seeds of a legume tree that is native to parts of Asia has been found to inhibit cancer cell growth and also to discourage the spread of melanoma to other parts of the body in animal models. This tree has been used for centuries in traditional medicines.

First report of Enterobacter Cloacae causing Stem Rot on Tobacco in China

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The first report Submitted about E. cloacae causing STEM rot on tobacco in China & must be considered in existing disease management practices. The pathogen was identified as Enterobacter cloacae on the basis of morphology, sequence of 16S region of rDNA.

Source: https://www.scitechnol.com/peer-review/first-report-of-enterobacter-cloacae-causing-stem-rot-on-tobacco-in-china-EfQT.php?article_id=7048

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Mapping software tracks threats to endangered species

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Modelling software and satellite imagery can be used to rapidly predict the movements of endangered species in remote or inaccessible regions, a study shows. Scientists used the images and software to assess habitat loss restricting the mobility of Peru’s endangered San Martin titi monkey and identify the 10 percent of remaining forests best suited for the conservation of essential movement corridors. Comprehensive on-the-ground assessments would have taken longer and been cost-prohibitive.

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Spatial and Spatio–Temporal Geostatistical Modeling and Kriging

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A comprehensive treatment of spatial and spatio–temporal geostatistics in a unified and integrated way, Motivated by the high demand for statistical analysis of data that take spatial and spatio–temporal information into account, this book incorporates ideas from the areas of time series, spatial statistics and stochastic processes, and combines them to provide the necessary material needed to deal with spatial and spatio–temporal problems.

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Relation of Forest Structure and Soil Properties in Natural, Rehabilitated and Degraded Forest

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Plant community structure, species diversity and soil properties of natural, rehabilitated and degraded forests were studied in order to assess relationship of different forests structure and soil properties in upper Indo-Gangetic plain of Uttar Pradesh state of India. The composition of species, population bundance and importance value of the woody species were investigated in each forest; the representative soil samples from 30 cm depth of each forest were also analyzed for the soil properties. Dominant families at the natural forest are Moraceae (21.9%) and Rubiaceae (15.6%) while at the rehabilitated forest are Moraceae (53.8%) and Fabaceae (23%). In the degraded forest, the Moraceae and Fabaceae are dominant families occupy 33% each.

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Enhancing Biodiversity by Restoring Wetland Vegetation Communities in Irrigation Ponds

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The survival and establishment rates of five different densities and compositions of Scirpus atrovirens, Carex lacustris and Sagittaria latifolia were tested in a pilot study at two irrigation ponds in the Niagara Region, Ontario, Canada. Robust emergent wetland species were monitored to determine community assembly principles for water quality and biodiversity improvement in irrigation ponds. Growth trait and survival measurements were taken every two weeks in the growing season of 2011. A vegetation inventory occurred four times throughout the growing season. Using multivariate repeated measures analysis of variance (MANOVAR) we found that S. latifolia is capable of interspecific competition when planted in mixed plot plantings in semi-naturalized ponds. We found that S. atrovirens was more competitive in monoculture plantings in a pond community comprised of agricultural weed species. It is more difficult to establish C. lacustris making it a less suitable choice for restoration plantings in irrigation ponds.

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